binutils-gdb/gdb/inferior.c

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/* Multi-process control for GDB, the GNU debugger.
Copyright (C) 2008, 2009 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
#include "exec.h"
#include "inferior.h"
#include "target.h"
#include "command.h"
#include "gdbcmd.h"
#include "gdbthread.h"
#include "ui-out.h"
#include "observer.h"
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
#include "gdbthread.h"
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
#include "gdbcore.h"
#include "symfile.h"
void _initialize_inferiors (void);
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
static void inferior_alloc_data (struct inferior *inf);
static void inferior_free_data (struct inferior *inf);
struct inferior *inferior_list = NULL;
static int highest_inferior_num;
/* Print notices on inferior events (attach, detach, etc.), set with
`set print inferior-events'. */
static int print_inferior_events = 0;
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
/* The Current Inferior. */
static struct inferior *current_inferior_ = NULL;
struct inferior*
current_inferior (void)
{
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
return current_inferior_;
}
void
set_current_inferior (struct inferior *inf)
{
/* There's always an inferior. */
gdb_assert (inf != NULL);
current_inferior_ = inf;
}
/* A cleanups callback, helper for save_current_program_space
below. */
static void
restore_inferior (void *arg)
{
struct inferior *saved_inferior = arg;
set_current_inferior (saved_inferior);
}
/* Save the current program space so that it may be restored by a later
call to do_cleanups. Returns the struct cleanup pointer needed for
later doing the cleanup. */
struct cleanup *
save_current_inferior (void)
{
struct cleanup *old_chain = make_cleanup (restore_inferior,
current_inferior_);
return old_chain;
}
static void
free_inferior (struct inferior *inf)
{
discard_all_inferior_continuations (inf);
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
inferior_free_data (inf);
xfree (inf->private);
xfree (inf);
}
void
init_inferior_list (void)
{
struct inferior *inf, *infnext;
highest_inferior_num = 0;
if (!inferior_list)
return;
for (inf = inferior_list; inf; inf = infnext)
{
infnext = inf->next;
free_inferior (inf);
}
inferior_list = NULL;
}
struct inferior *
add_inferior_silent (int pid)
{
struct inferior *inf;
inf = xmalloc (sizeof (*inf));
memset (inf, 0, sizeof (*inf));
inf->pid = pid;
inf->stop_soon = NO_STOP_QUIETLY;
inf->num = ++highest_inferior_num;
inf->next = inferior_list;
inferior_list = inf;
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
inferior_alloc_data (inf);
if (pid != 0)
inferior_appeared (inf, pid);
return inf;
}
struct inferior *
add_inferior (int pid)
{
struct inferior *inf = add_inferior_silent (pid);
if (print_inferior_events)
printf_unfiltered (_("[New inferior %d]\n"), pid);
return inf;
}
struct delete_thread_of_inferior_arg
{
int pid;
int silent;
};
static int
delete_thread_of_inferior (struct thread_info *tp, void *data)
{
struct delete_thread_of_inferior_arg *arg = data;
if (ptid_get_pid (tp->ptid) == arg->pid)
{
if (arg->silent)
delete_thread_silent (tp->ptid);
else
delete_thread (tp->ptid);
}
return 0;
}
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
void
delete_threads_of_inferior (int pid)
{
struct inferior *inf;
struct delete_thread_of_inferior_arg arg;
for (inf = inferior_list; inf; inf = inf->next)
if (inf->pid == pid)
break;
if (!inf)
return;
arg.pid = pid;
arg.silent = 1;
iterate_over_threads (delete_thread_of_inferior, &arg);
}
/* If SILENT then be quiet -- don't announce a inferior death, or the
exit of its threads. */
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
static void
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
delete_inferior_1 (struct inferior *todel, int silent)
{
struct inferior *inf, *infprev;
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
struct delete_thread_of_inferior_arg arg;
infprev = NULL;
for (inf = inferior_list; inf; infprev = inf, inf = inf->next)
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
if (inf == todel)
break;
if (!inf)
return;
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
arg.pid = inf->pid;
arg.silent = silent;
iterate_over_threads (delete_thread_of_inferior, &arg);
* inflow.h (our_process_group): Remove declaration. (inferior_process_group): Delete global variable declaration. (inferior_process_group): New function declaration. * inflow.c: Include observer.h. (inferior_ttystate, our_ttystate, tflags_inferior, tflags_ours): Delete. (struct terminal_info): New struct. (our_terminal_info): New global. (inferior_process_group): New function. (inferior_thisrun_terminal): Extend description comment. (gdb_has_a_terminal): Adjust to write to our_terminal_info fields instead of globals. (terminal_init_inferior_with_pgrp): Adjust to per-inferior terminal settings. (terminal_inferior): Ditto. (terminal_ours_1): Ditto. (inflow_new_inferior, inflow_inferior_exit): New functions. (child_terminal_info): Adjust to per-inferior terminal settings. (osig_set): New global. (set_sigint_trap): Adjust to per-inferior terminal settings. Set or clear `osig_set' accordingly. (clear_sigint_trap): Check `osig_set' to decide wheater to restore SIGINT handler, instead of checking the current inferior (which may be none). (_initialize_inflow): Attach inflow_new_inferior and inflow_inferior_exit to the "new_inferior" and "inferior_exit" notifications, respectively. * inferior.h (struct terminal_info): Forward declare. (struct inferior): Add `terminal_info' field. * inferior.c (delete_inferior_1): Notify the inferior_exit observers before removing the inferior from the lists and deleting it. * inf-ptrace.c (inf_ptrace_stop): `inferior_process_group' is now a function instead of a variable. Adjust. * procfs.c (procfs_stop): Ditto.
2009-05-18 02:58:38 +02:00
if (infprev)
infprev->next = inf->next;
else
inferior_list = inf->next;
free_inferior (inf);
}
void
delete_inferior (int pid)
{
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
struct inferior *inf = find_inferior_pid (pid);
delete_inferior_1 (inf, 0);
if (print_inferior_events)
printf_unfiltered (_("[Inferior %d exited]\n"), pid);
}
void
delete_inferior_silent (int pid)
{
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
struct inferior *inf = find_inferior_pid (pid);
delete_inferior_1 (inf, 1);
}
/* If SILENT then be quiet -- don't announce a inferior exit, or the
exit of its threads. */
static void
exit_inferior_1 (struct inferior *inftoex, int silent)
{
struct inferior *inf;
struct delete_thread_of_inferior_arg arg;
for (inf = inferior_list; inf; inf = inf->next)
if (inf == inftoex)
break;
if (!inf)
return;
arg.pid = inf->pid;
arg.silent = silent;
iterate_over_threads (delete_thread_of_inferior, &arg);
/* Notify the observers before removing the inferior from the list,
so that the observers have a chance to look it up. */
observer_notify_inferior_exit (inf->pid);
inf->pid = 0;
if (inf->vfork_parent != NULL)
{
inf->vfork_parent->vfork_child = NULL;
inf->vfork_parent = NULL;
}
}
void
exit_inferior (int pid)
{
struct inferior *inf = find_inferior_pid (pid);
exit_inferior_1 (inf, 0);
if (print_inferior_events)
printf_unfiltered (_("[Inferior %d exited]\n"), pid);
}
void
exit_inferior_silent (int pid)
{
struct inferior *inf = find_inferior_pid (pid);
exit_inferior_1 (inf, 1);
}
void
exit_inferior_num_silent (int num)
{
struct inferior *inf = find_inferior_id (num);
exit_inferior_1 (inf, 1);
}
void
detach_inferior (int pid)
{
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
struct inferior *inf = find_inferior_pid (pid);
exit_inferior_1 (inf, 1);
if (print_inferior_events)
printf_unfiltered (_("[Inferior %d detached]\n"), pid);
}
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
void
inferior_appeared (struct inferior *inf, int pid)
{
inf->pid = pid;
observer_notify_inferior_appeared (pid);
}
Implement remote multi-process extensions. * remote.c (struct remote_state): Add extended and multi_process_aware fields. (remote_multi_process_p): New. (PACKET_vKill): New. (record_currthread): Use thread_change_ptid. Notice new inferiors. (set_thread, remote_thread_alive): Use write_ptid. (write_ptid, read_ptid): New. (remote_current_thread, remote_threads_extra_info): Use them. (remote_threads_info): Likewise. Detect new inferiors. (remote_start_remote): Add inferior to inferior list. (remote_multi_process_feature): New. (remote_protocol_features): Add "multiprocess" feature. (remote_query_supported): Pass "multiprocess+" as supported features. (remote_open_1): Clear multi_process_aware. Set extended accordingly. (remote_detach_1): Detach current process. Use extended packet format for extended-remote multi-process. Detach process from the inferior list. Only mourn after printing output. (extended_remote_attach_1): Add process to the inferior list. (remote_vcont_resume): Use write_ptid to pass the thread ids. (remote_wait): Use read_ptid. Implement the extended multi-process extension format of the 'W' and 'X' reply packets. Remove exited inferiors from inferior list. (remote_xfer_memory): Set general thread. (remote_vkill): New. (extended_remote_kill): New. (remote_mourn_1): Discard all inferiors. (select_new_thread_callback): New. (extended_remote_mourn_1): If there are more processes to debug, switch to a thread in another process, and don't pop the target. (extended_remote_create_inferior_1): Add the new process to the inferior list. (remote_stopped_by_watchpoint): Indenting. (remote_xfer_partial): Set the general thread. (remote_pid_to_str): If the remote is multi-process aware, print the process id as well as the thread id. (remote_get_thread_local_address): Use write_ptid. (init_extended_remote_ops): Register extended_remote_kill. (_initialize_remote): Register new packets. Change magic_null_ptid's, not_sent_ptid's and any_thread_ptid's pid member to 42000. * thread.c (thread_change_ptid): Also account for the inferior pid changing. * inferior.h (discard_all_inferiors): Declare. * inferior.c (discard_all_inferiors): New.
2008-09-22 17:18:30 +02:00
void
discard_all_inferiors (void)
{
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
struct inferior *inf;
Implement remote multi-process extensions. * remote.c (struct remote_state): Add extended and multi_process_aware fields. (remote_multi_process_p): New. (PACKET_vKill): New. (record_currthread): Use thread_change_ptid. Notice new inferiors. (set_thread, remote_thread_alive): Use write_ptid. (write_ptid, read_ptid): New. (remote_current_thread, remote_threads_extra_info): Use them. (remote_threads_info): Likewise. Detect new inferiors. (remote_start_remote): Add inferior to inferior list. (remote_multi_process_feature): New. (remote_protocol_features): Add "multiprocess" feature. (remote_query_supported): Pass "multiprocess+" as supported features. (remote_open_1): Clear multi_process_aware. Set extended accordingly. (remote_detach_1): Detach current process. Use extended packet format for extended-remote multi-process. Detach process from the inferior list. Only mourn after printing output. (extended_remote_attach_1): Add process to the inferior list. (remote_vcont_resume): Use write_ptid to pass the thread ids. (remote_wait): Use read_ptid. Implement the extended multi-process extension format of the 'W' and 'X' reply packets. Remove exited inferiors from inferior list. (remote_xfer_memory): Set general thread. (remote_vkill): New. (extended_remote_kill): New. (remote_mourn_1): Discard all inferiors. (select_new_thread_callback): New. (extended_remote_mourn_1): If there are more processes to debug, switch to a thread in another process, and don't pop the target. (extended_remote_create_inferior_1): Add the new process to the inferior list. (remote_stopped_by_watchpoint): Indenting. (remote_xfer_partial): Set the general thread. (remote_pid_to_str): If the remote is multi-process aware, print the process id as well as the thread id. (remote_get_thread_local_address): Use write_ptid. (init_extended_remote_ops): Register extended_remote_kill. (_initialize_remote): Register new packets. Change magic_null_ptid's, not_sent_ptid's and any_thread_ptid's pid member to 42000. * thread.c (thread_change_ptid): Also account for the inferior pid changing. * inferior.h (discard_all_inferiors): Declare. * inferior.c (discard_all_inferiors): New.
2008-09-22 17:18:30 +02:00
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
for (inf = inferior_list; inf; inf = inf->next)
Implement remote multi-process extensions. * remote.c (struct remote_state): Add extended and multi_process_aware fields. (remote_multi_process_p): New. (PACKET_vKill): New. (record_currthread): Use thread_change_ptid. Notice new inferiors. (set_thread, remote_thread_alive): Use write_ptid. (write_ptid, read_ptid): New. (remote_current_thread, remote_threads_extra_info): Use them. (remote_threads_info): Likewise. Detect new inferiors. (remote_start_remote): Add inferior to inferior list. (remote_multi_process_feature): New. (remote_protocol_features): Add "multiprocess" feature. (remote_query_supported): Pass "multiprocess+" as supported features. (remote_open_1): Clear multi_process_aware. Set extended accordingly. (remote_detach_1): Detach current process. Use extended packet format for extended-remote multi-process. Detach process from the inferior list. Only mourn after printing output. (extended_remote_attach_1): Add process to the inferior list. (remote_vcont_resume): Use write_ptid to pass the thread ids. (remote_wait): Use read_ptid. Implement the extended multi-process extension format of the 'W' and 'X' reply packets. Remove exited inferiors from inferior list. (remote_xfer_memory): Set general thread. (remote_vkill): New. (extended_remote_kill): New. (remote_mourn_1): Discard all inferiors. (select_new_thread_callback): New. (extended_remote_mourn_1): If there are more processes to debug, switch to a thread in another process, and don't pop the target. (extended_remote_create_inferior_1): Add the new process to the inferior list. (remote_stopped_by_watchpoint): Indenting. (remote_xfer_partial): Set the general thread. (remote_pid_to_str): If the remote is multi-process aware, print the process id as well as the thread id. (remote_get_thread_local_address): Use write_ptid. (init_extended_remote_ops): Register extended_remote_kill. (_initialize_remote): Register new packets. Change magic_null_ptid's, not_sent_ptid's and any_thread_ptid's pid member to 42000. * thread.c (thread_change_ptid): Also account for the inferior pid changing. * inferior.h (discard_all_inferiors): Declare. * inferior.c (discard_all_inferiors): New.
2008-09-22 17:18:30 +02:00
{
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
if (inf->pid != 0)
exit_inferior_silent (inf->pid);
Implement remote multi-process extensions. * remote.c (struct remote_state): Add extended and multi_process_aware fields. (remote_multi_process_p): New. (PACKET_vKill): New. (record_currthread): Use thread_change_ptid. Notice new inferiors. (set_thread, remote_thread_alive): Use write_ptid. (write_ptid, read_ptid): New. (remote_current_thread, remote_threads_extra_info): Use them. (remote_threads_info): Likewise. Detect new inferiors. (remote_start_remote): Add inferior to inferior list. (remote_multi_process_feature): New. (remote_protocol_features): Add "multiprocess" feature. (remote_query_supported): Pass "multiprocess+" as supported features. (remote_open_1): Clear multi_process_aware. Set extended accordingly. (remote_detach_1): Detach current process. Use extended packet format for extended-remote multi-process. Detach process from the inferior list. Only mourn after printing output. (extended_remote_attach_1): Add process to the inferior list. (remote_vcont_resume): Use write_ptid to pass the thread ids. (remote_wait): Use read_ptid. Implement the extended multi-process extension format of the 'W' and 'X' reply packets. Remove exited inferiors from inferior list. (remote_xfer_memory): Set general thread. (remote_vkill): New. (extended_remote_kill): New. (remote_mourn_1): Discard all inferiors. (select_new_thread_callback): New. (extended_remote_mourn_1): If there are more processes to debug, switch to a thread in another process, and don't pop the target. (extended_remote_create_inferior_1): Add the new process to the inferior list. (remote_stopped_by_watchpoint): Indenting. (remote_xfer_partial): Set the general thread. (remote_pid_to_str): If the remote is multi-process aware, print the process id as well as the thread id. (remote_get_thread_local_address): Use write_ptid. (init_extended_remote_ops): Register extended_remote_kill. (_initialize_remote): Register new packets. Change magic_null_ptid's, not_sent_ptid's and any_thread_ptid's pid member to 42000. * thread.c (thread_change_ptid): Also account for the inferior pid changing. * inferior.h (discard_all_inferiors): Declare. * inferior.c (discard_all_inferiors): New.
2008-09-22 17:18:30 +02:00
}
}
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
struct inferior *
find_inferior_id (int num)
{
struct inferior *inf;
for (inf = inferior_list; inf; inf = inf->next)
if (inf->num == num)
return inf;
return NULL;
}
struct inferior *
find_inferior_pid (int pid)
{
struct inferior *inf;
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
/* Looking for inferior pid == 0 is always wrong, and indicative of
a bug somewhere else. There may be more than one with pid == 0,
for instance. */
gdb_assert (pid != 0);
for (inf = inferior_list; inf; inf = inf->next)
if (inf->pid == pid)
return inf;
return NULL;
}
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
/* Find an inferior bound to PSPACE. */
struct inferior *
find_inferior_for_program_space (struct program_space *pspace)
{
struct inferior *inf;
for (inf = inferior_list; inf != NULL; inf = inf->next)
{
if (inf->pspace == pspace)
return inf;
}
return NULL;
}
struct inferior *
iterate_over_inferiors (int (*callback) (struct inferior *, void *),
void *data)
{
struct inferior *inf, *infnext;
for (inf = inferior_list; inf; inf = infnext)
{
infnext = inf->next;
if ((*callback) (inf, data))
return inf;
}
return NULL;
}
int
valid_gdb_inferior_id (int num)
{
struct inferior *inf;
for (inf = inferior_list; inf; inf = inf->next)
if (inf->num == num)
return 1;
return 0;
}
int
pid_to_gdb_inferior_id (int pid)
{
struct inferior *inf;
for (inf = inferior_list; inf; inf = inf->next)
if (inf->pid == pid)
return inf->num;
return 0;
}
int
gdb_inferior_id_to_pid (int num)
{
struct inferior *inferior = find_inferior_id (num);
if (inferior)
return inferior->pid;
else
return -1;
}
int
in_inferior_list (int pid)
{
struct inferior *inf;
for (inf = inferior_list; inf; inf = inf->next)
if (inf->pid == pid)
return 1;
return 0;
}
int
have_inferiors (void)
{
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
struct inferior *inf;
for (inf = inferior_list; inf; inf = inf->next)
if (inf->pid != 0)
return 1;
return 0;
}
* target.h (struct target_ops): Make to_has_all_memory, to_has_memory, to_has_stack, to_has_registers and to_has_execution methods instead of variables. (target_has_all_memory_1, target_has_memory_1, target_has_stack_1) (target_has_registers_1, target_has_execution_1): Declare functions. (target_has_all_memory): Rewrite to call target_has_all_memory_1. (target_has_memory): Rewrite to call target_has_memory_1. (target_has_stack): Rewrite to call target_has_all_stack_1. (target_has_registers): Rewrite to call target_has_registers_1. (target_has_execution): Rewrite to call target_has_execution_1. (default_child_has_all_memory, default_child_has_memory) (default_child_has_stack, default_child_has_registers) (default_child_has_execution): Declare. (target_mark_running, target_mark_exited): Delete declarations. * target.c (default_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution): New. (target_has_all_memory_1, target_has_memory_1, target_has_stack_1, target_has_registers_1, target_has_execution_1): New. (add_target): Default the to_has_all_memory, to_has_all_memory, to_has_memory, to_has_stack, to_has_registers and to_has_execution callbacks to return 0. (update_current_target): Do not inherit to_has_all_memory, to_has_memory, to_has_stack, to_has_registers or to_has_execution. (target_mark_running, target_mark_exited): Delete. (memory_xfer_partial): Adjust. (target_read_memory, target_write_memory, target_search_memory): Dispatch to the the top-most target, not the flattened current_target. (target_info): Adjust. (init_dummy_target): Install return_zero as callback for to_has_all_memory, to_has_memory, to_has_stack, to_has_registers, to_has_execution. (set_maintenance_target_async_permitted): Use have_live_inferiors instead of target_has_execution. * target-memory.c (target_write_memory_blocks): Dispatch memory writes to the the top-most target, not the flattened current_target. * breakpoint.c (insert_breakpoints): Don't check for target_has_execution here. (update_global_location_list): Check if there are live inferiors to debug instead of target_has_execution. * infcmd.c (kill_command, detach_command): Check if there are inferiors instead of target_has_execution. * inferior.h (have_live_inferiors): Declare. * inferior.c (have_live_inferiors): New. * infrun.c (normal_stop): Don't check for target_has_execution to finish the thread states. * thread.c (is_thread_state, is_stopped, is_exited, is_running) (any_running, is_executing): Remove checks for target_has_execution. * top.c (kill_or_detach): Don't try to kill core inferiors. (quit_target): Don't check for target_has_execution. * corelow.c (core_has_memory, core_has_stack, core_has_registers): New. (init_core_ops): Install core_has_memory, core_has_stack and core_has_registers. * exec.c (exec_has_memory): New. (init_exec_ops): Install exec_has_memory. * remote.c (remote_add_inferior): Don't call target_mark_running. (remote_start_remote): Don't call target_mark_exited or call target_mark_running. (remote_open_1): Use have_inferiors instead of target_has_execution. Don't use target_mark_exited. (init_remote_ops): Install deafult_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution. * bsd-kvm.c (bsd_kvm_return_one): New. (bsd_kvm_add_target): Register bsd_kvm_return_one as to_has_memory, to_has_stack and to_has_registers callbacks. * remote-m32r-sdi.c (m32r_return_one): New. (init_m32r_ops): Register it. * inf-child.c (inf_child_target): Adjust to register default_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution callbacks. * gnu-nat.c (init_gnu_ops): Likewise. * go32-nat.c (init_go32_ops): Likewise. * hpux-thread.c (init_hpux_thread_ops): Likewise. * monitor.c (init_base_monitor_ops): Likewise. * nto-procfs.c (init_procfs_ops): Likewise. * remote-mips.c (_initialize_remote_mips): Likewise. * windows-nat.c (init_windows_ops): Likewise. * remote-sim.c (gdbsim_create_inferior): Don't use target_mark_running or target_mark_exited. (gdbsim_mourn_inferior): Don't call target_mark_exited. (init_gdbsim_ops): Adjust to register default_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution callbacks. * linux-nat.c (linux_nat_xfer_partial): If reading memory, and there's no inferior selected, defer to a lower stratum.
2009-06-07 18:46:48 +02:00
int
have_live_inferiors (void)
{
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
struct target_ops *t;
* target.h (struct target_ops): Make to_has_all_memory, to_has_memory, to_has_stack, to_has_registers and to_has_execution methods instead of variables. (target_has_all_memory_1, target_has_memory_1, target_has_stack_1) (target_has_registers_1, target_has_execution_1): Declare functions. (target_has_all_memory): Rewrite to call target_has_all_memory_1. (target_has_memory): Rewrite to call target_has_memory_1. (target_has_stack): Rewrite to call target_has_all_stack_1. (target_has_registers): Rewrite to call target_has_registers_1. (target_has_execution): Rewrite to call target_has_execution_1. (default_child_has_all_memory, default_child_has_memory) (default_child_has_stack, default_child_has_registers) (default_child_has_execution): Declare. (target_mark_running, target_mark_exited): Delete declarations. * target.c (default_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution): New. (target_has_all_memory_1, target_has_memory_1, target_has_stack_1, target_has_registers_1, target_has_execution_1): New. (add_target): Default the to_has_all_memory, to_has_all_memory, to_has_memory, to_has_stack, to_has_registers and to_has_execution callbacks to return 0. (update_current_target): Do not inherit to_has_all_memory, to_has_memory, to_has_stack, to_has_registers or to_has_execution. (target_mark_running, target_mark_exited): Delete. (memory_xfer_partial): Adjust. (target_read_memory, target_write_memory, target_search_memory): Dispatch to the the top-most target, not the flattened current_target. (target_info): Adjust. (init_dummy_target): Install return_zero as callback for to_has_all_memory, to_has_memory, to_has_stack, to_has_registers, to_has_execution. (set_maintenance_target_async_permitted): Use have_live_inferiors instead of target_has_execution. * target-memory.c (target_write_memory_blocks): Dispatch memory writes to the the top-most target, not the flattened current_target. * breakpoint.c (insert_breakpoints): Don't check for target_has_execution here. (update_global_location_list): Check if there are live inferiors to debug instead of target_has_execution. * infcmd.c (kill_command, detach_command): Check if there are inferiors instead of target_has_execution. * inferior.h (have_live_inferiors): Declare. * inferior.c (have_live_inferiors): New. * infrun.c (normal_stop): Don't check for target_has_execution to finish the thread states. * thread.c (is_thread_state, is_stopped, is_exited, is_running) (any_running, is_executing): Remove checks for target_has_execution. * top.c (kill_or_detach): Don't try to kill core inferiors. (quit_target): Don't check for target_has_execution. * corelow.c (core_has_memory, core_has_stack, core_has_registers): New. (init_core_ops): Install core_has_memory, core_has_stack and core_has_registers. * exec.c (exec_has_memory): New. (init_exec_ops): Install exec_has_memory. * remote.c (remote_add_inferior): Don't call target_mark_running. (remote_start_remote): Don't call target_mark_exited or call target_mark_running. (remote_open_1): Use have_inferiors instead of target_has_execution. Don't use target_mark_exited. (init_remote_ops): Install deafult_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution. * bsd-kvm.c (bsd_kvm_return_one): New. (bsd_kvm_add_target): Register bsd_kvm_return_one as to_has_memory, to_has_stack and to_has_registers callbacks. * remote-m32r-sdi.c (m32r_return_one): New. (init_m32r_ops): Register it. * inf-child.c (inf_child_target): Adjust to register default_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution callbacks. * gnu-nat.c (init_gnu_ops): Likewise. * go32-nat.c (init_go32_ops): Likewise. * hpux-thread.c (init_hpux_thread_ops): Likewise. * monitor.c (init_base_monitor_ops): Likewise. * nto-procfs.c (init_procfs_ops): Likewise. * remote-mips.c (_initialize_remote_mips): Likewise. * windows-nat.c (init_windows_ops): Likewise. * remote-sim.c (gdbsim_create_inferior): Don't use target_mark_running or target_mark_exited. (gdbsim_mourn_inferior): Don't call target_mark_exited. (init_gdbsim_ops): Adjust to register default_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution callbacks. * linux-nat.c (linux_nat_xfer_partial): If reading memory, and there's no inferior selected, defer to a lower stratum.
2009-06-07 18:46:48 +02:00
/* The check on stratum suffices, as GDB doesn't currently support
multiple target interfaces. */
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
if (have_inferiors ())
for (t = current_target.beneath; t != NULL; t = t->beneath)
if (t->to_stratum == process_stratum)
return 1;
return 0;
}
/* Prune away automatically added program spaces that aren't required
anymore. */
void
prune_inferiors (void)
{
struct inferior *ss, **ss_link;
struct inferior *current = current_inferior ();
ss = inferior_list;
ss_link = &inferior_list;
while (ss)
{
if (ss == current
|| !ss->removable
|| ss->pid != 0)
{
ss_link = &ss->next;
ss = *ss_link;
continue;
}
*ss_link = ss->next;
delete_inferior_1 (ss, 1);
ss = *ss_link;
}
prune_program_spaces ();
}
/* Simply returns the count of inferiors. */
int
number_of_inferiors (void)
{
struct inferior *inf;
int count = 0;
for (inf = inferior_list; inf != NULL; inf = inf->next)
count++;
return count;
* target.h (struct target_ops): Make to_has_all_memory, to_has_memory, to_has_stack, to_has_registers and to_has_execution methods instead of variables. (target_has_all_memory_1, target_has_memory_1, target_has_stack_1) (target_has_registers_1, target_has_execution_1): Declare functions. (target_has_all_memory): Rewrite to call target_has_all_memory_1. (target_has_memory): Rewrite to call target_has_memory_1. (target_has_stack): Rewrite to call target_has_all_stack_1. (target_has_registers): Rewrite to call target_has_registers_1. (target_has_execution): Rewrite to call target_has_execution_1. (default_child_has_all_memory, default_child_has_memory) (default_child_has_stack, default_child_has_registers) (default_child_has_execution): Declare. (target_mark_running, target_mark_exited): Delete declarations. * target.c (default_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution): New. (target_has_all_memory_1, target_has_memory_1, target_has_stack_1, target_has_registers_1, target_has_execution_1): New. (add_target): Default the to_has_all_memory, to_has_all_memory, to_has_memory, to_has_stack, to_has_registers and to_has_execution callbacks to return 0. (update_current_target): Do not inherit to_has_all_memory, to_has_memory, to_has_stack, to_has_registers or to_has_execution. (target_mark_running, target_mark_exited): Delete. (memory_xfer_partial): Adjust. (target_read_memory, target_write_memory, target_search_memory): Dispatch to the the top-most target, not the flattened current_target. (target_info): Adjust. (init_dummy_target): Install return_zero as callback for to_has_all_memory, to_has_memory, to_has_stack, to_has_registers, to_has_execution. (set_maintenance_target_async_permitted): Use have_live_inferiors instead of target_has_execution. * target-memory.c (target_write_memory_blocks): Dispatch memory writes to the the top-most target, not the flattened current_target. * breakpoint.c (insert_breakpoints): Don't check for target_has_execution here. (update_global_location_list): Check if there are live inferiors to debug instead of target_has_execution. * infcmd.c (kill_command, detach_command): Check if there are inferiors instead of target_has_execution. * inferior.h (have_live_inferiors): Declare. * inferior.c (have_live_inferiors): New. * infrun.c (normal_stop): Don't check for target_has_execution to finish the thread states. * thread.c (is_thread_state, is_stopped, is_exited, is_running) (any_running, is_executing): Remove checks for target_has_execution. * top.c (kill_or_detach): Don't try to kill core inferiors. (quit_target): Don't check for target_has_execution. * corelow.c (core_has_memory, core_has_stack, core_has_registers): New. (init_core_ops): Install core_has_memory, core_has_stack and core_has_registers. * exec.c (exec_has_memory): New. (init_exec_ops): Install exec_has_memory. * remote.c (remote_add_inferior): Don't call target_mark_running. (remote_start_remote): Don't call target_mark_exited or call target_mark_running. (remote_open_1): Use have_inferiors instead of target_has_execution. Don't use target_mark_exited. (init_remote_ops): Install deafult_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution. * bsd-kvm.c (bsd_kvm_return_one): New. (bsd_kvm_add_target): Register bsd_kvm_return_one as to_has_memory, to_has_stack and to_has_registers callbacks. * remote-m32r-sdi.c (m32r_return_one): New. (init_m32r_ops): Register it. * inf-child.c (inf_child_target): Adjust to register default_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution callbacks. * gnu-nat.c (init_gnu_ops): Likewise. * go32-nat.c (init_go32_ops): Likewise. * hpux-thread.c (init_hpux_thread_ops): Likewise. * monitor.c (init_base_monitor_ops): Likewise. * nto-procfs.c (init_procfs_ops): Likewise. * remote-mips.c (_initialize_remote_mips): Likewise. * windows-nat.c (init_windows_ops): Likewise. * remote-sim.c (gdbsim_create_inferior): Don't use target_mark_running or target_mark_exited. (gdbsim_mourn_inferior): Don't call target_mark_exited. (init_gdbsim_ops): Adjust to register default_child_has_all_memory, default_child_has_memory, default_child_has_stack, default_child_has_registers, default_child_has_execution callbacks. * linux-nat.c (linux_nat_xfer_partial): If reading memory, and there's no inferior selected, defer to a lower stratum.
2009-06-07 18:46:48 +02:00
}
/* Prints the list of inferiors and their details on UIOUT. This is a
version of 'info_inferior_command' suitable for use from MI.
If REQUESTED_INFERIOR is not -1, it's the GDB id of the inferior that
should be printed. Otherwise, all inferiors are printed. */
void
print_inferior (struct ui_out *uiout, int requested_inferior)
{
struct inferior *inf;
struct cleanup *old_chain;
int inf_count = 0;
/* Compute number of inferiors we will print. */
for (inf = inferior_list; inf; inf = inf->next)
{
struct cleanup *chain2;
if (requested_inferior != -1 && inf->num != requested_inferior)
continue;
++inf_count;
}
if (inf_count == 0)
{
ui_out_message (uiout, 0, "No inferiors.\n");
return;
}
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
old_chain = make_cleanup_ui_out_table_begin_end (uiout, 4, inf_count,
"inferiors");
ui_out_table_header (uiout, 1, ui_left, "current", "");
ui_out_table_header (uiout, 4, ui_left, "number", "Num");
ui_out_table_header (uiout, 17, ui_left, "target-id", "Description");
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
ui_out_table_header (uiout, 17, ui_left, "exec", "Executable");
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
ui_out_table_body (uiout);
for (inf = inferior_list; inf; inf = inf->next)
{
struct cleanup *chain2;
if (requested_inferior != -1 && inf->num != requested_inferior)
continue;
chain2 = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
if (inf == current_inferior ())
ui_out_field_string (uiout, "current", "*");
else
ui_out_field_skip (uiout, "current");
ui_out_field_int (uiout, "number", inf->num);
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
if (inf->pid)
ui_out_field_string (uiout, "target-id",
target_pid_to_str (pid_to_ptid (inf->pid)));
else
ui_out_field_string (uiout, "target-id", "<null>");
if (inf->pspace->ebfd)
ui_out_field_string (uiout, "exec",
bfd_get_filename (inf->pspace->ebfd));
else
ui_out_field_skip (uiout, "exec");
/* Print extra info that isn't really fit to always present in
tabular form. Currently we print the vfork parent/child
relationships, if any. */
if (inf->vfork_parent)
{
ui_out_text (uiout, _("\n\tis vfork child of inferior "));
ui_out_field_int (uiout, "vfork-parent", inf->vfork_parent->num);
}
if (inf->vfork_child)
{
ui_out_text (uiout, _("\n\tis vfork parent of inferior "));
ui_out_field_int (uiout, "vfork-child", inf->vfork_child->num);
}
ui_out_text (uiout, "\n");
do_cleanups (chain2);
}
do_cleanups (old_chain);
}
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
static void
detach_inferior_command (char *args, int from_tty)
{
int num, pid;
struct thread_info *tp;
if (!args || !*args)
error (_("Requires argument (inferior id to detach)"));
num = parse_and_eval_long (args);
if (!valid_gdb_inferior_id (num))
error (_("Inferior ID %d not known."), num);
pid = gdb_inferior_id_to_pid (num);
tp = any_thread_of_process (pid);
if (!tp)
error (_("Inferior has no threads."));
switch_to_thread (tp->ptid);
detach_command (NULL, from_tty);
}
static void
kill_inferior_command (char *args, int from_tty)
{
int num, pid;
struct thread_info *tp;
if (!args || !*args)
error (_("Requires argument (inferior id to kill)"));
num = parse_and_eval_long (args);
if (!valid_gdb_inferior_id (num))
error (_("Inferior ID %d not known."), num);
pid = gdb_inferior_id_to_pid (num);
tp = any_thread_of_process (pid);
if (!tp)
error (_("Inferior has no threads."));
switch_to_thread (tp->ptid);
target_kill ();
bfd_cache_close_all ();
}
static void
inferior_command (char *args, int from_tty)
{
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
struct inferior *inf;
int num;
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
num = parse_and_eval_long (args);
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
inf = find_inferior_id (num);
if (inf == NULL)
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
error (_("Inferior ID %d not known."), num);
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
printf_filtered (_("[Switching to inferior %d [%s] (%s)]\n"),
inf->num,
target_pid_to_str (pid_to_ptid (inf->pid)),
(inf->pspace->ebfd
? bfd_get_filename (inf->pspace->ebfd)
: _("<noexec>")));
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
if (inf->pid != 0)
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
{
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
if (inf->pid != ptid_get_pid (inferior_ptid))
{
struct thread_info *tp;
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
tp = any_thread_of_process (inf->pid);
if (!tp)
error (_("Inferior has no threads."));
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
switch_to_thread (tp->ptid);
}
printf_filtered (_("[Switching to thread %d (%s)] "),
pid_to_thread_id (inferior_ptid),
target_pid_to_str (inferior_ptid));
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
}
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
else
{
struct inferior *inf;
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
inf = find_inferior_id (num);
set_current_inferior (inf);
switch_to_thread (null_ptid);
set_current_program_space (inf->pspace);
}
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
if (inf->pid != 0 && is_running (inferior_ptid))
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
ui_out_text (uiout, "(running)\n");
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
else if (inf->pid != 0)
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
{
ui_out_text (uiout, "\n");
print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
}
}
/* Print information about currently known inferiors. */
static void
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
info_inferiors_command (char *args, int from_tty)
{
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
int requested = -1;
if (args && *args)
{
requested = parse_and_eval_long (args);
if (!valid_gdb_inferior_id (requested))
error (_("Inferior ID %d not known."), requested);
}
print_inferior (uiout, requested);
}
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
/* remove-inferior ID */
void
remove_inferior_command (char *args, int from_tty)
{
int num;
struct inferior *inf;
num = parse_and_eval_long (args);
inf = find_inferior_id (num);
if (inf == NULL)
error (_("Inferior ID %d not known."), num);
if (inf == current_inferior ())
error (_("Can not remove current symbol inferior."));
delete_inferior_1 (inf, 1);
}
/* add-inferior [-copies N] [-exec FILENAME] */
void
add_inferior_command (char *args, int from_tty)
{
int i, copies = 1;
char *exec = NULL;
char **argv;
struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
if (args)
{
argv = gdb_buildargv (args);
make_cleanup_freeargv (argv);
for (; *argv != NULL; argv++)
{
if (**argv == '-')
{
if (strcmp (*argv, "-copies") == 0)
{
++argv;
if (!*argv)
error (_("No argument to -copies"));
copies = parse_and_eval_long (*argv);
}
else if (strcmp (*argv, "-exec") == 0)
{
++argv;
if (!*argv)
error (_("No argument to -exec"));
exec = *argv;
}
}
else
error (_("Invalid argument"));
}
}
save_current_space_and_thread ();
for (i = 0; i < copies; ++i)
{
struct address_space *aspace;
struct program_space *pspace;
struct inferior *inf;
/* If all inferiors share an address space on this system, this
doesn't really return a new address space; otherwise, it
really does. */
aspace = maybe_new_address_space ();
pspace = add_program_space (aspace);
inf = add_inferior (0);
inf->pspace = pspace;
inf->aspace = pspace->aspace;
printf_filtered (_("Added inferior %d\n"), inf->num);
if (exec != NULL)
{
/* Switch over temporarily, while reading executable and
symbols.q */
set_current_program_space (pspace);
set_current_inferior (inf);
switch_to_thread (null_ptid);
exec_file_attach (exec, from_tty);
symbol_file_add_main (exec, from_tty);
}
}
do_cleanups (old_chain);
}
/* clone-inferior [-copies N] [ID] */
void
clone_inferior_command (char *args, int from_tty)
{
int i, copies = 1;
char **argv;
struct inferior *orginf = NULL;
struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
if (args)
{
argv = gdb_buildargv (args);
make_cleanup_freeargv (argv);
for (; *argv != NULL; argv++)
{
if (**argv == '-')
{
if (strcmp (*argv, "-copies") == 0)
{
++argv;
if (!*argv)
error (_("No argument to -copies"));
copies = parse_and_eval_long (*argv);
if (copies < 0)
error (_("Invalid copies number"));
}
}
else
{
if (orginf == NULL)
{
int num;
/* The first non-option (-) argument specified the
program space ID. */
num = parse_and_eval_long (*argv);
orginf = find_inferior_id (num);
if (orginf == NULL)
error (_("Inferior ID %d not known."), num);
continue;
}
else
error (_("Invalid argument"));
}
}
}
/* If no inferior id was specified, then the user wants to clone the
current inferior. */
if (orginf == NULL)
orginf = current_inferior ();
save_current_space_and_thread ();
for (i = 0; i < copies; ++i)
{
struct address_space *aspace;
struct program_space *pspace;
struct inferior *inf;
/* If all inferiors share an address space on this system, this
doesn't really return a new address space; otherwise, it
really does. */
aspace = maybe_new_address_space ();
pspace = add_program_space (aspace);
inf = add_inferior (0);
inf->pspace = pspace;
inf->aspace = pspace->aspace;
printf_filtered (_("Added inferior %d.\n"), inf->num);
set_current_inferior (inf);
switch_to_thread (null_ptid);
clone_program_space (pspace, orginf->pspace);
}
do_cleanups (old_chain);
}
/* Print notices when new inferiors are created and die. */
static void
show_print_inferior_events (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file, _("Printing of inferior events is %s.\n"), value);
}
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
/* Keep a registry of per-inferior data-pointers required by other GDB
modules. */
struct inferior_data
{
unsigned index;
void (*cleanup) (struct inferior *, void *);
};
struct inferior_data_registration
{
struct inferior_data *data;
struct inferior_data_registration *next;
};
struct inferior_data_registry
{
struct inferior_data_registration *registrations;
unsigned num_registrations;
};
static struct inferior_data_registry inferior_data_registry
= { NULL, 0 };
const struct inferior_data *
register_inferior_data_with_cleanup
(void (*cleanup) (struct inferior *, void *))
{
struct inferior_data_registration **curr;
/* Append new registration. */
for (curr = &inferior_data_registry.registrations;
*curr != NULL; curr = &(*curr)->next);
*curr = XMALLOC (struct inferior_data_registration);
(*curr)->next = NULL;
(*curr)->data = XMALLOC (struct inferior_data);
(*curr)->data->index = inferior_data_registry.num_registrations++;
(*curr)->data->cleanup = cleanup;
return (*curr)->data;
}
const struct inferior_data *
register_inferior_data (void)
{
return register_inferior_data_with_cleanup (NULL);
}
static void
inferior_alloc_data (struct inferior *inf)
{
gdb_assert (inf->data == NULL);
inf->num_data = inferior_data_registry.num_registrations;
inf->data = XCALLOC (inf->num_data, void *);
}
static void
inferior_free_data (struct inferior *inf)
{
gdb_assert (inf->data != NULL);
clear_inferior_data (inf);
xfree (inf->data);
inf->data = NULL;
}
void
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
clear_inferior_data (struct inferior *inf)
{
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
struct inferior_data_registration *registration;
int i;
gdb_assert (inf->data != NULL);
for (registration = inferior_data_registry.registrations, i = 0;
i < inf->num_data;
registration = registration->next, i++)
if (inf->data[i] != NULL && registration->data->cleanup)
registration->data->cleanup (inf, inf->data[i]);
memset (inf->data, 0, inf->num_data * sizeof (void *));
}
void
set_inferior_data (struct inferior *inf,
const struct inferior_data *data,
void *value)
{
gdb_assert (data->index < inf->num_data);
inf->data[data->index] = value;
}
void *
inferior_data (struct inferior *inf, const struct inferior_data *data)
{
gdb_assert (data->index < inf->num_data);
return inf->data[data->index];
}
void
initialize_inferiors (void)
{
/* There's always one inferior. Note that this function isn't an
automatic _initialize_foo function, since other _initialize_foo
routines may need to install their per-inferior data keys. We
can only allocate an inferior when all those modules have done
that. Do this after initialize_progspace, due to the
current_program_space reference. */
current_inferior_ = add_inferior (0);
current_inferior_->pspace = current_program_space;
current_inferior_->aspace = current_program_space->aspace;
add_info ("inferiors", info_inferiors_command,
_("IDs of currently known inferiors."));
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
add_com ("add-inferior", no_class, add_inferior_command, _("\
Add a new inferior.\n\
Usage: add-inferior [-copies <N>] [-exec <FILENAME>]\n\
N is the optional number of inferior to add, default is 1.\n\
FILENAME is the file name of the executable to use\n\
as main program."));
add_com ("remove-inferior", no_class, remove_inferior_command, _("\
Remove inferior ID.\n\
Usage: remove-inferior ID"));
add_com ("clone-inferior", no_class, clone_inferior_command, _("\
Clone inferior ID.\n\
Usage: clone-inferior [-copies <N>] [ID]\n\
Add N copies of inferior ID. The new inferior has the same\n\
executable loaded as the copied inferior. If -copies is not specified,\n\
adds 1 copy. If ID is not specified, it is the current inferior\n\
that is cloned."));
gdb/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): If we're staying attached to the child process, enable event reporting on it. Don't handle checkpoints here. Instead, add the child fork to the lwp thread and inferior lists without clobbering the previous inferior. Let the thread_db layer learn about a new child process, even if following the parent. (linux_nat_switch_fork): Delete lwps of the current inferior only, instead of clearing the whole list. Use thread_change_ptid to give the core the illusion the new checkpoint is still the same inferior. Clear the register cache. (linux_handle_extended_wait): Handle checkpoints here. (linux_multi_process): Turn on. * linux-fork.c (struct fork_info) <pc>: Remove field. (init_fork_list): Do not delete the checkpoint from the inferior list (it is not there). (fork_load_infrun_state): Don't switch inferior_ptid here. Pass the new checkpoint's ptid to linux_nat_switch_fork. (fork_save_infrun_state): Make static. Don't stop the pc field of fork_info, it's gone. (linux_fork_mourn_inferior): Don't delete the checkpoint from the inferior list, it's not there. (linux_fork_detach): Ditto. (delete_fork_command): Replace mention of fork/checkpoint by checkpoint only. (detach_fork_command): Likewise. Don't delete the checkpoint from the inferior list. (info_forks_command): Adjust. (restore_detach_fork): Delete. (checkpointing_pid): New. (linux_fork_checkpointing_p): New. (save_detach_fork): Delete. (checkpoint_command): Delete temp_detach_fork. Don't remove breakpoints, that's a nop. Store the pid of the process we're checkpointing, and use make_cleanup_restore_integer to restore it. Don't reinsert breakpoints here. (process_command, fork_command): Delete. (restart_command): Update comments to only mention checkpoints, not forks. (_initialize_linux_fork): Delete "fork", "process", "info forks" commands. * linux-fork.h (fork_save_infrun_state, fork_list): Delete declarations. (linux_fork_checkpointing_p): Declare. * cli/cli-cmds.c (killlist): New. * cli/cli-cmds.h (killlist): Declare. * gdbcmd.h (killlist): Declare. * inferior.c: Include "gdbthread.h". (detach_inferior_command, kill_inferior_command) (inferior_command): New. (info_inferiors_command): Allow specifying a specific inferior id. (_initialize_inferiors): Register "inferior", "kill inferior" and "detach inferior" commands. * infcmd.c (_initialize_infcmd): Make "kill" a prefix command. * gdbthread.h (any_thread_of_process): Declare. * thread.c (any_thread_of_process): New. * NEWS: Mention multi-inferior debugging. Mention 'info inferiors', 'inferior', 'detach inferior' and 'kill inferior' as new commands. (Removed commands): New section, mentioning that 'info forks', 'fork', 'process', 'delete fork' and 'detach fork' are now gone. gdb/testsuite/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.base/multi-forks.exp: Only run detach-on-fork tests on linux. Adjust to use "inferior", "info inferiors", "detach inferior" and "kill inferior" instead of "restart", "info fork", "detach fork" and "delete fork". * gdb.base/ending-run.exp: Spell out "info". * gdb.base/help.exp: Adjust to use test_prefix_command_help for the "kill" command. gdb/doc/ 2009-07-02 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Debugging multiple inferiors): Document the "inferior", "detach inferior" and "kill inferior" commands. (Debugging Programs with Multiple Processes): Adjust to mention generic "inferior" commands. Delete mention of "detach fork" and "delete fork". Cross reference to "Debugging multiple inferiors" section.
2009-07-02 23:57:28 +02:00
add_cmd ("inferior", class_run, detach_inferior_command, _("\
Detach from inferior ID."),
&detachlist);
add_cmd ("inferior", class_run, kill_inferior_command, _("\
Kill inferior ID."),
&killlist);
add_cmd ("inferior", class_run, inferior_command, _("\
Use this command to switch between inferiors.\n\
The new inferior ID must be currently known."),
&cmdlist);
2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 11:51:43 +02:00
add_setshow_boolean_cmd ("inferior-events", no_class,
&print_inferior_events, _("\
Set printing of inferior events (e.g., inferior start and exit)."), _("\
Show printing of inferior events (e.g., inferior start and exit)."), NULL,
NULL,
show_print_inferior_events,
&setprintlist, &showprintlist);
}