binutils-gdb/gdb/gdbserver/target.c

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2002-04-09 Daniel Jacobowitz <drow@mvista.com> * gdbserver/inferiors.c: New file. * gdbserver/target.c: New file. * gdbserver/target.h: New file. * gdbserver/Makefile.in: Add target.o and inferiors.o. Update dependencies. * gdbserver/linux-low.c (inferior_pid): New static variable, moved from server.c. (linux_create_inferior): Renamed from create_inferior. Call add_inferior. Return 0 on success instead of a PID. (linux_attach): Renamed from myattach. (linux_kill): Renamed from kill_inferior. Call clear_inferiors (). (linux_thread_alive): Renamed from mythread_alive. (linux_wait): Renamed from mywait. Call clear_inferiors () if the child dies. (linux_resume): Renamed from myresume. Add missing ``return 0''. (regsets_store_inferior_registers): Correct error message. Add missing ``return 0''. (linux_fetch_registers): Renamed from fetch_inferior_registers. (linux_store_registers): Renamed from store_inferior_registers. (linux_read_memory): Renamed from read_inferior_memory. (linux_write_memory): Renamed from write_inferior_memory. (linux_target_ops): New structure. (initialize_low): Call set_target_ops (). * gdbserver/remote-utils.c (unhexify): New function. (hexify): New function. (input_interrupt): Send signals to ``signal_pid''. * gdbserver/server.c (inferior_pid): Remove. (start_inferior): Update create_inferior call. (attach_inferior): Call add_inferior. (handle_query): New function. (main): Call handle_query for `q' packets. * gdbserver/server.h: Include "target.h". Remove obsolete prototypes. Add prototypes for "inferiors.c", "target.c", hexify, and unhexify.
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/* Target operations for the remote server for GDB.
Copyright (C) 2002, 2004, 2005, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
2002-04-09 Daniel Jacobowitz <drow@mvista.com> * gdbserver/inferiors.c: New file. * gdbserver/target.c: New file. * gdbserver/target.h: New file. * gdbserver/Makefile.in: Add target.o and inferiors.o. Update dependencies. * gdbserver/linux-low.c (inferior_pid): New static variable, moved from server.c. (linux_create_inferior): Renamed from create_inferior. Call add_inferior. Return 0 on success instead of a PID. (linux_attach): Renamed from myattach. (linux_kill): Renamed from kill_inferior. Call clear_inferiors (). (linux_thread_alive): Renamed from mythread_alive. (linux_wait): Renamed from mywait. Call clear_inferiors () if the child dies. (linux_resume): Renamed from myresume. Add missing ``return 0''. (regsets_store_inferior_registers): Correct error message. Add missing ``return 0''. (linux_fetch_registers): Renamed from fetch_inferior_registers. (linux_store_registers): Renamed from store_inferior_registers. (linux_read_memory): Renamed from read_inferior_memory. (linux_write_memory): Renamed from write_inferior_memory. (linux_target_ops): New structure. (initialize_low): Call set_target_ops (). * gdbserver/remote-utils.c (unhexify): New function. (hexify): New function. (input_interrupt): Send signals to ``signal_pid''. * gdbserver/server.c (inferior_pid): Remove. (start_inferior): Update create_inferior call. (attach_inferior): Call add_inferior. (handle_query): New function. (main): Call handle_query for `q' packets. * gdbserver/server.h: Include "target.h". Remove obsolete prototypes. Add prototypes for "inferiors.c", "target.c", hexify, and unhexify.
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Contributed by MontaVista Software.
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
2002-04-09 Daniel Jacobowitz <drow@mvista.com> * gdbserver/inferiors.c: New file. * gdbserver/target.c: New file. * gdbserver/target.h: New file. * gdbserver/Makefile.in: Add target.o and inferiors.o. Update dependencies. * gdbserver/linux-low.c (inferior_pid): New static variable, moved from server.c. (linux_create_inferior): Renamed from create_inferior. Call add_inferior. Return 0 on success instead of a PID. (linux_attach): Renamed from myattach. (linux_kill): Renamed from kill_inferior. Call clear_inferiors (). (linux_thread_alive): Renamed from mythread_alive. (linux_wait): Renamed from mywait. Call clear_inferiors () if the child dies. (linux_resume): Renamed from myresume. Add missing ``return 0''. (regsets_store_inferior_registers): Correct error message. Add missing ``return 0''. (linux_fetch_registers): Renamed from fetch_inferior_registers. (linux_store_registers): Renamed from store_inferior_registers. (linux_read_memory): Renamed from read_inferior_memory. (linux_write_memory): Renamed from write_inferior_memory. (linux_target_ops): New structure. (initialize_low): Call set_target_ops (). * gdbserver/remote-utils.c (unhexify): New function. (hexify): New function. (input_interrupt): Send signals to ``signal_pid''. * gdbserver/server.c (inferior_pid): Remove. (start_inferior): Update create_inferior call. (attach_inferior): Call add_inferior. (handle_query): New function. (main): Call handle_query for `q' packets. * gdbserver/server.h: Include "target.h". Remove obsolete prototypes. Add prototypes for "inferiors.c", "target.c", hexify, and unhexify.
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(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/>. */
2002-04-09 Daniel Jacobowitz <drow@mvista.com> * gdbserver/inferiors.c: New file. * gdbserver/target.c: New file. * gdbserver/target.h: New file. * gdbserver/Makefile.in: Add target.o and inferiors.o. Update dependencies. * gdbserver/linux-low.c (inferior_pid): New static variable, moved from server.c. (linux_create_inferior): Renamed from create_inferior. Call add_inferior. Return 0 on success instead of a PID. (linux_attach): Renamed from myattach. (linux_kill): Renamed from kill_inferior. Call clear_inferiors (). (linux_thread_alive): Renamed from mythread_alive. (linux_wait): Renamed from mywait. Call clear_inferiors () if the child dies. (linux_resume): Renamed from myresume. Add missing ``return 0''. (regsets_store_inferior_registers): Correct error message. Add missing ``return 0''. (linux_fetch_registers): Renamed from fetch_inferior_registers. (linux_store_registers): Renamed from store_inferior_registers. (linux_read_memory): Renamed from read_inferior_memory. (linux_write_memory): Renamed from write_inferior_memory. (linux_target_ops): New structure. (initialize_low): Call set_target_ops (). * gdbserver/remote-utils.c (unhexify): New function. (hexify): New function. (input_interrupt): Send signals to ``signal_pid''. * gdbserver/server.c (inferior_pid): Remove. (start_inferior): Update create_inferior call. (attach_inferior): Call add_inferior. (handle_query): New function. (main): Call handle_query for `q' packets. * gdbserver/server.h: Include "target.h". Remove obsolete prototypes. Add prototypes for "inferiors.c", "target.c", hexify, and unhexify.
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#include "server.h"
struct target_ops *the_target;
2002-06-11 Daniel Jacobowitz <drow@mvista.com> * gdbserver/thread-db.c: New file. * gdbserver/proc-service.c: New file. * gdbserver/acinclude.m4: New file. * gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h, proc-service.o, and thread-db.o. (linux-low.o): Add USE_THREAD_DB. * gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T, HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN. * gdbserver/aclocal.m4: Regenerated. * gdbserver/config.in: Regenerated. * gdbserver/configure: Regenerated. * gdbserver/configure.in: Check for proc_service.h, sys/procfs.h, thread_db.h, and linux/elf.h headrs. Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and PRFPREGSET_T_BROKEN. Introduce srv_thread_depfiles and USE_THREAD_DB. Check for -lthread_db and thread support. * gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS, PowerPC, and SuperH. * gdbserver/i387-fp.c: Constify arguments. * gdbserver/i387-fp.h: Likewise. * gdbserver/inferiors.c: (struct thread_info): Renamed from `struct inferior_info'. Remove PID member. Use generic inferior list header. All uses updated. (inferiors, signal_pid): Removed. (all_threads): New variable. (get_thread): Define. (add_inferior_to_list): New function. (for_each_inferior): New function. (change_inferior_id): New function. (add_inferior): Removed. (remove_inferior): New function. (add_thread): New function. (free_one_thread): New function. (remove_thread): New function. (clear_inferiors): Use for_each_inferior and free_one_thread. (find_inferior): New function. (find_inferior_id): New function. (inferior_target_data): Update argument type. (set_inferior_target_data): Likewise. (inferior_regcache_data): Likewise. (set_inferior_regcache_data): Likewise. * gdbserver/linux-low.c (linux_bp_reinsert): Remove. (all_processes, stopping_threads, using_thrads) (struct pending_signals, debug_threads, pid_of): New. (inferior_pid): Replace with macro. (struct inferior_linux_data): Remove. (get_stop_pc, add_process): New functions. (linux_create_inferior): Restore SIGRTMIN+1 before calling exec. Use add_process and add_thread. (linux_attach_lwp): New function, based on old linux_attach. Use add_process and add_thread. Set stop_expected for new threads. (linux_attach): New function. (linux_kill_one_process): New function. (linux_kill): Kill all LWPs. (linux_thread_alive): Use find_inferior_id. (check_removed_breakpoints, status_pending_p): New functions. (linux_wait_for_process): Renamed from linux_wait_for_one_inferior. Update. Use WNOHANG. Wait for cloned processes also. Update process struct for the found process. (linux_wait_for_event): New function. (linux_wait): Use it. Support LWPs. (send_sigstop, wait_for_sigstop, stop_all_processes) (linux_resume_one_process, linux_continue_one_process): New functions. (linux_resume): Support LWPs. (REGISTER_RAW_SIZE): Remove. (fetch_register): Use register_size instead. Call supply_register. (usr_store_inferior_registers): Likewise. Call collect_register. Fix recursive case. (regsets_fetch_inferior_registers): Improve error message. (regsets_store_inferior_registers): Add debugging. (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB. (unstopped_p, linux_signal_pid): New functions. (linux_target_ops): Add linux_signal_pid. (linux_init_signals): New function. (initialize_low): Call it. Initialize using_threads. * gdbserver/regcache.c (inferior_regcache_data): Add valid flag. (get_regcache): Fetch registers lazily. Add fetch argument and update all callers. (regcache_invalidate_one, regcache_invalidate): New functions. (new_register_cache): Renamed from create_register_cache. Return the new regcache. (free_register_cache): Change argument to a void *. (registers_to_string, registers_from_string): Call get_regcache with fetch flag set. (register_data): Make static. Pass fetch flag to get_regcache. (supply_register): Call get_regcache with fetch flag clear. (collect_register): Call get_regcache with fetch flag set. (collect_register_as_string): New function. * gdbserver/regcache.h: Update. * gdbserver/remote-utils.c (putpkt): Flush after debug output and use stderr. Handle input interrupts while waiting for an ACK. (input_interrupt): Use signal_pid method. (getpkt): Flush after debug output and use stderr. (outreg): Use collect_register_as_string. (new_thread_notify, dead_thread_notify): New functions. (prepare_resume_reply): Check using_threads. Set thread_from_wait and general_thread. (look_up_one_symbol): Flush after debug output. * gdbserver/server.c (step_thread, server_waiting): New variables. (start_inferior): Don't use signal_pid. Update call to mywait. (attach_inferior): Update call to mywait. (handle_query): Handle qfThreadInfo and qsThreadInfo. (main): Don't fetch/store registers explicitly. Use set_desired_inferior. Support proposed ``Hs'' packet. Update calls to mywait. * gdbserver/server.h: Update. (struct inferior_list, struct_inferior_list_entry): New. * gdbserver/target.c (set_desired_inferior): New. (write_inferior_memory): Constify. (mywait): New function. * gdbserver/target.h: Update. (struct target_ops): New signal_pid method. (mywait): Removed macro, added prototype. * gdbserver/linux-low.h (regset_func): Removed. (regset_fill_func, regset_store_func): New. (enum regset_type): New. (struct regset_info): Add type field. Use new operation types. (struct linux_target_ops): stop_pc renamed to get_pc. Add decr_pc_after_break and breakpoint_at. (get_process, get_thread_proess, get_process_thread) (strut process_info, all_processes, linux_attach_lwp) (thread_db_init): New. * gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc, arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset) (i386_store_fpxregset): Constify. (target_regsets): Add new kind identifier. (i386_get_pc): Renamed from i386_stop_pc. Simplify. (i386_set_pc): Add debugging. (i386_breakpoint_at): New function. (the_low_target): Add new members. * gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc) (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr) (mips_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc) (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc) (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-x86-64-low.c (target_regsets): Add new kind identifier.
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void
set_desired_inferior (int use_general)
{
struct thread_info *found;
if (use_general == 1)
found = find_thread_ptid (general_thread);
2002-06-11 Daniel Jacobowitz <drow@mvista.com> * gdbserver/thread-db.c: New file. * gdbserver/proc-service.c: New file. * gdbserver/acinclude.m4: New file. * gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h, proc-service.o, and thread-db.o. (linux-low.o): Add USE_THREAD_DB. * gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T, HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN. * gdbserver/aclocal.m4: Regenerated. * gdbserver/config.in: Regenerated. * gdbserver/configure: Regenerated. * gdbserver/configure.in: Check for proc_service.h, sys/procfs.h, thread_db.h, and linux/elf.h headrs. Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and PRFPREGSET_T_BROKEN. Introduce srv_thread_depfiles and USE_THREAD_DB. Check for -lthread_db and thread support. * gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS, PowerPC, and SuperH. * gdbserver/i387-fp.c: Constify arguments. * gdbserver/i387-fp.h: Likewise. * gdbserver/inferiors.c: (struct thread_info): Renamed from `struct inferior_info'. Remove PID member. Use generic inferior list header. All uses updated. (inferiors, signal_pid): Removed. (all_threads): New variable. (get_thread): Define. (add_inferior_to_list): New function. (for_each_inferior): New function. (change_inferior_id): New function. (add_inferior): Removed. (remove_inferior): New function. (add_thread): New function. (free_one_thread): New function. (remove_thread): New function. (clear_inferiors): Use for_each_inferior and free_one_thread. (find_inferior): New function. (find_inferior_id): New function. (inferior_target_data): Update argument type. (set_inferior_target_data): Likewise. (inferior_regcache_data): Likewise. (set_inferior_regcache_data): Likewise. * gdbserver/linux-low.c (linux_bp_reinsert): Remove. (all_processes, stopping_threads, using_thrads) (struct pending_signals, debug_threads, pid_of): New. (inferior_pid): Replace with macro. (struct inferior_linux_data): Remove. (get_stop_pc, add_process): New functions. (linux_create_inferior): Restore SIGRTMIN+1 before calling exec. Use add_process and add_thread. (linux_attach_lwp): New function, based on old linux_attach. Use add_process and add_thread. Set stop_expected for new threads. (linux_attach): New function. (linux_kill_one_process): New function. (linux_kill): Kill all LWPs. (linux_thread_alive): Use find_inferior_id. (check_removed_breakpoints, status_pending_p): New functions. (linux_wait_for_process): Renamed from linux_wait_for_one_inferior. Update. Use WNOHANG. Wait for cloned processes also. Update process struct for the found process. (linux_wait_for_event): New function. (linux_wait): Use it. Support LWPs. (send_sigstop, wait_for_sigstop, stop_all_processes) (linux_resume_one_process, linux_continue_one_process): New functions. (linux_resume): Support LWPs. (REGISTER_RAW_SIZE): Remove. (fetch_register): Use register_size instead. Call supply_register. (usr_store_inferior_registers): Likewise. Call collect_register. Fix recursive case. (regsets_fetch_inferior_registers): Improve error message. (regsets_store_inferior_registers): Add debugging. (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB. (unstopped_p, linux_signal_pid): New functions. (linux_target_ops): Add linux_signal_pid. (linux_init_signals): New function. (initialize_low): Call it. Initialize using_threads. * gdbserver/regcache.c (inferior_regcache_data): Add valid flag. (get_regcache): Fetch registers lazily. Add fetch argument and update all callers. (regcache_invalidate_one, regcache_invalidate): New functions. (new_register_cache): Renamed from create_register_cache. Return the new regcache. (free_register_cache): Change argument to a void *. (registers_to_string, registers_from_string): Call get_regcache with fetch flag set. (register_data): Make static. Pass fetch flag to get_regcache. (supply_register): Call get_regcache with fetch flag clear. (collect_register): Call get_regcache with fetch flag set. (collect_register_as_string): New function. * gdbserver/regcache.h: Update. * gdbserver/remote-utils.c (putpkt): Flush after debug output and use stderr. Handle input interrupts while waiting for an ACK. (input_interrupt): Use signal_pid method. (getpkt): Flush after debug output and use stderr. (outreg): Use collect_register_as_string. (new_thread_notify, dead_thread_notify): New functions. (prepare_resume_reply): Check using_threads. Set thread_from_wait and general_thread. (look_up_one_symbol): Flush after debug output. * gdbserver/server.c (step_thread, server_waiting): New variables. (start_inferior): Don't use signal_pid. Update call to mywait. (attach_inferior): Update call to mywait. (handle_query): Handle qfThreadInfo and qsThreadInfo. (main): Don't fetch/store registers explicitly. Use set_desired_inferior. Support proposed ``Hs'' packet. Update calls to mywait. * gdbserver/server.h: Update. (struct inferior_list, struct_inferior_list_entry): New. * gdbserver/target.c (set_desired_inferior): New. (write_inferior_memory): Constify. (mywait): New function. * gdbserver/target.h: Update. (struct target_ops): New signal_pid method. (mywait): Removed macro, added prototype. * gdbserver/linux-low.h (regset_func): Removed. (regset_fill_func, regset_store_func): New. (enum regset_type): New. (struct regset_info): Add type field. Use new operation types. (struct linux_target_ops): stop_pc renamed to get_pc. Add decr_pc_after_break and breakpoint_at. (get_process, get_thread_proess, get_process_thread) (strut process_info, all_processes, linux_attach_lwp) (thread_db_init): New. * gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc, arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset) (i386_store_fpxregset): Constify. (target_regsets): Add new kind identifier. (i386_get_pc): Renamed from i386_stop_pc. Simplify. (i386_set_pc): Add debugging. (i386_breakpoint_at): New function. (the_low_target): Add new members. * gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc) (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr) (mips_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc) (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc) (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-x86-64-low.c (target_regsets): Add new kind identifier.
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else
{
found = NULL;
/* If we are continuing any (all) thread(s), use step_thread
to decide which thread to step and/or send the specified
signal to. */
2009-04-01 Pedro Alves <pedro@codesourcery.com> Implement the multiprocess extensions, and add linux multiprocess support. * server.h (ULONGEST): Declare. (struct ptid, ptid_t): New. (minus_one_ptid, null_ptid): Declare. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): Declare. (struct inferior_list_entry): Change `id' type from unsigned from to ptid_t. (struct sym_cache, struct breakpoint, struct process_info_private): Forward declare. (struct process_info): Declare. (current_process): Declare. (all_processes): Declare. (initialize_inferiors): Declare. (add_thread): Adjust to use ptid_t. (thread_id_to_gdb_id, thread_to_gdb_id, gdb_id_to_thread_id): Ditto. (add_process, remove_process, find_thread_pid): Declare. (find_inferior_id): Adjust to use ptid_t. (cont_thread, general_thread, step_thread): Change type to ptid_t. (multi_process): Declare. (push_event): Adjust to use ptid_t. (read_ptid, write_ptid): Declare. (prepare_resume_reply): Adjust to use ptid_t. (clear_symbol_cache): Declare. * inferiors.c (all_processes): New. (null_ptid, minus_one_ptid): New. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): New. (add_thread): Change unsigned long to ptid. Remove gdb_id parameter. Adjust. (thread_id_to_gdb_id, thread_to_gdb_id): Change unsigned long to ptid. (gdb_id_to_thread): Rename to ... (find_thread_pid): ... this. Change unsigned long to ptid. (gdb_id_to_thread_id, find_inferior_id): Change unsigned long to ptid. (loaded_dll, pull_pid_from_list): Adjust. (add_process, remove_process, find_process_pid) (get_thread_process, current_process, initialize_inferiors): New. * target.h (struct thread_resume) <thread>: Change type to ptid_t. (struct target_waitstatus) <related_pid>: Ditto. (struct target_ops) <kill, detach>: Add `pid' argument. Change return type to int. (struct target_ops) <join>: Add `pid' argument. (struct target_ops) <thread_alive>: Change pid's type to ptid_t. (struct target_ops) <wait>: Add `ptid' field. Change return type to ptid. (kill_inferior, detach_inferior, join_inferior): Add `pid' argument. (mywait): Add `ptid' argument. Change return type to ptid_t. (target_pid_to_str): Declare. * target.c (set_desired_inferior): Adjust to use ptids. (mywait): Add new `ptid' argument. Adjust. (target_pid_to_str): New. * mem-break.h (free_all_breakpoints): Declare. * mem-break.c (breakpoints): Delelete. (set_breakpoint_at, delete_breakpoint, find_breakpoint_at) (check_mem_read, check_mem_write, delete_all_breakpoints): Adjust to use per-process breakpoint list. (free_all_breakpoints): New. * remote-utils.c (struct sym_cache) <name>: Drop `const'. (symbol_cache, all_symbols_looked_up): Delete. (hexchars): New. (ishex, unpack_varlen_hex, write_ptid, hex_or_minus_one, read_ptid): New. (prepare_resume_reply): Change ptid argument's type from unsigned long to ptid_t. Adjust. Implement W;process and X;process. (free_sym_cache, clear_symbol_cache): New. (look_up_one_symbol): Adjust to per-process symbol cache. * * server.c (cont_thread, general_thread, step_thread): Change type to ptid_t. (attached): Delete. (multi_process): New. (last_ptid): Change type to ptid_t. (struct vstop_notif) <ptid>: Change type to ptid_t. (queue_stop_reply, push_event): Change `ptid' argument's type to ptid_t. (discard_queued_stop_replies): Add `pid' argument. (start_inferior): Adjust to use ptids. Adjust to mywait interface changes. Don't reference the `attached' global. (attach_inferior): Adjust to mywait interface changes. (handle_query): Adjust to use ptids. Parse GDB's qSupported features. Handle and report "multiprocess+". Handle "qAttached:PID". (handle_v_cont): Adjust to use ptids. Adjust to mywait interface changes. (handle_v_kill): New. (handle_v_stopped): Adjust to use target_pid_to_str. (handle_v_requests): Allow multiple attaches and runs when multiprocess extensions are in effect. Handle "vKill". (myresume): Adjust to use ptids. (queue_stop_reply_callback): Add `arg' parameter. Handle it. (handle_status): Adjust to discard_queued_stop_replies interface change. (first_thread_of, kill_inferior_callback) (detach_or_kill_inferior_callback, join_inferiors_callback): New. (main): Call initialize_inferiors. Adjust to use ptids, killing and detaching from all inferiors. Handle multiprocess packet variants. * linux-low.h: Include gdb_proc_service.h. (struct process_info_private): New. (struct linux_target_ops) <pid_of>: Use ptid_get_pid. <lwpid_of>: Use ptid_get_lwp. (get_lwp_thread): Adjust. (struct lwp_info): Add `dead' member. (find_lwp_pid): Declare. * linux-low.c (thread_db_active): Delete. (new_inferior): Adjust comment. (inferior_pid): Delete. (linux_add_process): New. (handle_extended_wait): Adjust. (add_lwp): Change unsigned long to ptid. (linux_create_inferior): Add process to processes table. Adjust to use ptids. Don't set new_inferior here. (linux_attach_lwp): Rename to ... (linux_attach_lwp_1): ... this. Add `initial' argument. Handle it. Adjust to use ptids. (linux_attach_lwp): New. (linux_attach): Add process to processes table. Don't set new_inferior here. (struct counter): New. (second_thread_of_pid_p, last_thread_of_process_p): New. (linux_kill_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (linux_kill): Add `pid' argument. Handle it. Adjust to multiple processes. Remove process from process table. (linux_detach_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (any_thread_of): New. (linux_detach): Add `pid' argument, and handle it. Remove process from processes table. (linux_join): Add `pid' argument. Handle it. (linux_thread_alive): Change unsighed long argument to ptid_t. Consider dead lwps as not being alive. (status_pending_p): Rename `dummy' argument to `arg'. Filter out threads we're not interested in. (same_lwp, find_lwp_pid): New. (linux_wait_for_lwp): Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): Rename to ... (linux_wait_for_event_1): ... this. Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): New. (linux_wait_1): Add `ptid' argument. Change return type to ptid_t. Adjust. Use last_thread_of_process_p. Remove processes that exit from the process table. (linux_wait): Add `ptid' argument. Change return type to ptid_t. Adjust. (mark_lwp_dead): New. (wait_for_sigstop): Adjust to use ptids. If a process exits while stopping all threads, mark its main lwp as dead. (linux_set_resume_request, linux_resume_one_thread): Adjust to use ptids. (fetch_register, usr_store_inferior_registers) (regsets_fetch_inferior_registers) (regsets_store_inferior_registers, linux_read_memory) (linux_write_memory): Inline `inferior_pid'. (linux_look_up_symbols): Adjust to use per-process `thread_db_active'. (linux_request_interrupt): Adjust to use ptids. (linux_read_auxv): Inline `inferior_pid'. (initialize_low): Don't reference thread_db_active. * gdb_proc_service.h (struct ps_prochandle) <pid>: Remove. * proc-service.c (ps_lgetregs): Use find_lwp_pid. (ps_getpid): Return the pid of the current inferior. * thread-db.c (proc_handle, thread_agent): Delete. (thread_db_create_event, thread_db_enable_reporting): Adjust to per-process data. (find_one_thread): Change argument type to ptid_t. Adjust to per-process data. (maybe_attach_thread): Adjust to per-process data and ptids. (thread_db_find_new_threads): Ditto. (thread_db_init): Ditto. * spu-low.c (spu_create_inferior, spu_attach): Add process to processes table. Adjust to use ptids. (spu_kill, spu_detach): Adjust interface. Remove process from processes table. (spu_join, spu_thread_alive): Adjust interface. (spu_wait): Adjust interface. Remove process from processes table. Adjust to use ptids. * win32-low.c (current_inferior_tid): Delete. (current_inferior_ptid): New. (debug_event_ptid): New. (thread_rec): Take a ptid. Adjust. (child_add_thread): Add `pid' argument. Adjust to use ptids. (child_delete_thread): Ditto. (do_initial_child_stuff): Add `attached' argument. Add process to processes table. (child_fetch_inferior_registers, child_store_inferior_registers): Adjust. (win32_create_inferior): Pass 0 to do_initial_child_stuff. (win32_attach): Pass 1 to do_initial_child_stuff. (win32_kill): Adjust interface. Remove process from processes table. (win32_detach): Ditto. (win32_join): Adjust interface. (win32_thread_alive): Take a ptid. (win32_resume): Adjust to use ptids. (get_child_debug_event): Ditto. (win32_wait): Adjust interface. Remove exiting process from processes table.
2009-04-02 00:50:24 +02:00
if ((!ptid_equal (step_thread, null_ptid)
&& !ptid_equal (step_thread, minus_one_ptid))
&& (ptid_equal (cont_thread, null_ptid)
|| ptid_equal (cont_thread, minus_one_ptid)))
found = find_thread_ptid (step_thread);
2002-06-11 Daniel Jacobowitz <drow@mvista.com> * gdbserver/thread-db.c: New file. * gdbserver/proc-service.c: New file. * gdbserver/acinclude.m4: New file. * gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h, proc-service.o, and thread-db.o. (linux-low.o): Add USE_THREAD_DB. * gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T, HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN. * gdbserver/aclocal.m4: Regenerated. * gdbserver/config.in: Regenerated. * gdbserver/configure: Regenerated. * gdbserver/configure.in: Check for proc_service.h, sys/procfs.h, thread_db.h, and linux/elf.h headrs. Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and PRFPREGSET_T_BROKEN. Introduce srv_thread_depfiles and USE_THREAD_DB. Check for -lthread_db and thread support. * gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS, PowerPC, and SuperH. * gdbserver/i387-fp.c: Constify arguments. * gdbserver/i387-fp.h: Likewise. * gdbserver/inferiors.c: (struct thread_info): Renamed from `struct inferior_info'. Remove PID member. Use generic inferior list header. All uses updated. (inferiors, signal_pid): Removed. (all_threads): New variable. (get_thread): Define. (add_inferior_to_list): New function. (for_each_inferior): New function. (change_inferior_id): New function. (add_inferior): Removed. (remove_inferior): New function. (add_thread): New function. (free_one_thread): New function. (remove_thread): New function. (clear_inferiors): Use for_each_inferior and free_one_thread. (find_inferior): New function. (find_inferior_id): New function. (inferior_target_data): Update argument type. (set_inferior_target_data): Likewise. (inferior_regcache_data): Likewise. (set_inferior_regcache_data): Likewise. * gdbserver/linux-low.c (linux_bp_reinsert): Remove. (all_processes, stopping_threads, using_thrads) (struct pending_signals, debug_threads, pid_of): New. (inferior_pid): Replace with macro. (struct inferior_linux_data): Remove. (get_stop_pc, add_process): New functions. (linux_create_inferior): Restore SIGRTMIN+1 before calling exec. Use add_process and add_thread. (linux_attach_lwp): New function, based on old linux_attach. Use add_process and add_thread. Set stop_expected for new threads. (linux_attach): New function. (linux_kill_one_process): New function. (linux_kill): Kill all LWPs. (linux_thread_alive): Use find_inferior_id. (check_removed_breakpoints, status_pending_p): New functions. (linux_wait_for_process): Renamed from linux_wait_for_one_inferior. Update. Use WNOHANG. Wait for cloned processes also. Update process struct for the found process. (linux_wait_for_event): New function. (linux_wait): Use it. Support LWPs. (send_sigstop, wait_for_sigstop, stop_all_processes) (linux_resume_one_process, linux_continue_one_process): New functions. (linux_resume): Support LWPs. (REGISTER_RAW_SIZE): Remove. (fetch_register): Use register_size instead. Call supply_register. (usr_store_inferior_registers): Likewise. Call collect_register. Fix recursive case. (regsets_fetch_inferior_registers): Improve error message. (regsets_store_inferior_registers): Add debugging. (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB. (unstopped_p, linux_signal_pid): New functions. (linux_target_ops): Add linux_signal_pid. (linux_init_signals): New function. (initialize_low): Call it. Initialize using_threads. * gdbserver/regcache.c (inferior_regcache_data): Add valid flag. (get_regcache): Fetch registers lazily. Add fetch argument and update all callers. (regcache_invalidate_one, regcache_invalidate): New functions. (new_register_cache): Renamed from create_register_cache. Return the new regcache. (free_register_cache): Change argument to a void *. (registers_to_string, registers_from_string): Call get_regcache with fetch flag set. (register_data): Make static. Pass fetch flag to get_regcache. (supply_register): Call get_regcache with fetch flag clear. (collect_register): Call get_regcache with fetch flag set. (collect_register_as_string): New function. * gdbserver/regcache.h: Update. * gdbserver/remote-utils.c (putpkt): Flush after debug output and use stderr. Handle input interrupts while waiting for an ACK. (input_interrupt): Use signal_pid method. (getpkt): Flush after debug output and use stderr. (outreg): Use collect_register_as_string. (new_thread_notify, dead_thread_notify): New functions. (prepare_resume_reply): Check using_threads. Set thread_from_wait and general_thread. (look_up_one_symbol): Flush after debug output. * gdbserver/server.c (step_thread, server_waiting): New variables. (start_inferior): Don't use signal_pid. Update call to mywait. (attach_inferior): Update call to mywait. (handle_query): Handle qfThreadInfo and qsThreadInfo. (main): Don't fetch/store registers explicitly. Use set_desired_inferior. Support proposed ``Hs'' packet. Update calls to mywait. * gdbserver/server.h: Update. (struct inferior_list, struct_inferior_list_entry): New. * gdbserver/target.c (set_desired_inferior): New. (write_inferior_memory): Constify. (mywait): New function. * gdbserver/target.h: Update. (struct target_ops): New signal_pid method. (mywait): Removed macro, added prototype. * gdbserver/linux-low.h (regset_func): Removed. (regset_fill_func, regset_store_func): New. (enum regset_type): New. (struct regset_info): Add type field. Use new operation types. (struct linux_target_ops): stop_pc renamed to get_pc. Add decr_pc_after_break and breakpoint_at. (get_process, get_thread_proess, get_process_thread) (strut process_info, all_processes, linux_attach_lwp) (thread_db_init): New. * gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc, arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset) (i386_store_fpxregset): Constify. (target_regsets): Add new kind identifier. (i386_get_pc): Renamed from i386_stop_pc. Simplify. (i386_set_pc): Add debugging. (i386_breakpoint_at): New function. (the_low_target): Add new members. * gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc) (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr) (mips_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc) (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc) (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-x86-64-low.c (target_regsets): Add new kind identifier.
2002-06-11 19:32:40 +02:00
if (found == NULL)
found = find_thread_ptid (cont_thread);
2002-06-11 Daniel Jacobowitz <drow@mvista.com> * gdbserver/thread-db.c: New file. * gdbserver/proc-service.c: New file. * gdbserver/acinclude.m4: New file. * gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h, proc-service.o, and thread-db.o. (linux-low.o): Add USE_THREAD_DB. * gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T, HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN. * gdbserver/aclocal.m4: Regenerated. * gdbserver/config.in: Regenerated. * gdbserver/configure: Regenerated. * gdbserver/configure.in: Check for proc_service.h, sys/procfs.h, thread_db.h, and linux/elf.h headrs. Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and PRFPREGSET_T_BROKEN. Introduce srv_thread_depfiles and USE_THREAD_DB. Check for -lthread_db and thread support. * gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS, PowerPC, and SuperH. * gdbserver/i387-fp.c: Constify arguments. * gdbserver/i387-fp.h: Likewise. * gdbserver/inferiors.c: (struct thread_info): Renamed from `struct inferior_info'. Remove PID member. Use generic inferior list header. All uses updated. (inferiors, signal_pid): Removed. (all_threads): New variable. (get_thread): Define. (add_inferior_to_list): New function. (for_each_inferior): New function. (change_inferior_id): New function. (add_inferior): Removed. (remove_inferior): New function. (add_thread): New function. (free_one_thread): New function. (remove_thread): New function. (clear_inferiors): Use for_each_inferior and free_one_thread. (find_inferior): New function. (find_inferior_id): New function. (inferior_target_data): Update argument type. (set_inferior_target_data): Likewise. (inferior_regcache_data): Likewise. (set_inferior_regcache_data): Likewise. * gdbserver/linux-low.c (linux_bp_reinsert): Remove. (all_processes, stopping_threads, using_thrads) (struct pending_signals, debug_threads, pid_of): New. (inferior_pid): Replace with macro. (struct inferior_linux_data): Remove. (get_stop_pc, add_process): New functions. (linux_create_inferior): Restore SIGRTMIN+1 before calling exec. Use add_process and add_thread. (linux_attach_lwp): New function, based on old linux_attach. Use add_process and add_thread. Set stop_expected for new threads. (linux_attach): New function. (linux_kill_one_process): New function. (linux_kill): Kill all LWPs. (linux_thread_alive): Use find_inferior_id. (check_removed_breakpoints, status_pending_p): New functions. (linux_wait_for_process): Renamed from linux_wait_for_one_inferior. Update. Use WNOHANG. Wait for cloned processes also. Update process struct for the found process. (linux_wait_for_event): New function. (linux_wait): Use it. Support LWPs. (send_sigstop, wait_for_sigstop, stop_all_processes) (linux_resume_one_process, linux_continue_one_process): New functions. (linux_resume): Support LWPs. (REGISTER_RAW_SIZE): Remove. (fetch_register): Use register_size instead. Call supply_register. (usr_store_inferior_registers): Likewise. Call collect_register. Fix recursive case. (regsets_fetch_inferior_registers): Improve error message. (regsets_store_inferior_registers): Add debugging. (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB. (unstopped_p, linux_signal_pid): New functions. (linux_target_ops): Add linux_signal_pid. (linux_init_signals): New function. (initialize_low): Call it. Initialize using_threads. * gdbserver/regcache.c (inferior_regcache_data): Add valid flag. (get_regcache): Fetch registers lazily. Add fetch argument and update all callers. (regcache_invalidate_one, regcache_invalidate): New functions. (new_register_cache): Renamed from create_register_cache. Return the new regcache. (free_register_cache): Change argument to a void *. (registers_to_string, registers_from_string): Call get_regcache with fetch flag set. (register_data): Make static. Pass fetch flag to get_regcache. (supply_register): Call get_regcache with fetch flag clear. (collect_register): Call get_regcache with fetch flag set. (collect_register_as_string): New function. * gdbserver/regcache.h: Update. * gdbserver/remote-utils.c (putpkt): Flush after debug output and use stderr. Handle input interrupts while waiting for an ACK. (input_interrupt): Use signal_pid method. (getpkt): Flush after debug output and use stderr. (outreg): Use collect_register_as_string. (new_thread_notify, dead_thread_notify): New functions. (prepare_resume_reply): Check using_threads. Set thread_from_wait and general_thread. (look_up_one_symbol): Flush after debug output. * gdbserver/server.c (step_thread, server_waiting): New variables. (start_inferior): Don't use signal_pid. Update call to mywait. (attach_inferior): Update call to mywait. (handle_query): Handle qfThreadInfo and qsThreadInfo. (main): Don't fetch/store registers explicitly. Use set_desired_inferior. Support proposed ``Hs'' packet. Update calls to mywait. * gdbserver/server.h: Update. (struct inferior_list, struct_inferior_list_entry): New. * gdbserver/target.c (set_desired_inferior): New. (write_inferior_memory): Constify. (mywait): New function. * gdbserver/target.h: Update. (struct target_ops): New signal_pid method. (mywait): Removed macro, added prototype. * gdbserver/linux-low.h (regset_func): Removed. (regset_fill_func, regset_store_func): New. (enum regset_type): New. (struct regset_info): Add type field. Use new operation types. (struct linux_target_ops): stop_pc renamed to get_pc. Add decr_pc_after_break and breakpoint_at. (get_process, get_thread_proess, get_process_thread) (strut process_info, all_processes, linux_attach_lwp) (thread_db_init): New. * gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc, arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset) (i386_store_fpxregset): Constify. (target_regsets): Add new kind identifier. (i386_get_pc): Renamed from i386_stop_pc. Simplify. (i386_set_pc): Add debugging. (i386_breakpoint_at): New function. (the_low_target): Add new members. * gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc) (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr) (mips_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc) (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc) (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-x86-64-low.c (target_regsets): Add new kind identifier.
2002-06-11 19:32:40 +02:00
}
if (found == NULL)
current_inferior = (struct thread_info *) all_threads.head;
else
current_inferior = found;
}
int
* acconfig.h: Remove. * configure.ac: Add a test for socklen_t. Use three-argument AC_DEFINE throughout. * config.in: Regenerated using autoheader 2.59. * configure: Regenerated. * gdbreplay.c (socklen_t): Provide a default. (remote_open): Use socklen_t. * remote-utils.c (socklen_t): Provide a default. (remote_open): Use socklen_t. (convert_int_to_ascii, convert_ascii_to_int, decode_M_packet): Use unsigned char. * i387-fp.c (struct i387_fsave, struct i387_fxsave): Use unsigned char for buffers. * linux-low.c (linux_read_memory, linux_write_memory) (linux_read_auxv): Likewise. * mem-break.c (breakpoint_data, set_breakpoint_data, check_mem_read) (check_mem_write): Likewise. * mem-break.h (set_breakpoint_data, check_mem_read, check_mem_write): Likewise. * regcache.c (struct inferior_rgcache_data, registers_to_string) (registers_from_string, register_data): Likewise. * server.c (handle_query, main): Likewise. * server.h (convert_ascii_to_int, convert_int_to_ascii) (decode_M_packet): Likewise. * target.c (read_inferior_memory, write_inferior_memory): Likewise. * target.h (struct target_ops): Update read_memory, write_memory, and read_auxv. (read_inferior_memory, write_inferior_memory): Update. * linux-low.h (struct linux_target_ops): Change type of breakpoint to unsigned char *. * linux-arm-low.c, linux-cris-low.c, linux-crisv32-low.c, linux-i386-low.c, linux-m32r-low.c, linux-m68k-low.c, linux-mips-low.c, linux-ppc-low.c, linux-ppc64-low.c, linux-s390-low.c, linux-sh-low.c: Update for changes in read_inferior_memory and the_low_target->breakpoint.
2005-06-13 03:59:22 +02:00
read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
{
int res;
res = (*the_target->read_memory) (memaddr, myaddr, len);
check_mem_read (memaddr, myaddr, len);
return res;
}
int
* acconfig.h: Remove. * configure.ac: Add a test for socklen_t. Use three-argument AC_DEFINE throughout. * config.in: Regenerated using autoheader 2.59. * configure: Regenerated. * gdbreplay.c (socklen_t): Provide a default. (remote_open): Use socklen_t. * remote-utils.c (socklen_t): Provide a default. (remote_open): Use socklen_t. (convert_int_to_ascii, convert_ascii_to_int, decode_M_packet): Use unsigned char. * i387-fp.c (struct i387_fsave, struct i387_fxsave): Use unsigned char for buffers. * linux-low.c (linux_read_memory, linux_write_memory) (linux_read_auxv): Likewise. * mem-break.c (breakpoint_data, set_breakpoint_data, check_mem_read) (check_mem_write): Likewise. * mem-break.h (set_breakpoint_data, check_mem_read, check_mem_write): Likewise. * regcache.c (struct inferior_rgcache_data, registers_to_string) (registers_from_string, register_data): Likewise. * server.c (handle_query, main): Likewise. * server.h (convert_ascii_to_int, convert_int_to_ascii) (decode_M_packet): Likewise. * target.c (read_inferior_memory, write_inferior_memory): Likewise. * target.h (struct target_ops): Update read_memory, write_memory, and read_auxv. (read_inferior_memory, write_inferior_memory): Update. * linux-low.h (struct linux_target_ops): Change type of breakpoint to unsigned char *. * linux-arm-low.c, linux-cris-low.c, linux-crisv32-low.c, linux-i386-low.c, linux-m32r-low.c, linux-m68k-low.c, linux-mips-low.c, linux-ppc-low.c, linux-ppc64-low.c, linux-s390-low.c, linux-sh-low.c: Update for changes in read_inferior_memory and the_low_target->breakpoint.
2005-06-13 03:59:22 +02:00
write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
int len)
2002-06-11 Daniel Jacobowitz <drow@mvista.com> * gdbserver/thread-db.c: New file. * gdbserver/proc-service.c: New file. * gdbserver/acinclude.m4: New file. * gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h, proc-service.o, and thread-db.o. (linux-low.o): Add USE_THREAD_DB. * gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T, HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN. * gdbserver/aclocal.m4: Regenerated. * gdbserver/config.in: Regenerated. * gdbserver/configure: Regenerated. * gdbserver/configure.in: Check for proc_service.h, sys/procfs.h, thread_db.h, and linux/elf.h headrs. Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and PRFPREGSET_T_BROKEN. Introduce srv_thread_depfiles and USE_THREAD_DB. Check for -lthread_db and thread support. * gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS, PowerPC, and SuperH. * gdbserver/i387-fp.c: Constify arguments. * gdbserver/i387-fp.h: Likewise. * gdbserver/inferiors.c: (struct thread_info): Renamed from `struct inferior_info'. Remove PID member. Use generic inferior list header. All uses updated. (inferiors, signal_pid): Removed. (all_threads): New variable. (get_thread): Define. (add_inferior_to_list): New function. (for_each_inferior): New function. (change_inferior_id): New function. (add_inferior): Removed. (remove_inferior): New function. (add_thread): New function. (free_one_thread): New function. (remove_thread): New function. (clear_inferiors): Use for_each_inferior and free_one_thread. (find_inferior): New function. (find_inferior_id): New function. (inferior_target_data): Update argument type. (set_inferior_target_data): Likewise. (inferior_regcache_data): Likewise. (set_inferior_regcache_data): Likewise. * gdbserver/linux-low.c (linux_bp_reinsert): Remove. (all_processes, stopping_threads, using_thrads) (struct pending_signals, debug_threads, pid_of): New. (inferior_pid): Replace with macro. (struct inferior_linux_data): Remove. (get_stop_pc, add_process): New functions. (linux_create_inferior): Restore SIGRTMIN+1 before calling exec. Use add_process and add_thread. (linux_attach_lwp): New function, based on old linux_attach. Use add_process and add_thread. Set stop_expected for new threads. (linux_attach): New function. (linux_kill_one_process): New function. (linux_kill): Kill all LWPs. (linux_thread_alive): Use find_inferior_id. (check_removed_breakpoints, status_pending_p): New functions. (linux_wait_for_process): Renamed from linux_wait_for_one_inferior. Update. Use WNOHANG. Wait for cloned processes also. Update process struct for the found process. (linux_wait_for_event): New function. (linux_wait): Use it. Support LWPs. (send_sigstop, wait_for_sigstop, stop_all_processes) (linux_resume_one_process, linux_continue_one_process): New functions. (linux_resume): Support LWPs. (REGISTER_RAW_SIZE): Remove. (fetch_register): Use register_size instead. Call supply_register. (usr_store_inferior_registers): Likewise. Call collect_register. Fix recursive case. (regsets_fetch_inferior_registers): Improve error message. (regsets_store_inferior_registers): Add debugging. (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB. (unstopped_p, linux_signal_pid): New functions. (linux_target_ops): Add linux_signal_pid. (linux_init_signals): New function. (initialize_low): Call it. Initialize using_threads. * gdbserver/regcache.c (inferior_regcache_data): Add valid flag. (get_regcache): Fetch registers lazily. Add fetch argument and update all callers. (regcache_invalidate_one, regcache_invalidate): New functions. (new_register_cache): Renamed from create_register_cache. Return the new regcache. (free_register_cache): Change argument to a void *. (registers_to_string, registers_from_string): Call get_regcache with fetch flag set. (register_data): Make static. Pass fetch flag to get_regcache. (supply_register): Call get_regcache with fetch flag clear. (collect_register): Call get_regcache with fetch flag set. (collect_register_as_string): New function. * gdbserver/regcache.h: Update. * gdbserver/remote-utils.c (putpkt): Flush after debug output and use stderr. Handle input interrupts while waiting for an ACK. (input_interrupt): Use signal_pid method. (getpkt): Flush after debug output and use stderr. (outreg): Use collect_register_as_string. (new_thread_notify, dead_thread_notify): New functions. (prepare_resume_reply): Check using_threads. Set thread_from_wait and general_thread. (look_up_one_symbol): Flush after debug output. * gdbserver/server.c (step_thread, server_waiting): New variables. (start_inferior): Don't use signal_pid. Update call to mywait. (attach_inferior): Update call to mywait. (handle_query): Handle qfThreadInfo and qsThreadInfo. (main): Don't fetch/store registers explicitly. Use set_desired_inferior. Support proposed ``Hs'' packet. Update calls to mywait. * gdbserver/server.h: Update. (struct inferior_list, struct_inferior_list_entry): New. * gdbserver/target.c (set_desired_inferior): New. (write_inferior_memory): Constify. (mywait): New function. * gdbserver/target.h: Update. (struct target_ops): New signal_pid method. (mywait): Removed macro, added prototype. * gdbserver/linux-low.h (regset_func): Removed. (regset_fill_func, regset_store_func): New. (enum regset_type): New. (struct regset_info): Add type field. Use new operation types. (struct linux_target_ops): stop_pc renamed to get_pc. Add decr_pc_after_break and breakpoint_at. (get_process, get_thread_proess, get_process_thread) (strut process_info, all_processes, linux_attach_lwp) (thread_db_init): New. * gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc, arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset) (i386_store_fpxregset): Constify. (target_regsets): Add new kind identifier. (i386_get_pc): Renamed from i386_stop_pc. Simplify. (i386_set_pc): Add debugging. (i386_breakpoint_at): New function. (the_low_target): Add new members. * gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc) (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr) (mips_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc) (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc) (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-x86-64-low.c (target_regsets): Add new kind identifier.
2002-06-11 19:32:40 +02:00
{
/* Lacking cleanups, there is some potential for a memory leak if the
write fails and we go through error(). Make sure that no more than
one buffer is ever pending by making BUFFER static. */
* acconfig.h: Remove. * configure.ac: Add a test for socklen_t. Use three-argument AC_DEFINE throughout. * config.in: Regenerated using autoheader 2.59. * configure: Regenerated. * gdbreplay.c (socklen_t): Provide a default. (remote_open): Use socklen_t. * remote-utils.c (socklen_t): Provide a default. (remote_open): Use socklen_t. (convert_int_to_ascii, convert_ascii_to_int, decode_M_packet): Use unsigned char. * i387-fp.c (struct i387_fsave, struct i387_fxsave): Use unsigned char for buffers. * linux-low.c (linux_read_memory, linux_write_memory) (linux_read_auxv): Likewise. * mem-break.c (breakpoint_data, set_breakpoint_data, check_mem_read) (check_mem_write): Likewise. * mem-break.h (set_breakpoint_data, check_mem_read, check_mem_write): Likewise. * regcache.c (struct inferior_rgcache_data, registers_to_string) (registers_from_string, register_data): Likewise. * server.c (handle_query, main): Likewise. * server.h (convert_ascii_to_int, convert_int_to_ascii) (decode_M_packet): Likewise. * target.c (read_inferior_memory, write_inferior_memory): Likewise. * target.h (struct target_ops): Update read_memory, write_memory, and read_auxv. (read_inferior_memory, write_inferior_memory): Update. * linux-low.h (struct linux_target_ops): Change type of breakpoint to unsigned char *. * linux-arm-low.c, linux-cris-low.c, linux-crisv32-low.c, linux-i386-low.c, linux-m32r-low.c, linux-m68k-low.c, linux-mips-low.c, linux-ppc-low.c, linux-ppc64-low.c, linux-s390-low.c, linux-sh-low.c: Update for changes in read_inferior_memory and the_low_target->breakpoint.
2005-06-13 03:59:22 +02:00
static unsigned char *buffer = 0;
2002-06-11 Daniel Jacobowitz <drow@mvista.com> * gdbserver/thread-db.c: New file. * gdbserver/proc-service.c: New file. * gdbserver/acinclude.m4: New file. * gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h, proc-service.o, and thread-db.o. (linux-low.o): Add USE_THREAD_DB. * gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T, HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN. * gdbserver/aclocal.m4: Regenerated. * gdbserver/config.in: Regenerated. * gdbserver/configure: Regenerated. * gdbserver/configure.in: Check for proc_service.h, sys/procfs.h, thread_db.h, and linux/elf.h headrs. Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and PRFPREGSET_T_BROKEN. Introduce srv_thread_depfiles and USE_THREAD_DB. Check for -lthread_db and thread support. * gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS, PowerPC, and SuperH. * gdbserver/i387-fp.c: Constify arguments. * gdbserver/i387-fp.h: Likewise. * gdbserver/inferiors.c: (struct thread_info): Renamed from `struct inferior_info'. Remove PID member. Use generic inferior list header. All uses updated. (inferiors, signal_pid): Removed. (all_threads): New variable. (get_thread): Define. (add_inferior_to_list): New function. (for_each_inferior): New function. (change_inferior_id): New function. (add_inferior): Removed. (remove_inferior): New function. (add_thread): New function. (free_one_thread): New function. (remove_thread): New function. (clear_inferiors): Use for_each_inferior and free_one_thread. (find_inferior): New function. (find_inferior_id): New function. (inferior_target_data): Update argument type. (set_inferior_target_data): Likewise. (inferior_regcache_data): Likewise. (set_inferior_regcache_data): Likewise. * gdbserver/linux-low.c (linux_bp_reinsert): Remove. (all_processes, stopping_threads, using_thrads) (struct pending_signals, debug_threads, pid_of): New. (inferior_pid): Replace with macro. (struct inferior_linux_data): Remove. (get_stop_pc, add_process): New functions. (linux_create_inferior): Restore SIGRTMIN+1 before calling exec. Use add_process and add_thread. (linux_attach_lwp): New function, based on old linux_attach. Use add_process and add_thread. Set stop_expected for new threads. (linux_attach): New function. (linux_kill_one_process): New function. (linux_kill): Kill all LWPs. (linux_thread_alive): Use find_inferior_id. (check_removed_breakpoints, status_pending_p): New functions. (linux_wait_for_process): Renamed from linux_wait_for_one_inferior. Update. Use WNOHANG. Wait for cloned processes also. Update process struct for the found process. (linux_wait_for_event): New function. (linux_wait): Use it. Support LWPs. (send_sigstop, wait_for_sigstop, stop_all_processes) (linux_resume_one_process, linux_continue_one_process): New functions. (linux_resume): Support LWPs. (REGISTER_RAW_SIZE): Remove. (fetch_register): Use register_size instead. Call supply_register. (usr_store_inferior_registers): Likewise. Call collect_register. Fix recursive case. (regsets_fetch_inferior_registers): Improve error message. (regsets_store_inferior_registers): Add debugging. (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB. (unstopped_p, linux_signal_pid): New functions. (linux_target_ops): Add linux_signal_pid. (linux_init_signals): New function. (initialize_low): Call it. Initialize using_threads. * gdbserver/regcache.c (inferior_regcache_data): Add valid flag. (get_regcache): Fetch registers lazily. Add fetch argument and update all callers. (regcache_invalidate_one, regcache_invalidate): New functions. (new_register_cache): Renamed from create_register_cache. Return the new regcache. (free_register_cache): Change argument to a void *. (registers_to_string, registers_from_string): Call get_regcache with fetch flag set. (register_data): Make static. Pass fetch flag to get_regcache. (supply_register): Call get_regcache with fetch flag clear. (collect_register): Call get_regcache with fetch flag set. (collect_register_as_string): New function. * gdbserver/regcache.h: Update. * gdbserver/remote-utils.c (putpkt): Flush after debug output and use stderr. Handle input interrupts while waiting for an ACK. (input_interrupt): Use signal_pid method. (getpkt): Flush after debug output and use stderr. (outreg): Use collect_register_as_string. (new_thread_notify, dead_thread_notify): New functions. (prepare_resume_reply): Check using_threads. Set thread_from_wait and general_thread. (look_up_one_symbol): Flush after debug output. * gdbserver/server.c (step_thread, server_waiting): New variables. (start_inferior): Don't use signal_pid. Update call to mywait. (attach_inferior): Update call to mywait. (handle_query): Handle qfThreadInfo and qsThreadInfo. (main): Don't fetch/store registers explicitly. Use set_desired_inferior. Support proposed ``Hs'' packet. Update calls to mywait. * gdbserver/server.h: Update. (struct inferior_list, struct_inferior_list_entry): New. * gdbserver/target.c (set_desired_inferior): New. (write_inferior_memory): Constify. (mywait): New function. * gdbserver/target.h: Update. (struct target_ops): New signal_pid method. (mywait): Removed macro, added prototype. * gdbserver/linux-low.h (regset_func): Removed. (regset_fill_func, regset_store_func): New. (enum regset_type): New. (struct regset_info): Add type field. Use new operation types. (struct linux_target_ops): stop_pc renamed to get_pc. Add decr_pc_after_break and breakpoint_at. (get_process, get_thread_proess, get_process_thread) (strut process_info, all_processes, linux_attach_lwp) (thread_db_init): New. * gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc, arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset) (i386_store_fpxregset): Constify. (target_regsets): Add new kind identifier. (i386_get_pc): Renamed from i386_stop_pc. Simplify. (i386_set_pc): Add debugging. (i386_breakpoint_at): New function. (the_low_target): Add new members. * gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc) (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr) (mips_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc) (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc) (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-x86-64-low.c (target_regsets): Add new kind identifier.
2002-06-11 19:32:40 +02:00
int res;
if (buffer != NULL)
free (buffer);
buffer = xmalloc (len);
2002-06-11 Daniel Jacobowitz <drow@mvista.com> * gdbserver/thread-db.c: New file. * gdbserver/proc-service.c: New file. * gdbserver/acinclude.m4: New file. * gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h, proc-service.o, and thread-db.o. (linux-low.o): Add USE_THREAD_DB. * gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T, HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN. * gdbserver/aclocal.m4: Regenerated. * gdbserver/config.in: Regenerated. * gdbserver/configure: Regenerated. * gdbserver/configure.in: Check for proc_service.h, sys/procfs.h, thread_db.h, and linux/elf.h headrs. Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and PRFPREGSET_T_BROKEN. Introduce srv_thread_depfiles and USE_THREAD_DB. Check for -lthread_db and thread support. * gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS, PowerPC, and SuperH. * gdbserver/i387-fp.c: Constify arguments. * gdbserver/i387-fp.h: Likewise. * gdbserver/inferiors.c: (struct thread_info): Renamed from `struct inferior_info'. Remove PID member. Use generic inferior list header. All uses updated. (inferiors, signal_pid): Removed. (all_threads): New variable. (get_thread): Define. (add_inferior_to_list): New function. (for_each_inferior): New function. (change_inferior_id): New function. (add_inferior): Removed. (remove_inferior): New function. (add_thread): New function. (free_one_thread): New function. (remove_thread): New function. (clear_inferiors): Use for_each_inferior and free_one_thread. (find_inferior): New function. (find_inferior_id): New function. (inferior_target_data): Update argument type. (set_inferior_target_data): Likewise. (inferior_regcache_data): Likewise. (set_inferior_regcache_data): Likewise. * gdbserver/linux-low.c (linux_bp_reinsert): Remove. (all_processes, stopping_threads, using_thrads) (struct pending_signals, debug_threads, pid_of): New. (inferior_pid): Replace with macro. (struct inferior_linux_data): Remove. (get_stop_pc, add_process): New functions. (linux_create_inferior): Restore SIGRTMIN+1 before calling exec. Use add_process and add_thread. (linux_attach_lwp): New function, based on old linux_attach. Use add_process and add_thread. Set stop_expected for new threads. (linux_attach): New function. (linux_kill_one_process): New function. (linux_kill): Kill all LWPs. (linux_thread_alive): Use find_inferior_id. (check_removed_breakpoints, status_pending_p): New functions. (linux_wait_for_process): Renamed from linux_wait_for_one_inferior. Update. Use WNOHANG. Wait for cloned processes also. Update process struct for the found process. (linux_wait_for_event): New function. (linux_wait): Use it. Support LWPs. (send_sigstop, wait_for_sigstop, stop_all_processes) (linux_resume_one_process, linux_continue_one_process): New functions. (linux_resume): Support LWPs. (REGISTER_RAW_SIZE): Remove. (fetch_register): Use register_size instead. Call supply_register. (usr_store_inferior_registers): Likewise. Call collect_register. Fix recursive case. (regsets_fetch_inferior_registers): Improve error message. (regsets_store_inferior_registers): Add debugging. (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB. (unstopped_p, linux_signal_pid): New functions. (linux_target_ops): Add linux_signal_pid. (linux_init_signals): New function. (initialize_low): Call it. Initialize using_threads. * gdbserver/regcache.c (inferior_regcache_data): Add valid flag. (get_regcache): Fetch registers lazily. Add fetch argument and update all callers. (regcache_invalidate_one, regcache_invalidate): New functions. (new_register_cache): Renamed from create_register_cache. Return the new regcache. (free_register_cache): Change argument to a void *. (registers_to_string, registers_from_string): Call get_regcache with fetch flag set. (register_data): Make static. Pass fetch flag to get_regcache. (supply_register): Call get_regcache with fetch flag clear. (collect_register): Call get_regcache with fetch flag set. (collect_register_as_string): New function. * gdbserver/regcache.h: Update. * gdbserver/remote-utils.c (putpkt): Flush after debug output and use stderr. Handle input interrupts while waiting for an ACK. (input_interrupt): Use signal_pid method. (getpkt): Flush after debug output and use stderr. (outreg): Use collect_register_as_string. (new_thread_notify, dead_thread_notify): New functions. (prepare_resume_reply): Check using_threads. Set thread_from_wait and general_thread. (look_up_one_symbol): Flush after debug output. * gdbserver/server.c (step_thread, server_waiting): New variables. (start_inferior): Don't use signal_pid. Update call to mywait. (attach_inferior): Update call to mywait. (handle_query): Handle qfThreadInfo and qsThreadInfo. (main): Don't fetch/store registers explicitly. Use set_desired_inferior. Support proposed ``Hs'' packet. Update calls to mywait. * gdbserver/server.h: Update. (struct inferior_list, struct_inferior_list_entry): New. * gdbserver/target.c (set_desired_inferior): New. (write_inferior_memory): Constify. (mywait): New function. * gdbserver/target.h: Update. (struct target_ops): New signal_pid method. (mywait): Removed macro, added prototype. * gdbserver/linux-low.h (regset_func): Removed. (regset_fill_func, regset_store_func): New. (enum regset_type): New. (struct regset_info): Add type field. Use new operation types. (struct linux_target_ops): stop_pc renamed to get_pc. Add decr_pc_after_break and breakpoint_at. (get_process, get_thread_proess, get_process_thread) (strut process_info, all_processes, linux_attach_lwp) (thread_db_init): New. * gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc, arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset) (i386_store_fpxregset): Constify. (target_regsets): Add new kind identifier. (i386_get_pc): Renamed from i386_stop_pc. Simplify. (i386_set_pc): Add debugging. (i386_breakpoint_at): New function. (the_low_target): Add new members. * gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc) (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr) (mips_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc) (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc) (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-x86-64-low.c (target_regsets): Add new kind identifier.
2002-06-11 19:32:40 +02:00
memcpy (buffer, myaddr, len);
check_mem_write (memaddr, buffer, len);
res = (*the_target->write_memory) (memaddr, buffer, len);
free (buffer);
buffer = NULL;
return res;
}
2009-04-01 Pedro Alves <pedro@codesourcery.com> Implement the multiprocess extensions, and add linux multiprocess support. * server.h (ULONGEST): Declare. (struct ptid, ptid_t): New. (minus_one_ptid, null_ptid): Declare. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): Declare. (struct inferior_list_entry): Change `id' type from unsigned from to ptid_t. (struct sym_cache, struct breakpoint, struct process_info_private): Forward declare. (struct process_info): Declare. (current_process): Declare. (all_processes): Declare. (initialize_inferiors): Declare. (add_thread): Adjust to use ptid_t. (thread_id_to_gdb_id, thread_to_gdb_id, gdb_id_to_thread_id): Ditto. (add_process, remove_process, find_thread_pid): Declare. (find_inferior_id): Adjust to use ptid_t. (cont_thread, general_thread, step_thread): Change type to ptid_t. (multi_process): Declare. (push_event): Adjust to use ptid_t. (read_ptid, write_ptid): Declare. (prepare_resume_reply): Adjust to use ptid_t. (clear_symbol_cache): Declare. * inferiors.c (all_processes): New. (null_ptid, minus_one_ptid): New. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): New. (add_thread): Change unsigned long to ptid. Remove gdb_id parameter. Adjust. (thread_id_to_gdb_id, thread_to_gdb_id): Change unsigned long to ptid. (gdb_id_to_thread): Rename to ... (find_thread_pid): ... this. Change unsigned long to ptid. (gdb_id_to_thread_id, find_inferior_id): Change unsigned long to ptid. (loaded_dll, pull_pid_from_list): Adjust. (add_process, remove_process, find_process_pid) (get_thread_process, current_process, initialize_inferiors): New. * target.h (struct thread_resume) <thread>: Change type to ptid_t. (struct target_waitstatus) <related_pid>: Ditto. (struct target_ops) <kill, detach>: Add `pid' argument. Change return type to int. (struct target_ops) <join>: Add `pid' argument. (struct target_ops) <thread_alive>: Change pid's type to ptid_t. (struct target_ops) <wait>: Add `ptid' field. Change return type to ptid. (kill_inferior, detach_inferior, join_inferior): Add `pid' argument. (mywait): Add `ptid' argument. Change return type to ptid_t. (target_pid_to_str): Declare. * target.c (set_desired_inferior): Adjust to use ptids. (mywait): Add new `ptid' argument. Adjust. (target_pid_to_str): New. * mem-break.h (free_all_breakpoints): Declare. * mem-break.c (breakpoints): Delelete. (set_breakpoint_at, delete_breakpoint, find_breakpoint_at) (check_mem_read, check_mem_write, delete_all_breakpoints): Adjust to use per-process breakpoint list. (free_all_breakpoints): New. * remote-utils.c (struct sym_cache) <name>: Drop `const'. (symbol_cache, all_symbols_looked_up): Delete. (hexchars): New. (ishex, unpack_varlen_hex, write_ptid, hex_or_minus_one, read_ptid): New. (prepare_resume_reply): Change ptid argument's type from unsigned long to ptid_t. Adjust. Implement W;process and X;process. (free_sym_cache, clear_symbol_cache): New. (look_up_one_symbol): Adjust to per-process symbol cache. * * server.c (cont_thread, general_thread, step_thread): Change type to ptid_t. (attached): Delete. (multi_process): New. (last_ptid): Change type to ptid_t. (struct vstop_notif) <ptid>: Change type to ptid_t. (queue_stop_reply, push_event): Change `ptid' argument's type to ptid_t. (discard_queued_stop_replies): Add `pid' argument. (start_inferior): Adjust to use ptids. Adjust to mywait interface changes. Don't reference the `attached' global. (attach_inferior): Adjust to mywait interface changes. (handle_query): Adjust to use ptids. Parse GDB's qSupported features. Handle and report "multiprocess+". Handle "qAttached:PID". (handle_v_cont): Adjust to use ptids. Adjust to mywait interface changes. (handle_v_kill): New. (handle_v_stopped): Adjust to use target_pid_to_str. (handle_v_requests): Allow multiple attaches and runs when multiprocess extensions are in effect. Handle "vKill". (myresume): Adjust to use ptids. (queue_stop_reply_callback): Add `arg' parameter. Handle it. (handle_status): Adjust to discard_queued_stop_replies interface change. (first_thread_of, kill_inferior_callback) (detach_or_kill_inferior_callback, join_inferiors_callback): New. (main): Call initialize_inferiors. Adjust to use ptids, killing and detaching from all inferiors. Handle multiprocess packet variants. * linux-low.h: Include gdb_proc_service.h. (struct process_info_private): New. (struct linux_target_ops) <pid_of>: Use ptid_get_pid. <lwpid_of>: Use ptid_get_lwp. (get_lwp_thread): Adjust. (struct lwp_info): Add `dead' member. (find_lwp_pid): Declare. * linux-low.c (thread_db_active): Delete. (new_inferior): Adjust comment. (inferior_pid): Delete. (linux_add_process): New. (handle_extended_wait): Adjust. (add_lwp): Change unsigned long to ptid. (linux_create_inferior): Add process to processes table. Adjust to use ptids. Don't set new_inferior here. (linux_attach_lwp): Rename to ... (linux_attach_lwp_1): ... this. Add `initial' argument. Handle it. Adjust to use ptids. (linux_attach_lwp): New. (linux_attach): Add process to processes table. Don't set new_inferior here. (struct counter): New. (second_thread_of_pid_p, last_thread_of_process_p): New. (linux_kill_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (linux_kill): Add `pid' argument. Handle it. Adjust to multiple processes. Remove process from process table. (linux_detach_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (any_thread_of): New. (linux_detach): Add `pid' argument, and handle it. Remove process from processes table. (linux_join): Add `pid' argument. Handle it. (linux_thread_alive): Change unsighed long argument to ptid_t. Consider dead lwps as not being alive. (status_pending_p): Rename `dummy' argument to `arg'. Filter out threads we're not interested in. (same_lwp, find_lwp_pid): New. (linux_wait_for_lwp): Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): Rename to ... (linux_wait_for_event_1): ... this. Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): New. (linux_wait_1): Add `ptid' argument. Change return type to ptid_t. Adjust. Use last_thread_of_process_p. Remove processes that exit from the process table. (linux_wait): Add `ptid' argument. Change return type to ptid_t. Adjust. (mark_lwp_dead): New. (wait_for_sigstop): Adjust to use ptids. If a process exits while stopping all threads, mark its main lwp as dead. (linux_set_resume_request, linux_resume_one_thread): Adjust to use ptids. (fetch_register, usr_store_inferior_registers) (regsets_fetch_inferior_registers) (regsets_store_inferior_registers, linux_read_memory) (linux_write_memory): Inline `inferior_pid'. (linux_look_up_symbols): Adjust to use per-process `thread_db_active'. (linux_request_interrupt): Adjust to use ptids. (linux_read_auxv): Inline `inferior_pid'. (initialize_low): Don't reference thread_db_active. * gdb_proc_service.h (struct ps_prochandle) <pid>: Remove. * proc-service.c (ps_lgetregs): Use find_lwp_pid. (ps_getpid): Return the pid of the current inferior. * thread-db.c (proc_handle, thread_agent): Delete. (thread_db_create_event, thread_db_enable_reporting): Adjust to per-process data. (find_one_thread): Change argument type to ptid_t. Adjust to per-process data. (maybe_attach_thread): Adjust to per-process data and ptids. (thread_db_find_new_threads): Ditto. (thread_db_init): Ditto. * spu-low.c (spu_create_inferior, spu_attach): Add process to processes table. Adjust to use ptids. (spu_kill, spu_detach): Adjust interface. Remove process from processes table. (spu_join, spu_thread_alive): Adjust interface. (spu_wait): Adjust interface. Remove process from processes table. Adjust to use ptids. * win32-low.c (current_inferior_tid): Delete. (current_inferior_ptid): New. (debug_event_ptid): New. (thread_rec): Take a ptid. Adjust. (child_add_thread): Add `pid' argument. Adjust to use ptids. (child_delete_thread): Ditto. (do_initial_child_stuff): Add `attached' argument. Add process to processes table. (child_fetch_inferior_registers, child_store_inferior_registers): Adjust. (win32_create_inferior): Pass 0 to do_initial_child_stuff. (win32_attach): Pass 1 to do_initial_child_stuff. (win32_kill): Adjust interface. Remove process from processes table. (win32_detach): Ditto. (win32_join): Adjust interface. (win32_thread_alive): Take a ptid. (win32_resume): Adjust to use ptids. (get_child_debug_event): Ditto. (win32_wait): Adjust interface. Remove exiting process from processes table.
2009-04-02 00:50:24 +02:00
ptid_t
mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options,
Non-stop mode support. * server.h (non_stop): Declare. (gdb_client_data, handler_func): Declare. (delete_file_handler, add_file_handler, start_event_loop): Declare. (handle_serial_event, handle_target_event, push_event) (putpkt_notif): Declare. * target.h (enum resume_kind): New. (struct thread_resume): Replace `step' field by `kind' field. (TARGET_WNOHANG): Define. (struct target_ops) <wait>: Add `options' argument. <supports_non_stop, async, start_non_stop>: New fields. (target_supports_non_stop, target_async): New. (start_non_stop): Declare. (mywait): Add `options' argument. * target.c (mywait): Add `options' argument. Print child exit notifications here. (start_non_stop): New. * server.c (non_stop, own_buf, mem_buf): New globals. (struct vstop_notif): New. (notif_queue): New global. (queue_stop_reply, push_event, discard_queued_stop_replies) (send_next_stop_reply): New. (start_inferior): Adjust to use resume_kind. Adjust to mywait interface changes. (attach_inferior): In non-stop mode, don't wait for the target here. (handle_general_set): Handle QNonStop. (handle_query): When handling qC, return the current general thread, instead of the first thread of the list. (handle_query): If the backend supports non-stop mode, include QNonStop+ in the qSupported query response. (handle_v_cont): Adjust to use resume_kind. Handle resume_stop and non-stop mode. (handle_v_attach, handle_v_run): Handle non-stop mode. (handle_v_stopped): New. (handle_v_requests): Report support for vCont;t. Handle vStopped. (myresume): Adjust to use resume_kind. Handle non-stop. (queue_stop_reply_callback): New. (handle_status): Handle non-stop mode. (main): Clear non_stop flag on reconnection. Use the event-loop. Refactor serial protocol handling from here ... (process_serial_event): ... to this new function. When GDB selects any thread, select one here. In non-stop mode, wait until GDB acks all pending events before exiting. (handle_serial_event, handle_target_event): New. * remote-utils.c (remote_open): Install remote_desc in the event loop. (remote_close): Remove remote_desc from the event loop. (putpkt_binary): Rename to... (putpkt_binary_1): ... this. Add `is_notic' argument. Handle it. (putpkt_binary): New as wrapper around putpkt_binary_1. (putpkt_notif): New. (prepare_resume_reply): In non-stop mode, don't change the general_thread. * event-loop.c: New. * Makefile.in (OBJ): Add event-loop.o. (event-loop.o): New rule. * linux-low.h (pid_of): Moved here. (lwpid_of): New. (get_lwp_thread): Use lwpid_of. (struct lwp_info): Delete `lwpid' field. Add `suspended' field. * linux-low.c (pid_of): Delete. (inferior_pid): Use lwpid_of. (linux_event_pipe): New. (target_is_async_p): New. (delete_lwp): New. (handle_extended_wait): Use lwpid_of. (add_lwp): Don't set lwpid field. (linux_attach_lwp): Adjust debug output. Use lwpid_of. (linux_kill_one_lwp): If killing a running lwp, stop it first. Use lwpid_of. Adjust to linux_wait_for_event interface changes. (linux_detach_one_lwp): If detaching from a running lwp, stop it first. Adjust to linux_wait_for_event interface changes. Use lwpid_of. (linux_detach): Don't delete the main lwp here. (linux_join): Use my_waitpid. Avoid signal_pid. Use lwpid_of. (status_pending_p): Don't consider explicitly suspended lwps. (linux_wait_for_lwp): Take an integer pid instead of a lwp_info pointer. Add OPTIONS argument. Change return type to int. Use my_waitpid instead of sleeping. Handle WNOHANG. Use lwpid_of. (linux_wait_for_event): Take an integer pid instead of a lwp_info pointer. Add status pointer argument. Return a pid instead of a status. Use lwpid_of. Adjust to linux_wait_for_lwp interface changes. In non-stop mode, don't switch to a random thread. (linux_wait): Rename to... (linux_wait_1): ... this. Add target_options argument, and handle it. Adjust to use resume_kind. Use lwpid_of. In non-stop mode, don't handle the continue thread. Handle TARGET_WNOHANG. Merge clean exit and signal exit code. Don't stop all threads in non-stop mode. In all-stop mode, only stop all threads when reporting a stop to GDB. Handle explicit thread stop requests. (async_file_flush, async_file_mark): New. (linux_wait): New. (send_sigstop): Use lwpid_of. (wait_for_sigstop): Use lwpid_of. Adjust to linux_wait_for_event interface changes. In non-stop mode, don't switch to a random thread. (linux_resume_one_lwp): Use lwpid_of. (linux_continue_one_thread, linux_queue_one_thread): Merge into ... (linux_resume_one_thread): ... this. Handle resume_stop. In non-stop mode, don't look for pending flag in all threads. (resume_status_pending_p): Don't consider explicitly suspended threads. (my_waitpid): Reimplement. Emulate __WALL. (linux_request_interrupt, linux_read_offsets, linux_xfer_siginfo): Use lwpid_of. (sigchld_handler, linux_supports_non_stop, linux_async) (linux_start_non_stop): New. (linux_target_ops): Register linux_supports_non_stop, linux_async and linux_start_non_stop. (initialize_low): Install SIGCHLD handler. * thread-db.c (thread_db_create_event, find_one_thread) (thread_db_get_tls_address): Use lwpid_of. * win32-low.c (win32_detach): Adjust to use resume_kind. (win32_wait): Add `options' argument. * spu-low.c (spu_resume): Adjust to use resume_kind. (spu_wait): Add `options' argument.
2009-04-02 00:48:05 +02:00
int connected_wait)
{
2009-04-01 Pedro Alves <pedro@codesourcery.com> Implement the multiprocess extensions, and add linux multiprocess support. * server.h (ULONGEST): Declare. (struct ptid, ptid_t): New. (minus_one_ptid, null_ptid): Declare. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): Declare. (struct inferior_list_entry): Change `id' type from unsigned from to ptid_t. (struct sym_cache, struct breakpoint, struct process_info_private): Forward declare. (struct process_info): Declare. (current_process): Declare. (all_processes): Declare. (initialize_inferiors): Declare. (add_thread): Adjust to use ptid_t. (thread_id_to_gdb_id, thread_to_gdb_id, gdb_id_to_thread_id): Ditto. (add_process, remove_process, find_thread_pid): Declare. (find_inferior_id): Adjust to use ptid_t. (cont_thread, general_thread, step_thread): Change type to ptid_t. (multi_process): Declare. (push_event): Adjust to use ptid_t. (read_ptid, write_ptid): Declare. (prepare_resume_reply): Adjust to use ptid_t. (clear_symbol_cache): Declare. * inferiors.c (all_processes): New. (null_ptid, minus_one_ptid): New. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): New. (add_thread): Change unsigned long to ptid. Remove gdb_id parameter. Adjust. (thread_id_to_gdb_id, thread_to_gdb_id): Change unsigned long to ptid. (gdb_id_to_thread): Rename to ... (find_thread_pid): ... this. Change unsigned long to ptid. (gdb_id_to_thread_id, find_inferior_id): Change unsigned long to ptid. (loaded_dll, pull_pid_from_list): Adjust. (add_process, remove_process, find_process_pid) (get_thread_process, current_process, initialize_inferiors): New. * target.h (struct thread_resume) <thread>: Change type to ptid_t. (struct target_waitstatus) <related_pid>: Ditto. (struct target_ops) <kill, detach>: Add `pid' argument. Change return type to int. (struct target_ops) <join>: Add `pid' argument. (struct target_ops) <thread_alive>: Change pid's type to ptid_t. (struct target_ops) <wait>: Add `ptid' field. Change return type to ptid. (kill_inferior, detach_inferior, join_inferior): Add `pid' argument. (mywait): Add `ptid' argument. Change return type to ptid_t. (target_pid_to_str): Declare. * target.c (set_desired_inferior): Adjust to use ptids. (mywait): Add new `ptid' argument. Adjust. (target_pid_to_str): New. * mem-break.h (free_all_breakpoints): Declare. * mem-break.c (breakpoints): Delelete. (set_breakpoint_at, delete_breakpoint, find_breakpoint_at) (check_mem_read, check_mem_write, delete_all_breakpoints): Adjust to use per-process breakpoint list. (free_all_breakpoints): New. * remote-utils.c (struct sym_cache) <name>: Drop `const'. (symbol_cache, all_symbols_looked_up): Delete. (hexchars): New. (ishex, unpack_varlen_hex, write_ptid, hex_or_minus_one, read_ptid): New. (prepare_resume_reply): Change ptid argument's type from unsigned long to ptid_t. Adjust. Implement W;process and X;process. (free_sym_cache, clear_symbol_cache): New. (look_up_one_symbol): Adjust to per-process symbol cache. * * server.c (cont_thread, general_thread, step_thread): Change type to ptid_t. (attached): Delete. (multi_process): New. (last_ptid): Change type to ptid_t. (struct vstop_notif) <ptid>: Change type to ptid_t. (queue_stop_reply, push_event): Change `ptid' argument's type to ptid_t. (discard_queued_stop_replies): Add `pid' argument. (start_inferior): Adjust to use ptids. Adjust to mywait interface changes. Don't reference the `attached' global. (attach_inferior): Adjust to mywait interface changes. (handle_query): Adjust to use ptids. Parse GDB's qSupported features. Handle and report "multiprocess+". Handle "qAttached:PID". (handle_v_cont): Adjust to use ptids. Adjust to mywait interface changes. (handle_v_kill): New. (handle_v_stopped): Adjust to use target_pid_to_str. (handle_v_requests): Allow multiple attaches and runs when multiprocess extensions are in effect. Handle "vKill". (myresume): Adjust to use ptids. (queue_stop_reply_callback): Add `arg' parameter. Handle it. (handle_status): Adjust to discard_queued_stop_replies interface change. (first_thread_of, kill_inferior_callback) (detach_or_kill_inferior_callback, join_inferiors_callback): New. (main): Call initialize_inferiors. Adjust to use ptids, killing and detaching from all inferiors. Handle multiprocess packet variants. * linux-low.h: Include gdb_proc_service.h. (struct process_info_private): New. (struct linux_target_ops) <pid_of>: Use ptid_get_pid. <lwpid_of>: Use ptid_get_lwp. (get_lwp_thread): Adjust. (struct lwp_info): Add `dead' member. (find_lwp_pid): Declare. * linux-low.c (thread_db_active): Delete. (new_inferior): Adjust comment. (inferior_pid): Delete. (linux_add_process): New. (handle_extended_wait): Adjust. (add_lwp): Change unsigned long to ptid. (linux_create_inferior): Add process to processes table. Adjust to use ptids. Don't set new_inferior here. (linux_attach_lwp): Rename to ... (linux_attach_lwp_1): ... this. Add `initial' argument. Handle it. Adjust to use ptids. (linux_attach_lwp): New. (linux_attach): Add process to processes table. Don't set new_inferior here. (struct counter): New. (second_thread_of_pid_p, last_thread_of_process_p): New. (linux_kill_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (linux_kill): Add `pid' argument. Handle it. Adjust to multiple processes. Remove process from process table. (linux_detach_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (any_thread_of): New. (linux_detach): Add `pid' argument, and handle it. Remove process from processes table. (linux_join): Add `pid' argument. Handle it. (linux_thread_alive): Change unsighed long argument to ptid_t. Consider dead lwps as not being alive. (status_pending_p): Rename `dummy' argument to `arg'. Filter out threads we're not interested in. (same_lwp, find_lwp_pid): New. (linux_wait_for_lwp): Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): Rename to ... (linux_wait_for_event_1): ... this. Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): New. (linux_wait_1): Add `ptid' argument. Change return type to ptid_t. Adjust. Use last_thread_of_process_p. Remove processes that exit from the process table. (linux_wait): Add `ptid' argument. Change return type to ptid_t. Adjust. (mark_lwp_dead): New. (wait_for_sigstop): Adjust to use ptids. If a process exits while stopping all threads, mark its main lwp as dead. (linux_set_resume_request, linux_resume_one_thread): Adjust to use ptids. (fetch_register, usr_store_inferior_registers) (regsets_fetch_inferior_registers) (regsets_store_inferior_registers, linux_read_memory) (linux_write_memory): Inline `inferior_pid'. (linux_look_up_symbols): Adjust to use per-process `thread_db_active'. (linux_request_interrupt): Adjust to use ptids. (linux_read_auxv): Inline `inferior_pid'. (initialize_low): Don't reference thread_db_active. * gdb_proc_service.h (struct ps_prochandle) <pid>: Remove. * proc-service.c (ps_lgetregs): Use find_lwp_pid. (ps_getpid): Return the pid of the current inferior. * thread-db.c (proc_handle, thread_agent): Delete. (thread_db_create_event, thread_db_enable_reporting): Adjust to per-process data. (find_one_thread): Change argument type to ptid_t. Adjust to per-process data. (maybe_attach_thread): Adjust to per-process data and ptids. (thread_db_find_new_threads): Ditto. (thread_db_init): Ditto. * spu-low.c (spu_create_inferior, spu_attach): Add process to processes table. Adjust to use ptids. (spu_kill, spu_detach): Adjust interface. Remove process from processes table. (spu_join, spu_thread_alive): Adjust interface. (spu_wait): Adjust interface. Remove process from processes table. Adjust to use ptids. * win32-low.c (current_inferior_tid): Delete. (current_inferior_ptid): New. (debug_event_ptid): New. (thread_rec): Take a ptid. Adjust. (child_add_thread): Add `pid' argument. Adjust to use ptids. (child_delete_thread): Ditto. (do_initial_child_stuff): Add `attached' argument. Add process to processes table. (child_fetch_inferior_registers, child_store_inferior_registers): Adjust. (win32_create_inferior): Pass 0 to do_initial_child_stuff. (win32_attach): Pass 1 to do_initial_child_stuff. (win32_kill): Adjust interface. Remove process from processes table. (win32_detach): Ditto. (win32_join): Adjust interface. (win32_thread_alive): Take a ptid. (win32_resume): Adjust to use ptids. (get_child_debug_event): Ditto. (win32_wait): Adjust interface. Remove exiting process from processes table.
2009-04-02 00:50:24 +02:00
ptid_t ret;
2002-06-11 Daniel Jacobowitz <drow@mvista.com> * gdbserver/thread-db.c: New file. * gdbserver/proc-service.c: New file. * gdbserver/acinclude.m4: New file. * gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h, proc-service.o, and thread-db.o. (linux-low.o): Add USE_THREAD_DB. * gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T, HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN. * gdbserver/aclocal.m4: Regenerated. * gdbserver/config.in: Regenerated. * gdbserver/configure: Regenerated. * gdbserver/configure.in: Check for proc_service.h, sys/procfs.h, thread_db.h, and linux/elf.h headrs. Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and PRFPREGSET_T_BROKEN. Introduce srv_thread_depfiles and USE_THREAD_DB. Check for -lthread_db and thread support. * gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS, PowerPC, and SuperH. * gdbserver/i387-fp.c: Constify arguments. * gdbserver/i387-fp.h: Likewise. * gdbserver/inferiors.c: (struct thread_info): Renamed from `struct inferior_info'. Remove PID member. Use generic inferior list header. All uses updated. (inferiors, signal_pid): Removed. (all_threads): New variable. (get_thread): Define. (add_inferior_to_list): New function. (for_each_inferior): New function. (change_inferior_id): New function. (add_inferior): Removed. (remove_inferior): New function. (add_thread): New function. (free_one_thread): New function. (remove_thread): New function. (clear_inferiors): Use for_each_inferior and free_one_thread. (find_inferior): New function. (find_inferior_id): New function. (inferior_target_data): Update argument type. (set_inferior_target_data): Likewise. (inferior_regcache_data): Likewise. (set_inferior_regcache_data): Likewise. * gdbserver/linux-low.c (linux_bp_reinsert): Remove. (all_processes, stopping_threads, using_thrads) (struct pending_signals, debug_threads, pid_of): New. (inferior_pid): Replace with macro. (struct inferior_linux_data): Remove. (get_stop_pc, add_process): New functions. (linux_create_inferior): Restore SIGRTMIN+1 before calling exec. Use add_process and add_thread. (linux_attach_lwp): New function, based on old linux_attach. Use add_process and add_thread. Set stop_expected for new threads. (linux_attach): New function. (linux_kill_one_process): New function. (linux_kill): Kill all LWPs. (linux_thread_alive): Use find_inferior_id. (check_removed_breakpoints, status_pending_p): New functions. (linux_wait_for_process): Renamed from linux_wait_for_one_inferior. Update. Use WNOHANG. Wait for cloned processes also. Update process struct for the found process. (linux_wait_for_event): New function. (linux_wait): Use it. Support LWPs. (send_sigstop, wait_for_sigstop, stop_all_processes) (linux_resume_one_process, linux_continue_one_process): New functions. (linux_resume): Support LWPs. (REGISTER_RAW_SIZE): Remove. (fetch_register): Use register_size instead. Call supply_register. (usr_store_inferior_registers): Likewise. Call collect_register. Fix recursive case. (regsets_fetch_inferior_registers): Improve error message. (regsets_store_inferior_registers): Add debugging. (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB. (unstopped_p, linux_signal_pid): New functions. (linux_target_ops): Add linux_signal_pid. (linux_init_signals): New function. (initialize_low): Call it. Initialize using_threads. * gdbserver/regcache.c (inferior_regcache_data): Add valid flag. (get_regcache): Fetch registers lazily. Add fetch argument and update all callers. (regcache_invalidate_one, regcache_invalidate): New functions. (new_register_cache): Renamed from create_register_cache. Return the new regcache. (free_register_cache): Change argument to a void *. (registers_to_string, registers_from_string): Call get_regcache with fetch flag set. (register_data): Make static. Pass fetch flag to get_regcache. (supply_register): Call get_regcache with fetch flag clear. (collect_register): Call get_regcache with fetch flag set. (collect_register_as_string): New function. * gdbserver/regcache.h: Update. * gdbserver/remote-utils.c (putpkt): Flush after debug output and use stderr. Handle input interrupts while waiting for an ACK. (input_interrupt): Use signal_pid method. (getpkt): Flush after debug output and use stderr. (outreg): Use collect_register_as_string. (new_thread_notify, dead_thread_notify): New functions. (prepare_resume_reply): Check using_threads. Set thread_from_wait and general_thread. (look_up_one_symbol): Flush after debug output. * gdbserver/server.c (step_thread, server_waiting): New variables. (start_inferior): Don't use signal_pid. Update call to mywait. (attach_inferior): Update call to mywait. (handle_query): Handle qfThreadInfo and qsThreadInfo. (main): Don't fetch/store registers explicitly. Use set_desired_inferior. Support proposed ``Hs'' packet. Update calls to mywait. * gdbserver/server.h: Update. (struct inferior_list, struct_inferior_list_entry): New. * gdbserver/target.c (set_desired_inferior): New. (write_inferior_memory): Constify. (mywait): New function. * gdbserver/target.h: Update. (struct target_ops): New signal_pid method. (mywait): Removed macro, added prototype. * gdbserver/linux-low.h (regset_func): Removed. (regset_fill_func, regset_store_func): New. (enum regset_type): New. (struct regset_info): Add type field. Use new operation types. (struct linux_target_ops): stop_pc renamed to get_pc. Add decr_pc_after_break and breakpoint_at. (get_process, get_thread_proess, get_process_thread) (strut process_info, all_processes, linux_attach_lwp) (thread_db_init): New. * gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc, arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset) (i386_store_fpxregset): Constify. (target_regsets): Add new kind identifier. (i386_get_pc): Renamed from i386_stop_pc. Simplify. (i386_set_pc): Add debugging. (i386_breakpoint_at): New function. (the_low_target): Add new members. * gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc) (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr) (mips_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc) (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc) (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-x86-64-low.c (target_regsets): Add new kind identifier.
2002-06-11 19:32:40 +02:00
if (connected_wait)
server_waiting = 1;
2009-04-01 Pedro Alves <pedro@codesourcery.com> Implement the multiprocess extensions, and add linux multiprocess support. * server.h (ULONGEST): Declare. (struct ptid, ptid_t): New. (minus_one_ptid, null_ptid): Declare. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): Declare. (struct inferior_list_entry): Change `id' type from unsigned from to ptid_t. (struct sym_cache, struct breakpoint, struct process_info_private): Forward declare. (struct process_info): Declare. (current_process): Declare. (all_processes): Declare. (initialize_inferiors): Declare. (add_thread): Adjust to use ptid_t. (thread_id_to_gdb_id, thread_to_gdb_id, gdb_id_to_thread_id): Ditto. (add_process, remove_process, find_thread_pid): Declare. (find_inferior_id): Adjust to use ptid_t. (cont_thread, general_thread, step_thread): Change type to ptid_t. (multi_process): Declare. (push_event): Adjust to use ptid_t. (read_ptid, write_ptid): Declare. (prepare_resume_reply): Adjust to use ptid_t. (clear_symbol_cache): Declare. * inferiors.c (all_processes): New. (null_ptid, minus_one_ptid): New. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): New. (add_thread): Change unsigned long to ptid. Remove gdb_id parameter. Adjust. (thread_id_to_gdb_id, thread_to_gdb_id): Change unsigned long to ptid. (gdb_id_to_thread): Rename to ... (find_thread_pid): ... this. Change unsigned long to ptid. (gdb_id_to_thread_id, find_inferior_id): Change unsigned long to ptid. (loaded_dll, pull_pid_from_list): Adjust. (add_process, remove_process, find_process_pid) (get_thread_process, current_process, initialize_inferiors): New. * target.h (struct thread_resume) <thread>: Change type to ptid_t. (struct target_waitstatus) <related_pid>: Ditto. (struct target_ops) <kill, detach>: Add `pid' argument. Change return type to int. (struct target_ops) <join>: Add `pid' argument. (struct target_ops) <thread_alive>: Change pid's type to ptid_t. (struct target_ops) <wait>: Add `ptid' field. Change return type to ptid. (kill_inferior, detach_inferior, join_inferior): Add `pid' argument. (mywait): Add `ptid' argument. Change return type to ptid_t. (target_pid_to_str): Declare. * target.c (set_desired_inferior): Adjust to use ptids. (mywait): Add new `ptid' argument. Adjust. (target_pid_to_str): New. * mem-break.h (free_all_breakpoints): Declare. * mem-break.c (breakpoints): Delelete. (set_breakpoint_at, delete_breakpoint, find_breakpoint_at) (check_mem_read, check_mem_write, delete_all_breakpoints): Adjust to use per-process breakpoint list. (free_all_breakpoints): New. * remote-utils.c (struct sym_cache) <name>: Drop `const'. (symbol_cache, all_symbols_looked_up): Delete. (hexchars): New. (ishex, unpack_varlen_hex, write_ptid, hex_or_minus_one, read_ptid): New. (prepare_resume_reply): Change ptid argument's type from unsigned long to ptid_t. Adjust. Implement W;process and X;process. (free_sym_cache, clear_symbol_cache): New. (look_up_one_symbol): Adjust to per-process symbol cache. * * server.c (cont_thread, general_thread, step_thread): Change type to ptid_t. (attached): Delete. (multi_process): New. (last_ptid): Change type to ptid_t. (struct vstop_notif) <ptid>: Change type to ptid_t. (queue_stop_reply, push_event): Change `ptid' argument's type to ptid_t. (discard_queued_stop_replies): Add `pid' argument. (start_inferior): Adjust to use ptids. Adjust to mywait interface changes. Don't reference the `attached' global. (attach_inferior): Adjust to mywait interface changes. (handle_query): Adjust to use ptids. Parse GDB's qSupported features. Handle and report "multiprocess+". Handle "qAttached:PID". (handle_v_cont): Adjust to use ptids. Adjust to mywait interface changes. (handle_v_kill): New. (handle_v_stopped): Adjust to use target_pid_to_str. (handle_v_requests): Allow multiple attaches and runs when multiprocess extensions are in effect. Handle "vKill". (myresume): Adjust to use ptids. (queue_stop_reply_callback): Add `arg' parameter. Handle it. (handle_status): Adjust to discard_queued_stop_replies interface change. (first_thread_of, kill_inferior_callback) (detach_or_kill_inferior_callback, join_inferiors_callback): New. (main): Call initialize_inferiors. Adjust to use ptids, killing and detaching from all inferiors. Handle multiprocess packet variants. * linux-low.h: Include gdb_proc_service.h. (struct process_info_private): New. (struct linux_target_ops) <pid_of>: Use ptid_get_pid. <lwpid_of>: Use ptid_get_lwp. (get_lwp_thread): Adjust. (struct lwp_info): Add `dead' member. (find_lwp_pid): Declare. * linux-low.c (thread_db_active): Delete. (new_inferior): Adjust comment. (inferior_pid): Delete. (linux_add_process): New. (handle_extended_wait): Adjust. (add_lwp): Change unsigned long to ptid. (linux_create_inferior): Add process to processes table. Adjust to use ptids. Don't set new_inferior here. (linux_attach_lwp): Rename to ... (linux_attach_lwp_1): ... this. Add `initial' argument. Handle it. Adjust to use ptids. (linux_attach_lwp): New. (linux_attach): Add process to processes table. Don't set new_inferior here. (struct counter): New. (second_thread_of_pid_p, last_thread_of_process_p): New. (linux_kill_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (linux_kill): Add `pid' argument. Handle it. Adjust to multiple processes. Remove process from process table. (linux_detach_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (any_thread_of): New. (linux_detach): Add `pid' argument, and handle it. Remove process from processes table. (linux_join): Add `pid' argument. Handle it. (linux_thread_alive): Change unsighed long argument to ptid_t. Consider dead lwps as not being alive. (status_pending_p): Rename `dummy' argument to `arg'. Filter out threads we're not interested in. (same_lwp, find_lwp_pid): New. (linux_wait_for_lwp): Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): Rename to ... (linux_wait_for_event_1): ... this. Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): New. (linux_wait_1): Add `ptid' argument. Change return type to ptid_t. Adjust. Use last_thread_of_process_p. Remove processes that exit from the process table. (linux_wait): Add `ptid' argument. Change return type to ptid_t. Adjust. (mark_lwp_dead): New. (wait_for_sigstop): Adjust to use ptids. If a process exits while stopping all threads, mark its main lwp as dead. (linux_set_resume_request, linux_resume_one_thread): Adjust to use ptids. (fetch_register, usr_store_inferior_registers) (regsets_fetch_inferior_registers) (regsets_store_inferior_registers, linux_read_memory) (linux_write_memory): Inline `inferior_pid'. (linux_look_up_symbols): Adjust to use per-process `thread_db_active'. (linux_request_interrupt): Adjust to use ptids. (linux_read_auxv): Inline `inferior_pid'. (initialize_low): Don't reference thread_db_active. * gdb_proc_service.h (struct ps_prochandle) <pid>: Remove. * proc-service.c (ps_lgetregs): Use find_lwp_pid. (ps_getpid): Return the pid of the current inferior. * thread-db.c (proc_handle, thread_agent): Delete. (thread_db_create_event, thread_db_enable_reporting): Adjust to per-process data. (find_one_thread): Change argument type to ptid_t. Adjust to per-process data. (maybe_attach_thread): Adjust to per-process data and ptids. (thread_db_find_new_threads): Ditto. (thread_db_init): Ditto. * spu-low.c (spu_create_inferior, spu_attach): Add process to processes table. Adjust to use ptids. (spu_kill, spu_detach): Adjust interface. Remove process from processes table. (spu_join, spu_thread_alive): Adjust interface. (spu_wait): Adjust interface. Remove process from processes table. Adjust to use ptids. * win32-low.c (current_inferior_tid): Delete. (current_inferior_ptid): New. (debug_event_ptid): New. (thread_rec): Take a ptid. Adjust. (child_add_thread): Add `pid' argument. Adjust to use ptids. (child_delete_thread): Ditto. (do_initial_child_stuff): Add `attached' argument. Add process to processes table. (child_fetch_inferior_registers, child_store_inferior_registers): Adjust. (win32_create_inferior): Pass 0 to do_initial_child_stuff. (win32_attach): Pass 1 to do_initial_child_stuff. (win32_kill): Adjust interface. Remove process from processes table. (win32_detach): Ditto. (win32_join): Adjust interface. (win32_thread_alive): Take a ptid. (win32_resume): Adjust to use ptids. (get_child_debug_event): Ditto. (win32_wait): Adjust interface. Remove exiting process from processes table.
2009-04-02 00:50:24 +02:00
ret = (*the_target->wait) (ptid, ourstatus, options);
Non-stop mode support. * server.h (non_stop): Declare. (gdb_client_data, handler_func): Declare. (delete_file_handler, add_file_handler, start_event_loop): Declare. (handle_serial_event, handle_target_event, push_event) (putpkt_notif): Declare. * target.h (enum resume_kind): New. (struct thread_resume): Replace `step' field by `kind' field. (TARGET_WNOHANG): Define. (struct target_ops) <wait>: Add `options' argument. <supports_non_stop, async, start_non_stop>: New fields. (target_supports_non_stop, target_async): New. (start_non_stop): Declare. (mywait): Add `options' argument. * target.c (mywait): Add `options' argument. Print child exit notifications here. (start_non_stop): New. * server.c (non_stop, own_buf, mem_buf): New globals. (struct vstop_notif): New. (notif_queue): New global. (queue_stop_reply, push_event, discard_queued_stop_replies) (send_next_stop_reply): New. (start_inferior): Adjust to use resume_kind. Adjust to mywait interface changes. (attach_inferior): In non-stop mode, don't wait for the target here. (handle_general_set): Handle QNonStop. (handle_query): When handling qC, return the current general thread, instead of the first thread of the list. (handle_query): If the backend supports non-stop mode, include QNonStop+ in the qSupported query response. (handle_v_cont): Adjust to use resume_kind. Handle resume_stop and non-stop mode. (handle_v_attach, handle_v_run): Handle non-stop mode. (handle_v_stopped): New. (handle_v_requests): Report support for vCont;t. Handle vStopped. (myresume): Adjust to use resume_kind. Handle non-stop. (queue_stop_reply_callback): New. (handle_status): Handle non-stop mode. (main): Clear non_stop flag on reconnection. Use the event-loop. Refactor serial protocol handling from here ... (process_serial_event): ... to this new function. When GDB selects any thread, select one here. In non-stop mode, wait until GDB acks all pending events before exiting. (handle_serial_event, handle_target_event): New. * remote-utils.c (remote_open): Install remote_desc in the event loop. (remote_close): Remove remote_desc from the event loop. (putpkt_binary): Rename to... (putpkt_binary_1): ... this. Add `is_notic' argument. Handle it. (putpkt_binary): New as wrapper around putpkt_binary_1. (putpkt_notif): New. (prepare_resume_reply): In non-stop mode, don't change the general_thread. * event-loop.c: New. * Makefile.in (OBJ): Add event-loop.o. (event-loop.o): New rule. * linux-low.h (pid_of): Moved here. (lwpid_of): New. (get_lwp_thread): Use lwpid_of. (struct lwp_info): Delete `lwpid' field. Add `suspended' field. * linux-low.c (pid_of): Delete. (inferior_pid): Use lwpid_of. (linux_event_pipe): New. (target_is_async_p): New. (delete_lwp): New. (handle_extended_wait): Use lwpid_of. (add_lwp): Don't set lwpid field. (linux_attach_lwp): Adjust debug output. Use lwpid_of. (linux_kill_one_lwp): If killing a running lwp, stop it first. Use lwpid_of. Adjust to linux_wait_for_event interface changes. (linux_detach_one_lwp): If detaching from a running lwp, stop it first. Adjust to linux_wait_for_event interface changes. Use lwpid_of. (linux_detach): Don't delete the main lwp here. (linux_join): Use my_waitpid. Avoid signal_pid. Use lwpid_of. (status_pending_p): Don't consider explicitly suspended lwps. (linux_wait_for_lwp): Take an integer pid instead of a lwp_info pointer. Add OPTIONS argument. Change return type to int. Use my_waitpid instead of sleeping. Handle WNOHANG. Use lwpid_of. (linux_wait_for_event): Take an integer pid instead of a lwp_info pointer. Add status pointer argument. Return a pid instead of a status. Use lwpid_of. Adjust to linux_wait_for_lwp interface changes. In non-stop mode, don't switch to a random thread. (linux_wait): Rename to... (linux_wait_1): ... this. Add target_options argument, and handle it. Adjust to use resume_kind. Use lwpid_of. In non-stop mode, don't handle the continue thread. Handle TARGET_WNOHANG. Merge clean exit and signal exit code. Don't stop all threads in non-stop mode. In all-stop mode, only stop all threads when reporting a stop to GDB. Handle explicit thread stop requests. (async_file_flush, async_file_mark): New. (linux_wait): New. (send_sigstop): Use lwpid_of. (wait_for_sigstop): Use lwpid_of. Adjust to linux_wait_for_event interface changes. In non-stop mode, don't switch to a random thread. (linux_resume_one_lwp): Use lwpid_of. (linux_continue_one_thread, linux_queue_one_thread): Merge into ... (linux_resume_one_thread): ... this. Handle resume_stop. In non-stop mode, don't look for pending flag in all threads. (resume_status_pending_p): Don't consider explicitly suspended threads. (my_waitpid): Reimplement. Emulate __WALL. (linux_request_interrupt, linux_read_offsets, linux_xfer_siginfo): Use lwpid_of. (sigchld_handler, linux_supports_non_stop, linux_async) (linux_start_non_stop): New. (linux_target_ops): Register linux_supports_non_stop, linux_async and linux_start_non_stop. (initialize_low): Install SIGCHLD handler. * thread-db.c (thread_db_create_event, find_one_thread) (thread_db_get_tls_address): Use lwpid_of. * win32-low.c (win32_detach): Adjust to use resume_kind. (win32_wait): Add `options' argument. * spu-low.c (spu_resume): Adjust to use resume_kind. (spu_wait): Add `options' argument.
2009-04-02 00:48:05 +02:00
2009-04-01 Pedro Alves <pedro@codesourcery.com> Implement the multiprocess extensions, and add linux multiprocess support. * server.h (ULONGEST): Declare. (struct ptid, ptid_t): New. (minus_one_ptid, null_ptid): Declare. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): Declare. (struct inferior_list_entry): Change `id' type from unsigned from to ptid_t. (struct sym_cache, struct breakpoint, struct process_info_private): Forward declare. (struct process_info): Declare. (current_process): Declare. (all_processes): Declare. (initialize_inferiors): Declare. (add_thread): Adjust to use ptid_t. (thread_id_to_gdb_id, thread_to_gdb_id, gdb_id_to_thread_id): Ditto. (add_process, remove_process, find_thread_pid): Declare. (find_inferior_id): Adjust to use ptid_t. (cont_thread, general_thread, step_thread): Change type to ptid_t. (multi_process): Declare. (push_event): Adjust to use ptid_t. (read_ptid, write_ptid): Declare. (prepare_resume_reply): Adjust to use ptid_t. (clear_symbol_cache): Declare. * inferiors.c (all_processes): New. (null_ptid, minus_one_ptid): New. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): New. (add_thread): Change unsigned long to ptid. Remove gdb_id parameter. Adjust. (thread_id_to_gdb_id, thread_to_gdb_id): Change unsigned long to ptid. (gdb_id_to_thread): Rename to ... (find_thread_pid): ... this. Change unsigned long to ptid. (gdb_id_to_thread_id, find_inferior_id): Change unsigned long to ptid. (loaded_dll, pull_pid_from_list): Adjust. (add_process, remove_process, find_process_pid) (get_thread_process, current_process, initialize_inferiors): New. * target.h (struct thread_resume) <thread>: Change type to ptid_t. (struct target_waitstatus) <related_pid>: Ditto. (struct target_ops) <kill, detach>: Add `pid' argument. Change return type to int. (struct target_ops) <join>: Add `pid' argument. (struct target_ops) <thread_alive>: Change pid's type to ptid_t. (struct target_ops) <wait>: Add `ptid' field. Change return type to ptid. (kill_inferior, detach_inferior, join_inferior): Add `pid' argument. (mywait): Add `ptid' argument. Change return type to ptid_t. (target_pid_to_str): Declare. * target.c (set_desired_inferior): Adjust to use ptids. (mywait): Add new `ptid' argument. Adjust. (target_pid_to_str): New. * mem-break.h (free_all_breakpoints): Declare. * mem-break.c (breakpoints): Delelete. (set_breakpoint_at, delete_breakpoint, find_breakpoint_at) (check_mem_read, check_mem_write, delete_all_breakpoints): Adjust to use per-process breakpoint list. (free_all_breakpoints): New. * remote-utils.c (struct sym_cache) <name>: Drop `const'. (symbol_cache, all_symbols_looked_up): Delete. (hexchars): New. (ishex, unpack_varlen_hex, write_ptid, hex_or_minus_one, read_ptid): New. (prepare_resume_reply): Change ptid argument's type from unsigned long to ptid_t. Adjust. Implement W;process and X;process. (free_sym_cache, clear_symbol_cache): New. (look_up_one_symbol): Adjust to per-process symbol cache. * * server.c (cont_thread, general_thread, step_thread): Change type to ptid_t. (attached): Delete. (multi_process): New. (last_ptid): Change type to ptid_t. (struct vstop_notif) <ptid>: Change type to ptid_t. (queue_stop_reply, push_event): Change `ptid' argument's type to ptid_t. (discard_queued_stop_replies): Add `pid' argument. (start_inferior): Adjust to use ptids. Adjust to mywait interface changes. Don't reference the `attached' global. (attach_inferior): Adjust to mywait interface changes. (handle_query): Adjust to use ptids. Parse GDB's qSupported features. Handle and report "multiprocess+". Handle "qAttached:PID". (handle_v_cont): Adjust to use ptids. Adjust to mywait interface changes. (handle_v_kill): New. (handle_v_stopped): Adjust to use target_pid_to_str. (handle_v_requests): Allow multiple attaches and runs when multiprocess extensions are in effect. Handle "vKill". (myresume): Adjust to use ptids. (queue_stop_reply_callback): Add `arg' parameter. Handle it. (handle_status): Adjust to discard_queued_stop_replies interface change. (first_thread_of, kill_inferior_callback) (detach_or_kill_inferior_callback, join_inferiors_callback): New. (main): Call initialize_inferiors. Adjust to use ptids, killing and detaching from all inferiors. Handle multiprocess packet variants. * linux-low.h: Include gdb_proc_service.h. (struct process_info_private): New. (struct linux_target_ops) <pid_of>: Use ptid_get_pid. <lwpid_of>: Use ptid_get_lwp. (get_lwp_thread): Adjust. (struct lwp_info): Add `dead' member. (find_lwp_pid): Declare. * linux-low.c (thread_db_active): Delete. (new_inferior): Adjust comment. (inferior_pid): Delete. (linux_add_process): New. (handle_extended_wait): Adjust. (add_lwp): Change unsigned long to ptid. (linux_create_inferior): Add process to processes table. Adjust to use ptids. Don't set new_inferior here. (linux_attach_lwp): Rename to ... (linux_attach_lwp_1): ... this. Add `initial' argument. Handle it. Adjust to use ptids. (linux_attach_lwp): New. (linux_attach): Add process to processes table. Don't set new_inferior here. (struct counter): New. (second_thread_of_pid_p, last_thread_of_process_p): New. (linux_kill_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (linux_kill): Add `pid' argument. Handle it. Adjust to multiple processes. Remove process from process table. (linux_detach_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (any_thread_of): New. (linux_detach): Add `pid' argument, and handle it. Remove process from processes table. (linux_join): Add `pid' argument. Handle it. (linux_thread_alive): Change unsighed long argument to ptid_t. Consider dead lwps as not being alive. (status_pending_p): Rename `dummy' argument to `arg'. Filter out threads we're not interested in. (same_lwp, find_lwp_pid): New. (linux_wait_for_lwp): Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): Rename to ... (linux_wait_for_event_1): ... this. Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): New. (linux_wait_1): Add `ptid' argument. Change return type to ptid_t. Adjust. Use last_thread_of_process_p. Remove processes that exit from the process table. (linux_wait): Add `ptid' argument. Change return type to ptid_t. Adjust. (mark_lwp_dead): New. (wait_for_sigstop): Adjust to use ptids. If a process exits while stopping all threads, mark its main lwp as dead. (linux_set_resume_request, linux_resume_one_thread): Adjust to use ptids. (fetch_register, usr_store_inferior_registers) (regsets_fetch_inferior_registers) (regsets_store_inferior_registers, linux_read_memory) (linux_write_memory): Inline `inferior_pid'. (linux_look_up_symbols): Adjust to use per-process `thread_db_active'. (linux_request_interrupt): Adjust to use ptids. (linux_read_auxv): Inline `inferior_pid'. (initialize_low): Don't reference thread_db_active. * gdb_proc_service.h (struct ps_prochandle) <pid>: Remove. * proc-service.c (ps_lgetregs): Use find_lwp_pid. (ps_getpid): Return the pid of the current inferior. * thread-db.c (proc_handle, thread_agent): Delete. (thread_db_create_event, thread_db_enable_reporting): Adjust to per-process data. (find_one_thread): Change argument type to ptid_t. Adjust to per-process data. (maybe_attach_thread): Adjust to per-process data and ptids. (thread_db_find_new_threads): Ditto. (thread_db_init): Ditto. * spu-low.c (spu_create_inferior, spu_attach): Add process to processes table. Adjust to use ptids. (spu_kill, spu_detach): Adjust interface. Remove process from processes table. (spu_join, spu_thread_alive): Adjust interface. (spu_wait): Adjust interface. Remove process from processes table. Adjust to use ptids. * win32-low.c (current_inferior_tid): Delete. (current_inferior_ptid): New. (debug_event_ptid): New. (thread_rec): Take a ptid. Adjust. (child_add_thread): Add `pid' argument. Adjust to use ptids. (child_delete_thread): Ditto. (do_initial_child_stuff): Add `attached' argument. Add process to processes table. (child_fetch_inferior_registers, child_store_inferior_registers): Adjust. (win32_create_inferior): Pass 0 to do_initial_child_stuff. (win32_attach): Pass 1 to do_initial_child_stuff. (win32_kill): Adjust interface. Remove process from processes table. (win32_detach): Ditto. (win32_join): Adjust interface. (win32_thread_alive): Take a ptid. (win32_resume): Adjust to use ptids. (get_child_debug_event): Ditto. (win32_wait): Adjust interface. Remove exiting process from processes table.
2009-04-02 00:50:24 +02:00
if (ourstatus->kind == TARGET_WAITKIND_EXITED)
fprintf (stderr,
"\nChild exited with status %d\n", ourstatus->value.sig);
else if (ourstatus->kind == TARGET_WAITKIND_SIGNALLED)
fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n",
target_signal_to_host (ourstatus->value.sig),
target_signal_to_name (ourstatus->value.sig));
2002-06-11 Daniel Jacobowitz <drow@mvista.com> * gdbserver/thread-db.c: New file. * gdbserver/proc-service.c: New file. * gdbserver/acinclude.m4: New file. * gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h, proc-service.o, and thread-db.o. (linux-low.o): Add USE_THREAD_DB. * gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T, HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN. * gdbserver/aclocal.m4: Regenerated. * gdbserver/config.in: Regenerated. * gdbserver/configure: Regenerated. * gdbserver/configure.in: Check for proc_service.h, sys/procfs.h, thread_db.h, and linux/elf.h headrs. Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and PRFPREGSET_T_BROKEN. Introduce srv_thread_depfiles and USE_THREAD_DB. Check for -lthread_db and thread support. * gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS, PowerPC, and SuperH. * gdbserver/i387-fp.c: Constify arguments. * gdbserver/i387-fp.h: Likewise. * gdbserver/inferiors.c: (struct thread_info): Renamed from `struct inferior_info'. Remove PID member. Use generic inferior list header. All uses updated. (inferiors, signal_pid): Removed. (all_threads): New variable. (get_thread): Define. (add_inferior_to_list): New function. (for_each_inferior): New function. (change_inferior_id): New function. (add_inferior): Removed. (remove_inferior): New function. (add_thread): New function. (free_one_thread): New function. (remove_thread): New function. (clear_inferiors): Use for_each_inferior and free_one_thread. (find_inferior): New function. (find_inferior_id): New function. (inferior_target_data): Update argument type. (set_inferior_target_data): Likewise. (inferior_regcache_data): Likewise. (set_inferior_regcache_data): Likewise. * gdbserver/linux-low.c (linux_bp_reinsert): Remove. (all_processes, stopping_threads, using_thrads) (struct pending_signals, debug_threads, pid_of): New. (inferior_pid): Replace with macro. (struct inferior_linux_data): Remove. (get_stop_pc, add_process): New functions. (linux_create_inferior): Restore SIGRTMIN+1 before calling exec. Use add_process and add_thread. (linux_attach_lwp): New function, based on old linux_attach. Use add_process and add_thread. Set stop_expected for new threads. (linux_attach): New function. (linux_kill_one_process): New function. (linux_kill): Kill all LWPs. (linux_thread_alive): Use find_inferior_id. (check_removed_breakpoints, status_pending_p): New functions. (linux_wait_for_process): Renamed from linux_wait_for_one_inferior. Update. Use WNOHANG. Wait for cloned processes also. Update process struct for the found process. (linux_wait_for_event): New function. (linux_wait): Use it. Support LWPs. (send_sigstop, wait_for_sigstop, stop_all_processes) (linux_resume_one_process, linux_continue_one_process): New functions. (linux_resume): Support LWPs. (REGISTER_RAW_SIZE): Remove. (fetch_register): Use register_size instead. Call supply_register. (usr_store_inferior_registers): Likewise. Call collect_register. Fix recursive case. (regsets_fetch_inferior_registers): Improve error message. (regsets_store_inferior_registers): Add debugging. (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB. (unstopped_p, linux_signal_pid): New functions. (linux_target_ops): Add linux_signal_pid. (linux_init_signals): New function. (initialize_low): Call it. Initialize using_threads. * gdbserver/regcache.c (inferior_regcache_data): Add valid flag. (get_regcache): Fetch registers lazily. Add fetch argument and update all callers. (regcache_invalidate_one, regcache_invalidate): New functions. (new_register_cache): Renamed from create_register_cache. Return the new regcache. (free_register_cache): Change argument to a void *. (registers_to_string, registers_from_string): Call get_regcache with fetch flag set. (register_data): Make static. Pass fetch flag to get_regcache. (supply_register): Call get_regcache with fetch flag clear. (collect_register): Call get_regcache with fetch flag set. (collect_register_as_string): New function. * gdbserver/regcache.h: Update. * gdbserver/remote-utils.c (putpkt): Flush after debug output and use stderr. Handle input interrupts while waiting for an ACK. (input_interrupt): Use signal_pid method. (getpkt): Flush after debug output and use stderr. (outreg): Use collect_register_as_string. (new_thread_notify, dead_thread_notify): New functions. (prepare_resume_reply): Check using_threads. Set thread_from_wait and general_thread. (look_up_one_symbol): Flush after debug output. * gdbserver/server.c (step_thread, server_waiting): New variables. (start_inferior): Don't use signal_pid. Update call to mywait. (attach_inferior): Update call to mywait. (handle_query): Handle qfThreadInfo and qsThreadInfo. (main): Don't fetch/store registers explicitly. Use set_desired_inferior. Support proposed ``Hs'' packet. Update calls to mywait. * gdbserver/server.h: Update. (struct inferior_list, struct_inferior_list_entry): New. * gdbserver/target.c (set_desired_inferior): New. (write_inferior_memory): Constify. (mywait): New function. * gdbserver/target.h: Update. (struct target_ops): New signal_pid method. (mywait): Removed macro, added prototype. * gdbserver/linux-low.h (regset_func): Removed. (regset_fill_func, regset_store_func): New. (enum regset_type): New. (struct regset_info): Add type field. Use new operation types. (struct linux_target_ops): stop_pc renamed to get_pc. Add decr_pc_after_break and breakpoint_at. (get_process, get_thread_proess, get_process_thread) (strut process_info, all_processes, linux_attach_lwp) (thread_db_init): New. * gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc, arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset) (i386_store_fpxregset): Constify. (target_regsets): Add new kind identifier. (i386_get_pc): Renamed from i386_stop_pc. Simplify. (i386_set_pc): Add debugging. (i386_breakpoint_at): New function. (the_low_target): Add new members. * gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc) (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr) (mips_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc) (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc) (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-x86-64-low.c (target_regsets): Add new kind identifier.
2002-06-11 19:32:40 +02:00
if (connected_wait)
server_waiting = 0;
return ret;
}
Non-stop mode support. * server.h (non_stop): Declare. (gdb_client_data, handler_func): Declare. (delete_file_handler, add_file_handler, start_event_loop): Declare. (handle_serial_event, handle_target_event, push_event) (putpkt_notif): Declare. * target.h (enum resume_kind): New. (struct thread_resume): Replace `step' field by `kind' field. (TARGET_WNOHANG): Define. (struct target_ops) <wait>: Add `options' argument. <supports_non_stop, async, start_non_stop>: New fields. (target_supports_non_stop, target_async): New. (start_non_stop): Declare. (mywait): Add `options' argument. * target.c (mywait): Add `options' argument. Print child exit notifications here. (start_non_stop): New. * server.c (non_stop, own_buf, mem_buf): New globals. (struct vstop_notif): New. (notif_queue): New global. (queue_stop_reply, push_event, discard_queued_stop_replies) (send_next_stop_reply): New. (start_inferior): Adjust to use resume_kind. Adjust to mywait interface changes. (attach_inferior): In non-stop mode, don't wait for the target here. (handle_general_set): Handle QNonStop. (handle_query): When handling qC, return the current general thread, instead of the first thread of the list. (handle_query): If the backend supports non-stop mode, include QNonStop+ in the qSupported query response. (handle_v_cont): Adjust to use resume_kind. Handle resume_stop and non-stop mode. (handle_v_attach, handle_v_run): Handle non-stop mode. (handle_v_stopped): New. (handle_v_requests): Report support for vCont;t. Handle vStopped. (myresume): Adjust to use resume_kind. Handle non-stop. (queue_stop_reply_callback): New. (handle_status): Handle non-stop mode. (main): Clear non_stop flag on reconnection. Use the event-loop. Refactor serial protocol handling from here ... (process_serial_event): ... to this new function. When GDB selects any thread, select one here. In non-stop mode, wait until GDB acks all pending events before exiting. (handle_serial_event, handle_target_event): New. * remote-utils.c (remote_open): Install remote_desc in the event loop. (remote_close): Remove remote_desc from the event loop. (putpkt_binary): Rename to... (putpkt_binary_1): ... this. Add `is_notic' argument. Handle it. (putpkt_binary): New as wrapper around putpkt_binary_1. (putpkt_notif): New. (prepare_resume_reply): In non-stop mode, don't change the general_thread. * event-loop.c: New. * Makefile.in (OBJ): Add event-loop.o. (event-loop.o): New rule. * linux-low.h (pid_of): Moved here. (lwpid_of): New. (get_lwp_thread): Use lwpid_of. (struct lwp_info): Delete `lwpid' field. Add `suspended' field. * linux-low.c (pid_of): Delete. (inferior_pid): Use lwpid_of. (linux_event_pipe): New. (target_is_async_p): New. (delete_lwp): New. (handle_extended_wait): Use lwpid_of. (add_lwp): Don't set lwpid field. (linux_attach_lwp): Adjust debug output. Use lwpid_of. (linux_kill_one_lwp): If killing a running lwp, stop it first. Use lwpid_of. Adjust to linux_wait_for_event interface changes. (linux_detach_one_lwp): If detaching from a running lwp, stop it first. Adjust to linux_wait_for_event interface changes. Use lwpid_of. (linux_detach): Don't delete the main lwp here. (linux_join): Use my_waitpid. Avoid signal_pid. Use lwpid_of. (status_pending_p): Don't consider explicitly suspended lwps. (linux_wait_for_lwp): Take an integer pid instead of a lwp_info pointer. Add OPTIONS argument. Change return type to int. Use my_waitpid instead of sleeping. Handle WNOHANG. Use lwpid_of. (linux_wait_for_event): Take an integer pid instead of a lwp_info pointer. Add status pointer argument. Return a pid instead of a status. Use lwpid_of. Adjust to linux_wait_for_lwp interface changes. In non-stop mode, don't switch to a random thread. (linux_wait): Rename to... (linux_wait_1): ... this. Add target_options argument, and handle it. Adjust to use resume_kind. Use lwpid_of. In non-stop mode, don't handle the continue thread. Handle TARGET_WNOHANG. Merge clean exit and signal exit code. Don't stop all threads in non-stop mode. In all-stop mode, only stop all threads when reporting a stop to GDB. Handle explicit thread stop requests. (async_file_flush, async_file_mark): New. (linux_wait): New. (send_sigstop): Use lwpid_of. (wait_for_sigstop): Use lwpid_of. Adjust to linux_wait_for_event interface changes. In non-stop mode, don't switch to a random thread. (linux_resume_one_lwp): Use lwpid_of. (linux_continue_one_thread, linux_queue_one_thread): Merge into ... (linux_resume_one_thread): ... this. Handle resume_stop. In non-stop mode, don't look for pending flag in all threads. (resume_status_pending_p): Don't consider explicitly suspended threads. (my_waitpid): Reimplement. Emulate __WALL. (linux_request_interrupt, linux_read_offsets, linux_xfer_siginfo): Use lwpid_of. (sigchld_handler, linux_supports_non_stop, linux_async) (linux_start_non_stop): New. (linux_target_ops): Register linux_supports_non_stop, linux_async and linux_start_non_stop. (initialize_low): Install SIGCHLD handler. * thread-db.c (thread_db_create_event, find_one_thread) (thread_db_get_tls_address): Use lwpid_of. * win32-low.c (win32_detach): Adjust to use resume_kind. (win32_wait): Add `options' argument. * spu-low.c (spu_resume): Adjust to use resume_kind. (spu_wait): Add `options' argument.
2009-04-02 00:48:05 +02:00
int
start_non_stop (int nonstop)
{
if (the_target->start_non_stop == NULL)
{
if (nonstop)
return -1;
else
return 0;
}
return (*the_target->start_non_stop) (nonstop);
}
2002-04-09 Daniel Jacobowitz <drow@mvista.com> * gdbserver/inferiors.c: New file. * gdbserver/target.c: New file. * gdbserver/target.h: New file. * gdbserver/Makefile.in: Add target.o and inferiors.o. Update dependencies. * gdbserver/linux-low.c (inferior_pid): New static variable, moved from server.c. (linux_create_inferior): Renamed from create_inferior. Call add_inferior. Return 0 on success instead of a PID. (linux_attach): Renamed from myattach. (linux_kill): Renamed from kill_inferior. Call clear_inferiors (). (linux_thread_alive): Renamed from mythread_alive. (linux_wait): Renamed from mywait. Call clear_inferiors () if the child dies. (linux_resume): Renamed from myresume. Add missing ``return 0''. (regsets_store_inferior_registers): Correct error message. Add missing ``return 0''. (linux_fetch_registers): Renamed from fetch_inferior_registers. (linux_store_registers): Renamed from store_inferior_registers. (linux_read_memory): Renamed from read_inferior_memory. (linux_write_memory): Renamed from write_inferior_memory. (linux_target_ops): New structure. (initialize_low): Call set_target_ops (). * gdbserver/remote-utils.c (unhexify): New function. (hexify): New function. (input_interrupt): Send signals to ``signal_pid''. * gdbserver/server.c (inferior_pid): Remove. (start_inferior): Update create_inferior call. (attach_inferior): Call add_inferior. (handle_query): New function. (main): Call handle_query for `q' packets. * gdbserver/server.h: Include "target.h". Remove obsolete prototypes. Add prototypes for "inferiors.c", "target.c", hexify, and unhexify.
2002-04-09 23:17:45 +02:00
void
set_target_ops (struct target_ops *target)
{
the_target = (struct target_ops *) xmalloc (sizeof (*the_target));
2002-04-09 Daniel Jacobowitz <drow@mvista.com> * gdbserver/inferiors.c: New file. * gdbserver/target.c: New file. * gdbserver/target.h: New file. * gdbserver/Makefile.in: Add target.o and inferiors.o. Update dependencies. * gdbserver/linux-low.c (inferior_pid): New static variable, moved from server.c. (linux_create_inferior): Renamed from create_inferior. Call add_inferior. Return 0 on success instead of a PID. (linux_attach): Renamed from myattach. (linux_kill): Renamed from kill_inferior. Call clear_inferiors (). (linux_thread_alive): Renamed from mythread_alive. (linux_wait): Renamed from mywait. Call clear_inferiors () if the child dies. (linux_resume): Renamed from myresume. Add missing ``return 0''. (regsets_store_inferior_registers): Correct error message. Add missing ``return 0''. (linux_fetch_registers): Renamed from fetch_inferior_registers. (linux_store_registers): Renamed from store_inferior_registers. (linux_read_memory): Renamed from read_inferior_memory. (linux_write_memory): Renamed from write_inferior_memory. (linux_target_ops): New structure. (initialize_low): Call set_target_ops (). * gdbserver/remote-utils.c (unhexify): New function. (hexify): New function. (input_interrupt): Send signals to ``signal_pid''. * gdbserver/server.c (inferior_pid): Remove. (start_inferior): Update create_inferior call. (attach_inferior): Call add_inferior. (handle_query): New function. (main): Call handle_query for `q' packets. * gdbserver/server.h: Include "target.h". Remove obsolete prototypes. Add prototypes for "inferiors.c", "target.c", hexify, and unhexify.
2002-04-09 23:17:45 +02:00
memcpy (the_target, target, sizeof (*the_target));
}
2009-04-01 Pedro Alves <pedro@codesourcery.com> Implement the multiprocess extensions, and add linux multiprocess support. * server.h (ULONGEST): Declare. (struct ptid, ptid_t): New. (minus_one_ptid, null_ptid): Declare. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): Declare. (struct inferior_list_entry): Change `id' type from unsigned from to ptid_t. (struct sym_cache, struct breakpoint, struct process_info_private): Forward declare. (struct process_info): Declare. (current_process): Declare. (all_processes): Declare. (initialize_inferiors): Declare. (add_thread): Adjust to use ptid_t. (thread_id_to_gdb_id, thread_to_gdb_id, gdb_id_to_thread_id): Ditto. (add_process, remove_process, find_thread_pid): Declare. (find_inferior_id): Adjust to use ptid_t. (cont_thread, general_thread, step_thread): Change type to ptid_t. (multi_process): Declare. (push_event): Adjust to use ptid_t. (read_ptid, write_ptid): Declare. (prepare_resume_reply): Adjust to use ptid_t. (clear_symbol_cache): Declare. * inferiors.c (all_processes): New. (null_ptid, minus_one_ptid): New. (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp) (ptid_get_tid, ptid_equal, ptid_is_pid): New. (add_thread): Change unsigned long to ptid. Remove gdb_id parameter. Adjust. (thread_id_to_gdb_id, thread_to_gdb_id): Change unsigned long to ptid. (gdb_id_to_thread): Rename to ... (find_thread_pid): ... this. Change unsigned long to ptid. (gdb_id_to_thread_id, find_inferior_id): Change unsigned long to ptid. (loaded_dll, pull_pid_from_list): Adjust. (add_process, remove_process, find_process_pid) (get_thread_process, current_process, initialize_inferiors): New. * target.h (struct thread_resume) <thread>: Change type to ptid_t. (struct target_waitstatus) <related_pid>: Ditto. (struct target_ops) <kill, detach>: Add `pid' argument. Change return type to int. (struct target_ops) <join>: Add `pid' argument. (struct target_ops) <thread_alive>: Change pid's type to ptid_t. (struct target_ops) <wait>: Add `ptid' field. Change return type to ptid. (kill_inferior, detach_inferior, join_inferior): Add `pid' argument. (mywait): Add `ptid' argument. Change return type to ptid_t. (target_pid_to_str): Declare. * target.c (set_desired_inferior): Adjust to use ptids. (mywait): Add new `ptid' argument. Adjust. (target_pid_to_str): New. * mem-break.h (free_all_breakpoints): Declare. * mem-break.c (breakpoints): Delelete. (set_breakpoint_at, delete_breakpoint, find_breakpoint_at) (check_mem_read, check_mem_write, delete_all_breakpoints): Adjust to use per-process breakpoint list. (free_all_breakpoints): New. * remote-utils.c (struct sym_cache) <name>: Drop `const'. (symbol_cache, all_symbols_looked_up): Delete. (hexchars): New. (ishex, unpack_varlen_hex, write_ptid, hex_or_minus_one, read_ptid): New. (prepare_resume_reply): Change ptid argument's type from unsigned long to ptid_t. Adjust. Implement W;process and X;process. (free_sym_cache, clear_symbol_cache): New. (look_up_one_symbol): Adjust to per-process symbol cache. * * server.c (cont_thread, general_thread, step_thread): Change type to ptid_t. (attached): Delete. (multi_process): New. (last_ptid): Change type to ptid_t. (struct vstop_notif) <ptid>: Change type to ptid_t. (queue_stop_reply, push_event): Change `ptid' argument's type to ptid_t. (discard_queued_stop_replies): Add `pid' argument. (start_inferior): Adjust to use ptids. Adjust to mywait interface changes. Don't reference the `attached' global. (attach_inferior): Adjust to mywait interface changes. (handle_query): Adjust to use ptids. Parse GDB's qSupported features. Handle and report "multiprocess+". Handle "qAttached:PID". (handle_v_cont): Adjust to use ptids. Adjust to mywait interface changes. (handle_v_kill): New. (handle_v_stopped): Adjust to use target_pid_to_str. (handle_v_requests): Allow multiple attaches and runs when multiprocess extensions are in effect. Handle "vKill". (myresume): Adjust to use ptids. (queue_stop_reply_callback): Add `arg' parameter. Handle it. (handle_status): Adjust to discard_queued_stop_replies interface change. (first_thread_of, kill_inferior_callback) (detach_or_kill_inferior_callback, join_inferiors_callback): New. (main): Call initialize_inferiors. Adjust to use ptids, killing and detaching from all inferiors. Handle multiprocess packet variants. * linux-low.h: Include gdb_proc_service.h. (struct process_info_private): New. (struct linux_target_ops) <pid_of>: Use ptid_get_pid. <lwpid_of>: Use ptid_get_lwp. (get_lwp_thread): Adjust. (struct lwp_info): Add `dead' member. (find_lwp_pid): Declare. * linux-low.c (thread_db_active): Delete. (new_inferior): Adjust comment. (inferior_pid): Delete. (linux_add_process): New. (handle_extended_wait): Adjust. (add_lwp): Change unsigned long to ptid. (linux_create_inferior): Add process to processes table. Adjust to use ptids. Don't set new_inferior here. (linux_attach_lwp): Rename to ... (linux_attach_lwp_1): ... this. Add `initial' argument. Handle it. Adjust to use ptids. (linux_attach_lwp): New. (linux_attach): Add process to processes table. Don't set new_inferior here. (struct counter): New. (second_thread_of_pid_p, last_thread_of_process_p): New. (linux_kill_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (linux_kill): Add `pid' argument. Handle it. Adjust to multiple processes. Remove process from process table. (linux_detach_one_lwp): Add `args' parameter. Handle it. Adjust to multiple processes. (any_thread_of): New. (linux_detach): Add `pid' argument, and handle it. Remove process from processes table. (linux_join): Add `pid' argument. Handle it. (linux_thread_alive): Change unsighed long argument to ptid_t. Consider dead lwps as not being alive. (status_pending_p): Rename `dummy' argument to `arg'. Filter out threads we're not interested in. (same_lwp, find_lwp_pid): New. (linux_wait_for_lwp): Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): Rename to ... (linux_wait_for_event_1): ... this. Change `pid' argument's type from int to ptid_t. Adjust. (linux_wait_for_event): New. (linux_wait_1): Add `ptid' argument. Change return type to ptid_t. Adjust. Use last_thread_of_process_p. Remove processes that exit from the process table. (linux_wait): Add `ptid' argument. Change return type to ptid_t. Adjust. (mark_lwp_dead): New. (wait_for_sigstop): Adjust to use ptids. If a process exits while stopping all threads, mark its main lwp as dead. (linux_set_resume_request, linux_resume_one_thread): Adjust to use ptids. (fetch_register, usr_store_inferior_registers) (regsets_fetch_inferior_registers) (regsets_store_inferior_registers, linux_read_memory) (linux_write_memory): Inline `inferior_pid'. (linux_look_up_symbols): Adjust to use per-process `thread_db_active'. (linux_request_interrupt): Adjust to use ptids. (linux_read_auxv): Inline `inferior_pid'. (initialize_low): Don't reference thread_db_active. * gdb_proc_service.h (struct ps_prochandle) <pid>: Remove. * proc-service.c (ps_lgetregs): Use find_lwp_pid. (ps_getpid): Return the pid of the current inferior. * thread-db.c (proc_handle, thread_agent): Delete. (thread_db_create_event, thread_db_enable_reporting): Adjust to per-process data. (find_one_thread): Change argument type to ptid_t. Adjust to per-process data. (maybe_attach_thread): Adjust to per-process data and ptids. (thread_db_find_new_threads): Ditto. (thread_db_init): Ditto. * spu-low.c (spu_create_inferior, spu_attach): Add process to processes table. Adjust to use ptids. (spu_kill, spu_detach): Adjust interface. Remove process from processes table. (spu_join, spu_thread_alive): Adjust interface. (spu_wait): Adjust interface. Remove process from processes table. Adjust to use ptids. * win32-low.c (current_inferior_tid): Delete. (current_inferior_ptid): New. (debug_event_ptid): New. (thread_rec): Take a ptid. Adjust. (child_add_thread): Add `pid' argument. Adjust to use ptids. (child_delete_thread): Ditto. (do_initial_child_stuff): Add `attached' argument. Add process to processes table. (child_fetch_inferior_registers, child_store_inferior_registers): Adjust. (win32_create_inferior): Pass 0 to do_initial_child_stuff. (win32_attach): Pass 1 to do_initial_child_stuff. (win32_kill): Adjust interface. Remove process from processes table. (win32_detach): Ditto. (win32_join): Adjust interface. (win32_thread_alive): Take a ptid. (win32_resume): Adjust to use ptids. (get_child_debug_event): Ditto. (win32_wait): Adjust interface. Remove exiting process from processes table.
2009-04-02 00:50:24 +02:00
/* Convert pid to printable format. */
const char *
target_pid_to_str (ptid_t ptid)
{
static char buf[80];
if (ptid_equal (ptid, minus_one_ptid))
snprintf (buf, sizeof (buf), "<all threads>");
else if (ptid_equal (ptid, null_ptid))
snprintf (buf, sizeof (buf), "<null thread>");
else if (ptid_get_tid (ptid) != 0)
snprintf (buf, sizeof (buf), "Thread %d.0x%lx",
ptid_get_pid (ptid), ptid_get_tid (ptid));
else if (ptid_get_lwp (ptid) != 0)
snprintf (buf, sizeof (buf), "LWP %d.%ld",
ptid_get_pid (ptid), ptid_get_lwp (ptid));
else
snprintf (buf, sizeof (buf), "Process %d",
ptid_get_pid (ptid));
return buf;
}
GDBserver disconnected tracing support. * linux-low.c (linux_remove_process): Delete. (add_lwp): Don't set last_resume_kind here. (linux_kill): Use `mourn'. (linux_detach): Use `thread_db_detach', and `mourn'. (linux_mourn): New. (linux_attach_lwp_1): Adjust comment. (linux_attach): last_resume_kind moved the thread_info; adjust. (status_pending_p_callback): Adjust. (linux_wait_for_event_1): Adjust. (count_events_callback, select_singlestep_lwp_callback) (select_event_lwp_callback, cancel_breakpoints_callback) (db_wants_lwp_stopped, linux_wait_1, need_step_over_p) (proceed_one_lwp): Adjust. (linux_async): Add debug output. (linux_thread_stopped): New. (linux_pause_all): New. (linux_target_ops): Install linux_mourn, linux_thread_stopped and linux_pause_all. * linux-low.h (struct lwp_info): Delete last_resume_kind field. (thread_db_free): Delete declaration. (thread_db_detach, thread_db_mourn): Declare. * thread-db.c (thread_db_init): Use thread_db_mourn. (thread_db_free): Delete, split in two. (disable_thread_event_reporting): New. (thread_db_detach): New. (thread_db_mourn): New. * server.h (struct thread_info) <last_resume_kind>: New field. <attached>: Add comment. <gdb_detached>: New field. (handler_func): Change return type to int. (handle_serial_event, handle_target_event): Ditto. (gdb_connected): Declare. (tracing): Delete. (disconnected_tracing): Declare. (stop_tracing): Declare. * server.c (handle_query) <qSupported>: Report support for disconnected tracing. (queue_stop_reply_callback): Account for running threads. (gdb_wants_thread_stopped): New. (gdb_wants_all_threads_stopped): New. (gdb_reattached_process): New. (handle_status): Clear the `gdb_detached' flag of all processes. In all-stop, stop all threads. (main): Be sure to leave tfind mode. Handle disconnected tracing. (process_serial_event): If the remote connection breaks, or if an exit was forced with "monitor exit", force an event loop exit. Handle disconnected tracing on detach. (handle_serial_event): Adjust. (handle_target_event): If GDB isn't connected, forward events back to the inferior, unless the last process exited, in which case, exit gdbserver. Adjust interface. * remote-utils.c (remote_open): Don't block in accept. Instead register an event loop source on the listen socket file descriptor. Refactor bits into ... (listen_desc): ... this new global. (gdb_connected): ... this new function. (enable_async_notification): ... this new function. (handle_accept_event): ... this new function. (remote_close): Clear remote_desc. * inferiors.c (add_thread): Set the new thread's last_resume_kind. * target.h (struct target_ops) <mourn, thread_stopped, pause_all>: New fields. (mourn_inferior): Define. (target_process_qsupported): Avoid the dangling else problem. (thread_stopped): Define. (pause_all): Define. (target_waitstatus_to_string): Declare. * target.c (target_waitstatus_to_string): New. * tracepoint.c (tracing): Make extern. (disconnected_tracing): New. (stop_tracing): Make extern. Handle tracing stops due to GDB disconnecting. (cmd_qtdisconnected): New. (cmd_qtstatus): Report disconnected tracing status in trace reply. (handle_tracepoint_general_set): Handle QTDisconnected. * event-loop.c (event_handler_func): Change return type to int. (process_event): Bail out if the event handler wants the event loop to stop. (handle_file_event): Ditto. (start_event_loop): Bail out if the event handler wants the event loop to stop. * nto-low.c (nto_target_ops): Adjust. * spu-low.c (spu_wait): Don't remove the process here. (spu_target_ops): Adjust. * win32-low.c (win32_wait): Don't remove the process here. (win32_target_ops): Adjust.
2010-04-11 18:33:56 +02:00
/* Return a pretty printed form of target_waitstatus. */
const char *
target_waitstatus_to_string (const struct target_waitstatus *ws)
{
static char buf[200];
const char *kind_str = "status->kind = ";
switch (ws->kind)
{
case TARGET_WAITKIND_EXITED:
sprintf (buf, "%sexited, status = %d",
kind_str, ws->value.integer);
break;
case TARGET_WAITKIND_STOPPED:
sprintf (buf, "%sstopped, signal = %s",
kind_str, target_signal_to_name (ws->value.sig));
break;
case TARGET_WAITKIND_SIGNALLED:
sprintf (buf, "%ssignalled, signal = %s",
kind_str, target_signal_to_name (ws->value.sig));
break;
case TARGET_WAITKIND_LOADED:
sprintf (buf, "%sloaded", kind_str);
break;
case TARGET_WAITKIND_EXECD:
sprintf (buf, "%sexecd", kind_str);
break;
case TARGET_WAITKIND_SPURIOUS:
sprintf (buf, "%sspurious", kind_str);
break;
case TARGET_WAITKIND_IGNORE:
sprintf (buf, "%signore", kind_str);
break;
default:
sprintf (buf, "%sunknown???", kind_str);
break;
}
return buf;
}