binutils-gdb/gdb/gdbserver/linux-low.h

362 lines
12 KiB
C
Raw Normal View History

/* Internal interfaces for the GNU/Linux specific target code for gdbserver.
Copyright (C) 2002-2014 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
Fix remaining GDBserver issues with !HAVE_THREAD_DB_H. The previous patches are still not sufficient to build gdbserver with our copy of thread_db.h. ../../../src/gdb/gdbserver/thread-db.c: In function ‘find_one_thread’: ../../../src/gdb/gdbserver/thread-db.c:316:6: error: ‘struct lwp_info’ has no member named ‘th’ ../../../src/gdb/gdbserver/thread-db.c: In function ‘attach_thread’: ../../../src/gdb/gdbserver/thread-db.c:341:6: error: ‘struct lwp_info’ has no member named ‘th’ ../../../src/gdb/gdbserver/thread-db.c: In function ‘thread_db_get_tls_address’: ../../../src/gdb/gdbserver/thread-db.c:514:47: error: ‘struct lwp_info’ has no member named ‘th’ make: *** [thread-db.o] Error 1 First, linux-low.h is including <thread_db.h> directly instead of our gdb_thread_db.h, although thread-db.c includes the latter. Then the 'th' field of struct lwp_info is only defined if HAVE_THREAD_DB_H is defined, which is not true if we're using our replacement copy of thread_db.h. We have a USE_THREAD_DB symbol defined if we're building thread-db.c that's ideal for this, however, it's currently only defined when compiling linux-low.c (through a Makefile rule). The patch makes it defined when compiling any file. gdb/gdbserver/ 2013-04-16 Pedro Alves <palves@redhat.com> * Makefile.in (INTERNAL_CFLAGS): Add @USE_THREAD_DB@. (linux-low.o): Delete rule. * linux-low.h: Always include "gdb_thread_db.h" instead of conditionally including thread_db.h. (struct lwp_info) <th>: Guard with #ifdef USE_THREAD_DB instead of HAVE_THREAD_DB_H.
2013-04-16 20:20:40 +02:00
#include "gdb_thread_db.h"
#include <signal.h>
#include "gdbthread.h"
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
#include "gdb_proc_service.h"
Unify ptrace options discovery code and make both GDB and gdbserver use it. gdb/ * Makefile.in (HFILES_NO_SRCDIR): Add nat/linux-nat.h and nat/linux-waitpid.h. (linux-waitpid.o): New object file rule. * common/linux-ptrace.c: Include nat/linux-waitpid.h. (current_ptrace_options): Moved from linux-nat.c. (linux_ptrace_test_ret_to_nx): Use type casts for ptrace parameters. (linux_fork_to_function): New function. (linux_grandchild_function): Likewise. (linux_child_function): Likewise. (linux_check_ptrace_features): New function, heavily based on linux-nat.c:linux_test_for_tracefork. (linux_enable_event_reporting): New function. (ptrace_supports_feature): Likewise. (linux_supports_tracefork): Likewise. (linux_supports_traceclone): Likewise. (linux_supports_tracevforkdone): Likewise. (linux_supports_tracesysgood): Likewise. * common/linux-ptrace.h (HAS_NOMMU): Moved from gdbserver/linux-low.c. (linux_enable_event_reporting): New declaration. (linux_supports_tracefork): Likewise. (linux_supports_traceclone): Likewise. (linux_supports_tracevforkdone): Likewise. (linux_supports_tracesysgood): Likewise. * config.in (PTRACE_TYPE_ARG4): Regenerate. * config/aarch64/linux.mh (NATDEPFILES): Add linux-waitpid.o. * config/alpha/alpha-linux.mh (NATDEPFILES): Likewise. * config/arm/linux.mh (NATDEPFILES): Likewise. * config/i386/linux.mh (NATDEPFILES): Likewise. * config/i386/linux64.mh (NATDEPFILES): Likewise. * config/ia64/linux.mh (NATDEPFILES): Likewise. * config/m32r/linux.mh (NATDEPFILES): Likewise. * config/m68k/linux.mh (NATDEPFILES): Likewise. * config/mips/linux.mh (NATDEPFILES): Likewise. * config/pa/linux.mh (NATDEPFILES): Likewise.. * config/powerpc/linux.mh (NATDEPFILES): Likewise.. * config/powerpc/ppc64-linux.mh (NATDEPFILES): Likewise. * config/powerpc/spu-linux.mh (NATDEPFILES): Likewise. * config/sparc/linux.mh (NATDEPFILES): Likewise. * config/sparc/linux64.mh (NATDEPFILES): Likewise. * config/tilegx/linux.mh (NATDEPFILES): Likewise. * config/xtensa/linux.mh (NATDEPFILES): Likewise. * configure.ac (AC_CACHE_CHECK): Add void * to the list of ptrace's 4th argument's types. Check the type of PTRACE_TYPE_ARG4. * configure: Regenerate. * linux-nat.c: Include nat/linux-nat.h and nat/linux-waitpid.h. (SYSCALL_SIGTRAP): Moved to nat/linux-nat.h. (linux_supports_tracefork_flag): Remove. (linux_supports_tracesysgood_flag): Likewise. (linux_supports_tracevforkdone_flag): Likewise. (current_ptrace_options): Moved to common/linux-ptrace.c. (linux_tracefork_child): Remove. (my_waitpid): Remove. (linux_test_for_tracefork): Renamed to linux_check_ptrace_features and moved to common/linux-ptrace.c. (linux_test_for_tracesysgood): Remove. (linux_supports_tracesysgood): Remove. (linux_supports_tracefork): Remove. (linux_supports_tracevforkdone): Remove. (linux_enable_tracesysgood): Remove. (linux_enable_event_reporting): Remove. (linux_init_ptrace): New function. (linux_child_post_attach): Call linux_init_ptrace. (linux_child_post_startup_inferior): Call linux_init_ptrace. (linux_child_follow_fork): Call linux_supports_tracefork and linux_supports_tracevforkdone. (linux_child_insert_fork_catchpoint): Call linux_supports_tracefork. (linux_child_insert_vfork_catchpoint): Likewise. (linux_child_set_syscall_catchpoint): Call linux_supports_tracesysgood. (lin_lwp_attach_lwp): Call linux_supports_tracefork. * nat/linux-nat.h: New file. * nat/linux-waitpid.c: New file. * nat/linux-waitpid.h: New file. gdb/gdbserver/ * Makefile.in: Explain why ../target and ../nat are not listed as include file search paths. (linux-waitpid.o): New object file rule. * configure.srv (srv_native_linux_obj): New variable. Replace all occurrences of linux native object files with $srv_native_linux_obj. * linux-low.c: Include nat/linux-nat.h and nat/linux-waitpid.h. (HAS_NOMMU): Move defining logic to common/linux-ptrace.c. (linux_enable_event_reporting): Remove declaration. (my_waitpid): Moved to common/linux-waitpid.c. (linux_wait_for_event): Pass ptid when calling linux_enable_event_reporting. (linux_supports_tracefork_flag): Remove. (linux_enable_event_reporting): Likewise. (linux_tracefork_grandchild): Remove. (STACK_SIZE): Moved to common/linux-ptrace.c. (linux_tracefork_child): Remove. (linux_test_for_tracefork): Remove. (linux_look_up_symbols): Call linux_supports_traceclone. (initialize_low): Remove call to linux_test_for_tracefork. * linux-low.h (PTRACE_TYPE_ARG3): Move to common/linux-ptrace.h. (PTRACE_TYPE_ARG4): Likewise. Include linux-ptrace.h.
2013-08-23 01:46:30 +02:00
/* Included for ptrace type definitions. */
#include "linux-ptrace.h"
#define PTRACE_XFER_TYPE long
#ifdef HAVE_LINUX_REGSETS
* regcache.h (struct thread_info): Forward declare. (struct regcache): New. (new_register_cache): Adjust prototype. (get_thread_regcache): Declare. (free_register_cache): Adjust prototype. (registers_to_string, registers_from_string): Ditto. (supply_register, supply_register_by_name, collect_register) (collect_register_as_string, collect_register_by_name): Ditto. * regcache.c (struct inferior_regcache_data): Delete. (get_regcache): Rename to ... (get_thread_regcache): ... this. Adjust. Switch inferior before fetching registers. (regcache_invalidate_one): Adjust. (regcache_invalidate): Fix prototype. (new_register_cache): Return the new register cache. (free_register_cache): Change prototype. (realloc_register_cache): Adjust. (registers_to_string): Change prototype to take a regcache. Adjust. (registers_from_string): Ditto. (register_data): Ditto. (supply_register): Ditto. (supply_register_by_name): Ditto. (collect_register): Ditto. (collect_register_as_string): Ditto. (collect_register_by_name): Ditto. * server.c (process_serial_event): Adjust. * linux-low.h (regset_fill_func, regset_store_func): Change prototype. (get_pc, set_pc, collect_ptrace_register, supply_ptrace_register): Change prototype. * linux-low.c (get_stop_pc): Adjust. (check_removed_breakpoint): Adjust. (linux_wait_for_event): Adjust. (linux_resume_one_lwp): Adjust. (fetch_register): Add regcache parameter. Adjust. (usr_store_inferior_registers): Ditto. (regsets_fetch_inferior_registers): Ditto. (regsets_store_inferior_registers): Ditto. (linux_fetch_registers, linux_store_registers): Ditto. * i387-fp.c (i387_cache_to_fsave): Change prototype to take a regcache. Adjust. (i387_fsave_to_cache, i387_cache_to_fxsave, i387_fxsave_to_cache): Ditto. * i387-fp.h (i387_cache_to_fsave, i387_fsave_to_cache): Change prototype to take a regcache. (i387_cache_to_fxsave, i387_fxsave_to_cache): Ditto. * remote-utils.c (convert_ascii_to_int, outreg) (prepare_resume_reply): Change prototype to take a regcache. Adjust. * target.h (struct target_ops) <fetch_registers, store_registers>: Change prototype to take a regcache. (fetch_inferior_registers, store_inferior_registers): Change prototype to take a regcache. Adjust. * proc-service.c (ps_lgetregs): Adjust. * linux-x86-low.c (x86_fill_gregset, x86_store_gregset) (x86_fill_fpregset, x86_store_fpregset, x86_fill_fpxregset) (x86_store_fpxregset, x86_get_pc, x86_set_pc): Change prototype to take a regcache. Adjust. * linux-arm-low.c (arm_fill_gregset, arm_store_gregset) (arm_fill_wmmxregset, arm_store_wmmxregset, arm_fill_vfpregset) (arm_store_vfpregset, arm_get_pc, arm_set_pc): (arm_breakpoint_at): Change prototype to take a regcache. Adjust. * linux-cris-low.c (cris_get_pc, cris_set_pc) (cris_cannot_fetch_register): (cris_breakpoint_at): Change prototype to take a regcache. Adjust. * linux-crisv32-low.c (cris_get_pc, cris_set_pc, cris_reinsert_addr, cris_write_data_breakpoint): Change prototype to take a regcache. Adjust. (cris_breakpoint_at, cris_insert_point, cris_remove_point): Adjust. * linux-m32r-low.c (m32r_get_pc, m32r_set_pc): Change prototype to take a regcache. Adjust. * linux-m68k-low.c (m68k_fill_gregset, m68k_store_gregset) (m68k_fill_fpregset, m68k_store_fpregset, m68k_get_pc, (m68k_set_pc): Change prototype to take a regcache. Adjust. * linux-mips-low.c (mips_get_pc): (mips_set_pc): Change prototype to take a regcache. Adjust. (mips_reinsert_addr): Adjust. (mips_collect_register): Change prototype to take a regcache. Adjust. (mips_supply_register): (mips_collect_register_32bit, mips_supply_register_32bit) (mips_fill_gregset, mips_store_gregset, mips_fill_fpregset) (mips_store_fpregset): Ditto. * linux-ppc-low.c (ppc_supply_ptrace_register, ppc_supply_ptrace_register): Ditto. (parse_spufs_run): Adjust. (ppc_get_pc, ppc_set_pc, ppc_fill_gregset, ppc_fill_vsxregset) (ppc_store_vsxregset, ppc_fill_vrregset, ppc_store_vrregset) (ppc_fill_evrregset, ppc_store_evrregset): Change prototype to take a regcache. Adjust. * linux-s390-low.c (s390_collect_ptrace_register) (s390_supply_ptrace_register, s390_fill_gregset, s390_get_pc) (s390_set_pc): Change prototype to take a regcache. Adjust. (s390_arch_setup): Adjust. * linux-sh-low.c (sh_get_pc, sh_breakpoint_at) (sh_fill_gregset): Change prototype to take a regcache. Adjust. * linux-sparc-low.c (sparc_fill_gregset_to_stack) (sparc_fill_gregset, sparc_store_gregset_from_stack) (sparc_store_gregset, sparc_get_pc): Change prototype to take a regcache. Adjust. (sparc_breakpoint_at): Adjust. * linux-xtensa-low.c (xtensa_fill_gregset): (xtensa_store_gregset): (xtensa_fill_xtregset, xtensa_store_xtregset, xtensa_get_pc) (xtensa_set_pc): Change prototype to take a regcache. Adjust. * nto-low.c (nto_fetch_registers, nto_store_registers): Change prototype to take a regcache. Adjust. * win32-arm-low.c (arm_fetch_inferior_register) (arm_store_inferior_register): Change prototype to take a regcache. Adjust. * win32-i386-low.c (i386_fetch_inferior_register) (i386_store_inferior_register): Change prototype to take a regcache. Adjust. * win32-low.c (child_fetch_inferior_registers) (child_store_inferior_registers): Change prototype to take a regcache. Adjust. (win32_wait): Adjust. (win32_fetch_inferior_registers): Change prototype to take a regcache. Adjust. (win32_store_inferior_registers): Adjust. * win32-low.h (struct win32_target_ops) <fetch_inferior_register, store_inferior_register>: Change prototype to take a regcache.
2010-01-20 23:55:38 +01:00
typedef void (*regset_fill_func) (struct regcache *, void *);
typedef void (*regset_store_func) (struct regcache *, const void *);
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
enum regset_type {
GENERAL_REGS,
FP_REGS,
EXTENDED_REGS,
};
struct regset_info
{
int get_request, set_request;
Add x86 AVX support to gdbserver. 2010-04-07 H.J. Lu <hongjiu.lu@intel.com> * Makefile.in (clean): Updated. (i386-avx.o): New. (i386-avx.c): Likewise. (i386-avx-linux.o): Likewise. (i386-avx-linux.c): Likewise. (amd64-avx.o): Likewise. (amd64-avx.c): Likewise. (amd64-avx-linux.o): Likewise. (amd64-avx-linux.c): Likewise. * configure.srv (srv_i386_regobj): Add i386-avx.o. (srv_i386_linux_regobj): Add i386-avx-linux.o. (srv_amd64_regobj): Add amd64-avx.o. (srv_amd64_linux_regobj): Add amd64-avx-linux.o. (srv_i386_32bit_xmlfiles): Add i386/32bit-avx.xml. (srv_i386_64bit_xmlfiles): Add i386/64bit-avx.xml. (srv_i386_xmlfiles): Add i386/i386-avx.xml. (srv_amd64_xmlfiles): Add i386/amd64-avx.xml. (srv_i386_linux_xmlfiles): Add i386/i386-avx-linux.xml. (srv_amd64_linux_xmlfiles): Add i386/amd64-avx-linux.xml. * i387-fp.c: Include "i386-xstate.h". (i387_xsave): New. (i387_cache_to_xsave): Likewise. (i387_xsave_to_cache): Likewise. (x86_xcr0): Likewise. * i387-fp.h (i387_cache_to_xsave): Likewise. (i387_xsave_to_cache): Likewise. (x86_xcr0): Likewise. * linux-arm-low.c (target_regsets): Initialize nt_type to 0. * linux-crisv32-low.c (target_regsets): Likewise. * linux-m68k-low.c (target_regsets): Likewise. * linux-mips-low.c (target_regsets): Likewise. * linux-ppc-low.c (target_regsets): Likewise. * linux-s390-low.c (target_regsets): Likewise. * linux-sh-low.c (target_regsets): Likewise. * linux-sparc-low.c (target_regsets): Likewise. * linux-xtensa-low.c (target_regsets): Likewise. * linux-low.c: Include <sys/uio.h>. (regsets_fetch_inferior_registers): Support nt_type. (regsets_store_inferior_registers): Likewise. (linux_process_qsupported): New. (linux_target_ops): Add linux_process_qsupported. * linux-low.h (regset_info): Add nt_type. (linux_target_ops): Add process_qsupported. * linux-x86-low.c: Include "i386-xstate.h", "elf/common.h" and <sys/uio.h>. (init_registers_i386_avx_linux): New. (init_registers_amd64_avx_linux): Likewise. (xmltarget_i386_linux_no_xml): Likewise. (xmltarget_amd64_linux_no_xml): Likewise. (PTRACE_GETREGSET): Likewise. (PTRACE_SETREGSET): Likewise. (x86_fill_xstateregset): Likewise. (x86_store_xstateregset): Likewise. (use_xml): Likewise. (x86_linux_update_xmltarget): Likewise. (x86_linux_process_qsupported): Likewise. (target_regsets): Add NT_X86_XSTATE entry and Initialize nt_type. (x86_arch_setup): Don't call init_registers_amd64_linux nor init_registers_i386_linux here. Call x86_linux_update_xmltarget. (the_low_target): Add x86_linux_process_qsupported. * server.c (handle_query): Call target_process_qsupported. * target.h (target_ops): Add process_qsupported. (target_process_qsupported): New.
2010-04-07 20:49:46 +02:00
/* If NT_TYPE isn't 0, it will be passed to ptrace as the 3rd
argument and the 4th argument should be "const struct iovec *". */
int nt_type;
int size;
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
enum regset_type type;
regset_fill_func fill_function;
regset_store_func store_function;
};
[GDBserver] Multi-process + multi-arch This patch makes GDBserver support multi-process + biarch. Currently, if you're debugging more than one process at once with a single gdbserver (in extended-remote mode), then all processes must have the same architecture (e.g., 64-bit vs 32-bit). Otherwise, you see this: Added inferior 2 [Switching to inferior 2 [<null>] (<noexec>)] Reading symbols from /home/pedro/gdb/tests/main32...done. Temporary breakpoint 2 at 0x4004cf: main. (2 locations) Starting program: /home/pedro/gdb/tests/main32 warning: Selected architecture i386 is not compatible with reported target architecture i386:x86-64 warning: Architecture rejected target-supplied description Remote 'g' packet reply is too long: 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000090cfffff0000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000b042f7460000000000020000230000002b0000002b0000002b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f03000000000000ffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000801f00003b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 ... etc, etc ... Even though the process was running a 32-bit program, GDBserver sent back to GDB a register set in 64-bit layout. A patch (http://sourceware.org/ml/gdb-patches/2012-11/msg00228.html) a while ago made GDB track a target_gdbarch per inferior, and as consequence, fetch a target description per-inferior. This patch is the GDBserver counterpart, that makes GDBserver keep track of each process'es XML target description and register layout. So in the example above, GDBserver will send the correct register set in 32-bit layout to GDB. A new "struct target_desc" object (tdesc for short) is added, that holds the target description and register layout information about each process. Each `struct process_info' holds a pointer to a target description. The regcache also gains a pointer to a target description, mainly for convenience, and parallel with GDB (and possible future support for programs that flip processor modes). The low target's arch_setup routines are responsible for setting the process'es correct tdesc. This isn't that much different to how things were done before, except that instead of detecting the inferior process'es architecture and calling the corresponding init_registers_FOO routine, which would change the regcache layout globals and recreate the threads' regcaches, the regcache.c globals are gone, and the init_registers_$BAR routines now each initialize a separate global struct target_desc object (one for each arch variant GDBserver supports), and so all the init_registers_$BAR routines that are built into GDBserver are called early at GDBserver startup time (similarly to how GDB handles its built-in target descriptions), and then the arch_setup routine is responsible for making process_info->tdesc point to one of these target description globals. The regcache module is all parameterized to get the regcache's layout from the tdesc object instead of the old register_bytes, etc. globals. The threads' regcaches are now created lazily. The old scheme where we created each of them when we added a new thread doesn't work anymore, because we add the main thread/lwp before we see it stop for the first time, and it is only when we see the thread stop for the first time that we have a chance of determining the inferior's architecture (through the_low_target.arch_setup). Therefore when we add the main thread we don't know which architecture/tdesc its regcache should have. This patch makes the gdb.multi/multi-arch.exp test now pass against (extended-remote) GDBserver. It currently fails, without this patch. The IPA also uses the regcache, so it gains a new global struct target_desc pointer, which points at the description of the process it is loaded in. Re. the linux-low.c & friends changes. Since the register map etc. may differ between processes (64-bit vs 32-bit) etc., the linux_target_ops num_regs, regmap and regset_bitmap data fields are no longer sufficient. A new method is added in their place that returns a pointer to a new struct that includes all info linux-low.c needs to access registers of the current inferior. The patch/discussion that originally introduced linux-low.c:disabled_regsets mentions that the disabled_regsets set may be different per mode (in a biarch setup), and indeed that is cleared whenever we start a new (first) inferior, so that global is moved as well behind the new `struct regs_info'. On the x86 side: I simply replaced the i387-fp.c:num_xmm_registers global with a check for 64-bit or 32-bit process, which is equivalent to how the global was set. This avoided coming up with some more general mechanism that would work for all targets that use this module (GNU/Linux, Windows, etc.). Tested: GNU/Linux IA64 GNU/Linux MIPS64 GNU/Linux PowerPC (Fedora 16) GNU/Linux s390x (Fedora 16) GNU/Linux sparc64 (Debian) GNU/Linux x86_64, -m64 and -m32 (Fedora 17) Cross built, and smoke tested: i686-w64-mingw32, under Wine. GNU/Linux TI C6x, by Yao Qi. Cross built but otherwise not tested: aarch64-linux-gnu arm-linux-gnu m68k-linux nios2-linux-gnu sh-linux-gnu spu tilegx-unknown-linux-gnu Completely untested: GNU/Linux Blackfin GNU/Linux CRIS GNU/Linux CRISv32 GNU/Linux TI Xtensa GNU/Linux M32R LynxOS QNX NTO gdb/gdbserver/ 2013-06-07 Pedro Alves <palves@redhat.com> * Makefile.in (OBS): Add tdesc.o. (IPA_OBJS): Add tdesc-ipa.o. (tdesc-ipa.o): New rule. * ax.c (gdb_eval_agent_expr): Adjust register_size call to new interface. * linux-low.c (new_inferior): Delete. (disabled_regsets, num_regsets): Delete. (linux_add_process): Adjust to set the new per-process new_inferior flag. (linux_detach_one_lwp): Adjust to call regcache_invalidate_thread. (linux_wait_for_lwp): Adjust. Only call arch_setup if the event was a stop. When calling arch_setup, switch the current inferior to the thread that got an event. (linux_resume_one_lwp): Adjust to call regcache_invalidate_thread. (regsets_fetch_inferior_registers) (regsets_store_inferior_registers): New regsets_info parameter. Adjust to use it. (linux_register_in_regsets): New regs_info parameter. Adjust to use it. (register_addr, fetch_register, store_register): New usrregs_info parameter. Adjust to use it. (usr_fetch_inferior_registers, usr_store_inferior_registers): New parameter regs_info. Adjust to use it. (linux_fetch_registers): Get the current inferior's regs_info, and adjust to use it. (linux_store_registers): Ditto. [HAVE_LINUX_REGSETS] (initialize_regsets_info): New. (initialize_low): Don't initialize the target_regsets here. Call initialize_low_arch. * linux-low.h (target_regsets): Delete declaration. (struct regsets_info): New. (struct usrregs_info): New. (struct regs_info): New. (struct process_info_private) <new_inferior>: New field. (struct linux_target_ops): Delete the num_regs, regmap, and regset_bitmap fields. New field regs_info. [HAVE_LINUX_REGSETS] (initialize_regsets_info): Declare. * i387-fp.c (num_xmm_registers): Delete. (i387_cache_to_fsave, i387_fsave_to_cache): Adjust find_regno calls to new interface. (i387_cache_to_fxsave, i387_cache_to_xsave, i387_fxsave_to_cache) (i387_xsave_to_cache): Adjust find_regno calls to new interface. Infer the number of xmm registers from the regcache's target description. * i387-fp.h (num_xmm_registers): Delete. * inferiors.c (add_thread): Don't install the thread's regcache here. * proc-service.c (gregset_info): Fetch the current inferior's regs_info. Adjust to use it. * regcache.c: Include tdesc.h. (register_bytes, reg_defs, num_registers) (gdbserver_expedite_regs): Delete. (get_thread_regcache): If the thread doesn't have a regcache yet, create one, instead of aborting gdbserver. (regcache_invalidate_one): Rename to ... (regcache_invalidate_thread): ... this. (regcache_invalidate_one): New. (regcache_invalidate): Only invalidate registers of the current process. (init_register_cache): Add target_desc parameter, and use it. (new_register_cache): Ditto. Assert the target description has a non zero registers_size. (regcache_cpy): Add assertions. Adjust. (realloc_register_cache, set_register_cache): Delete. (registers_to_string, registers_from_string): Adjust. (find_register_by_name, find_regno, find_register_by_number) (register_cache_size): Add target_desc parameter, and use it. (free_register_cache_thread, free_register_cache_thread_one) (regcache_release, register_cache_size): New. (register_size): Add target_desc parameter, and use it. (register_data, supply_register, supply_register_zeroed) (supply_regblock, supply_register_by_name, collect_register) (collect_register_as_string, collect_register_by_name): Adjust. * regcache.h (struct target_desc): Forward declare. (struct regcache) <tdesc>: New field. (init_register_cache, new_register_cache): Add target_desc parameter. (regcache_invalidate_thread): Declare. (regcache_invalidate_one): Delete declaration. (regcache_release): Declare. (find_register_by_number, register_cache_size, register_size) (find_regno): Add target_desc parameter. (gdbserver_expedite_regs, gdbserver_xmltarget): Delete declarations. * remote-utils.c: Include tdesc.h. (outreg, prepare_resume_reply): Adjust. * server.c: Include tdesc.h. (gdbserver_xmltarget): Delete declaration. (get_features_xml, process_serial_event): Adjust. * server.h [IN_PROCESS_AGENT] (struct target_desc): Forward declare. (struct process_info) <tdesc>: New field. (ipa_tdesc): Declare. * tdesc.c: New file. * tdesc.h: New file. * tracepoint.c: Include tdesc.h. [IN_PROCESS_AGENT] (ipa_tdesc): Define. (get_context_regcache): Adjust to pass ipa_tdesc down. (do_action_at_tracepoint): Adjust to get the register cache size from the context regcache's description. (traceframe_walk_blocks): Adjust to get the register cache size from the current trace frame's description. (traceframe_get_pc): Adjust to get current trace frame's description and pass it down. (gdb_collect): Adjust to get the register cache size from the IPA's description. * linux-amd64-ipa.c (tdesc_amd64_linux): Declare. (gdbserver_xmltarget): Delete. (initialize_low_tracepoint): Set the ipa's target description. * linux-i386-ipa.c (tdesc_i386_linux): Declare. (initialize_low_tracepoint): Set the ipa's target description. * linux-x86-low.c: Include tdesc.h. [__x86_64__] (is_64bit_tdesc): New. (ps_get_thread_area, x86_get_thread_area): Use it. (i386_cannot_store_register): Rename to ... (x86_cannot_store_register): ... this. Use is_64bit_tdesc. (i386_cannot_fetch_register): Rename to ... (x86_cannot_fetch_register): ... this. Use is_64bit_tdesc. (x86_fill_gregset, x86_store_gregset): Adjust register_size calls to new interface. (target_regsets): Rename to ... (x86_regsets): ... this. (x86_get_pc, x86_set_pc): Adjust register_size calls to new interface. (x86_siginfo_fixup): Use is_64bit_tdesc. [__x86_64__] (tdesc_amd64_linux, tdesc_amd64_avx_linux) (tdesc_x32_avx_linux, tdesc_x32_linux) (tdesc_i386_linux, tdesc_i386_mmx_linux, tdesc_i386_avx_linux): Declare. (x86_linux_update_xmltarget): Delete. (I386_LINUX_XSAVE_XCR0_OFFSET): Define. (have_ptrace_getfpxregs, have_ptrace_getregset): New. (AMD64_LINUX_USER64_CS): New. (x86_linux_read_description): New, based on x86_linux_update_xmltarget. (same_process_callback): New. (x86_arch_setup_process_callback): New. (x86_linux_update_xmltarget): New. (x86_regsets_info): New. (amd64_linux_regs_info): New. (i386_linux_usrregs_info): New. (i386_linux_regs_info): New. (x86_linux_regs_info): New. (x86_arch_setup): Reimplement. (x86_install_fast_tracepoint_jump_pad): Use is_64bit_tdesc. (x86_emit_ops): Ditto. (the_low_target): Adjust. Install x86_linux_regs_info, x86_cannot_fetch_register, and x86_cannot_store_register. (initialize_low_arch): New. * linux-ia64-low.c (tdesc_ia64): Declare. (ia64_fetch_register): Adjust. (ia64_usrregs_info, regs_info): New globals. (ia64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sparc-low.c (tdesc_sparc64): Declare. (sparc_fill_gregset_to_stack, sparc_store_gregset_from_stack): Adjust. (sparc_arch_setup): New function. (sparc_regsets_info, sparc_usrregs_info, regs_info): New globals. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-ppc-low.c (tdesc_powerpc_32l, tdesc_powerpc_altivec32l) (tdesc_powerpc_cell32l, tdesc_powerpc_vsx32l) (tdesc_powerpc_isa205_32l, tdesc_powerpc_isa205_altivec32l) (tdesc_powerpc_isa205_vsx32l, tdesc_powerpc_e500l) (tdesc_powerpc_64l, tdesc_powerpc_altivec64l) (tdesc_powerpc_cell64l, tdesc_powerpc_vsx64l) (tdesc_powerpc_isa205_64l, tdesc_powerpc_isa205_altivec64l) (tdesc_powerpc_isa205_vsx64l): Declare. (ppc_cannot_store_register, ppc_collect_ptrace_register) (ppc_supply_ptrace_register, parse_spufs_run, ppc_get_pc) (ppc_set_pc, ppc_get_hwcap): Adjust. (ppc_usrregs_info): Forward declare. (!__powerpc64__) ppc_regmap_adjusted: New global. (ppc_arch_setup): Adjust to the current process'es target description. (ppc_fill_vsxregset, ppc_store_vsxregset, ppc_fill_vrregset) (ppc_store_vrregset, ppc_fill_evrregset, ppc_store_evrregse) (ppc_store_evrregset): Adjust. (target_regsets): Rename to ... (ppc_regsets): ... this, and make static. (ppc_usrregs_info, ppc_regsets_info, regs_info): New globals. (ppc_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-s390-low.c (tdesc_s390_linux32, tdesc_s390_linux32v1) (tdesc_s390_linux32v2, tdesc_s390_linux64, tdesc_s390_linux64v1) (tdesc_s390_linux64v2, tdesc_s390x_linux64, tdesc_s390x_linux64v1) (tdesc_s390x_linux64v2): Declare. (s390_collect_ptrace_register, s390_supply_ptrace_register) (s390_fill_gregset, s390_store_last_break): Adjust. (target_regsets): Rename to ... (s390_regsets): ... this, and make static. (s390_get_pc, s390_set_pc): Adjust. (s390_get_hwcap): New target_desc parameter, and use it. [__s390x__] (have_hwcap_s390_high_gprs): New global. (s390_arch_setup): Adjust to set the current process'es target description. Don't adjust the regmap. (s390_usrregs_info, s390_regsets_info, regs_info): New globals. [__s390x__] (s390_usrregs_info_3264, s390_regsets_info_3264) (regs_info_3264): New globals. (s390_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-mips-low.c (tdesc_mips_linux, tdesc_mips_dsp_linux) (tdesc_mips64_linux, tdesc_mips64_dsp_linux): Declare. [__mips64] (init_registers_mips_linux) (init_registers_mips_dsp_linux): Delete defines. [__mips64] (tdesc_mips_linux, tdesc_mips_dsp_linux): New defines. (have_dsp): New global. (mips_read_description): New, based on mips_arch_setup. (mips_arch_setup): Reimplement. (get_usrregs_info): New function. (mips_cannot_fetch_register, mips_cannot_store_register) (mips_get_pc, mips_set_pc, mips_fill_gregset, mips_store_gregset) (mips_fill_fpregset, mips_store_fpregset): Adjust. (target_regsets): Rename to ... (mips_regsets): ... this, and make static. (mips_regsets_info, mips_dsp_usrregs_info, mips_usrregs_info) (dsp_regs_info, regs_info): New globals. (mips_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-arm-low.c (tdesc_arm, tdesc_arm_with_iwmmxt) (tdesc_arm_with_vfpv2, tdesc_arm_with_vfpv3, tdesc_arm_with_neon): Declare. (arm_fill_vfpregset, arm_store_vfpregset): Adjust. (arm_read_description): New, with bits factored from arm_arch_setup. (arm_arch_setup): Reimplement. (target_regsets): Rename to ... (arm_regsets): ... this, and make static. (arm_regsets_info, arm_usrregs_info, regs_info): New globals. (arm_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m68k-low.c (tdesc_m68k): Declare. (target_regsets): Rename to ... (m68k_regsets): ... this, and make static. (m68k_regsets_info, m68k_usrregs_info, regs_info): New globals. (m68k_regs_info): New function. (m68k_arch_setup): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sh-low.c (tdesc_sharch): Declare. (target_regsets): Rename to ... (sh_regsets): ... this, and make static. (sh_regsets_info, sh_usrregs_info, regs_info): New globals. (sh_regs_info, sh_arch_setup): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-bfin-low.c (tdesc_bfin): Declare. (bfin_arch_setup): New function. (bfin_usrregs_info, regs_info): New globals. (bfin_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_cris): Declare. (cris_arch_setup): New function. (cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_crisv32): Declare. (cris_arch_setup): New function. (cris_regsets_info, cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m32r-low.c (tdesc_m32r): Declare. (m32r_arch_setup): New function. (m32r_usrregs_info, regs_info): New globals. (m32r_regs_info): Adjust. (initialize_low_arch): New function. * linux-tic6x-low.c (tdesc_tic6x_c64xp_linux) (tdesc_tic6x_c64x_linux, tdesc_tic6x_c62x_linux): Declare. (tic6x_usrregs_info): Forward declare. (tic6x_read_description): New function, based on ... (tic6x_arch_setup): ... this. Reimplement. (target_regsets): Rename to ... (tic6x_regsets): ... this, and make static. (tic6x_regsets_info, tic6x_usrregs_info, regs_info): New globals. (tic6x_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-xtensa-low.c (tdesc_xtensa): Declare. (xtensa_fill_gregset, xtensa_store_gregset): Adjust. (target_regsets): Rename to ... (xtensa_regsets): ... this, and make static. (xtensa_regsets_info, xtensa_usrregs_info, regs_info): New globals. (xtensa_arch_setup, xtensa_regs_info): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-nios2-low.c (tdesc_nios2_linux): Declare. (nios2_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (nios2_regsets): ... this. (nios2_regsets_info, nios2_usrregs_info, regs_info): New globals. (nios2_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-aarch64-low.c (tdesc_aarch64): Declare. (aarch64_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (aarch64_regsets): ... this. (aarch64_regsets_info, aarch64_usrregs_info, regs_info): New globals. (aarch64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-tile-low.c (tdesc_tilegx, tdesc_tilegx32): Declare globals. (target_regsets): Rename to ... (tile_regsets): ... this. (tile_regsets_info, tile_usrregs_info, regs_info): New globals. (tile_regs_info): New function. (tile_arch_setup): Set the current process'es tdesc. (the_low_target): Adjust. (initialize_low_arch): New function. * spu-low.c (tdesc_spu): Declare. (spu_create_inferior, spu_attach): Set the new process'es tdesc. * win32-arm-low.c (tdesc_arm): Declare. (arm_arch_setup): New function. (the_low_target): Install arm_arch_setup instead of init_registers_arm. * win32-i386-low.c (tdesc_i386, tdesc_amd64): Declare. (init_windows_x86): Rename to ... (i386_arch_setup): ... this. Set `win32_tdesc'. (the_low_target): Adjust. * win32-low.c (win32_tdesc): New global. (child_add_thread): Don't create the thread cache here. (do_initial_child_stuff): Set the new process'es tdesc. * win32-low.h (struct target_desc): Forward declare. (win32_tdesc): Declare. * lynx-i386-low.c (tdesc_i386): Declare global. (lynx_i386_arch_setup): Set `lynx_tdesc'. * lynx-low.c (lynx_tdesc): New global. (lynx_add_process): Set the new process'es tdesc. * lynx-low.h (struct target_desc): Forward declare. (lynx_tdesc): Declare global. * lynx-ppc-low.c (tdesc_powerpc_32): Declare global. (lynx_ppc_arch_setup): Set `lynx_tdesc'. * nto-low.c (nto_tdesc): New global. (do_attach): Set the new process'es tdesc. * nto-low.h (struct target_desc): Forward declare. (nto_tdesc): Declare. * nto-x86-low.c (tdesc_i386): Declare. (nto_x86_arch_setup): Set `nto_tdesc'. gdb/ 2013-06-07 Pedro Alves <palves@redhat.com> * regformats/regdat.sh: Output #include tdesc.h. Make globals static. Output a global target description pointer. (init_registers_${name}): Adjust to initialize a target description structure.
2013-06-07 12:46:59 +02:00
/* Aggregation of all the supported regsets of a given
architecture/mode. */
struct regsets_info
{
/* The regsets array. */
struct regset_info *regsets;
/* The number of regsets in the REGSETS array. */
int num_regsets;
/* If we get EIO on a regset, do not try it again. Note the set of
supported regsets may depend on processor mode on biarch
machines. This is a (lazily allocated) array holding one boolean
byte (0/1) per regset, with each element corresponding to the
regset in the REGSETS array above at the same offset. */
[GDBserver] Multi-process + multi-arch This patch makes GDBserver support multi-process + biarch. Currently, if you're debugging more than one process at once with a single gdbserver (in extended-remote mode), then all processes must have the same architecture (e.g., 64-bit vs 32-bit). Otherwise, you see this: Added inferior 2 [Switching to inferior 2 [<null>] (<noexec>)] Reading symbols from /home/pedro/gdb/tests/main32...done. Temporary breakpoint 2 at 0x4004cf: main. (2 locations) Starting program: /home/pedro/gdb/tests/main32 warning: Selected architecture i386 is not compatible with reported target architecture i386:x86-64 warning: Architecture rejected target-supplied description Remote 'g' packet reply is too long: 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000090cfffff0000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000b042f7460000000000020000230000002b0000002b0000002b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f03000000000000ffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000801f00003b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 ... etc, etc ... Even though the process was running a 32-bit program, GDBserver sent back to GDB a register set in 64-bit layout. A patch (http://sourceware.org/ml/gdb-patches/2012-11/msg00228.html) a while ago made GDB track a target_gdbarch per inferior, and as consequence, fetch a target description per-inferior. This patch is the GDBserver counterpart, that makes GDBserver keep track of each process'es XML target description and register layout. So in the example above, GDBserver will send the correct register set in 32-bit layout to GDB. A new "struct target_desc" object (tdesc for short) is added, that holds the target description and register layout information about each process. Each `struct process_info' holds a pointer to a target description. The regcache also gains a pointer to a target description, mainly for convenience, and parallel with GDB (and possible future support for programs that flip processor modes). The low target's arch_setup routines are responsible for setting the process'es correct tdesc. This isn't that much different to how things were done before, except that instead of detecting the inferior process'es architecture and calling the corresponding init_registers_FOO routine, which would change the regcache layout globals and recreate the threads' regcaches, the regcache.c globals are gone, and the init_registers_$BAR routines now each initialize a separate global struct target_desc object (one for each arch variant GDBserver supports), and so all the init_registers_$BAR routines that are built into GDBserver are called early at GDBserver startup time (similarly to how GDB handles its built-in target descriptions), and then the arch_setup routine is responsible for making process_info->tdesc point to one of these target description globals. The regcache module is all parameterized to get the regcache's layout from the tdesc object instead of the old register_bytes, etc. globals. The threads' regcaches are now created lazily. The old scheme where we created each of them when we added a new thread doesn't work anymore, because we add the main thread/lwp before we see it stop for the first time, and it is only when we see the thread stop for the first time that we have a chance of determining the inferior's architecture (through the_low_target.arch_setup). Therefore when we add the main thread we don't know which architecture/tdesc its regcache should have. This patch makes the gdb.multi/multi-arch.exp test now pass against (extended-remote) GDBserver. It currently fails, without this patch. The IPA also uses the regcache, so it gains a new global struct target_desc pointer, which points at the description of the process it is loaded in. Re. the linux-low.c & friends changes. Since the register map etc. may differ between processes (64-bit vs 32-bit) etc., the linux_target_ops num_regs, regmap and regset_bitmap data fields are no longer sufficient. A new method is added in their place that returns a pointer to a new struct that includes all info linux-low.c needs to access registers of the current inferior. The patch/discussion that originally introduced linux-low.c:disabled_regsets mentions that the disabled_regsets set may be different per mode (in a biarch setup), and indeed that is cleared whenever we start a new (first) inferior, so that global is moved as well behind the new `struct regs_info'. On the x86 side: I simply replaced the i387-fp.c:num_xmm_registers global with a check for 64-bit or 32-bit process, which is equivalent to how the global was set. This avoided coming up with some more general mechanism that would work for all targets that use this module (GNU/Linux, Windows, etc.). Tested: GNU/Linux IA64 GNU/Linux MIPS64 GNU/Linux PowerPC (Fedora 16) GNU/Linux s390x (Fedora 16) GNU/Linux sparc64 (Debian) GNU/Linux x86_64, -m64 and -m32 (Fedora 17) Cross built, and smoke tested: i686-w64-mingw32, under Wine. GNU/Linux TI C6x, by Yao Qi. Cross built but otherwise not tested: aarch64-linux-gnu arm-linux-gnu m68k-linux nios2-linux-gnu sh-linux-gnu spu tilegx-unknown-linux-gnu Completely untested: GNU/Linux Blackfin GNU/Linux CRIS GNU/Linux CRISv32 GNU/Linux TI Xtensa GNU/Linux M32R LynxOS QNX NTO gdb/gdbserver/ 2013-06-07 Pedro Alves <palves@redhat.com> * Makefile.in (OBS): Add tdesc.o. (IPA_OBJS): Add tdesc-ipa.o. (tdesc-ipa.o): New rule. * ax.c (gdb_eval_agent_expr): Adjust register_size call to new interface. * linux-low.c (new_inferior): Delete. (disabled_regsets, num_regsets): Delete. (linux_add_process): Adjust to set the new per-process new_inferior flag. (linux_detach_one_lwp): Adjust to call regcache_invalidate_thread. (linux_wait_for_lwp): Adjust. Only call arch_setup if the event was a stop. When calling arch_setup, switch the current inferior to the thread that got an event. (linux_resume_one_lwp): Adjust to call regcache_invalidate_thread. (regsets_fetch_inferior_registers) (regsets_store_inferior_registers): New regsets_info parameter. Adjust to use it. (linux_register_in_regsets): New regs_info parameter. Adjust to use it. (register_addr, fetch_register, store_register): New usrregs_info parameter. Adjust to use it. (usr_fetch_inferior_registers, usr_store_inferior_registers): New parameter regs_info. Adjust to use it. (linux_fetch_registers): Get the current inferior's regs_info, and adjust to use it. (linux_store_registers): Ditto. [HAVE_LINUX_REGSETS] (initialize_regsets_info): New. (initialize_low): Don't initialize the target_regsets here. Call initialize_low_arch. * linux-low.h (target_regsets): Delete declaration. (struct regsets_info): New. (struct usrregs_info): New. (struct regs_info): New. (struct process_info_private) <new_inferior>: New field. (struct linux_target_ops): Delete the num_regs, regmap, and regset_bitmap fields. New field regs_info. [HAVE_LINUX_REGSETS] (initialize_regsets_info): Declare. * i387-fp.c (num_xmm_registers): Delete. (i387_cache_to_fsave, i387_fsave_to_cache): Adjust find_regno calls to new interface. (i387_cache_to_fxsave, i387_cache_to_xsave, i387_fxsave_to_cache) (i387_xsave_to_cache): Adjust find_regno calls to new interface. Infer the number of xmm registers from the regcache's target description. * i387-fp.h (num_xmm_registers): Delete. * inferiors.c (add_thread): Don't install the thread's regcache here. * proc-service.c (gregset_info): Fetch the current inferior's regs_info. Adjust to use it. * regcache.c: Include tdesc.h. (register_bytes, reg_defs, num_registers) (gdbserver_expedite_regs): Delete. (get_thread_regcache): If the thread doesn't have a regcache yet, create one, instead of aborting gdbserver. (regcache_invalidate_one): Rename to ... (regcache_invalidate_thread): ... this. (regcache_invalidate_one): New. (regcache_invalidate): Only invalidate registers of the current process. (init_register_cache): Add target_desc parameter, and use it. (new_register_cache): Ditto. Assert the target description has a non zero registers_size. (regcache_cpy): Add assertions. Adjust. (realloc_register_cache, set_register_cache): Delete. (registers_to_string, registers_from_string): Adjust. (find_register_by_name, find_regno, find_register_by_number) (register_cache_size): Add target_desc parameter, and use it. (free_register_cache_thread, free_register_cache_thread_one) (regcache_release, register_cache_size): New. (register_size): Add target_desc parameter, and use it. (register_data, supply_register, supply_register_zeroed) (supply_regblock, supply_register_by_name, collect_register) (collect_register_as_string, collect_register_by_name): Adjust. * regcache.h (struct target_desc): Forward declare. (struct regcache) <tdesc>: New field. (init_register_cache, new_register_cache): Add target_desc parameter. (regcache_invalidate_thread): Declare. (regcache_invalidate_one): Delete declaration. (regcache_release): Declare. (find_register_by_number, register_cache_size, register_size) (find_regno): Add target_desc parameter. (gdbserver_expedite_regs, gdbserver_xmltarget): Delete declarations. * remote-utils.c: Include tdesc.h. (outreg, prepare_resume_reply): Adjust. * server.c: Include tdesc.h. (gdbserver_xmltarget): Delete declaration. (get_features_xml, process_serial_event): Adjust. * server.h [IN_PROCESS_AGENT] (struct target_desc): Forward declare. (struct process_info) <tdesc>: New field. (ipa_tdesc): Declare. * tdesc.c: New file. * tdesc.h: New file. * tracepoint.c: Include tdesc.h. [IN_PROCESS_AGENT] (ipa_tdesc): Define. (get_context_regcache): Adjust to pass ipa_tdesc down. (do_action_at_tracepoint): Adjust to get the register cache size from the context regcache's description. (traceframe_walk_blocks): Adjust to get the register cache size from the current trace frame's description. (traceframe_get_pc): Adjust to get current trace frame's description and pass it down. (gdb_collect): Adjust to get the register cache size from the IPA's description. * linux-amd64-ipa.c (tdesc_amd64_linux): Declare. (gdbserver_xmltarget): Delete. (initialize_low_tracepoint): Set the ipa's target description. * linux-i386-ipa.c (tdesc_i386_linux): Declare. (initialize_low_tracepoint): Set the ipa's target description. * linux-x86-low.c: Include tdesc.h. [__x86_64__] (is_64bit_tdesc): New. (ps_get_thread_area, x86_get_thread_area): Use it. (i386_cannot_store_register): Rename to ... (x86_cannot_store_register): ... this. Use is_64bit_tdesc. (i386_cannot_fetch_register): Rename to ... (x86_cannot_fetch_register): ... this. Use is_64bit_tdesc. (x86_fill_gregset, x86_store_gregset): Adjust register_size calls to new interface. (target_regsets): Rename to ... (x86_regsets): ... this. (x86_get_pc, x86_set_pc): Adjust register_size calls to new interface. (x86_siginfo_fixup): Use is_64bit_tdesc. [__x86_64__] (tdesc_amd64_linux, tdesc_amd64_avx_linux) (tdesc_x32_avx_linux, tdesc_x32_linux) (tdesc_i386_linux, tdesc_i386_mmx_linux, tdesc_i386_avx_linux): Declare. (x86_linux_update_xmltarget): Delete. (I386_LINUX_XSAVE_XCR0_OFFSET): Define. (have_ptrace_getfpxregs, have_ptrace_getregset): New. (AMD64_LINUX_USER64_CS): New. (x86_linux_read_description): New, based on x86_linux_update_xmltarget. (same_process_callback): New. (x86_arch_setup_process_callback): New. (x86_linux_update_xmltarget): New. (x86_regsets_info): New. (amd64_linux_regs_info): New. (i386_linux_usrregs_info): New. (i386_linux_regs_info): New. (x86_linux_regs_info): New. (x86_arch_setup): Reimplement. (x86_install_fast_tracepoint_jump_pad): Use is_64bit_tdesc. (x86_emit_ops): Ditto. (the_low_target): Adjust. Install x86_linux_regs_info, x86_cannot_fetch_register, and x86_cannot_store_register. (initialize_low_arch): New. * linux-ia64-low.c (tdesc_ia64): Declare. (ia64_fetch_register): Adjust. (ia64_usrregs_info, regs_info): New globals. (ia64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sparc-low.c (tdesc_sparc64): Declare. (sparc_fill_gregset_to_stack, sparc_store_gregset_from_stack): Adjust. (sparc_arch_setup): New function. (sparc_regsets_info, sparc_usrregs_info, regs_info): New globals. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-ppc-low.c (tdesc_powerpc_32l, tdesc_powerpc_altivec32l) (tdesc_powerpc_cell32l, tdesc_powerpc_vsx32l) (tdesc_powerpc_isa205_32l, tdesc_powerpc_isa205_altivec32l) (tdesc_powerpc_isa205_vsx32l, tdesc_powerpc_e500l) (tdesc_powerpc_64l, tdesc_powerpc_altivec64l) (tdesc_powerpc_cell64l, tdesc_powerpc_vsx64l) (tdesc_powerpc_isa205_64l, tdesc_powerpc_isa205_altivec64l) (tdesc_powerpc_isa205_vsx64l): Declare. (ppc_cannot_store_register, ppc_collect_ptrace_register) (ppc_supply_ptrace_register, parse_spufs_run, ppc_get_pc) (ppc_set_pc, ppc_get_hwcap): Adjust. (ppc_usrregs_info): Forward declare. (!__powerpc64__) ppc_regmap_adjusted: New global. (ppc_arch_setup): Adjust to the current process'es target description. (ppc_fill_vsxregset, ppc_store_vsxregset, ppc_fill_vrregset) (ppc_store_vrregset, ppc_fill_evrregset, ppc_store_evrregse) (ppc_store_evrregset): Adjust. (target_regsets): Rename to ... (ppc_regsets): ... this, and make static. (ppc_usrregs_info, ppc_regsets_info, regs_info): New globals. (ppc_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-s390-low.c (tdesc_s390_linux32, tdesc_s390_linux32v1) (tdesc_s390_linux32v2, tdesc_s390_linux64, tdesc_s390_linux64v1) (tdesc_s390_linux64v2, tdesc_s390x_linux64, tdesc_s390x_linux64v1) (tdesc_s390x_linux64v2): Declare. (s390_collect_ptrace_register, s390_supply_ptrace_register) (s390_fill_gregset, s390_store_last_break): Adjust. (target_regsets): Rename to ... (s390_regsets): ... this, and make static. (s390_get_pc, s390_set_pc): Adjust. (s390_get_hwcap): New target_desc parameter, and use it. [__s390x__] (have_hwcap_s390_high_gprs): New global. (s390_arch_setup): Adjust to set the current process'es target description. Don't adjust the regmap. (s390_usrregs_info, s390_regsets_info, regs_info): New globals. [__s390x__] (s390_usrregs_info_3264, s390_regsets_info_3264) (regs_info_3264): New globals. (s390_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-mips-low.c (tdesc_mips_linux, tdesc_mips_dsp_linux) (tdesc_mips64_linux, tdesc_mips64_dsp_linux): Declare. [__mips64] (init_registers_mips_linux) (init_registers_mips_dsp_linux): Delete defines. [__mips64] (tdesc_mips_linux, tdesc_mips_dsp_linux): New defines. (have_dsp): New global. (mips_read_description): New, based on mips_arch_setup. (mips_arch_setup): Reimplement. (get_usrregs_info): New function. (mips_cannot_fetch_register, mips_cannot_store_register) (mips_get_pc, mips_set_pc, mips_fill_gregset, mips_store_gregset) (mips_fill_fpregset, mips_store_fpregset): Adjust. (target_regsets): Rename to ... (mips_regsets): ... this, and make static. (mips_regsets_info, mips_dsp_usrregs_info, mips_usrregs_info) (dsp_regs_info, regs_info): New globals. (mips_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-arm-low.c (tdesc_arm, tdesc_arm_with_iwmmxt) (tdesc_arm_with_vfpv2, tdesc_arm_with_vfpv3, tdesc_arm_with_neon): Declare. (arm_fill_vfpregset, arm_store_vfpregset): Adjust. (arm_read_description): New, with bits factored from arm_arch_setup. (arm_arch_setup): Reimplement. (target_regsets): Rename to ... (arm_regsets): ... this, and make static. (arm_regsets_info, arm_usrregs_info, regs_info): New globals. (arm_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m68k-low.c (tdesc_m68k): Declare. (target_regsets): Rename to ... (m68k_regsets): ... this, and make static. (m68k_regsets_info, m68k_usrregs_info, regs_info): New globals. (m68k_regs_info): New function. (m68k_arch_setup): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sh-low.c (tdesc_sharch): Declare. (target_regsets): Rename to ... (sh_regsets): ... this, and make static. (sh_regsets_info, sh_usrregs_info, regs_info): New globals. (sh_regs_info, sh_arch_setup): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-bfin-low.c (tdesc_bfin): Declare. (bfin_arch_setup): New function. (bfin_usrregs_info, regs_info): New globals. (bfin_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_cris): Declare. (cris_arch_setup): New function. (cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_crisv32): Declare. (cris_arch_setup): New function. (cris_regsets_info, cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m32r-low.c (tdesc_m32r): Declare. (m32r_arch_setup): New function. (m32r_usrregs_info, regs_info): New globals. (m32r_regs_info): Adjust. (initialize_low_arch): New function. * linux-tic6x-low.c (tdesc_tic6x_c64xp_linux) (tdesc_tic6x_c64x_linux, tdesc_tic6x_c62x_linux): Declare. (tic6x_usrregs_info): Forward declare. (tic6x_read_description): New function, based on ... (tic6x_arch_setup): ... this. Reimplement. (target_regsets): Rename to ... (tic6x_regsets): ... this, and make static. (tic6x_regsets_info, tic6x_usrregs_info, regs_info): New globals. (tic6x_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-xtensa-low.c (tdesc_xtensa): Declare. (xtensa_fill_gregset, xtensa_store_gregset): Adjust. (target_regsets): Rename to ... (xtensa_regsets): ... this, and make static. (xtensa_regsets_info, xtensa_usrregs_info, regs_info): New globals. (xtensa_arch_setup, xtensa_regs_info): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-nios2-low.c (tdesc_nios2_linux): Declare. (nios2_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (nios2_regsets): ... this. (nios2_regsets_info, nios2_usrregs_info, regs_info): New globals. (nios2_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-aarch64-low.c (tdesc_aarch64): Declare. (aarch64_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (aarch64_regsets): ... this. (aarch64_regsets_info, aarch64_usrregs_info, regs_info): New globals. (aarch64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-tile-low.c (tdesc_tilegx, tdesc_tilegx32): Declare globals. (target_regsets): Rename to ... (tile_regsets): ... this. (tile_regsets_info, tile_usrregs_info, regs_info): New globals. (tile_regs_info): New function. (tile_arch_setup): Set the current process'es tdesc. (the_low_target): Adjust. (initialize_low_arch): New function. * spu-low.c (tdesc_spu): Declare. (spu_create_inferior, spu_attach): Set the new process'es tdesc. * win32-arm-low.c (tdesc_arm): Declare. (arm_arch_setup): New function. (the_low_target): Install arm_arch_setup instead of init_registers_arm. * win32-i386-low.c (tdesc_i386, tdesc_amd64): Declare. (init_windows_x86): Rename to ... (i386_arch_setup): ... this. Set `win32_tdesc'. (the_low_target): Adjust. * win32-low.c (win32_tdesc): New global. (child_add_thread): Don't create the thread cache here. (do_initial_child_stuff): Set the new process'es tdesc. * win32-low.h (struct target_desc): Forward declare. (win32_tdesc): Declare. * lynx-i386-low.c (tdesc_i386): Declare global. (lynx_i386_arch_setup): Set `lynx_tdesc'. * lynx-low.c (lynx_tdesc): New global. (lynx_add_process): Set the new process'es tdesc. * lynx-low.h (struct target_desc): Forward declare. (lynx_tdesc): Declare global. * lynx-ppc-low.c (tdesc_powerpc_32): Declare global. (lynx_ppc_arch_setup): Set `lynx_tdesc'. * nto-low.c (nto_tdesc): New global. (do_attach): Set the new process'es tdesc. * nto-low.h (struct target_desc): Forward declare. (nto_tdesc): Declare. * nto-x86-low.c (tdesc_i386): Declare. (nto_x86_arch_setup): Set `nto_tdesc'. gdb/ 2013-06-07 Pedro Alves <palves@redhat.com> * regformats/regdat.sh: Output #include tdesc.h. Make globals static. Output a global target description pointer. (init_registers_${name}): Adjust to initialize a target description structure.
2013-06-07 12:46:59 +02:00
char *disabled_regsets;
};
#endif
/* Mapping between the general-purpose registers in `struct user'
format and GDB's register array layout. */
struct usrregs_info
{
/* The number of registers accessible. */
int num_regs;
/* The registers map. */
int *regmap;
};
/* All info needed to access an architecture/mode's registers. */
struct regs_info
{
/* Regset support bitmap: 1 for registers that are transferred as a part
of a regset, 0 for ones that need to be handled individually. This
can be NULL if all registers are transferred with regsets or regsets
are not supported. */
unsigned char *regset_bitmap;
/* Info used when accessing registers with PTRACE_PEEKUSER /
PTRACE_POKEUSER. This can be NULL if all registers are
transferred with regsets .*/
struct usrregs_info *usrregs;
#ifdef HAVE_LINUX_REGSETS
/* Info used when accessing registers with regsets. */
struct regsets_info *regsets_info;
#endif
[GDBserver] Multi-process + multi-arch This patch makes GDBserver support multi-process + biarch. Currently, if you're debugging more than one process at once with a single gdbserver (in extended-remote mode), then all processes must have the same architecture (e.g., 64-bit vs 32-bit). Otherwise, you see this: Added inferior 2 [Switching to inferior 2 [<null>] (<noexec>)] Reading symbols from /home/pedro/gdb/tests/main32...done. Temporary breakpoint 2 at 0x4004cf: main. (2 locations) Starting program: /home/pedro/gdb/tests/main32 warning: Selected architecture i386 is not compatible with reported target architecture i386:x86-64 warning: Architecture rejected target-supplied description Remote 'g' packet reply is too long: 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000090cfffff0000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000b042f7460000000000020000230000002b0000002b0000002b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f03000000000000ffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000801f00003b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 ... etc, etc ... Even though the process was running a 32-bit program, GDBserver sent back to GDB a register set in 64-bit layout. A patch (http://sourceware.org/ml/gdb-patches/2012-11/msg00228.html) a while ago made GDB track a target_gdbarch per inferior, and as consequence, fetch a target description per-inferior. This patch is the GDBserver counterpart, that makes GDBserver keep track of each process'es XML target description and register layout. So in the example above, GDBserver will send the correct register set in 32-bit layout to GDB. A new "struct target_desc" object (tdesc for short) is added, that holds the target description and register layout information about each process. Each `struct process_info' holds a pointer to a target description. The regcache also gains a pointer to a target description, mainly for convenience, and parallel with GDB (and possible future support for programs that flip processor modes). The low target's arch_setup routines are responsible for setting the process'es correct tdesc. This isn't that much different to how things were done before, except that instead of detecting the inferior process'es architecture and calling the corresponding init_registers_FOO routine, which would change the regcache layout globals and recreate the threads' regcaches, the regcache.c globals are gone, and the init_registers_$BAR routines now each initialize a separate global struct target_desc object (one for each arch variant GDBserver supports), and so all the init_registers_$BAR routines that are built into GDBserver are called early at GDBserver startup time (similarly to how GDB handles its built-in target descriptions), and then the arch_setup routine is responsible for making process_info->tdesc point to one of these target description globals. The regcache module is all parameterized to get the regcache's layout from the tdesc object instead of the old register_bytes, etc. globals. The threads' regcaches are now created lazily. The old scheme where we created each of them when we added a new thread doesn't work anymore, because we add the main thread/lwp before we see it stop for the first time, and it is only when we see the thread stop for the first time that we have a chance of determining the inferior's architecture (through the_low_target.arch_setup). Therefore when we add the main thread we don't know which architecture/tdesc its regcache should have. This patch makes the gdb.multi/multi-arch.exp test now pass against (extended-remote) GDBserver. It currently fails, without this patch. The IPA also uses the regcache, so it gains a new global struct target_desc pointer, which points at the description of the process it is loaded in. Re. the linux-low.c & friends changes. Since the register map etc. may differ between processes (64-bit vs 32-bit) etc., the linux_target_ops num_regs, regmap and regset_bitmap data fields are no longer sufficient. A new method is added in their place that returns a pointer to a new struct that includes all info linux-low.c needs to access registers of the current inferior. The patch/discussion that originally introduced linux-low.c:disabled_regsets mentions that the disabled_regsets set may be different per mode (in a biarch setup), and indeed that is cleared whenever we start a new (first) inferior, so that global is moved as well behind the new `struct regs_info'. On the x86 side: I simply replaced the i387-fp.c:num_xmm_registers global with a check for 64-bit or 32-bit process, which is equivalent to how the global was set. This avoided coming up with some more general mechanism that would work for all targets that use this module (GNU/Linux, Windows, etc.). Tested: GNU/Linux IA64 GNU/Linux MIPS64 GNU/Linux PowerPC (Fedora 16) GNU/Linux s390x (Fedora 16) GNU/Linux sparc64 (Debian) GNU/Linux x86_64, -m64 and -m32 (Fedora 17) Cross built, and smoke tested: i686-w64-mingw32, under Wine. GNU/Linux TI C6x, by Yao Qi. Cross built but otherwise not tested: aarch64-linux-gnu arm-linux-gnu m68k-linux nios2-linux-gnu sh-linux-gnu spu tilegx-unknown-linux-gnu Completely untested: GNU/Linux Blackfin GNU/Linux CRIS GNU/Linux CRISv32 GNU/Linux TI Xtensa GNU/Linux M32R LynxOS QNX NTO gdb/gdbserver/ 2013-06-07 Pedro Alves <palves@redhat.com> * Makefile.in (OBS): Add tdesc.o. (IPA_OBJS): Add tdesc-ipa.o. (tdesc-ipa.o): New rule. * ax.c (gdb_eval_agent_expr): Adjust register_size call to new interface. * linux-low.c (new_inferior): Delete. (disabled_regsets, num_regsets): Delete. (linux_add_process): Adjust to set the new per-process new_inferior flag. (linux_detach_one_lwp): Adjust to call regcache_invalidate_thread. (linux_wait_for_lwp): Adjust. Only call arch_setup if the event was a stop. When calling arch_setup, switch the current inferior to the thread that got an event. (linux_resume_one_lwp): Adjust to call regcache_invalidate_thread. (regsets_fetch_inferior_registers) (regsets_store_inferior_registers): New regsets_info parameter. Adjust to use it. (linux_register_in_regsets): New regs_info parameter. Adjust to use it. (register_addr, fetch_register, store_register): New usrregs_info parameter. Adjust to use it. (usr_fetch_inferior_registers, usr_store_inferior_registers): New parameter regs_info. Adjust to use it. (linux_fetch_registers): Get the current inferior's regs_info, and adjust to use it. (linux_store_registers): Ditto. [HAVE_LINUX_REGSETS] (initialize_regsets_info): New. (initialize_low): Don't initialize the target_regsets here. Call initialize_low_arch. * linux-low.h (target_regsets): Delete declaration. (struct regsets_info): New. (struct usrregs_info): New. (struct regs_info): New. (struct process_info_private) <new_inferior>: New field. (struct linux_target_ops): Delete the num_regs, regmap, and regset_bitmap fields. New field regs_info. [HAVE_LINUX_REGSETS] (initialize_regsets_info): Declare. * i387-fp.c (num_xmm_registers): Delete. (i387_cache_to_fsave, i387_fsave_to_cache): Adjust find_regno calls to new interface. (i387_cache_to_fxsave, i387_cache_to_xsave, i387_fxsave_to_cache) (i387_xsave_to_cache): Adjust find_regno calls to new interface. Infer the number of xmm registers from the regcache's target description. * i387-fp.h (num_xmm_registers): Delete. * inferiors.c (add_thread): Don't install the thread's regcache here. * proc-service.c (gregset_info): Fetch the current inferior's regs_info. Adjust to use it. * regcache.c: Include tdesc.h. (register_bytes, reg_defs, num_registers) (gdbserver_expedite_regs): Delete. (get_thread_regcache): If the thread doesn't have a regcache yet, create one, instead of aborting gdbserver. (regcache_invalidate_one): Rename to ... (regcache_invalidate_thread): ... this. (regcache_invalidate_one): New. (regcache_invalidate): Only invalidate registers of the current process. (init_register_cache): Add target_desc parameter, and use it. (new_register_cache): Ditto. Assert the target description has a non zero registers_size. (regcache_cpy): Add assertions. Adjust. (realloc_register_cache, set_register_cache): Delete. (registers_to_string, registers_from_string): Adjust. (find_register_by_name, find_regno, find_register_by_number) (register_cache_size): Add target_desc parameter, and use it. (free_register_cache_thread, free_register_cache_thread_one) (regcache_release, register_cache_size): New. (register_size): Add target_desc parameter, and use it. (register_data, supply_register, supply_register_zeroed) (supply_regblock, supply_register_by_name, collect_register) (collect_register_as_string, collect_register_by_name): Adjust. * regcache.h (struct target_desc): Forward declare. (struct regcache) <tdesc>: New field. (init_register_cache, new_register_cache): Add target_desc parameter. (regcache_invalidate_thread): Declare. (regcache_invalidate_one): Delete declaration. (regcache_release): Declare. (find_register_by_number, register_cache_size, register_size) (find_regno): Add target_desc parameter. (gdbserver_expedite_regs, gdbserver_xmltarget): Delete declarations. * remote-utils.c: Include tdesc.h. (outreg, prepare_resume_reply): Adjust. * server.c: Include tdesc.h. (gdbserver_xmltarget): Delete declaration. (get_features_xml, process_serial_event): Adjust. * server.h [IN_PROCESS_AGENT] (struct target_desc): Forward declare. (struct process_info) <tdesc>: New field. (ipa_tdesc): Declare. * tdesc.c: New file. * tdesc.h: New file. * tracepoint.c: Include tdesc.h. [IN_PROCESS_AGENT] (ipa_tdesc): Define. (get_context_regcache): Adjust to pass ipa_tdesc down. (do_action_at_tracepoint): Adjust to get the register cache size from the context regcache's description. (traceframe_walk_blocks): Adjust to get the register cache size from the current trace frame's description. (traceframe_get_pc): Adjust to get current trace frame's description and pass it down. (gdb_collect): Adjust to get the register cache size from the IPA's description. * linux-amd64-ipa.c (tdesc_amd64_linux): Declare. (gdbserver_xmltarget): Delete. (initialize_low_tracepoint): Set the ipa's target description. * linux-i386-ipa.c (tdesc_i386_linux): Declare. (initialize_low_tracepoint): Set the ipa's target description. * linux-x86-low.c: Include tdesc.h. [__x86_64__] (is_64bit_tdesc): New. (ps_get_thread_area, x86_get_thread_area): Use it. (i386_cannot_store_register): Rename to ... (x86_cannot_store_register): ... this. Use is_64bit_tdesc. (i386_cannot_fetch_register): Rename to ... (x86_cannot_fetch_register): ... this. Use is_64bit_tdesc. (x86_fill_gregset, x86_store_gregset): Adjust register_size calls to new interface. (target_regsets): Rename to ... (x86_regsets): ... this. (x86_get_pc, x86_set_pc): Adjust register_size calls to new interface. (x86_siginfo_fixup): Use is_64bit_tdesc. [__x86_64__] (tdesc_amd64_linux, tdesc_amd64_avx_linux) (tdesc_x32_avx_linux, tdesc_x32_linux) (tdesc_i386_linux, tdesc_i386_mmx_linux, tdesc_i386_avx_linux): Declare. (x86_linux_update_xmltarget): Delete. (I386_LINUX_XSAVE_XCR0_OFFSET): Define. (have_ptrace_getfpxregs, have_ptrace_getregset): New. (AMD64_LINUX_USER64_CS): New. (x86_linux_read_description): New, based on x86_linux_update_xmltarget. (same_process_callback): New. (x86_arch_setup_process_callback): New. (x86_linux_update_xmltarget): New. (x86_regsets_info): New. (amd64_linux_regs_info): New. (i386_linux_usrregs_info): New. (i386_linux_regs_info): New. (x86_linux_regs_info): New. (x86_arch_setup): Reimplement. (x86_install_fast_tracepoint_jump_pad): Use is_64bit_tdesc. (x86_emit_ops): Ditto. (the_low_target): Adjust. Install x86_linux_regs_info, x86_cannot_fetch_register, and x86_cannot_store_register. (initialize_low_arch): New. * linux-ia64-low.c (tdesc_ia64): Declare. (ia64_fetch_register): Adjust. (ia64_usrregs_info, regs_info): New globals. (ia64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sparc-low.c (tdesc_sparc64): Declare. (sparc_fill_gregset_to_stack, sparc_store_gregset_from_stack): Adjust. (sparc_arch_setup): New function. (sparc_regsets_info, sparc_usrregs_info, regs_info): New globals. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-ppc-low.c (tdesc_powerpc_32l, tdesc_powerpc_altivec32l) (tdesc_powerpc_cell32l, tdesc_powerpc_vsx32l) (tdesc_powerpc_isa205_32l, tdesc_powerpc_isa205_altivec32l) (tdesc_powerpc_isa205_vsx32l, tdesc_powerpc_e500l) (tdesc_powerpc_64l, tdesc_powerpc_altivec64l) (tdesc_powerpc_cell64l, tdesc_powerpc_vsx64l) (tdesc_powerpc_isa205_64l, tdesc_powerpc_isa205_altivec64l) (tdesc_powerpc_isa205_vsx64l): Declare. (ppc_cannot_store_register, ppc_collect_ptrace_register) (ppc_supply_ptrace_register, parse_spufs_run, ppc_get_pc) (ppc_set_pc, ppc_get_hwcap): Adjust. (ppc_usrregs_info): Forward declare. (!__powerpc64__) ppc_regmap_adjusted: New global. (ppc_arch_setup): Adjust to the current process'es target description. (ppc_fill_vsxregset, ppc_store_vsxregset, ppc_fill_vrregset) (ppc_store_vrregset, ppc_fill_evrregset, ppc_store_evrregse) (ppc_store_evrregset): Adjust. (target_regsets): Rename to ... (ppc_regsets): ... this, and make static. (ppc_usrregs_info, ppc_regsets_info, regs_info): New globals. (ppc_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-s390-low.c (tdesc_s390_linux32, tdesc_s390_linux32v1) (tdesc_s390_linux32v2, tdesc_s390_linux64, tdesc_s390_linux64v1) (tdesc_s390_linux64v2, tdesc_s390x_linux64, tdesc_s390x_linux64v1) (tdesc_s390x_linux64v2): Declare. (s390_collect_ptrace_register, s390_supply_ptrace_register) (s390_fill_gregset, s390_store_last_break): Adjust. (target_regsets): Rename to ... (s390_regsets): ... this, and make static. (s390_get_pc, s390_set_pc): Adjust. (s390_get_hwcap): New target_desc parameter, and use it. [__s390x__] (have_hwcap_s390_high_gprs): New global. (s390_arch_setup): Adjust to set the current process'es target description. Don't adjust the regmap. (s390_usrregs_info, s390_regsets_info, regs_info): New globals. [__s390x__] (s390_usrregs_info_3264, s390_regsets_info_3264) (regs_info_3264): New globals. (s390_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-mips-low.c (tdesc_mips_linux, tdesc_mips_dsp_linux) (tdesc_mips64_linux, tdesc_mips64_dsp_linux): Declare. [__mips64] (init_registers_mips_linux) (init_registers_mips_dsp_linux): Delete defines. [__mips64] (tdesc_mips_linux, tdesc_mips_dsp_linux): New defines. (have_dsp): New global. (mips_read_description): New, based on mips_arch_setup. (mips_arch_setup): Reimplement. (get_usrregs_info): New function. (mips_cannot_fetch_register, mips_cannot_store_register) (mips_get_pc, mips_set_pc, mips_fill_gregset, mips_store_gregset) (mips_fill_fpregset, mips_store_fpregset): Adjust. (target_regsets): Rename to ... (mips_regsets): ... this, and make static. (mips_regsets_info, mips_dsp_usrregs_info, mips_usrregs_info) (dsp_regs_info, regs_info): New globals. (mips_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-arm-low.c (tdesc_arm, tdesc_arm_with_iwmmxt) (tdesc_arm_with_vfpv2, tdesc_arm_with_vfpv3, tdesc_arm_with_neon): Declare. (arm_fill_vfpregset, arm_store_vfpregset): Adjust. (arm_read_description): New, with bits factored from arm_arch_setup. (arm_arch_setup): Reimplement. (target_regsets): Rename to ... (arm_regsets): ... this, and make static. (arm_regsets_info, arm_usrregs_info, regs_info): New globals. (arm_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m68k-low.c (tdesc_m68k): Declare. (target_regsets): Rename to ... (m68k_regsets): ... this, and make static. (m68k_regsets_info, m68k_usrregs_info, regs_info): New globals. (m68k_regs_info): New function. (m68k_arch_setup): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sh-low.c (tdesc_sharch): Declare. (target_regsets): Rename to ... (sh_regsets): ... this, and make static. (sh_regsets_info, sh_usrregs_info, regs_info): New globals. (sh_regs_info, sh_arch_setup): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-bfin-low.c (tdesc_bfin): Declare. (bfin_arch_setup): New function. (bfin_usrregs_info, regs_info): New globals. (bfin_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_cris): Declare. (cris_arch_setup): New function. (cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_crisv32): Declare. (cris_arch_setup): New function. (cris_regsets_info, cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m32r-low.c (tdesc_m32r): Declare. (m32r_arch_setup): New function. (m32r_usrregs_info, regs_info): New globals. (m32r_regs_info): Adjust. (initialize_low_arch): New function. * linux-tic6x-low.c (tdesc_tic6x_c64xp_linux) (tdesc_tic6x_c64x_linux, tdesc_tic6x_c62x_linux): Declare. (tic6x_usrregs_info): Forward declare. (tic6x_read_description): New function, based on ... (tic6x_arch_setup): ... this. Reimplement. (target_regsets): Rename to ... (tic6x_regsets): ... this, and make static. (tic6x_regsets_info, tic6x_usrregs_info, regs_info): New globals. (tic6x_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-xtensa-low.c (tdesc_xtensa): Declare. (xtensa_fill_gregset, xtensa_store_gregset): Adjust. (target_regsets): Rename to ... (xtensa_regsets): ... this, and make static. (xtensa_regsets_info, xtensa_usrregs_info, regs_info): New globals. (xtensa_arch_setup, xtensa_regs_info): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-nios2-low.c (tdesc_nios2_linux): Declare. (nios2_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (nios2_regsets): ... this. (nios2_regsets_info, nios2_usrregs_info, regs_info): New globals. (nios2_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-aarch64-low.c (tdesc_aarch64): Declare. (aarch64_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (aarch64_regsets): ... this. (aarch64_regsets_info, aarch64_usrregs_info, regs_info): New globals. (aarch64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-tile-low.c (tdesc_tilegx, tdesc_tilegx32): Declare globals. (target_regsets): Rename to ... (tile_regsets): ... this. (tile_regsets_info, tile_usrregs_info, regs_info): New globals. (tile_regs_info): New function. (tile_arch_setup): Set the current process'es tdesc. (the_low_target): Adjust. (initialize_low_arch): New function. * spu-low.c (tdesc_spu): Declare. (spu_create_inferior, spu_attach): Set the new process'es tdesc. * win32-arm-low.c (tdesc_arm): Declare. (arm_arch_setup): New function. (the_low_target): Install arm_arch_setup instead of init_registers_arm. * win32-i386-low.c (tdesc_i386, tdesc_amd64): Declare. (init_windows_x86): Rename to ... (i386_arch_setup): ... this. Set `win32_tdesc'. (the_low_target): Adjust. * win32-low.c (win32_tdesc): New global. (child_add_thread): Don't create the thread cache here. (do_initial_child_stuff): Set the new process'es tdesc. * win32-low.h (struct target_desc): Forward declare. (win32_tdesc): Declare. * lynx-i386-low.c (tdesc_i386): Declare global. (lynx_i386_arch_setup): Set `lynx_tdesc'. * lynx-low.c (lynx_tdesc): New global. (lynx_add_process): Set the new process'es tdesc. * lynx-low.h (struct target_desc): Forward declare. (lynx_tdesc): Declare global. * lynx-ppc-low.c (tdesc_powerpc_32): Declare global. (lynx_ppc_arch_setup): Set `lynx_tdesc'. * nto-low.c (nto_tdesc): New global. (do_attach): Set the new process'es tdesc. * nto-low.h (struct target_desc): Forward declare. (nto_tdesc): Declare. * nto-x86-low.c (tdesc_i386): Declare. (nto_x86_arch_setup): Set `nto_tdesc'. gdb/ 2013-06-07 Pedro Alves <palves@redhat.com> * regformats/regdat.sh: Output #include tdesc.h. Make globals static. Output a global target description pointer. (init_registers_${name}): Adjust to initialize a target description structure.
2013-06-07 12:46:59 +02:00
};
2002-04-09 Daniel Jacobowitz <drow@mvista.com> * linux-low.h: Remove obsolete prototypes. (struct linux_target_ops): New. (extern the_low_target): New. * linux-low.c (num_regs, regmap): Remove declarations. (register_addr): Use the_low_target explicitly. (fetch_register): Likewise. (usr_fetch_inferior_registers): Likewise. (usr_store_inferior_registers): Likewise. * linux-arm-low.c (num_regs): Remove. (arm_num_regs): Define. (arm_regmap): Renamed from regmap, made static. (arm_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (arm_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-i386-low.c (num_regs): Remove. (i386_num_regs): Define. (i386_regmap): Renamed from regmap, made static. (i386_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (i386_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-ia64-low.c (num_regs): Remove. (ia64_num_regs): Define. (ia64_regmap): Renamed from regmap, made static. (ia64_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (ia64_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-m68k-low.c (num_regs): Remove. (m68k_num_regs): Define. (m68k_regmap): Renamed from regmap, made static. (m68k_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (m68k_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-mips-low.c (num_regs): Remove. (mips_num_regs): Define. (mips_regmap): Renamed from regmap, made static. (mips_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (mips_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-ppc-low.c (num_regs): Remove. (ppc_num_regs): Define. (ppc_regmap): Renamed from regmap, made static. (ppc_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (ppc_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-s390-low.c (num_regs): Remove. (s390_num_regs): Define. (s390_regmap): Renamed from regmap, made static. (s390_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (s390_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-sh-low.c (num_regs): Remove. (sh_num_regs): Define. (sh_regmap): Renamed from regmap, made static. (sh_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (sh_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-x86-64-low.c (x86_64_regmap): Renamed from regmap. (the_low_target): New.
2002-04-10 00:44:43 +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
struct process_info_private
{
Add h/w watchpoint support to x86-linux, win32-i386. * Makefile.in (SFILES): Add i386-low.c (i386_low_h): Define. (i386-low.o): Add dependencies. (linux-x86-low.o): Add i386-low.h dependency. (win32-i386-low.o): Ditto. * i386-low.c: New file. * i386-low.h: New file. * configure.srv (i[34567]86-*-cygwin*): Add i386-low.o to srv_tgtobj. (i[34567]86-*-linux*, i[34567]86-*-mingw*, x86_64-*-linux*): Ditto. * linux-low.c (linux_add_process): Initialize arch_private. (linux_remove_process): Free arch_private. (add_lwp): Initialize arch_private. (delete_lwp): Free arch_private. (linux_resume_one_lwp): Call the_low_target.prepare_to_resume if provided. * linux-low.h (process_info_private): New member arch_private. (lwp_info): New member arch_private. (linux_target_ops): New members new_process, new_thread, prepare_to_resume. (ptid_of): New macro. * linux-x86-low.c: Include stddef.h, i386-low.h. (arch_process_info): New struct. (arch_lwp_info): New struct. (x86_linux_dr_get, x86_linux_dr_set): New functions. (i386_dr_low_set_addr, i386_dr_low_set_control): New functions. (i386_dr_low_get_status): New function. (x86_insert_point, x86_remove_point): New functions. (x86_stopped_by_watchpoint): New function. (x86_stopped_data_address): New function. (x86_linux_new_process, x86_linux_new_thread): New functions. (x86_linux_prepare_to_resume): New function. (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address, new_process, new_thread, prepare_to_resume. * server.c (debug_hw_points): New global. (monitor_show_help): Document set debug-hw-points. (handle_query): Process "set debug-hw-points". * server.h (debug_hw_points): Declare. (paddress): Declare. * utils.c (NUMCELLS, CELLSIZE): New macros. (get_sell, xsnprintf, paddress): New functions. * win32-arm-low.c (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address. * win32-i386-low.c: Include i386-low.h. (debug_reg_state): Replaces dr. (i386_dr_low_set_addr, i386_dr_low_set_control): New functions. (i386_dr_low_get_status): New function. (i386_insert_point, i386_remove_point): New functions. (i386_stopped_by_watchpoint): New function. (i386_stopped_data_address): New function. (i386_initial_stuff): Update. (get_thread_context,set_thread_context,i386_thread_added): Update. (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address. * win32-low.c (win32_insert_watchpoint): New function. (win32_remove_watchpoint): New function. (win32_stopped_by_watchpoint): New function. (win32_stopped_data_address): New function. (win32_target_ops): Add entries for insert_watchpoint, remove_watchpoint, stopped_by_watchpoint, stopped_data_address. * win32-low.h (win32_target_ops): New members insert_point, remove_point, stopped_by_watchpoint, stopped_data_address.
2009-06-30 18:35:25 +02:00
/* Arch-specific additions. */
struct arch_process_info *arch_private;
/* libthread_db-specific additions. Not NULL if this process has loaded
thread_db, and it is active. */
struct thread_db *thread_db;
gdb/ * Makefile.in (XMLFILES): Add library-list-svr4.dtd. * features/library-list-svr4.dtd: New file. * remote.c (PACKET_qXfer_libraries_svr4): New. (remote_protocol_features): new entry for PACKET_qXfer_libraries_svr4. (remote_xfer_partial): Handle TARGET_OBJECT_LIBRARIES_SVR4. * solib-svr4.c (struct svr4_library_list): New. [HAVE_LIBEXPAT]: Include xml-support.h. [HAVE_LIBEXPAT] (svr4_library_list_start_library) [HAVE_LIBEXPAT] (svr4_library_list_start_list, svr4_library_attributes) [HAVE_LIBEXPAT] (svr4_library_list_children) [HAVE_LIBEXPAT] (svr4_library_list_attributes) [HAVE_LIBEXPAT] (svr4_library_list_elements, svr4_parse_libraries) [HAVE_LIBEXPAT] (svr4_current_sos_via_xfer_libraries) [!HAVE_LIBEXPAT] (svr4_current_sos_via_xfer_libraries): New. (svr4_read_so_list): Extend the corruption message by addresses. (svr4_current_sos): New variable library_list, call svr4_current_sos_via_xfer_libraries. * target.h (enum target_object): New TARGET_OBJECT_LIBRARIES_SVR4. gdb/gdbserver/ * linux-low.c (get_phdr_phnum_from_proc_auxv, get_dynamic, get_r_debug) (read_one_ptr, struct link_map_offsets, linux_qxfer_libraries_svr4): New. (struct linux_target_ops): Install linux_qxfer_libraries_svr4. * linux-low.h (struct process_info_private): New member r_debug. * server.c (handle_qxfer_libraries): Call the_target->qxfer_libraries_svr4. (handle_qxfer_libraries_svr4): New function. (qxfer_packets): New entry "libraries-svr4". (handle_query): Check QXFER_LIBRARIES_SVR4 and report libraries-svr4. * target.h (struct target_ops): New member qxfer_libraries_svr4. * remote.c (remote_xfer_partial): Call add_packet_config_cmd for PACKET_qXfer_libraries_svr4. gdb/doc/ * gdb.texinfo (Requirements, Remote Protocol): Reference also `Library List Format for SVR4 Targets'. (General Query Packets): New item qXfer:libraries-svr4:read. (Library List Format for SVR4 Targets): New node. gdb/testsuite/ * gdb.base/solib-corrupted.exp: Suppress test on is_remote target. (corrupted list): Adjust the expectation.
2011-12-02 23:26:54 +01:00
/* &_r_debug. 0 if not yet determined. -1 if no PT_DYNAMIC in Phdrs. */
CORE_ADDR r_debug;
[GDBserver] Multi-process + multi-arch This patch makes GDBserver support multi-process + biarch. Currently, if you're debugging more than one process at once with a single gdbserver (in extended-remote mode), then all processes must have the same architecture (e.g., 64-bit vs 32-bit). Otherwise, you see this: Added inferior 2 [Switching to inferior 2 [<null>] (<noexec>)] Reading symbols from /home/pedro/gdb/tests/main32...done. Temporary breakpoint 2 at 0x4004cf: main. (2 locations) Starting program: /home/pedro/gdb/tests/main32 warning: Selected architecture i386 is not compatible with reported target architecture i386:x86-64 warning: Architecture rejected target-supplied description Remote 'g' packet reply is too long: 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000090cfffff0000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000b042f7460000000000020000230000002b0000002b0000002b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f03000000000000ffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000801f00003b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 ... etc, etc ... Even though the process was running a 32-bit program, GDBserver sent back to GDB a register set in 64-bit layout. A patch (http://sourceware.org/ml/gdb-patches/2012-11/msg00228.html) a while ago made GDB track a target_gdbarch per inferior, and as consequence, fetch a target description per-inferior. This patch is the GDBserver counterpart, that makes GDBserver keep track of each process'es XML target description and register layout. So in the example above, GDBserver will send the correct register set in 32-bit layout to GDB. A new "struct target_desc" object (tdesc for short) is added, that holds the target description and register layout information about each process. Each `struct process_info' holds a pointer to a target description. The regcache also gains a pointer to a target description, mainly for convenience, and parallel with GDB (and possible future support for programs that flip processor modes). The low target's arch_setup routines are responsible for setting the process'es correct tdesc. This isn't that much different to how things were done before, except that instead of detecting the inferior process'es architecture and calling the corresponding init_registers_FOO routine, which would change the regcache layout globals and recreate the threads' regcaches, the regcache.c globals are gone, and the init_registers_$BAR routines now each initialize a separate global struct target_desc object (one for each arch variant GDBserver supports), and so all the init_registers_$BAR routines that are built into GDBserver are called early at GDBserver startup time (similarly to how GDB handles its built-in target descriptions), and then the arch_setup routine is responsible for making process_info->tdesc point to one of these target description globals. The regcache module is all parameterized to get the regcache's layout from the tdesc object instead of the old register_bytes, etc. globals. The threads' regcaches are now created lazily. The old scheme where we created each of them when we added a new thread doesn't work anymore, because we add the main thread/lwp before we see it stop for the first time, and it is only when we see the thread stop for the first time that we have a chance of determining the inferior's architecture (through the_low_target.arch_setup). Therefore when we add the main thread we don't know which architecture/tdesc its regcache should have. This patch makes the gdb.multi/multi-arch.exp test now pass against (extended-remote) GDBserver. It currently fails, without this patch. The IPA also uses the regcache, so it gains a new global struct target_desc pointer, which points at the description of the process it is loaded in. Re. the linux-low.c & friends changes. Since the register map etc. may differ between processes (64-bit vs 32-bit) etc., the linux_target_ops num_regs, regmap and regset_bitmap data fields are no longer sufficient. A new method is added in their place that returns a pointer to a new struct that includes all info linux-low.c needs to access registers of the current inferior. The patch/discussion that originally introduced linux-low.c:disabled_regsets mentions that the disabled_regsets set may be different per mode (in a biarch setup), and indeed that is cleared whenever we start a new (first) inferior, so that global is moved as well behind the new `struct regs_info'. On the x86 side: I simply replaced the i387-fp.c:num_xmm_registers global with a check for 64-bit or 32-bit process, which is equivalent to how the global was set. This avoided coming up with some more general mechanism that would work for all targets that use this module (GNU/Linux, Windows, etc.). Tested: GNU/Linux IA64 GNU/Linux MIPS64 GNU/Linux PowerPC (Fedora 16) GNU/Linux s390x (Fedora 16) GNU/Linux sparc64 (Debian) GNU/Linux x86_64, -m64 and -m32 (Fedora 17) Cross built, and smoke tested: i686-w64-mingw32, under Wine. GNU/Linux TI C6x, by Yao Qi. Cross built but otherwise not tested: aarch64-linux-gnu arm-linux-gnu m68k-linux nios2-linux-gnu sh-linux-gnu spu tilegx-unknown-linux-gnu Completely untested: GNU/Linux Blackfin GNU/Linux CRIS GNU/Linux CRISv32 GNU/Linux TI Xtensa GNU/Linux M32R LynxOS QNX NTO gdb/gdbserver/ 2013-06-07 Pedro Alves <palves@redhat.com> * Makefile.in (OBS): Add tdesc.o. (IPA_OBJS): Add tdesc-ipa.o. (tdesc-ipa.o): New rule. * ax.c (gdb_eval_agent_expr): Adjust register_size call to new interface. * linux-low.c (new_inferior): Delete. (disabled_regsets, num_regsets): Delete. (linux_add_process): Adjust to set the new per-process new_inferior flag. (linux_detach_one_lwp): Adjust to call regcache_invalidate_thread. (linux_wait_for_lwp): Adjust. Only call arch_setup if the event was a stop. When calling arch_setup, switch the current inferior to the thread that got an event. (linux_resume_one_lwp): Adjust to call regcache_invalidate_thread. (regsets_fetch_inferior_registers) (regsets_store_inferior_registers): New regsets_info parameter. Adjust to use it. (linux_register_in_regsets): New regs_info parameter. Adjust to use it. (register_addr, fetch_register, store_register): New usrregs_info parameter. Adjust to use it. (usr_fetch_inferior_registers, usr_store_inferior_registers): New parameter regs_info. Adjust to use it. (linux_fetch_registers): Get the current inferior's regs_info, and adjust to use it. (linux_store_registers): Ditto. [HAVE_LINUX_REGSETS] (initialize_regsets_info): New. (initialize_low): Don't initialize the target_regsets here. Call initialize_low_arch. * linux-low.h (target_regsets): Delete declaration. (struct regsets_info): New. (struct usrregs_info): New. (struct regs_info): New. (struct process_info_private) <new_inferior>: New field. (struct linux_target_ops): Delete the num_regs, regmap, and regset_bitmap fields. New field regs_info. [HAVE_LINUX_REGSETS] (initialize_regsets_info): Declare. * i387-fp.c (num_xmm_registers): Delete. (i387_cache_to_fsave, i387_fsave_to_cache): Adjust find_regno calls to new interface. (i387_cache_to_fxsave, i387_cache_to_xsave, i387_fxsave_to_cache) (i387_xsave_to_cache): Adjust find_regno calls to new interface. Infer the number of xmm registers from the regcache's target description. * i387-fp.h (num_xmm_registers): Delete. * inferiors.c (add_thread): Don't install the thread's regcache here. * proc-service.c (gregset_info): Fetch the current inferior's regs_info. Adjust to use it. * regcache.c: Include tdesc.h. (register_bytes, reg_defs, num_registers) (gdbserver_expedite_regs): Delete. (get_thread_regcache): If the thread doesn't have a regcache yet, create one, instead of aborting gdbserver. (regcache_invalidate_one): Rename to ... (regcache_invalidate_thread): ... this. (regcache_invalidate_one): New. (regcache_invalidate): Only invalidate registers of the current process. (init_register_cache): Add target_desc parameter, and use it. (new_register_cache): Ditto. Assert the target description has a non zero registers_size. (regcache_cpy): Add assertions. Adjust. (realloc_register_cache, set_register_cache): Delete. (registers_to_string, registers_from_string): Adjust. (find_register_by_name, find_regno, find_register_by_number) (register_cache_size): Add target_desc parameter, and use it. (free_register_cache_thread, free_register_cache_thread_one) (regcache_release, register_cache_size): New. (register_size): Add target_desc parameter, and use it. (register_data, supply_register, supply_register_zeroed) (supply_regblock, supply_register_by_name, collect_register) (collect_register_as_string, collect_register_by_name): Adjust. * regcache.h (struct target_desc): Forward declare. (struct regcache) <tdesc>: New field. (init_register_cache, new_register_cache): Add target_desc parameter. (regcache_invalidate_thread): Declare. (regcache_invalidate_one): Delete declaration. (regcache_release): Declare. (find_register_by_number, register_cache_size, register_size) (find_regno): Add target_desc parameter. (gdbserver_expedite_regs, gdbserver_xmltarget): Delete declarations. * remote-utils.c: Include tdesc.h. (outreg, prepare_resume_reply): Adjust. * server.c: Include tdesc.h. (gdbserver_xmltarget): Delete declaration. (get_features_xml, process_serial_event): Adjust. * server.h [IN_PROCESS_AGENT] (struct target_desc): Forward declare. (struct process_info) <tdesc>: New field. (ipa_tdesc): Declare. * tdesc.c: New file. * tdesc.h: New file. * tracepoint.c: Include tdesc.h. [IN_PROCESS_AGENT] (ipa_tdesc): Define. (get_context_regcache): Adjust to pass ipa_tdesc down. (do_action_at_tracepoint): Adjust to get the register cache size from the context regcache's description. (traceframe_walk_blocks): Adjust to get the register cache size from the current trace frame's description. (traceframe_get_pc): Adjust to get current trace frame's description and pass it down. (gdb_collect): Adjust to get the register cache size from the IPA's description. * linux-amd64-ipa.c (tdesc_amd64_linux): Declare. (gdbserver_xmltarget): Delete. (initialize_low_tracepoint): Set the ipa's target description. * linux-i386-ipa.c (tdesc_i386_linux): Declare. (initialize_low_tracepoint): Set the ipa's target description. * linux-x86-low.c: Include tdesc.h. [__x86_64__] (is_64bit_tdesc): New. (ps_get_thread_area, x86_get_thread_area): Use it. (i386_cannot_store_register): Rename to ... (x86_cannot_store_register): ... this. Use is_64bit_tdesc. (i386_cannot_fetch_register): Rename to ... (x86_cannot_fetch_register): ... this. Use is_64bit_tdesc. (x86_fill_gregset, x86_store_gregset): Adjust register_size calls to new interface. (target_regsets): Rename to ... (x86_regsets): ... this. (x86_get_pc, x86_set_pc): Adjust register_size calls to new interface. (x86_siginfo_fixup): Use is_64bit_tdesc. [__x86_64__] (tdesc_amd64_linux, tdesc_amd64_avx_linux) (tdesc_x32_avx_linux, tdesc_x32_linux) (tdesc_i386_linux, tdesc_i386_mmx_linux, tdesc_i386_avx_linux): Declare. (x86_linux_update_xmltarget): Delete. (I386_LINUX_XSAVE_XCR0_OFFSET): Define. (have_ptrace_getfpxregs, have_ptrace_getregset): New. (AMD64_LINUX_USER64_CS): New. (x86_linux_read_description): New, based on x86_linux_update_xmltarget. (same_process_callback): New. (x86_arch_setup_process_callback): New. (x86_linux_update_xmltarget): New. (x86_regsets_info): New. (amd64_linux_regs_info): New. (i386_linux_usrregs_info): New. (i386_linux_regs_info): New. (x86_linux_regs_info): New. (x86_arch_setup): Reimplement. (x86_install_fast_tracepoint_jump_pad): Use is_64bit_tdesc. (x86_emit_ops): Ditto. (the_low_target): Adjust. Install x86_linux_regs_info, x86_cannot_fetch_register, and x86_cannot_store_register. (initialize_low_arch): New. * linux-ia64-low.c (tdesc_ia64): Declare. (ia64_fetch_register): Adjust. (ia64_usrregs_info, regs_info): New globals. (ia64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sparc-low.c (tdesc_sparc64): Declare. (sparc_fill_gregset_to_stack, sparc_store_gregset_from_stack): Adjust. (sparc_arch_setup): New function. (sparc_regsets_info, sparc_usrregs_info, regs_info): New globals. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-ppc-low.c (tdesc_powerpc_32l, tdesc_powerpc_altivec32l) (tdesc_powerpc_cell32l, tdesc_powerpc_vsx32l) (tdesc_powerpc_isa205_32l, tdesc_powerpc_isa205_altivec32l) (tdesc_powerpc_isa205_vsx32l, tdesc_powerpc_e500l) (tdesc_powerpc_64l, tdesc_powerpc_altivec64l) (tdesc_powerpc_cell64l, tdesc_powerpc_vsx64l) (tdesc_powerpc_isa205_64l, tdesc_powerpc_isa205_altivec64l) (tdesc_powerpc_isa205_vsx64l): Declare. (ppc_cannot_store_register, ppc_collect_ptrace_register) (ppc_supply_ptrace_register, parse_spufs_run, ppc_get_pc) (ppc_set_pc, ppc_get_hwcap): Adjust. (ppc_usrregs_info): Forward declare. (!__powerpc64__) ppc_regmap_adjusted: New global. (ppc_arch_setup): Adjust to the current process'es target description. (ppc_fill_vsxregset, ppc_store_vsxregset, ppc_fill_vrregset) (ppc_store_vrregset, ppc_fill_evrregset, ppc_store_evrregse) (ppc_store_evrregset): Adjust. (target_regsets): Rename to ... (ppc_regsets): ... this, and make static. (ppc_usrregs_info, ppc_regsets_info, regs_info): New globals. (ppc_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-s390-low.c (tdesc_s390_linux32, tdesc_s390_linux32v1) (tdesc_s390_linux32v2, tdesc_s390_linux64, tdesc_s390_linux64v1) (tdesc_s390_linux64v2, tdesc_s390x_linux64, tdesc_s390x_linux64v1) (tdesc_s390x_linux64v2): Declare. (s390_collect_ptrace_register, s390_supply_ptrace_register) (s390_fill_gregset, s390_store_last_break): Adjust. (target_regsets): Rename to ... (s390_regsets): ... this, and make static. (s390_get_pc, s390_set_pc): Adjust. (s390_get_hwcap): New target_desc parameter, and use it. [__s390x__] (have_hwcap_s390_high_gprs): New global. (s390_arch_setup): Adjust to set the current process'es target description. Don't adjust the regmap. (s390_usrregs_info, s390_regsets_info, regs_info): New globals. [__s390x__] (s390_usrregs_info_3264, s390_regsets_info_3264) (regs_info_3264): New globals. (s390_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-mips-low.c (tdesc_mips_linux, tdesc_mips_dsp_linux) (tdesc_mips64_linux, tdesc_mips64_dsp_linux): Declare. [__mips64] (init_registers_mips_linux) (init_registers_mips_dsp_linux): Delete defines. [__mips64] (tdesc_mips_linux, tdesc_mips_dsp_linux): New defines. (have_dsp): New global. (mips_read_description): New, based on mips_arch_setup. (mips_arch_setup): Reimplement. (get_usrregs_info): New function. (mips_cannot_fetch_register, mips_cannot_store_register) (mips_get_pc, mips_set_pc, mips_fill_gregset, mips_store_gregset) (mips_fill_fpregset, mips_store_fpregset): Adjust. (target_regsets): Rename to ... (mips_regsets): ... this, and make static. (mips_regsets_info, mips_dsp_usrregs_info, mips_usrregs_info) (dsp_regs_info, regs_info): New globals. (mips_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-arm-low.c (tdesc_arm, tdesc_arm_with_iwmmxt) (tdesc_arm_with_vfpv2, tdesc_arm_with_vfpv3, tdesc_arm_with_neon): Declare. (arm_fill_vfpregset, arm_store_vfpregset): Adjust. (arm_read_description): New, with bits factored from arm_arch_setup. (arm_arch_setup): Reimplement. (target_regsets): Rename to ... (arm_regsets): ... this, and make static. (arm_regsets_info, arm_usrregs_info, regs_info): New globals. (arm_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m68k-low.c (tdesc_m68k): Declare. (target_regsets): Rename to ... (m68k_regsets): ... this, and make static. (m68k_regsets_info, m68k_usrregs_info, regs_info): New globals. (m68k_regs_info): New function. (m68k_arch_setup): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sh-low.c (tdesc_sharch): Declare. (target_regsets): Rename to ... (sh_regsets): ... this, and make static. (sh_regsets_info, sh_usrregs_info, regs_info): New globals. (sh_regs_info, sh_arch_setup): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-bfin-low.c (tdesc_bfin): Declare. (bfin_arch_setup): New function. (bfin_usrregs_info, regs_info): New globals. (bfin_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_cris): Declare. (cris_arch_setup): New function. (cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_crisv32): Declare. (cris_arch_setup): New function. (cris_regsets_info, cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m32r-low.c (tdesc_m32r): Declare. (m32r_arch_setup): New function. (m32r_usrregs_info, regs_info): New globals. (m32r_regs_info): Adjust. (initialize_low_arch): New function. * linux-tic6x-low.c (tdesc_tic6x_c64xp_linux) (tdesc_tic6x_c64x_linux, tdesc_tic6x_c62x_linux): Declare. (tic6x_usrregs_info): Forward declare. (tic6x_read_description): New function, based on ... (tic6x_arch_setup): ... this. Reimplement. (target_regsets): Rename to ... (tic6x_regsets): ... this, and make static. (tic6x_regsets_info, tic6x_usrregs_info, regs_info): New globals. (tic6x_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-xtensa-low.c (tdesc_xtensa): Declare. (xtensa_fill_gregset, xtensa_store_gregset): Adjust. (target_regsets): Rename to ... (xtensa_regsets): ... this, and make static. (xtensa_regsets_info, xtensa_usrregs_info, regs_info): New globals. (xtensa_arch_setup, xtensa_regs_info): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-nios2-low.c (tdesc_nios2_linux): Declare. (nios2_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (nios2_regsets): ... this. (nios2_regsets_info, nios2_usrregs_info, regs_info): New globals. (nios2_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-aarch64-low.c (tdesc_aarch64): Declare. (aarch64_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (aarch64_regsets): ... this. (aarch64_regsets_info, aarch64_usrregs_info, regs_info): New globals. (aarch64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-tile-low.c (tdesc_tilegx, tdesc_tilegx32): Declare globals. (target_regsets): Rename to ... (tile_regsets): ... this. (tile_regsets_info, tile_usrregs_info, regs_info): New globals. (tile_regs_info): New function. (tile_arch_setup): Set the current process'es tdesc. (the_low_target): Adjust. (initialize_low_arch): New function. * spu-low.c (tdesc_spu): Declare. (spu_create_inferior, spu_attach): Set the new process'es tdesc. * win32-arm-low.c (tdesc_arm): Declare. (arm_arch_setup): New function. (the_low_target): Install arm_arch_setup instead of init_registers_arm. * win32-i386-low.c (tdesc_i386, tdesc_amd64): Declare. (init_windows_x86): Rename to ... (i386_arch_setup): ... this. Set `win32_tdesc'. (the_low_target): Adjust. * win32-low.c (win32_tdesc): New global. (child_add_thread): Don't create the thread cache here. (do_initial_child_stuff): Set the new process'es tdesc. * win32-low.h (struct target_desc): Forward declare. (win32_tdesc): Declare. * lynx-i386-low.c (tdesc_i386): Declare global. (lynx_i386_arch_setup): Set `lynx_tdesc'. * lynx-low.c (lynx_tdesc): New global. (lynx_add_process): Set the new process'es tdesc. * lynx-low.h (struct target_desc): Forward declare. (lynx_tdesc): Declare global. * lynx-ppc-low.c (tdesc_powerpc_32): Declare global. (lynx_ppc_arch_setup): Set `lynx_tdesc'. * nto-low.c (nto_tdesc): New global. (do_attach): Set the new process'es tdesc. * nto-low.h (struct target_desc): Forward declare. (nto_tdesc): Declare. * nto-x86-low.c (tdesc_i386): Declare. (nto_x86_arch_setup): Set `nto_tdesc'. gdb/ 2013-06-07 Pedro Alves <palves@redhat.com> * regformats/regdat.sh: Output #include tdesc.h. Make globals static. Output a global target description pointer. (init_registers_${name}): Adjust to initialize a target description structure.
2013-06-07 12:46:59 +02:00
/* This flag is true iff we've just created or attached to the first
LWP of this process but it has not stopped yet. As soon as it
does, we need to call the low target's arch_setup callback. */
int new_inferior;
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
};
Add h/w watchpoint support to x86-linux, win32-i386. * Makefile.in (SFILES): Add i386-low.c (i386_low_h): Define. (i386-low.o): Add dependencies. (linux-x86-low.o): Add i386-low.h dependency. (win32-i386-low.o): Ditto. * i386-low.c: New file. * i386-low.h: New file. * configure.srv (i[34567]86-*-cygwin*): Add i386-low.o to srv_tgtobj. (i[34567]86-*-linux*, i[34567]86-*-mingw*, x86_64-*-linux*): Ditto. * linux-low.c (linux_add_process): Initialize arch_private. (linux_remove_process): Free arch_private. (add_lwp): Initialize arch_private. (delete_lwp): Free arch_private. (linux_resume_one_lwp): Call the_low_target.prepare_to_resume if provided. * linux-low.h (process_info_private): New member arch_private. (lwp_info): New member arch_private. (linux_target_ops): New members new_process, new_thread, prepare_to_resume. (ptid_of): New macro. * linux-x86-low.c: Include stddef.h, i386-low.h. (arch_process_info): New struct. (arch_lwp_info): New struct. (x86_linux_dr_get, x86_linux_dr_set): New functions. (i386_dr_low_set_addr, i386_dr_low_set_control): New functions. (i386_dr_low_get_status): New function. (x86_insert_point, x86_remove_point): New functions. (x86_stopped_by_watchpoint): New function. (x86_stopped_data_address): New function. (x86_linux_new_process, x86_linux_new_thread): New functions. (x86_linux_prepare_to_resume): New function. (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address, new_process, new_thread, prepare_to_resume. * server.c (debug_hw_points): New global. (monitor_show_help): Document set debug-hw-points. (handle_query): Process "set debug-hw-points". * server.h (debug_hw_points): Declare. (paddress): Declare. * utils.c (NUMCELLS, CELLSIZE): New macros. (get_sell, xsnprintf, paddress): New functions. * win32-arm-low.c (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address. * win32-i386-low.c: Include i386-low.h. (debug_reg_state): Replaces dr. (i386_dr_low_set_addr, i386_dr_low_set_control): New functions. (i386_dr_low_get_status): New function. (i386_insert_point, i386_remove_point): New functions. (i386_stopped_by_watchpoint): New function. (i386_stopped_data_address): New function. (i386_initial_stuff): Update. (get_thread_context,set_thread_context,i386_thread_added): Update. (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address. * win32-low.c (win32_insert_watchpoint): New function. (win32_remove_watchpoint): New function. (win32_stopped_by_watchpoint): New function. (win32_stopped_data_address): New function. (win32_target_ops): Add entries for insert_watchpoint, remove_watchpoint, stopped_by_watchpoint, stopped_data_address. * win32-low.h (win32_target_ops): New members insert_point, remove_point, stopped_by_watchpoint, stopped_data_address.
2009-06-30 18:35:25 +02:00
struct lwp_info;
2002-04-09 Daniel Jacobowitz <drow@mvista.com> * linux-low.h: Remove obsolete prototypes. (struct linux_target_ops): New. (extern the_low_target): New. * linux-low.c (num_regs, regmap): Remove declarations. (register_addr): Use the_low_target explicitly. (fetch_register): Likewise. (usr_fetch_inferior_registers): Likewise. (usr_store_inferior_registers): Likewise. * linux-arm-low.c (num_regs): Remove. (arm_num_regs): Define. (arm_regmap): Renamed from regmap, made static. (arm_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (arm_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-i386-low.c (num_regs): Remove. (i386_num_regs): Define. (i386_regmap): Renamed from regmap, made static. (i386_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (i386_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-ia64-low.c (num_regs): Remove. (ia64_num_regs): Define. (ia64_regmap): Renamed from regmap, made static. (ia64_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (ia64_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-m68k-low.c (num_regs): Remove. (m68k_num_regs): Define. (m68k_regmap): Renamed from regmap, made static. (m68k_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (m68k_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-mips-low.c (num_regs): Remove. (mips_num_regs): Define. (mips_regmap): Renamed from regmap, made static. (mips_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (mips_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-ppc-low.c (num_regs): Remove. (ppc_num_regs): Define. (ppc_regmap): Renamed from regmap, made static. (ppc_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (ppc_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-s390-low.c (num_regs): Remove. (s390_num_regs): Define. (s390_regmap): Renamed from regmap, made static. (s390_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (s390_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-sh-low.c (num_regs): Remove. (sh_num_regs): Define. (sh_regmap): Renamed from regmap, made static. (sh_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (sh_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-x86-64-low.c (x86_64_regmap): Renamed from regmap. (the_low_target): New.
2002-04-10 00:44:43 +02:00
struct linux_target_ops
{
gdb/ChangeLog: * regformats/regdat.sh: Rename init_registers function in generated file to init_registers_${name}. * regformats/reg-crisv32.dat: Set "name" to crisv32. * regformats/reg-ppc64.dat: Set "name" to ppc64. * regformats/reg-s390x.dat: Set "name" to s390x. gdbserver/ChangeLog: * server.h (init_registers): Remove prototype. * linux-low.h (struct linux_target_ops): Add arch_setup field. * linux-low.c (initialize_low): Call the_low_target.arch_setup () instead of init_registers (). * linux-arm-low.c (init_registers_arm): Add prototype. (init_registers_arm_with_iwmmxt): Likewise. (the_low_target): Add initializer for arch_setup field. * linux-cris-low.c (init_registers_cris): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-crisv32-low.c (init_registers_crisv32): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-i386-low.c (init_registers_i386_linux): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-ia64-low.c (init_registers_ia64): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-m32r-low.c (init_registers_m32r): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-m68k-low.c (init_registers_m68k): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-mips-low.c (init_registers_mips_linux): Add prototype. (init_registers_mips64_linux): Likewise. (the_low_target): Add initializer for arch_setup field. * linux-ppc-low.c (init_registers_ppc): Add prototype. (init_registers_powerpc_32, init_registers_powerpc_e500): Likewise. (the_low_target): Add initializer for arch_setup field. * linux-ppc64-low.c (init_registers_ppc64): Add prototype. (init_registers_powerpc_64): Likewise. (the_low_target): Add initializer for arch_setup field. * linux-s390-low.c (init_registers_s390): Add prototype. (init_registers_s390x): Likewise. (the_low_target): Add initializer for arch_setup field. * linux-sh-low.c (init_registers_sh): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-x86-64-low.c (init_registers_x86_64_linux): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-xtensa-low.c (init_registers_xtensa): Add prototype. (the_low_target): Add initializer for arch_setup field. * win32-low.h (struct win32_target_ops): Add arch_setup field. * win32-low.c (initialize_low): Call the_low_target.arch_setup () instead of init_registers (). * win32-arm-low.c (init_registers_arm): Add prototype. (the_low_target): Add initializer for arch_setup field. * win32-i386-low.c (init_registers_i386): Add prototype. (the_low_target): Add initializer for arch_setup field. * spu-low.c (init_registers_spu): Add prototype. (initialize_low): Call initialie_registers_spu () instead of initialize_registers ().
2008-02-27 04:27:40 +01:00
/* Architecture-specific setup. */
void (*arch_setup) (void);
[GDBserver] Multi-process + multi-arch This patch makes GDBserver support multi-process + biarch. Currently, if you're debugging more than one process at once with a single gdbserver (in extended-remote mode), then all processes must have the same architecture (e.g., 64-bit vs 32-bit). Otherwise, you see this: Added inferior 2 [Switching to inferior 2 [<null>] (<noexec>)] Reading symbols from /home/pedro/gdb/tests/main32...done. Temporary breakpoint 2 at 0x4004cf: main. (2 locations) Starting program: /home/pedro/gdb/tests/main32 warning: Selected architecture i386 is not compatible with reported target architecture i386:x86-64 warning: Architecture rejected target-supplied description Remote 'g' packet reply is too long: 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000090cfffff0000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000b042f7460000000000020000230000002b0000002b0000002b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f03000000000000ffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000801f00003b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 ... etc, etc ... Even though the process was running a 32-bit program, GDBserver sent back to GDB a register set in 64-bit layout. A patch (http://sourceware.org/ml/gdb-patches/2012-11/msg00228.html) a while ago made GDB track a target_gdbarch per inferior, and as consequence, fetch a target description per-inferior. This patch is the GDBserver counterpart, that makes GDBserver keep track of each process'es XML target description and register layout. So in the example above, GDBserver will send the correct register set in 32-bit layout to GDB. A new "struct target_desc" object (tdesc for short) is added, that holds the target description and register layout information about each process. Each `struct process_info' holds a pointer to a target description. The regcache also gains a pointer to a target description, mainly for convenience, and parallel with GDB (and possible future support for programs that flip processor modes). The low target's arch_setup routines are responsible for setting the process'es correct tdesc. This isn't that much different to how things were done before, except that instead of detecting the inferior process'es architecture and calling the corresponding init_registers_FOO routine, which would change the regcache layout globals and recreate the threads' regcaches, the regcache.c globals are gone, and the init_registers_$BAR routines now each initialize a separate global struct target_desc object (one for each arch variant GDBserver supports), and so all the init_registers_$BAR routines that are built into GDBserver are called early at GDBserver startup time (similarly to how GDB handles its built-in target descriptions), and then the arch_setup routine is responsible for making process_info->tdesc point to one of these target description globals. The regcache module is all parameterized to get the regcache's layout from the tdesc object instead of the old register_bytes, etc. globals. The threads' regcaches are now created lazily. The old scheme where we created each of them when we added a new thread doesn't work anymore, because we add the main thread/lwp before we see it stop for the first time, and it is only when we see the thread stop for the first time that we have a chance of determining the inferior's architecture (through the_low_target.arch_setup). Therefore when we add the main thread we don't know which architecture/tdesc its regcache should have. This patch makes the gdb.multi/multi-arch.exp test now pass against (extended-remote) GDBserver. It currently fails, without this patch. The IPA also uses the regcache, so it gains a new global struct target_desc pointer, which points at the description of the process it is loaded in. Re. the linux-low.c & friends changes. Since the register map etc. may differ between processes (64-bit vs 32-bit) etc., the linux_target_ops num_regs, regmap and regset_bitmap data fields are no longer sufficient. A new method is added in their place that returns a pointer to a new struct that includes all info linux-low.c needs to access registers of the current inferior. The patch/discussion that originally introduced linux-low.c:disabled_regsets mentions that the disabled_regsets set may be different per mode (in a biarch setup), and indeed that is cleared whenever we start a new (first) inferior, so that global is moved as well behind the new `struct regs_info'. On the x86 side: I simply replaced the i387-fp.c:num_xmm_registers global with a check for 64-bit or 32-bit process, which is equivalent to how the global was set. This avoided coming up with some more general mechanism that would work for all targets that use this module (GNU/Linux, Windows, etc.). Tested: GNU/Linux IA64 GNU/Linux MIPS64 GNU/Linux PowerPC (Fedora 16) GNU/Linux s390x (Fedora 16) GNU/Linux sparc64 (Debian) GNU/Linux x86_64, -m64 and -m32 (Fedora 17) Cross built, and smoke tested: i686-w64-mingw32, under Wine. GNU/Linux TI C6x, by Yao Qi. Cross built but otherwise not tested: aarch64-linux-gnu arm-linux-gnu m68k-linux nios2-linux-gnu sh-linux-gnu spu tilegx-unknown-linux-gnu Completely untested: GNU/Linux Blackfin GNU/Linux CRIS GNU/Linux CRISv32 GNU/Linux TI Xtensa GNU/Linux M32R LynxOS QNX NTO gdb/gdbserver/ 2013-06-07 Pedro Alves <palves@redhat.com> * Makefile.in (OBS): Add tdesc.o. (IPA_OBJS): Add tdesc-ipa.o. (tdesc-ipa.o): New rule. * ax.c (gdb_eval_agent_expr): Adjust register_size call to new interface. * linux-low.c (new_inferior): Delete. (disabled_regsets, num_regsets): Delete. (linux_add_process): Adjust to set the new per-process new_inferior flag. (linux_detach_one_lwp): Adjust to call regcache_invalidate_thread. (linux_wait_for_lwp): Adjust. Only call arch_setup if the event was a stop. When calling arch_setup, switch the current inferior to the thread that got an event. (linux_resume_one_lwp): Adjust to call regcache_invalidate_thread. (regsets_fetch_inferior_registers) (regsets_store_inferior_registers): New regsets_info parameter. Adjust to use it. (linux_register_in_regsets): New regs_info parameter. Adjust to use it. (register_addr, fetch_register, store_register): New usrregs_info parameter. Adjust to use it. (usr_fetch_inferior_registers, usr_store_inferior_registers): New parameter regs_info. Adjust to use it. (linux_fetch_registers): Get the current inferior's regs_info, and adjust to use it. (linux_store_registers): Ditto. [HAVE_LINUX_REGSETS] (initialize_regsets_info): New. (initialize_low): Don't initialize the target_regsets here. Call initialize_low_arch. * linux-low.h (target_regsets): Delete declaration. (struct regsets_info): New. (struct usrregs_info): New. (struct regs_info): New. (struct process_info_private) <new_inferior>: New field. (struct linux_target_ops): Delete the num_regs, regmap, and regset_bitmap fields. New field regs_info. [HAVE_LINUX_REGSETS] (initialize_regsets_info): Declare. * i387-fp.c (num_xmm_registers): Delete. (i387_cache_to_fsave, i387_fsave_to_cache): Adjust find_regno calls to new interface. (i387_cache_to_fxsave, i387_cache_to_xsave, i387_fxsave_to_cache) (i387_xsave_to_cache): Adjust find_regno calls to new interface. Infer the number of xmm registers from the regcache's target description. * i387-fp.h (num_xmm_registers): Delete. * inferiors.c (add_thread): Don't install the thread's regcache here. * proc-service.c (gregset_info): Fetch the current inferior's regs_info. Adjust to use it. * regcache.c: Include tdesc.h. (register_bytes, reg_defs, num_registers) (gdbserver_expedite_regs): Delete. (get_thread_regcache): If the thread doesn't have a regcache yet, create one, instead of aborting gdbserver. (regcache_invalidate_one): Rename to ... (regcache_invalidate_thread): ... this. (regcache_invalidate_one): New. (regcache_invalidate): Only invalidate registers of the current process. (init_register_cache): Add target_desc parameter, and use it. (new_register_cache): Ditto. Assert the target description has a non zero registers_size. (regcache_cpy): Add assertions. Adjust. (realloc_register_cache, set_register_cache): Delete. (registers_to_string, registers_from_string): Adjust. (find_register_by_name, find_regno, find_register_by_number) (register_cache_size): Add target_desc parameter, and use it. (free_register_cache_thread, free_register_cache_thread_one) (regcache_release, register_cache_size): New. (register_size): Add target_desc parameter, and use it. (register_data, supply_register, supply_register_zeroed) (supply_regblock, supply_register_by_name, collect_register) (collect_register_as_string, collect_register_by_name): Adjust. * regcache.h (struct target_desc): Forward declare. (struct regcache) <tdesc>: New field. (init_register_cache, new_register_cache): Add target_desc parameter. (regcache_invalidate_thread): Declare. (regcache_invalidate_one): Delete declaration. (regcache_release): Declare. (find_register_by_number, register_cache_size, register_size) (find_regno): Add target_desc parameter. (gdbserver_expedite_regs, gdbserver_xmltarget): Delete declarations. * remote-utils.c: Include tdesc.h. (outreg, prepare_resume_reply): Adjust. * server.c: Include tdesc.h. (gdbserver_xmltarget): Delete declaration. (get_features_xml, process_serial_event): Adjust. * server.h [IN_PROCESS_AGENT] (struct target_desc): Forward declare. (struct process_info) <tdesc>: New field. (ipa_tdesc): Declare. * tdesc.c: New file. * tdesc.h: New file. * tracepoint.c: Include tdesc.h. [IN_PROCESS_AGENT] (ipa_tdesc): Define. (get_context_regcache): Adjust to pass ipa_tdesc down. (do_action_at_tracepoint): Adjust to get the register cache size from the context regcache's description. (traceframe_walk_blocks): Adjust to get the register cache size from the current trace frame's description. (traceframe_get_pc): Adjust to get current trace frame's description and pass it down. (gdb_collect): Adjust to get the register cache size from the IPA's description. * linux-amd64-ipa.c (tdesc_amd64_linux): Declare. (gdbserver_xmltarget): Delete. (initialize_low_tracepoint): Set the ipa's target description. * linux-i386-ipa.c (tdesc_i386_linux): Declare. (initialize_low_tracepoint): Set the ipa's target description. * linux-x86-low.c: Include tdesc.h. [__x86_64__] (is_64bit_tdesc): New. (ps_get_thread_area, x86_get_thread_area): Use it. (i386_cannot_store_register): Rename to ... (x86_cannot_store_register): ... this. Use is_64bit_tdesc. (i386_cannot_fetch_register): Rename to ... (x86_cannot_fetch_register): ... this. Use is_64bit_tdesc. (x86_fill_gregset, x86_store_gregset): Adjust register_size calls to new interface. (target_regsets): Rename to ... (x86_regsets): ... this. (x86_get_pc, x86_set_pc): Adjust register_size calls to new interface. (x86_siginfo_fixup): Use is_64bit_tdesc. [__x86_64__] (tdesc_amd64_linux, tdesc_amd64_avx_linux) (tdesc_x32_avx_linux, tdesc_x32_linux) (tdesc_i386_linux, tdesc_i386_mmx_linux, tdesc_i386_avx_linux): Declare. (x86_linux_update_xmltarget): Delete. (I386_LINUX_XSAVE_XCR0_OFFSET): Define. (have_ptrace_getfpxregs, have_ptrace_getregset): New. (AMD64_LINUX_USER64_CS): New. (x86_linux_read_description): New, based on x86_linux_update_xmltarget. (same_process_callback): New. (x86_arch_setup_process_callback): New. (x86_linux_update_xmltarget): New. (x86_regsets_info): New. (amd64_linux_regs_info): New. (i386_linux_usrregs_info): New. (i386_linux_regs_info): New. (x86_linux_regs_info): New. (x86_arch_setup): Reimplement. (x86_install_fast_tracepoint_jump_pad): Use is_64bit_tdesc. (x86_emit_ops): Ditto. (the_low_target): Adjust. Install x86_linux_regs_info, x86_cannot_fetch_register, and x86_cannot_store_register. (initialize_low_arch): New. * linux-ia64-low.c (tdesc_ia64): Declare. (ia64_fetch_register): Adjust. (ia64_usrregs_info, regs_info): New globals. (ia64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sparc-low.c (tdesc_sparc64): Declare. (sparc_fill_gregset_to_stack, sparc_store_gregset_from_stack): Adjust. (sparc_arch_setup): New function. (sparc_regsets_info, sparc_usrregs_info, regs_info): New globals. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-ppc-low.c (tdesc_powerpc_32l, tdesc_powerpc_altivec32l) (tdesc_powerpc_cell32l, tdesc_powerpc_vsx32l) (tdesc_powerpc_isa205_32l, tdesc_powerpc_isa205_altivec32l) (tdesc_powerpc_isa205_vsx32l, tdesc_powerpc_e500l) (tdesc_powerpc_64l, tdesc_powerpc_altivec64l) (tdesc_powerpc_cell64l, tdesc_powerpc_vsx64l) (tdesc_powerpc_isa205_64l, tdesc_powerpc_isa205_altivec64l) (tdesc_powerpc_isa205_vsx64l): Declare. (ppc_cannot_store_register, ppc_collect_ptrace_register) (ppc_supply_ptrace_register, parse_spufs_run, ppc_get_pc) (ppc_set_pc, ppc_get_hwcap): Adjust. (ppc_usrregs_info): Forward declare. (!__powerpc64__) ppc_regmap_adjusted: New global. (ppc_arch_setup): Adjust to the current process'es target description. (ppc_fill_vsxregset, ppc_store_vsxregset, ppc_fill_vrregset) (ppc_store_vrregset, ppc_fill_evrregset, ppc_store_evrregse) (ppc_store_evrregset): Adjust. (target_regsets): Rename to ... (ppc_regsets): ... this, and make static. (ppc_usrregs_info, ppc_regsets_info, regs_info): New globals. (ppc_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-s390-low.c (tdesc_s390_linux32, tdesc_s390_linux32v1) (tdesc_s390_linux32v2, tdesc_s390_linux64, tdesc_s390_linux64v1) (tdesc_s390_linux64v2, tdesc_s390x_linux64, tdesc_s390x_linux64v1) (tdesc_s390x_linux64v2): Declare. (s390_collect_ptrace_register, s390_supply_ptrace_register) (s390_fill_gregset, s390_store_last_break): Adjust. (target_regsets): Rename to ... (s390_regsets): ... this, and make static. (s390_get_pc, s390_set_pc): Adjust. (s390_get_hwcap): New target_desc parameter, and use it. [__s390x__] (have_hwcap_s390_high_gprs): New global. (s390_arch_setup): Adjust to set the current process'es target description. Don't adjust the regmap. (s390_usrregs_info, s390_regsets_info, regs_info): New globals. [__s390x__] (s390_usrregs_info_3264, s390_regsets_info_3264) (regs_info_3264): New globals. (s390_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-mips-low.c (tdesc_mips_linux, tdesc_mips_dsp_linux) (tdesc_mips64_linux, tdesc_mips64_dsp_linux): Declare. [__mips64] (init_registers_mips_linux) (init_registers_mips_dsp_linux): Delete defines. [__mips64] (tdesc_mips_linux, tdesc_mips_dsp_linux): New defines. (have_dsp): New global. (mips_read_description): New, based on mips_arch_setup. (mips_arch_setup): Reimplement. (get_usrregs_info): New function. (mips_cannot_fetch_register, mips_cannot_store_register) (mips_get_pc, mips_set_pc, mips_fill_gregset, mips_store_gregset) (mips_fill_fpregset, mips_store_fpregset): Adjust. (target_regsets): Rename to ... (mips_regsets): ... this, and make static. (mips_regsets_info, mips_dsp_usrregs_info, mips_usrregs_info) (dsp_regs_info, regs_info): New globals. (mips_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-arm-low.c (tdesc_arm, tdesc_arm_with_iwmmxt) (tdesc_arm_with_vfpv2, tdesc_arm_with_vfpv3, tdesc_arm_with_neon): Declare. (arm_fill_vfpregset, arm_store_vfpregset): Adjust. (arm_read_description): New, with bits factored from arm_arch_setup. (arm_arch_setup): Reimplement. (target_regsets): Rename to ... (arm_regsets): ... this, and make static. (arm_regsets_info, arm_usrregs_info, regs_info): New globals. (arm_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m68k-low.c (tdesc_m68k): Declare. (target_regsets): Rename to ... (m68k_regsets): ... this, and make static. (m68k_regsets_info, m68k_usrregs_info, regs_info): New globals. (m68k_regs_info): New function. (m68k_arch_setup): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sh-low.c (tdesc_sharch): Declare. (target_regsets): Rename to ... (sh_regsets): ... this, and make static. (sh_regsets_info, sh_usrregs_info, regs_info): New globals. (sh_regs_info, sh_arch_setup): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-bfin-low.c (tdesc_bfin): Declare. (bfin_arch_setup): New function. (bfin_usrregs_info, regs_info): New globals. (bfin_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_cris): Declare. (cris_arch_setup): New function. (cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_crisv32): Declare. (cris_arch_setup): New function. (cris_regsets_info, cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m32r-low.c (tdesc_m32r): Declare. (m32r_arch_setup): New function. (m32r_usrregs_info, regs_info): New globals. (m32r_regs_info): Adjust. (initialize_low_arch): New function. * linux-tic6x-low.c (tdesc_tic6x_c64xp_linux) (tdesc_tic6x_c64x_linux, tdesc_tic6x_c62x_linux): Declare. (tic6x_usrregs_info): Forward declare. (tic6x_read_description): New function, based on ... (tic6x_arch_setup): ... this. Reimplement. (target_regsets): Rename to ... (tic6x_regsets): ... this, and make static. (tic6x_regsets_info, tic6x_usrregs_info, regs_info): New globals. (tic6x_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-xtensa-low.c (tdesc_xtensa): Declare. (xtensa_fill_gregset, xtensa_store_gregset): Adjust. (target_regsets): Rename to ... (xtensa_regsets): ... this, and make static. (xtensa_regsets_info, xtensa_usrregs_info, regs_info): New globals. (xtensa_arch_setup, xtensa_regs_info): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-nios2-low.c (tdesc_nios2_linux): Declare. (nios2_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (nios2_regsets): ... this. (nios2_regsets_info, nios2_usrregs_info, regs_info): New globals. (nios2_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-aarch64-low.c (tdesc_aarch64): Declare. (aarch64_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (aarch64_regsets): ... this. (aarch64_regsets_info, aarch64_usrregs_info, regs_info): New globals. (aarch64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-tile-low.c (tdesc_tilegx, tdesc_tilegx32): Declare globals. (target_regsets): Rename to ... (tile_regsets): ... this. (tile_regsets_info, tile_usrregs_info, regs_info): New globals. (tile_regs_info): New function. (tile_arch_setup): Set the current process'es tdesc. (the_low_target): Adjust. (initialize_low_arch): New function. * spu-low.c (tdesc_spu): Declare. (spu_create_inferior, spu_attach): Set the new process'es tdesc. * win32-arm-low.c (tdesc_arm): Declare. (arm_arch_setup): New function. (the_low_target): Install arm_arch_setup instead of init_registers_arm. * win32-i386-low.c (tdesc_i386, tdesc_amd64): Declare. (init_windows_x86): Rename to ... (i386_arch_setup): ... this. Set `win32_tdesc'. (the_low_target): Adjust. * win32-low.c (win32_tdesc): New global. (child_add_thread): Don't create the thread cache here. (do_initial_child_stuff): Set the new process'es tdesc. * win32-low.h (struct target_desc): Forward declare. (win32_tdesc): Declare. * lynx-i386-low.c (tdesc_i386): Declare global. (lynx_i386_arch_setup): Set `lynx_tdesc'. * lynx-low.c (lynx_tdesc): New global. (lynx_add_process): Set the new process'es tdesc. * lynx-low.h (struct target_desc): Forward declare. (lynx_tdesc): Declare global. * lynx-ppc-low.c (tdesc_powerpc_32): Declare global. (lynx_ppc_arch_setup): Set `lynx_tdesc'. * nto-low.c (nto_tdesc): New global. (do_attach): Set the new process'es tdesc. * nto-low.h (struct target_desc): Forward declare. (nto_tdesc): Declare. * nto-x86-low.c (tdesc_i386): Declare. (nto_x86_arch_setup): Set `nto_tdesc'. gdb/ 2013-06-07 Pedro Alves <palves@redhat.com> * regformats/regdat.sh: Output #include tdesc.h. Make globals static. Output a global target description pointer. (init_registers_${name}): Adjust to initialize a target description structure.
2013-06-07 12:46:59 +02:00
const struct regs_info *(*regs_info) (void);
2002-04-09 Daniel Jacobowitz <drow@mvista.com> * linux-low.h: Remove obsolete prototypes. (struct linux_target_ops): New. (extern the_low_target): New. * linux-low.c (num_regs, regmap): Remove declarations. (register_addr): Use the_low_target explicitly. (fetch_register): Likewise. (usr_fetch_inferior_registers): Likewise. (usr_store_inferior_registers): Likewise. * linux-arm-low.c (num_regs): Remove. (arm_num_regs): Define. (arm_regmap): Renamed from regmap, made static. (arm_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (arm_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-i386-low.c (num_regs): Remove. (i386_num_regs): Define. (i386_regmap): Renamed from regmap, made static. (i386_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (i386_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-ia64-low.c (num_regs): Remove. (ia64_num_regs): Define. (ia64_regmap): Renamed from regmap, made static. (ia64_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (ia64_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-m68k-low.c (num_regs): Remove. (m68k_num_regs): Define. (m68k_regmap): Renamed from regmap, made static. (m68k_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (m68k_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-mips-low.c (num_regs): Remove. (mips_num_regs): Define. (mips_regmap): Renamed from regmap, made static. (mips_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (mips_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-ppc-low.c (num_regs): Remove. (ppc_num_regs): Define. (ppc_regmap): Renamed from regmap, made static. (ppc_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (ppc_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-s390-low.c (num_regs): Remove. (s390_num_regs): Define. (s390_regmap): Renamed from regmap, made static. (s390_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (s390_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-sh-low.c (num_regs): Remove. (sh_num_regs): Define. (sh_regmap): Renamed from regmap, made static. (sh_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (sh_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-x86-64-low.c (x86_64_regmap): Renamed from regmap. (the_low_target): New.
2002-04-10 00:44:43 +02:00
int (*cannot_fetch_register) (int);
/* Returns 0 if we can store the register, 1 if we can not
store the register, and 2 if failure to store the register
is acceptable. */
2002-04-09 Daniel Jacobowitz <drow@mvista.com> * linux-low.h: Remove obsolete prototypes. (struct linux_target_ops): New. (extern the_low_target): New. * linux-low.c (num_regs, regmap): Remove declarations. (register_addr): Use the_low_target explicitly. (fetch_register): Likewise. (usr_fetch_inferior_registers): Likewise. (usr_store_inferior_registers): Likewise. * linux-arm-low.c (num_regs): Remove. (arm_num_regs): Define. (arm_regmap): Renamed from regmap, made static. (arm_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (arm_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-i386-low.c (num_regs): Remove. (i386_num_regs): Define. (i386_regmap): Renamed from regmap, made static. (i386_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (i386_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-ia64-low.c (num_regs): Remove. (ia64_num_regs): Define. (ia64_regmap): Renamed from regmap, made static. (ia64_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (ia64_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-m68k-low.c (num_regs): Remove. (m68k_num_regs): Define. (m68k_regmap): Renamed from regmap, made static. (m68k_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (m68k_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-mips-low.c (num_regs): Remove. (mips_num_regs): Define. (mips_regmap): Renamed from regmap, made static. (mips_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (mips_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-ppc-low.c (num_regs): Remove. (ppc_num_regs): Define. (ppc_regmap): Renamed from regmap, made static. (ppc_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (ppc_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-s390-low.c (num_regs): Remove. (s390_num_regs): Define. (s390_regmap): Renamed from regmap, made static. (s390_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (s390_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-sh-low.c (num_regs): Remove. (sh_num_regs): Define. (sh_regmap): Renamed from regmap, made static. (sh_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (sh_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-x86-64-low.c (x86_64_regmap): Renamed from regmap. (the_low_target): New.
2002-04-10 00:44:43 +02:00
int (*cannot_store_register) (int);
/* Hook to fetch a register in some non-standard way. Used for
example by backends that have read-only registers with hardcoded
values (e.g., IA64's gr0/fr0/fr1). Returns true if register
REGNO was supplied, false if not, and we should fallback to the
standard ptrace methods. */
int (*fetch_register) (struct regcache *regcache, int regno);
* regcache.h (struct thread_info): Forward declare. (struct regcache): New. (new_register_cache): Adjust prototype. (get_thread_regcache): Declare. (free_register_cache): Adjust prototype. (registers_to_string, registers_from_string): Ditto. (supply_register, supply_register_by_name, collect_register) (collect_register_as_string, collect_register_by_name): Ditto. * regcache.c (struct inferior_regcache_data): Delete. (get_regcache): Rename to ... (get_thread_regcache): ... this. Adjust. Switch inferior before fetching registers. (regcache_invalidate_one): Adjust. (regcache_invalidate): Fix prototype. (new_register_cache): Return the new register cache. (free_register_cache): Change prototype. (realloc_register_cache): Adjust. (registers_to_string): Change prototype to take a regcache. Adjust. (registers_from_string): Ditto. (register_data): Ditto. (supply_register): Ditto. (supply_register_by_name): Ditto. (collect_register): Ditto. (collect_register_as_string): Ditto. (collect_register_by_name): Ditto. * server.c (process_serial_event): Adjust. * linux-low.h (regset_fill_func, regset_store_func): Change prototype. (get_pc, set_pc, collect_ptrace_register, supply_ptrace_register): Change prototype. * linux-low.c (get_stop_pc): Adjust. (check_removed_breakpoint): Adjust. (linux_wait_for_event): Adjust. (linux_resume_one_lwp): Adjust. (fetch_register): Add regcache parameter. Adjust. (usr_store_inferior_registers): Ditto. (regsets_fetch_inferior_registers): Ditto. (regsets_store_inferior_registers): Ditto. (linux_fetch_registers, linux_store_registers): Ditto. * i387-fp.c (i387_cache_to_fsave): Change prototype to take a regcache. Adjust. (i387_fsave_to_cache, i387_cache_to_fxsave, i387_fxsave_to_cache): Ditto. * i387-fp.h (i387_cache_to_fsave, i387_fsave_to_cache): Change prototype to take a regcache. (i387_cache_to_fxsave, i387_fxsave_to_cache): Ditto. * remote-utils.c (convert_ascii_to_int, outreg) (prepare_resume_reply): Change prototype to take a regcache. Adjust. * target.h (struct target_ops) <fetch_registers, store_registers>: Change prototype to take a regcache. (fetch_inferior_registers, store_inferior_registers): Change prototype to take a regcache. Adjust. * proc-service.c (ps_lgetregs): Adjust. * linux-x86-low.c (x86_fill_gregset, x86_store_gregset) (x86_fill_fpregset, x86_store_fpregset, x86_fill_fpxregset) (x86_store_fpxregset, x86_get_pc, x86_set_pc): Change prototype to take a regcache. Adjust. * linux-arm-low.c (arm_fill_gregset, arm_store_gregset) (arm_fill_wmmxregset, arm_store_wmmxregset, arm_fill_vfpregset) (arm_store_vfpregset, arm_get_pc, arm_set_pc): (arm_breakpoint_at): Change prototype to take a regcache. Adjust. * linux-cris-low.c (cris_get_pc, cris_set_pc) (cris_cannot_fetch_register): (cris_breakpoint_at): Change prototype to take a regcache. Adjust. * linux-crisv32-low.c (cris_get_pc, cris_set_pc, cris_reinsert_addr, cris_write_data_breakpoint): Change prototype to take a regcache. Adjust. (cris_breakpoint_at, cris_insert_point, cris_remove_point): Adjust. * linux-m32r-low.c (m32r_get_pc, m32r_set_pc): Change prototype to take a regcache. Adjust. * linux-m68k-low.c (m68k_fill_gregset, m68k_store_gregset) (m68k_fill_fpregset, m68k_store_fpregset, m68k_get_pc, (m68k_set_pc): Change prototype to take a regcache. Adjust. * linux-mips-low.c (mips_get_pc): (mips_set_pc): Change prototype to take a regcache. Adjust. (mips_reinsert_addr): Adjust. (mips_collect_register): Change prototype to take a regcache. Adjust. (mips_supply_register): (mips_collect_register_32bit, mips_supply_register_32bit) (mips_fill_gregset, mips_store_gregset, mips_fill_fpregset) (mips_store_fpregset): Ditto. * linux-ppc-low.c (ppc_supply_ptrace_register, ppc_supply_ptrace_register): Ditto. (parse_spufs_run): Adjust. (ppc_get_pc, ppc_set_pc, ppc_fill_gregset, ppc_fill_vsxregset) (ppc_store_vsxregset, ppc_fill_vrregset, ppc_store_vrregset) (ppc_fill_evrregset, ppc_store_evrregset): Change prototype to take a regcache. Adjust. * linux-s390-low.c (s390_collect_ptrace_register) (s390_supply_ptrace_register, s390_fill_gregset, s390_get_pc) (s390_set_pc): Change prototype to take a regcache. Adjust. (s390_arch_setup): Adjust. * linux-sh-low.c (sh_get_pc, sh_breakpoint_at) (sh_fill_gregset): Change prototype to take a regcache. Adjust. * linux-sparc-low.c (sparc_fill_gregset_to_stack) (sparc_fill_gregset, sparc_store_gregset_from_stack) (sparc_store_gregset, sparc_get_pc): Change prototype to take a regcache. Adjust. (sparc_breakpoint_at): Adjust. * linux-xtensa-low.c (xtensa_fill_gregset): (xtensa_store_gregset): (xtensa_fill_xtregset, xtensa_store_xtregset, xtensa_get_pc) (xtensa_set_pc): Change prototype to take a regcache. Adjust. * nto-low.c (nto_fetch_registers, nto_store_registers): Change prototype to take a regcache. Adjust. * win32-arm-low.c (arm_fetch_inferior_register) (arm_store_inferior_register): Change prototype to take a regcache. Adjust. * win32-i386-low.c (i386_fetch_inferior_register) (i386_store_inferior_register): Change prototype to take a regcache. Adjust. * win32-low.c (child_fetch_inferior_registers) (child_store_inferior_registers): Change prototype to take a regcache. Adjust. (win32_wait): Adjust. (win32_fetch_inferior_registers): Change prototype to take a regcache. Adjust. (win32_store_inferior_registers): Adjust. * win32-low.h (struct win32_target_ops) <fetch_inferior_register, store_inferior_register>: Change prototype to take a regcache.
2010-01-20 23:55:38 +01:00
CORE_ADDR (*get_pc) (struct regcache *regcache);
void (*set_pc) (struct regcache *regcache, CORE_ADDR newpc);
* 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
const unsigned char *breakpoint;
int breakpoint_len;
CORE_ADDR (*breakpoint_reinsert_addr) (void);
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 decr_pc_after_break;
int (*breakpoint_at) (CORE_ADDR pc);
/* Breakpoint and watchpoint related functions. See target.h for
comments. */
int (*insert_point) (char type, CORE_ADDR addr, int len);
int (*remove_point) (char type, CORE_ADDR addr, int len);
int (*stopped_by_watchpoint) (void);
CORE_ADDR (*stopped_data_address) (void);
/* Hooks to reformat register data for PEEKUSR/POKEUSR (in particular
for registers smaller than an xfer unit). */
* regcache.h (struct thread_info): Forward declare. (struct regcache): New. (new_register_cache): Adjust prototype. (get_thread_regcache): Declare. (free_register_cache): Adjust prototype. (registers_to_string, registers_from_string): Ditto. (supply_register, supply_register_by_name, collect_register) (collect_register_as_string, collect_register_by_name): Ditto. * regcache.c (struct inferior_regcache_data): Delete. (get_regcache): Rename to ... (get_thread_regcache): ... this. Adjust. Switch inferior before fetching registers. (regcache_invalidate_one): Adjust. (regcache_invalidate): Fix prototype. (new_register_cache): Return the new register cache. (free_register_cache): Change prototype. (realloc_register_cache): Adjust. (registers_to_string): Change prototype to take a regcache. Adjust. (registers_from_string): Ditto. (register_data): Ditto. (supply_register): Ditto. (supply_register_by_name): Ditto. (collect_register): Ditto. (collect_register_as_string): Ditto. (collect_register_by_name): Ditto. * server.c (process_serial_event): Adjust. * linux-low.h (regset_fill_func, regset_store_func): Change prototype. (get_pc, set_pc, collect_ptrace_register, supply_ptrace_register): Change prototype. * linux-low.c (get_stop_pc): Adjust. (check_removed_breakpoint): Adjust. (linux_wait_for_event): Adjust. (linux_resume_one_lwp): Adjust. (fetch_register): Add regcache parameter. Adjust. (usr_store_inferior_registers): Ditto. (regsets_fetch_inferior_registers): Ditto. (regsets_store_inferior_registers): Ditto. (linux_fetch_registers, linux_store_registers): Ditto. * i387-fp.c (i387_cache_to_fsave): Change prototype to take a regcache. Adjust. (i387_fsave_to_cache, i387_cache_to_fxsave, i387_fxsave_to_cache): Ditto. * i387-fp.h (i387_cache_to_fsave, i387_fsave_to_cache): Change prototype to take a regcache. (i387_cache_to_fxsave, i387_fxsave_to_cache): Ditto. * remote-utils.c (convert_ascii_to_int, outreg) (prepare_resume_reply): Change prototype to take a regcache. Adjust. * target.h (struct target_ops) <fetch_registers, store_registers>: Change prototype to take a regcache. (fetch_inferior_registers, store_inferior_registers): Change prototype to take a regcache. Adjust. * proc-service.c (ps_lgetregs): Adjust. * linux-x86-low.c (x86_fill_gregset, x86_store_gregset) (x86_fill_fpregset, x86_store_fpregset, x86_fill_fpxregset) (x86_store_fpxregset, x86_get_pc, x86_set_pc): Change prototype to take a regcache. Adjust. * linux-arm-low.c (arm_fill_gregset, arm_store_gregset) (arm_fill_wmmxregset, arm_store_wmmxregset, arm_fill_vfpregset) (arm_store_vfpregset, arm_get_pc, arm_set_pc): (arm_breakpoint_at): Change prototype to take a regcache. Adjust. * linux-cris-low.c (cris_get_pc, cris_set_pc) (cris_cannot_fetch_register): (cris_breakpoint_at): Change prototype to take a regcache. Adjust. * linux-crisv32-low.c (cris_get_pc, cris_set_pc, cris_reinsert_addr, cris_write_data_breakpoint): Change prototype to take a regcache. Adjust. (cris_breakpoint_at, cris_insert_point, cris_remove_point): Adjust. * linux-m32r-low.c (m32r_get_pc, m32r_set_pc): Change prototype to take a regcache. Adjust. * linux-m68k-low.c (m68k_fill_gregset, m68k_store_gregset) (m68k_fill_fpregset, m68k_store_fpregset, m68k_get_pc, (m68k_set_pc): Change prototype to take a regcache. Adjust. * linux-mips-low.c (mips_get_pc): (mips_set_pc): Change prototype to take a regcache. Adjust. (mips_reinsert_addr): Adjust. (mips_collect_register): Change prototype to take a regcache. Adjust. (mips_supply_register): (mips_collect_register_32bit, mips_supply_register_32bit) (mips_fill_gregset, mips_store_gregset, mips_fill_fpregset) (mips_store_fpregset): Ditto. * linux-ppc-low.c (ppc_supply_ptrace_register, ppc_supply_ptrace_register): Ditto. (parse_spufs_run): Adjust. (ppc_get_pc, ppc_set_pc, ppc_fill_gregset, ppc_fill_vsxregset) (ppc_store_vsxregset, ppc_fill_vrregset, ppc_store_vrregset) (ppc_fill_evrregset, ppc_store_evrregset): Change prototype to take a regcache. Adjust. * linux-s390-low.c (s390_collect_ptrace_register) (s390_supply_ptrace_register, s390_fill_gregset, s390_get_pc) (s390_set_pc): Change prototype to take a regcache. Adjust. (s390_arch_setup): Adjust. * linux-sh-low.c (sh_get_pc, sh_breakpoint_at) (sh_fill_gregset): Change prototype to take a regcache. Adjust. * linux-sparc-low.c (sparc_fill_gregset_to_stack) (sparc_fill_gregset, sparc_store_gregset_from_stack) (sparc_store_gregset, sparc_get_pc): Change prototype to take a regcache. Adjust. (sparc_breakpoint_at): Adjust. * linux-xtensa-low.c (xtensa_fill_gregset): (xtensa_store_gregset): (xtensa_fill_xtregset, xtensa_store_xtregset, xtensa_get_pc) (xtensa_set_pc): Change prototype to take a regcache. Adjust. * nto-low.c (nto_fetch_registers, nto_store_registers): Change prototype to take a regcache. Adjust. * win32-arm-low.c (arm_fetch_inferior_register) (arm_store_inferior_register): Change prototype to take a regcache. Adjust. * win32-i386-low.c (i386_fetch_inferior_register) (i386_store_inferior_register): Change prototype to take a regcache. Adjust. * win32-low.c (child_fetch_inferior_registers) (child_store_inferior_registers): Change prototype to take a regcache. Adjust. (win32_wait): Adjust. (win32_fetch_inferior_registers): Change prototype to take a regcache. Adjust. (win32_store_inferior_registers): Adjust. * win32-low.h (struct win32_target_ops) <fetch_inferior_register, store_inferior_register>: Change prototype to take a regcache.
2010-01-20 23:55:38 +01:00
void (*collect_ptrace_register) (struct regcache *regcache,
int regno, char *buf);
void (*supply_ptrace_register) (struct regcache *regcache,
int regno, const char *buf);
/* Hook to convert from target format to ptrace format and back.
Returns true if any conversion was done; false otherwise.
If DIRECTION is 1, then copy from INF to NATIVE.
If DIRECTION is 0, copy from NATIVE to INF. */
int (*siginfo_fixup) (siginfo_t *native, void *inf, int direction);
Add h/w watchpoint support to x86-linux, win32-i386. * Makefile.in (SFILES): Add i386-low.c (i386_low_h): Define. (i386-low.o): Add dependencies. (linux-x86-low.o): Add i386-low.h dependency. (win32-i386-low.o): Ditto. * i386-low.c: New file. * i386-low.h: New file. * configure.srv (i[34567]86-*-cygwin*): Add i386-low.o to srv_tgtobj. (i[34567]86-*-linux*, i[34567]86-*-mingw*, x86_64-*-linux*): Ditto. * linux-low.c (linux_add_process): Initialize arch_private. (linux_remove_process): Free arch_private. (add_lwp): Initialize arch_private. (delete_lwp): Free arch_private. (linux_resume_one_lwp): Call the_low_target.prepare_to_resume if provided. * linux-low.h (process_info_private): New member arch_private. (lwp_info): New member arch_private. (linux_target_ops): New members new_process, new_thread, prepare_to_resume. (ptid_of): New macro. * linux-x86-low.c: Include stddef.h, i386-low.h. (arch_process_info): New struct. (arch_lwp_info): New struct. (x86_linux_dr_get, x86_linux_dr_set): New functions. (i386_dr_low_set_addr, i386_dr_low_set_control): New functions. (i386_dr_low_get_status): New function. (x86_insert_point, x86_remove_point): New functions. (x86_stopped_by_watchpoint): New function. (x86_stopped_data_address): New function. (x86_linux_new_process, x86_linux_new_thread): New functions. (x86_linux_prepare_to_resume): New function. (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address, new_process, new_thread, prepare_to_resume. * server.c (debug_hw_points): New global. (monitor_show_help): Document set debug-hw-points. (handle_query): Process "set debug-hw-points". * server.h (debug_hw_points): Declare. (paddress): Declare. * utils.c (NUMCELLS, CELLSIZE): New macros. (get_sell, xsnprintf, paddress): New functions. * win32-arm-low.c (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address. * win32-i386-low.c: Include i386-low.h. (debug_reg_state): Replaces dr. (i386_dr_low_set_addr, i386_dr_low_set_control): New functions. (i386_dr_low_get_status): New function. (i386_insert_point, i386_remove_point): New functions. (i386_stopped_by_watchpoint): New function. (i386_stopped_data_address): New function. (i386_initial_stuff): Update. (get_thread_context,set_thread_context,i386_thread_added): Update. (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address. * win32-low.c (win32_insert_watchpoint): New function. (win32_remove_watchpoint): New function. (win32_stopped_by_watchpoint): New function. (win32_stopped_data_address): New function. (win32_target_ops): Add entries for insert_watchpoint, remove_watchpoint, stopped_by_watchpoint, stopped_data_address. * win32-low.h (win32_target_ops): New members insert_point, remove_point, stopped_by_watchpoint, stopped_data_address.
2009-06-30 18:35:25 +02:00
/* Hook to call when a new process is created or attached to.
If extra per-process architecture-specific data is needed,
allocate it here. */
struct arch_process_info * (*new_process) (void);
/* Hook to call when a new thread is detected.
If extra per-thread architecture-specific data is needed,
allocate it here. */
struct arch_lwp_info * (*new_thread) (void);
/* Hook to call prior to resuming a thread. */
void (*prepare_to_resume) (struct lwp_info *);
Add x86 AVX support to gdbserver. 2010-04-07 H.J. Lu <hongjiu.lu@intel.com> * Makefile.in (clean): Updated. (i386-avx.o): New. (i386-avx.c): Likewise. (i386-avx-linux.o): Likewise. (i386-avx-linux.c): Likewise. (amd64-avx.o): Likewise. (amd64-avx.c): Likewise. (amd64-avx-linux.o): Likewise. (amd64-avx-linux.c): Likewise. * configure.srv (srv_i386_regobj): Add i386-avx.o. (srv_i386_linux_regobj): Add i386-avx-linux.o. (srv_amd64_regobj): Add amd64-avx.o. (srv_amd64_linux_regobj): Add amd64-avx-linux.o. (srv_i386_32bit_xmlfiles): Add i386/32bit-avx.xml. (srv_i386_64bit_xmlfiles): Add i386/64bit-avx.xml. (srv_i386_xmlfiles): Add i386/i386-avx.xml. (srv_amd64_xmlfiles): Add i386/amd64-avx.xml. (srv_i386_linux_xmlfiles): Add i386/i386-avx-linux.xml. (srv_amd64_linux_xmlfiles): Add i386/amd64-avx-linux.xml. * i387-fp.c: Include "i386-xstate.h". (i387_xsave): New. (i387_cache_to_xsave): Likewise. (i387_xsave_to_cache): Likewise. (x86_xcr0): Likewise. * i387-fp.h (i387_cache_to_xsave): Likewise. (i387_xsave_to_cache): Likewise. (x86_xcr0): Likewise. * linux-arm-low.c (target_regsets): Initialize nt_type to 0. * linux-crisv32-low.c (target_regsets): Likewise. * linux-m68k-low.c (target_regsets): Likewise. * linux-mips-low.c (target_regsets): Likewise. * linux-ppc-low.c (target_regsets): Likewise. * linux-s390-low.c (target_regsets): Likewise. * linux-sh-low.c (target_regsets): Likewise. * linux-sparc-low.c (target_regsets): Likewise. * linux-xtensa-low.c (target_regsets): Likewise. * linux-low.c: Include <sys/uio.h>. (regsets_fetch_inferior_registers): Support nt_type. (regsets_store_inferior_registers): Likewise. (linux_process_qsupported): New. (linux_target_ops): Add linux_process_qsupported. * linux-low.h (regset_info): Add nt_type. (linux_target_ops): Add process_qsupported. * linux-x86-low.c: Include "i386-xstate.h", "elf/common.h" and <sys/uio.h>. (init_registers_i386_avx_linux): New. (init_registers_amd64_avx_linux): Likewise. (xmltarget_i386_linux_no_xml): Likewise. (xmltarget_amd64_linux_no_xml): Likewise. (PTRACE_GETREGSET): Likewise. (PTRACE_SETREGSET): Likewise. (x86_fill_xstateregset): Likewise. (x86_store_xstateregset): Likewise. (use_xml): Likewise. (x86_linux_update_xmltarget): Likewise. (x86_linux_process_qsupported): Likewise. (target_regsets): Add NT_X86_XSTATE entry and Initialize nt_type. (x86_arch_setup): Don't call init_registers_amd64_linux nor init_registers_i386_linux here. Call x86_linux_update_xmltarget. (the_low_target): Add x86_linux_process_qsupported. * server.c (handle_query): Call target_process_qsupported. * target.h (target_ops): Add process_qsupported. (target_process_qsupported): New.
2010-04-07 20:49:46 +02:00
/* Hook to support target specific qSupported. */
void (*process_qsupported) (const char *);
gdb/gdbserver/ * server.h (LONGEST): New. (struct thread_info) <while_stepping>: New field. (unpack_varlen_hex, xrealloc, pulongest, plongest, phex_nz): Declare. (initialize_tracepoint, handle_tracepoint_general_set) (handle_tracepoint_query, tracepoint_finished_step) (tracepoint_was_hit, release_while_stepping_state_list): (current_traceframe): Declare. * server.c (handle_general_set): Handle tracepoint packets. (read_memory): New. (write_memory): New. (handle_search_memory_1): Use read_memory. (handle_query): Report support for conditional tracepoints, trace state variables, and tracepoint sources. Handle tracepoint queries. (main): Initialize the tracepoints module. (process_serial_event): Handle traceframe reads/writes. * linux-low.c (handle_tracepoints): New. (linux_wait_1): Call it. (linux_resume_one_lwp): Handle while-stepping. (linux_supports_tracepoints, linux_read_pc, linux_write_pc): New. (linux_target_ops): Install them. * linux-low.h (struct linux_target_ops) <supports_tracepoints>: New field. * linux-x86-low.c (x86_supports_tracepoints): New. (the_low_target). Install it. * mem-break.h (delete_breakpoint): Declare. * mem-break.c (delete_breakpoint): Make external. * target.h (struct target_ops): Add `supports_tracepoints', `read_pc', and `write_pc' fields. (target_supports_tracepoints): Define. * utils.c (xrealloc, decimal2str, pulongest, plongest, thirty_two) (phex_nz): New. * regcache.h (struct regcache) <registers_owned>: New field. (init_register_cache, regcache_cpy): Declare. (regcache_read_pc, regcache_write_pc): Declare. (register_cache_size): Declare. (supply_regblock): Declare. * regcache.c (init_register_cache): New. (new_register_cache): Use it. (regcache_cpy): New. (register_cache_size): New. (supply_regblock): New. (regcache_read_pc, regcache_write_pc): New. * tracepoint.c: New. * Makefile.in (OBS): Add tracepoint.o. (tracepoint.o): New rule. gdb/ * regformats/regdat.sh: Include server.h. Don't include regcache.h.
2010-04-09 05:40:00 +02:00
/* Returns true if the low target supports tracepoints. */
int (*supports_tracepoints) (void);
gdb/gdbserver/ 2010-06-01 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> * Makefile.in (IPA_DEPFILES, extra_libraries): New. (all): Depend on $(extra_libraries). (install-only): Install the IPA. (IPA_OBJS, IPA_LIB): New. (clean): Remove the IPA lib. (IPAGENT_CFLAGS): New. (tracepoint-ipa.o, utils-ipa.o, remote-utils-ipa.o) (regcache-ipa.o, i386-linux-ipa.o, linux-i386-ipa.o) (linux-amd64-ipa.o, amd64-linux-ipa.o): New rules. * linux-amd64-ipa.c, linux-i386-ipa.c: New files. * configure.ac: Check for atomic builtins support in the compiler. (IPA_DEPFILES, extra_libraries): Define. * configure.srv (ipa_obj): Add description. (ipa_i386_linux_regobj, ipa_amd64_linux_regobj): Define. (i[34567]86-*-linux*): Set ipa_obj. (x86_64-*-linux*): Set ipa_obj. * linux-low.c (stabilizing_threads): New. (supports_fast_tracepoints): New. (linux_detach): Stabilize threads before detaching. (handle_tracepoints): Handle internal tracing breakpoints. Assert the lwp is either not stabilizing, or is moving out of a jump pad. (linux_fast_tracepoint_collecting): New. (maybe_move_out_of_jump_pad): New. (enqueue_one_deferred_signal): New. (dequeue_one_deferred_signal): New. (linux_wait_for_event_1): If moving out of a jump pad, defer pending signals to later. (linux_stabilize_threads): New. (linux_wait_1): Check if threads need moving out of jump pads, and do it if so. (stuck_in_jump_pad_callback): New. (move_out_of_jump_pad_callback): New. (lwp_running): New. (linux_resume_one_lwp): Handle moving out of jump pads. (linux_set_resume_request): Dequeue deferred signals. (need_step_over_p): Also step over fast tracepoint jumps. (start_step_over): Also uninsert fast tracepoint jumps. (finish_step_over): Also reinsert fast tracepoint jumps. (linux_install_fast_tracepoint_jump): New. (linux_target_ops): Install linux_stabilize_threads and linux_install_fast_tracepoint_jump_pad. * linux-low.h (linux_target_ops) <get_thread_area, install_fast_tracepoint_jump_pad>: New fields. (struct lwp_info) <collecting_fast_tracepoint, pending_signals_to_report, exit_jump_pad_bkpt>: New fields. (linux_get_thread_area): Declare. * linux-x86-low.c (jump_insn): New. (x86_get_thread_area): New. (append_insns): New. (push_opcode): New. (amd64_install_fast_tracepoint_jump_pad): New. (i386_install_fast_tracepoint_jump_pad): New. (x86_install_fast_tracepoint_jump_pad): New. (the_low_target): Install x86_get_thread_area and x86_install_fast_tracepoint_jump_pad. * mem-break.c (set_raw_breakpoint_at): Use read_inferior_memory. (struct fast_tracepoint_jump): New. (fast_tracepoint_jump_insn): New. (fast_tracepoint_jump_shadow): New. (find_fast_tracepoint_jump_at): New. (fast_tracepoint_jump_here): New. (delete_fast_tracepoint_jump): New. (set_fast_tracepoint_jump): New. (uninsert_fast_tracepoint_jumps_at): New. (reinsert_fast_tracepoint_jumps_at): New. (set_breakpoint_at): Use write_inferior_memory. (uninsert_raw_breakpoint): Use write_inferior_memory. (check_mem_read): Mask out fast tracepoint jumps. (check_mem_write): Mask out fast tracepoint jumps. * mem-break.h (struct fast_tracepoint_jump): Forward declare. (set_fast_tracepoint_jump): Declare. (delete_fast_tracepoint_jump) (fast_tracepoint_jump_here, uninsert_fast_tracepoint_jumps_at) (reinsert_fast_tracepoint_jumps_at): Declare. * regcache.c: Don't compile many functions when building the in-process agent library. (init_register_cache) [IN_PROCESS_AGENT]: Don't allow allocating the register buffer in the heap. (free_register_cache): If the register buffer isn't owned by the regcache, don't free it. (set_register_cache) [IN_PROCESS_AGENT]: Don't re-alocate pre-existing register caches. * remote-utils.c (convert_int_to_ascii): Constify `from' parameter type. (convert_ascii_to_int): : Constify `from' parameter type. (decode_M_packet, decode_X_packet): Replace the `to' parameter by a `to_p' pointer to pointer parameter. If TO_P is NULL, malloc the needed buffer in-place. (relocate_instruction): New. * server.c (handle_query) <qSymbols>: If the target supports tracepoints, give it a chance of looking up symbols. Report support for fast tracepoints. (handle_status): Stabilize threads. (process_serial_event): Adjust. * server.h (struct fast_tracepoint_jump): Forward declare. (struct process_info) <fast_tracepoint_jumps>: New field. (convert_ascii_to_int, convert_int_to_ascii): Adjust. (decode_X_packet, decode_M_packet): Adjust. (relocate_instruction): Declare. (in_process_agent_loaded): Declare. (tracepoint_look_up_symbols): Declare. (struct fast_tpoint_collect_status): Declare. (fast_tracepoint_collecting): Declare. (force_unlock_trace_buffer): Declare. (handle_tracepoint_bkpts): Declare. (initialize_low_tracepoint) (supply_fast_tracepoint_registers) [IN_PROCESS_AGENT]: Declare. * target.h (struct target_ops) <stabilize_threads, install_fast_tracepoint_jump_pad>: New fields. (stabilize_threads, install_fast_tracepoint_jump_pad): New. * tracepoint.c [HAVE_MALLOC_H]: Include malloc.h. [HAVE_STDINT_H]: Include stdint.h. (trace_debug_1): Rename to ... (trace_vdebug): ... this. (trace_debug): Rename to ... (trace_debug_1): ... this. Add `level' parameter. (trace_debug): New. (ATTR_USED, ATTR_NOINLINE): New. (IP_AGENT_EXPORT): New. (gdb_tp_heap_buffer, gdb_jump_pad_buffer, gdb_jump_pad_buffer_end) (collecting, gdb_collect, stop_tracing, flush_trace_buffer) (about_to_request_buffer_space, trace_buffer_is_full) (stopping_tracepoint, expr_eval_result, error_tracepoint) (tracepoints, tracing, trace_buffer_ctrl, trace_buffer_ctrl_curr) (trace_buffer_lo, trace_buffer_hi, traceframe_read_count) (traceframe_write_count, traceframes_created) (trace_state_variables) New renaming defines. (struct ipa_sym_addresses): New. (STRINGIZE_1, STRINGIZE, IPA_SYM): New. (symbol_list): New. (ipa_sym_addrs): New. (all_tracepoint_symbols_looked_up): New. (in_process_agent_loaded): New. (write_e_ipa_not_loaded): New. (maybe_write_ipa_not_loaded): New. (tracepoint_look_up_symbols): New. (debug_threads) [IN_PROCESS_AGENT]: New. (read_inferior_memory) [IN_PROCESS_AGENT]: New. (UNKNOWN_SIDE_EFFECTS): New. (stop_tracing): New. (flush_trace_buffer): New. (stop_tracing_bkpt): New. (flush_trace_buffer_bkpt): New. (read_inferior_integer): New. (read_inferior_uinteger): New. (read_inferior_data_pointer): New. (write_inferior_data_pointer): New. (write_inferior_integer): New. (write_inferior_uinteger): New. (struct collect_static_trace_data_action): Delete. (enum tracepoint_type): New. (struct tracepoint) <type>: New field `type'. <actions_str, step_actions, step_actions_str>: Only include in GDBserver. <orig_size, obj_addr_on_target, adjusted_insn_addr> <adjusted_insn_addr_end, jump_pad, jump_pad_end>: New fields. (tracepoints): Use IP_AGENT_EXPORT. (last_tracepoint): Don't include in the IPA. (stopping_tracepoint): Use IP_AGENT_EXPORT. (trace_buffer_is_full): Use IP_AGENT_EXPORT. (alloced_trace_state_variables): New. (trace_state_variables): Use IP_AGENT_EXPORT. (traceframe_t): Delete unused variable. (circular_trace_buffer): Don't include in the IPA. (trace_buffer_start): Delete. (struct trace_buffer_control): New. (trace_buffer_free): Delete. (struct ipa_trace_buffer_control): New. (GDBSERVER_FLUSH_COUNT_MASK, GDBSERVER_FLUSH_COUNT_MASK_PREV) (GDBSERVER_FLUSH_COUNT_MASK_CURR, GDBSERVER_UPDATED_FLUSH_COUNT_BIT): New. (trace_buffer_ctrl): New. (TRACE_BUFFER_CTRL_CURR): New. (trace_buffer_start, trace_buffer_free, trace_buffer_end_free): Reimplement as macros. (trace_buffer_wrap): Delete. (traceframe_write_count, traceframe_read_count) (traceframes_created, tracing): Use IP_AGENT_EXPORT. (struct tracepoint_hit_ctx) <type>: New field. (struct fast_tracepoint_ctx): New. (memory_barrier): New. (cmpxchg): New. (record_tracepoint_error): Update atomically in the IPA. (clear_inferior_trace_buffer): New. (about_to_request_buffer_space): New. (trace_buffer_alloc): Handle GDBserver and inferior simulatenous updating the same buffer. (add_tracepoint): Default the tracepoint's type to trap tracepoint, and orig_size to -1. (get_trace_state_variable) [IN_PROCESS_AGENT]: Handle allocated internal variables. (create_trace_state_variable): New parameter `gdb'. Handle it. (clear_installed_tracepoints): Clear fast tracepoint jumps. (cmd_qtdp): Handle fast tracepoints. (cmd_qtdv): Adjust. (max_jump_pad_size): New. (gdb_jump_pad_head): New. (get_jump_space_head): New. (claim_jump_space): New. (sort_tracepoints): New. (MAX_JUMP_SIZE): New. (cmd_qtstart): Handle fast tracepoints. Sync tracepoints with the IPA. (stop_tracing) [IN_PROCESS_AGENT]: Don't include the tdisconnected support. Upload fast traceframes, and delete internal IPA breakpoints. (stop_tracing_handler): New. (flush_trace_buffer_handler): New. (cmd_qtstop): Upload fast tracepoints. (response_tracepoint): Handle fast tracepoints. (tracepoint_finished_step): Upload fast traceframes. Set the tracepoint hit context's tracepoint type. (handle_tracepoint_bkpts): New. (tracepoint_was_hit): Set the tracepoint hit context's tracepoint type. Add comment about fast tracepoints. (collect_data_at_tracepoint) [IN_PROCESS_AGENT]: Don't access the non-existing action_str field. (get_context_regcache): Handle fast tracepoints. (do_action_at_tracepoint) [!IN_PROCESS_AGENT]: Don't write the PC to the regcache. (fast_tracepoint_from_jump_pad_address): New. (fast_tracepoint_from_ipa_tpoint_address): New. (collecting_t): New. (force_unlock_trace_buffer): New. (fast_tracepoint_collecting): New. (collecting): New. (gdb_collect): New. (write_inferior_data_ptr): New. (target_tp_heap): New. (target_malloc): New. (download_agent_expr): New. (UALIGN): New. (download_tracepoints): New. (download_trace_state_variables): New. (upload_fast_traceframes): New. (IPA_FIRST_TRACEFRAME): New. (IPA_NEXT_TRACEFRAME_1): New. (IPA_NEXT_TRACEFRAME): New. [IN_PROCESS_AGENT]: Include sys/mman.h and fcntl.h. [IN_PROCESS_AGENT] (gdb_tp_heap_buffer, gdb_jump_pad_buffer) (gdb_jump_pad_buffer_end): New. [IN_PROCESS_AGENT] (initialize_tracepoint_ftlib): New. (initialize_tracepoint): Adjust. [IN_PROCESS_AGENT]: Allocate the IPA heap, and jump pad scratch buffer. Initialize the low module. * utils.c (PREFIX, TOOLNAME): New. (malloc_failure): Use PREFIX. (error): In the IPA, an error causes an exit. (fatal, warning): Use PREFIX. (internal_error): Use TOOLNAME. (NUMCELLS): Increase to 10. * configure, config.in: Regenerate. gdb/ 2010-06-01 Pedro Alves <pedro@codesourcery.com> * NEWS: Mention gdbserver fast tracepoints support. gdb/doc/ 2010-06-01 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Set Tracepoints): Mention tracepoints support in gdbserver, and add cross reference. (Tracepoints support in gdbserver): New subsection.
2010-06-01 15:20:52 +02:00
/* Fill ADDRP with the thread area address of LWPID. Returns 0 on
success, -1 on failure. */
int (*get_thread_area) (int lwpid, CORE_ADDR *addrp);
/* Install a fast tracepoint jump pad. See target.h for
comments. */
int (*install_fast_tracepoint_jump_pad) (CORE_ADDR tpoint, CORE_ADDR tpaddr,
CORE_ADDR collector,
CORE_ADDR lockaddr,
ULONGEST orig_size,
CORE_ADDR *jump_entry,
2011-11-14 Stan Shebs <stan@codesourcery.com> Kwok Cheung Yeung <kcy@codesourcery.com> * NEWS: Document shorter fast tracepoints and qTMinFTPILen packet. * i386-tdep.c (i386_fast_tracepoint_valid_at): Query target for the minimum instruction size for fast tracepoints. * target.h (struct target_ops): Add new method to_get_min_fast_tracepoint_insn_len. (target_get_min_fast_tracepoint_insn_len): New. * target.c (update_current_target): Set up new target operation. * remote.c (remote_write_bytes_aux): Fix typo. (remote_get_min_fast_tracepoint_insn_len): New. (init_remote_ops): Initialize new field. * gdb.texinfo (Create and Delete Tracepoints): Describe what is needed to get shorter fast tracepoints. (Tracepoint Packets): Document new qTMinFTPILen packet. * linux-x86-low.c (small_jump_insn): New. (i386_install_fast_tracepoint_jump_pad): Add arguments for trampoline and error message, build a trampoline and issue a small jump instruction to it. (x86_install_fast_tracepoint_jump_pad): Add arguments for trampoline and error message. (x86_get_min_fast_tracepoint_insn_len): New. (the_low_target): Add call to x86_get_min_fast_tracepoint_insn_len. * linux-low.h (struct linux_target_ops): Add arguments to install_fast_tracepoint_jump_pad operation, add new operation. * linux-low.c (linux_install_fast_tracepoint_jump_pad): Add arguments. (linux_get_min_fast_tracepoint_insn_len): New function. (linux_target_op): Add new operation. * tracepoint.c (gdb_trampoline_buffer): New IPA variable. (gdb_trampoline_buffer_end): Ditto. (gdb_trampoline_buffer_error): Ditto. (struct ipa_sym_addresses): Add fields for new IPA variables. (symbol_list): Add entries for new IPA variables. (struct tracepoint): Add fields to hold the address range of the trampoline used by the tracepoint. (trampoline_buffer_head): New static variable. (trampoline_buffer_tail): Ditto. (claim_trampoline_space): New function. (have_fast_tracepoint_trampoline_buffer): New function. (clone_fast_tracepoint): Fill in trampoline fields of tracepoint structure. (install_fast_tracepoint): Ditto, also add error buffer argument. (cmd_qtminftpilen): New function. (handle_tracepoint_query): Add response to qTMinFTPILen packet. (fast_tracepoint_from_trampoline_address): New function. (fast_tracepoint_collecting): Handle trampoline as part of jump pad space. (set_trampoline_buffer_space): New function. (initialize_tracepoint): Initialize new IPA variables. * target.h (struct target_ops): Add arguments to install_fast_tracepoint_jump_pad operation, add new get_min_fast_tracepoint_insn_len operation. (target_get_min_fast_tracepoint_insn_len): New. (install_fast_tracepoint_jump_pad): Add arguments. * server.h (IPA_BUFSIZ): Define. * linux-i386-ipa.c: Include extra header files. (initialize_fast_tracepoint_trampoline_buffer): New function. (initialize_low_tracepoint): Call it. * server.h (set_trampoline_buffer_space): Declare. (claim_trampoline_space): Ditto. (have_fast_tracepoint_trampoline_buffer): Ditto. * gdb.trace/ftrace.c: New. * gdb.trace/ftrace.exp: New.
2011-11-14 21:07:25 +01:00
CORE_ADDR *trampoline,
ULONGEST *trampoline_size,
gdb/gdbserver/ 2010-06-01 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> * Makefile.in (IPA_DEPFILES, extra_libraries): New. (all): Depend on $(extra_libraries). (install-only): Install the IPA. (IPA_OBJS, IPA_LIB): New. (clean): Remove the IPA lib. (IPAGENT_CFLAGS): New. (tracepoint-ipa.o, utils-ipa.o, remote-utils-ipa.o) (regcache-ipa.o, i386-linux-ipa.o, linux-i386-ipa.o) (linux-amd64-ipa.o, amd64-linux-ipa.o): New rules. * linux-amd64-ipa.c, linux-i386-ipa.c: New files. * configure.ac: Check for atomic builtins support in the compiler. (IPA_DEPFILES, extra_libraries): Define. * configure.srv (ipa_obj): Add description. (ipa_i386_linux_regobj, ipa_amd64_linux_regobj): Define. (i[34567]86-*-linux*): Set ipa_obj. (x86_64-*-linux*): Set ipa_obj. * linux-low.c (stabilizing_threads): New. (supports_fast_tracepoints): New. (linux_detach): Stabilize threads before detaching. (handle_tracepoints): Handle internal tracing breakpoints. Assert the lwp is either not stabilizing, or is moving out of a jump pad. (linux_fast_tracepoint_collecting): New. (maybe_move_out_of_jump_pad): New. (enqueue_one_deferred_signal): New. (dequeue_one_deferred_signal): New. (linux_wait_for_event_1): If moving out of a jump pad, defer pending signals to later. (linux_stabilize_threads): New. (linux_wait_1): Check if threads need moving out of jump pads, and do it if so. (stuck_in_jump_pad_callback): New. (move_out_of_jump_pad_callback): New. (lwp_running): New. (linux_resume_one_lwp): Handle moving out of jump pads. (linux_set_resume_request): Dequeue deferred signals. (need_step_over_p): Also step over fast tracepoint jumps. (start_step_over): Also uninsert fast tracepoint jumps. (finish_step_over): Also reinsert fast tracepoint jumps. (linux_install_fast_tracepoint_jump): New. (linux_target_ops): Install linux_stabilize_threads and linux_install_fast_tracepoint_jump_pad. * linux-low.h (linux_target_ops) <get_thread_area, install_fast_tracepoint_jump_pad>: New fields. (struct lwp_info) <collecting_fast_tracepoint, pending_signals_to_report, exit_jump_pad_bkpt>: New fields. (linux_get_thread_area): Declare. * linux-x86-low.c (jump_insn): New. (x86_get_thread_area): New. (append_insns): New. (push_opcode): New. (amd64_install_fast_tracepoint_jump_pad): New. (i386_install_fast_tracepoint_jump_pad): New. (x86_install_fast_tracepoint_jump_pad): New. (the_low_target): Install x86_get_thread_area and x86_install_fast_tracepoint_jump_pad. * mem-break.c (set_raw_breakpoint_at): Use read_inferior_memory. (struct fast_tracepoint_jump): New. (fast_tracepoint_jump_insn): New. (fast_tracepoint_jump_shadow): New. (find_fast_tracepoint_jump_at): New. (fast_tracepoint_jump_here): New. (delete_fast_tracepoint_jump): New. (set_fast_tracepoint_jump): New. (uninsert_fast_tracepoint_jumps_at): New. (reinsert_fast_tracepoint_jumps_at): New. (set_breakpoint_at): Use write_inferior_memory. (uninsert_raw_breakpoint): Use write_inferior_memory. (check_mem_read): Mask out fast tracepoint jumps. (check_mem_write): Mask out fast tracepoint jumps. * mem-break.h (struct fast_tracepoint_jump): Forward declare. (set_fast_tracepoint_jump): Declare. (delete_fast_tracepoint_jump) (fast_tracepoint_jump_here, uninsert_fast_tracepoint_jumps_at) (reinsert_fast_tracepoint_jumps_at): Declare. * regcache.c: Don't compile many functions when building the in-process agent library. (init_register_cache) [IN_PROCESS_AGENT]: Don't allow allocating the register buffer in the heap. (free_register_cache): If the register buffer isn't owned by the regcache, don't free it. (set_register_cache) [IN_PROCESS_AGENT]: Don't re-alocate pre-existing register caches. * remote-utils.c (convert_int_to_ascii): Constify `from' parameter type. (convert_ascii_to_int): : Constify `from' parameter type. (decode_M_packet, decode_X_packet): Replace the `to' parameter by a `to_p' pointer to pointer parameter. If TO_P is NULL, malloc the needed buffer in-place. (relocate_instruction): New. * server.c (handle_query) <qSymbols>: If the target supports tracepoints, give it a chance of looking up symbols. Report support for fast tracepoints. (handle_status): Stabilize threads. (process_serial_event): Adjust. * server.h (struct fast_tracepoint_jump): Forward declare. (struct process_info) <fast_tracepoint_jumps>: New field. (convert_ascii_to_int, convert_int_to_ascii): Adjust. (decode_X_packet, decode_M_packet): Adjust. (relocate_instruction): Declare. (in_process_agent_loaded): Declare. (tracepoint_look_up_symbols): Declare. (struct fast_tpoint_collect_status): Declare. (fast_tracepoint_collecting): Declare. (force_unlock_trace_buffer): Declare. (handle_tracepoint_bkpts): Declare. (initialize_low_tracepoint) (supply_fast_tracepoint_registers) [IN_PROCESS_AGENT]: Declare. * target.h (struct target_ops) <stabilize_threads, install_fast_tracepoint_jump_pad>: New fields. (stabilize_threads, install_fast_tracepoint_jump_pad): New. * tracepoint.c [HAVE_MALLOC_H]: Include malloc.h. [HAVE_STDINT_H]: Include stdint.h. (trace_debug_1): Rename to ... (trace_vdebug): ... this. (trace_debug): Rename to ... (trace_debug_1): ... this. Add `level' parameter. (trace_debug): New. (ATTR_USED, ATTR_NOINLINE): New. (IP_AGENT_EXPORT): New. (gdb_tp_heap_buffer, gdb_jump_pad_buffer, gdb_jump_pad_buffer_end) (collecting, gdb_collect, stop_tracing, flush_trace_buffer) (about_to_request_buffer_space, trace_buffer_is_full) (stopping_tracepoint, expr_eval_result, error_tracepoint) (tracepoints, tracing, trace_buffer_ctrl, trace_buffer_ctrl_curr) (trace_buffer_lo, trace_buffer_hi, traceframe_read_count) (traceframe_write_count, traceframes_created) (trace_state_variables) New renaming defines. (struct ipa_sym_addresses): New. (STRINGIZE_1, STRINGIZE, IPA_SYM): New. (symbol_list): New. (ipa_sym_addrs): New. (all_tracepoint_symbols_looked_up): New. (in_process_agent_loaded): New. (write_e_ipa_not_loaded): New. (maybe_write_ipa_not_loaded): New. (tracepoint_look_up_symbols): New. (debug_threads) [IN_PROCESS_AGENT]: New. (read_inferior_memory) [IN_PROCESS_AGENT]: New. (UNKNOWN_SIDE_EFFECTS): New. (stop_tracing): New. (flush_trace_buffer): New. (stop_tracing_bkpt): New. (flush_trace_buffer_bkpt): New. (read_inferior_integer): New. (read_inferior_uinteger): New. (read_inferior_data_pointer): New. (write_inferior_data_pointer): New. (write_inferior_integer): New. (write_inferior_uinteger): New. (struct collect_static_trace_data_action): Delete. (enum tracepoint_type): New. (struct tracepoint) <type>: New field `type'. <actions_str, step_actions, step_actions_str>: Only include in GDBserver. <orig_size, obj_addr_on_target, adjusted_insn_addr> <adjusted_insn_addr_end, jump_pad, jump_pad_end>: New fields. (tracepoints): Use IP_AGENT_EXPORT. (last_tracepoint): Don't include in the IPA. (stopping_tracepoint): Use IP_AGENT_EXPORT. (trace_buffer_is_full): Use IP_AGENT_EXPORT. (alloced_trace_state_variables): New. (trace_state_variables): Use IP_AGENT_EXPORT. (traceframe_t): Delete unused variable. (circular_trace_buffer): Don't include in the IPA. (trace_buffer_start): Delete. (struct trace_buffer_control): New. (trace_buffer_free): Delete. (struct ipa_trace_buffer_control): New. (GDBSERVER_FLUSH_COUNT_MASK, GDBSERVER_FLUSH_COUNT_MASK_PREV) (GDBSERVER_FLUSH_COUNT_MASK_CURR, GDBSERVER_UPDATED_FLUSH_COUNT_BIT): New. (trace_buffer_ctrl): New. (TRACE_BUFFER_CTRL_CURR): New. (trace_buffer_start, trace_buffer_free, trace_buffer_end_free): Reimplement as macros. (trace_buffer_wrap): Delete. (traceframe_write_count, traceframe_read_count) (traceframes_created, tracing): Use IP_AGENT_EXPORT. (struct tracepoint_hit_ctx) <type>: New field. (struct fast_tracepoint_ctx): New. (memory_barrier): New. (cmpxchg): New. (record_tracepoint_error): Update atomically in the IPA. (clear_inferior_trace_buffer): New. (about_to_request_buffer_space): New. (trace_buffer_alloc): Handle GDBserver and inferior simulatenous updating the same buffer. (add_tracepoint): Default the tracepoint's type to trap tracepoint, and orig_size to -1. (get_trace_state_variable) [IN_PROCESS_AGENT]: Handle allocated internal variables. (create_trace_state_variable): New parameter `gdb'. Handle it. (clear_installed_tracepoints): Clear fast tracepoint jumps. (cmd_qtdp): Handle fast tracepoints. (cmd_qtdv): Adjust. (max_jump_pad_size): New. (gdb_jump_pad_head): New. (get_jump_space_head): New. (claim_jump_space): New. (sort_tracepoints): New. (MAX_JUMP_SIZE): New. (cmd_qtstart): Handle fast tracepoints. Sync tracepoints with the IPA. (stop_tracing) [IN_PROCESS_AGENT]: Don't include the tdisconnected support. Upload fast traceframes, and delete internal IPA breakpoints. (stop_tracing_handler): New. (flush_trace_buffer_handler): New. (cmd_qtstop): Upload fast tracepoints. (response_tracepoint): Handle fast tracepoints. (tracepoint_finished_step): Upload fast traceframes. Set the tracepoint hit context's tracepoint type. (handle_tracepoint_bkpts): New. (tracepoint_was_hit): Set the tracepoint hit context's tracepoint type. Add comment about fast tracepoints. (collect_data_at_tracepoint) [IN_PROCESS_AGENT]: Don't access the non-existing action_str field. (get_context_regcache): Handle fast tracepoints. (do_action_at_tracepoint) [!IN_PROCESS_AGENT]: Don't write the PC to the regcache. (fast_tracepoint_from_jump_pad_address): New. (fast_tracepoint_from_ipa_tpoint_address): New. (collecting_t): New. (force_unlock_trace_buffer): New. (fast_tracepoint_collecting): New. (collecting): New. (gdb_collect): New. (write_inferior_data_ptr): New. (target_tp_heap): New. (target_malloc): New. (download_agent_expr): New. (UALIGN): New. (download_tracepoints): New. (download_trace_state_variables): New. (upload_fast_traceframes): New. (IPA_FIRST_TRACEFRAME): New. (IPA_NEXT_TRACEFRAME_1): New. (IPA_NEXT_TRACEFRAME): New. [IN_PROCESS_AGENT]: Include sys/mman.h and fcntl.h. [IN_PROCESS_AGENT] (gdb_tp_heap_buffer, gdb_jump_pad_buffer) (gdb_jump_pad_buffer_end): New. [IN_PROCESS_AGENT] (initialize_tracepoint_ftlib): New. (initialize_tracepoint): Adjust. [IN_PROCESS_AGENT]: Allocate the IPA heap, and jump pad scratch buffer. Initialize the low module. * utils.c (PREFIX, TOOLNAME): New. (malloc_failure): Use PREFIX. (error): In the IPA, an error causes an exit. (fatal, warning): Use PREFIX. (internal_error): Use TOOLNAME. (NUMCELLS): Increase to 10. * configure, config.in: Regenerate. gdb/ 2010-06-01 Pedro Alves <pedro@codesourcery.com> * NEWS: Mention gdbserver fast tracepoints support. gdb/doc/ 2010-06-01 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Set Tracepoints): Mention tracepoints support in gdbserver, and add cross reference. (Tracepoints support in gdbserver): New subsection.
2010-06-01 15:20:52 +02:00
unsigned char *jjump_pad_insn,
ULONGEST *jjump_pad_insn_size,
CORE_ADDR *adjusted_insn_addr,
2011-11-14 Stan Shebs <stan@codesourcery.com> Kwok Cheung Yeung <kcy@codesourcery.com> * NEWS: Document shorter fast tracepoints and qTMinFTPILen packet. * i386-tdep.c (i386_fast_tracepoint_valid_at): Query target for the minimum instruction size for fast tracepoints. * target.h (struct target_ops): Add new method to_get_min_fast_tracepoint_insn_len. (target_get_min_fast_tracepoint_insn_len): New. * target.c (update_current_target): Set up new target operation. * remote.c (remote_write_bytes_aux): Fix typo. (remote_get_min_fast_tracepoint_insn_len): New. (init_remote_ops): Initialize new field. * gdb.texinfo (Create and Delete Tracepoints): Describe what is needed to get shorter fast tracepoints. (Tracepoint Packets): Document new qTMinFTPILen packet. * linux-x86-low.c (small_jump_insn): New. (i386_install_fast_tracepoint_jump_pad): Add arguments for trampoline and error message, build a trampoline and issue a small jump instruction to it. (x86_install_fast_tracepoint_jump_pad): Add arguments for trampoline and error message. (x86_get_min_fast_tracepoint_insn_len): New. (the_low_target): Add call to x86_get_min_fast_tracepoint_insn_len. * linux-low.h (struct linux_target_ops): Add arguments to install_fast_tracepoint_jump_pad operation, add new operation. * linux-low.c (linux_install_fast_tracepoint_jump_pad): Add arguments. (linux_get_min_fast_tracepoint_insn_len): New function. (linux_target_op): Add new operation. * tracepoint.c (gdb_trampoline_buffer): New IPA variable. (gdb_trampoline_buffer_end): Ditto. (gdb_trampoline_buffer_error): Ditto. (struct ipa_sym_addresses): Add fields for new IPA variables. (symbol_list): Add entries for new IPA variables. (struct tracepoint): Add fields to hold the address range of the trampoline used by the tracepoint. (trampoline_buffer_head): New static variable. (trampoline_buffer_tail): Ditto. (claim_trampoline_space): New function. (have_fast_tracepoint_trampoline_buffer): New function. (clone_fast_tracepoint): Fill in trampoline fields of tracepoint structure. (install_fast_tracepoint): Ditto, also add error buffer argument. (cmd_qtminftpilen): New function. (handle_tracepoint_query): Add response to qTMinFTPILen packet. (fast_tracepoint_from_trampoline_address): New function. (fast_tracepoint_collecting): Handle trampoline as part of jump pad space. (set_trampoline_buffer_space): New function. (initialize_tracepoint): Initialize new IPA variables. * target.h (struct target_ops): Add arguments to install_fast_tracepoint_jump_pad operation, add new get_min_fast_tracepoint_insn_len operation. (target_get_min_fast_tracepoint_insn_len): New. (install_fast_tracepoint_jump_pad): Add arguments. * server.h (IPA_BUFSIZ): Define. * linux-i386-ipa.c: Include extra header files. (initialize_fast_tracepoint_trampoline_buffer): New function. (initialize_low_tracepoint): Call it. * server.h (set_trampoline_buffer_space): Declare. (claim_trampoline_space): Ditto. (have_fast_tracepoint_trampoline_buffer): Ditto. * gdb.trace/ftrace.c: New. * gdb.trace/ftrace.exp: New.
2011-11-14 21:07:25 +01:00
CORE_ADDR *adjusted_insn_addr_end,
char *err);
gdb/ 2010-06-14 Pedro Alves <pedro@codesourcery.com> * NEWS: Mention GDBserver's JIT compilation of tracepoint bytecode. gdb/gdbserver/ 2010-06-14 Stan Shebs <stan@codesourcery.com> Pedro Alves <pedro@codesourcery.com> Bytecode compiler. * linux-x86-low.c: Include limits.h. (add_insns): New. (always_true): New. (EMIT_ASM): New. (EMIT_ASM32): New. (amd64_emit_prologue, amd64_emit_epilogue, amd64_emit_add) (amd64_emit_sub, amd64_emit_mul, amd64_emit_lsh) (amd64_emit_rsh_signed, amd64_emit_rsh_unsigned, amd64_emit_ext, (amd64_emit_log_not, amd64_emit_bit_and, amd64_emit_bit_or) (amd64_emit_bit_xor, amd64_emit_bit_not, amd64_emit_equal, (amd64_emit_less_signed, amd64_emit_less_unsigned, amd64_emit_ref, (amd64_emit_if_goto, amd64_emit_goto, amd64_write_goto_address) (amd64_emit_const, amd64_emit_call, amd64_emit_reg) (amd64_emit_pop, amd64_emit_stack_flush, amd64_emit_zero_ext) (amd64_emit_swap, amd64_emit_stack_adjust, amd64_emit_int_call_1) (amd64_emit_void_call_2): New. (amd64_emit_ops): New. (i386_emit_prologue, i386_emit_epilogue, i386_emit_add) (i386_emit_sub,i386_emit_mul, i386_emit_lsh, i386_emit_rsh_signed) (i386_emit_rsh_unsigned, i386_emit_ext, i386_emit_log_not) (i386_emit_bit_and, i386_emit_bit_or, i386_emit_bit_xor) (i386_emit_bit_not, i386_emit_equal, i386_emit_less_signed) (i386_emit_less_unsigned, i386_emit_ref, i386_emit_if_goto) (i386_emit_goto, i386_write_goto_address, i386_emit_const) (i386_emit_call, i386_emit_reg, i386_emit_pop) (i386_emit_stack_flush, i386_emit_zero_ext, i386_emit_swap) (i386_emit_stack_adjust, i386_emit_int_call_1) (i386_emit_void_call_2): New. (i386_emit_ops): New. (x86_emit_ops): New. (the_low_target): Install x86_emit_ops. * server.h (struct emit_ops): New. (get_raw_reg_func_addr): Declare. (current_insn_ptr, emit_error): Declare. * tracepoint.c (get_raw_reg, get_trace_state_variable_value) (set_trace_state_variable_value): New defines. (struct ipa_sym_addresses): New fields addr_get_raw_reg, addr_get_trace_state_variable_value and addr_set_trace_state_variable_value. (symbol_list): New fields for get_raw_reg, get_trace_state_variable_value and set_trace_state_variable_value. (condfn): New typedef. (struct tracepoint): New field `compiled_cond'. (do_action_at_tracepoint): Clear compiled_cond. (get_trace_state_variable_value, set_trace_state_variable_value): Export in the IPA. (condition_true_at_tracepoint): If there's a compiled condition, run that. (current_insn_ptr, emit_error): New globals. (struct bytecode_address): New. (get_raw_reg_func_addr): New. (emit_prologue, emit_epilogue, emit_add, emit_sub, emit_mul) (emit_lsh, emit_rsh_signed, emit_rsh_unsigned, emit_ext) (emit_log_not, emit_bit_and, emit_bit_or, emit_bit_xor) (emit_bit_not, emit_equal, emit_less_signed, emit_less_unsigned) (emit_ref, emit_if_goto, emit_goto, write_goto_address, emit_const) (emit_reg, emit_pop, emit_stack_flush, emit_zero_ext, emit_swap) (emit_stack_adjust, emit_int_call_1, emit_void_call_2): New. (compile_tracepoint_condition, compile_bytecodes): New. * target.h (emit_ops): Forward declare. (struct target_ops): New field emit_ops. (target_emit_ops): New. * linux-amd64-ipa.c (gdb_agent_get_raw_reg): New. * linux-i386-ipa.c (gdb_agent_get_raw_reg): New. * linux-low.c (linux_emit_ops): New. (linux_target_ops): Install it. * linux-low.h (struct linux_target_ops): New field emit_ops.
2010-06-15 00:16:09 +02:00
/* Return the bytecode operations vector for the current inferior.
Returns NULL if bytecode compilation is not supported. */
struct emit_ops *(*emit_ops) (void);
2011-11-14 Stan Shebs <stan@codesourcery.com> Kwok Cheung Yeung <kcy@codesourcery.com> * NEWS: Document shorter fast tracepoints and qTMinFTPILen packet. * i386-tdep.c (i386_fast_tracepoint_valid_at): Query target for the minimum instruction size for fast tracepoints. * target.h (struct target_ops): Add new method to_get_min_fast_tracepoint_insn_len. (target_get_min_fast_tracepoint_insn_len): New. * target.c (update_current_target): Set up new target operation. * remote.c (remote_write_bytes_aux): Fix typo. (remote_get_min_fast_tracepoint_insn_len): New. (init_remote_ops): Initialize new field. * gdb.texinfo (Create and Delete Tracepoints): Describe what is needed to get shorter fast tracepoints. (Tracepoint Packets): Document new qTMinFTPILen packet. * linux-x86-low.c (small_jump_insn): New. (i386_install_fast_tracepoint_jump_pad): Add arguments for trampoline and error message, build a trampoline and issue a small jump instruction to it. (x86_install_fast_tracepoint_jump_pad): Add arguments for trampoline and error message. (x86_get_min_fast_tracepoint_insn_len): New. (the_low_target): Add call to x86_get_min_fast_tracepoint_insn_len. * linux-low.h (struct linux_target_ops): Add arguments to install_fast_tracepoint_jump_pad operation, add new operation. * linux-low.c (linux_install_fast_tracepoint_jump_pad): Add arguments. (linux_get_min_fast_tracepoint_insn_len): New function. (linux_target_op): Add new operation. * tracepoint.c (gdb_trampoline_buffer): New IPA variable. (gdb_trampoline_buffer_end): Ditto. (gdb_trampoline_buffer_error): Ditto. (struct ipa_sym_addresses): Add fields for new IPA variables. (symbol_list): Add entries for new IPA variables. (struct tracepoint): Add fields to hold the address range of the trampoline used by the tracepoint. (trampoline_buffer_head): New static variable. (trampoline_buffer_tail): Ditto. (claim_trampoline_space): New function. (have_fast_tracepoint_trampoline_buffer): New function. (clone_fast_tracepoint): Fill in trampoline fields of tracepoint structure. (install_fast_tracepoint): Ditto, also add error buffer argument. (cmd_qtminftpilen): New function. (handle_tracepoint_query): Add response to qTMinFTPILen packet. (fast_tracepoint_from_trampoline_address): New function. (fast_tracepoint_collecting): Handle trampoline as part of jump pad space. (set_trampoline_buffer_space): New function. (initialize_tracepoint): Initialize new IPA variables. * target.h (struct target_ops): Add arguments to install_fast_tracepoint_jump_pad operation, add new get_min_fast_tracepoint_insn_len operation. (target_get_min_fast_tracepoint_insn_len): New. (install_fast_tracepoint_jump_pad): Add arguments. * server.h (IPA_BUFSIZ): Define. * linux-i386-ipa.c: Include extra header files. (initialize_fast_tracepoint_trampoline_buffer): New function. (initialize_low_tracepoint): Call it. * server.h (set_trampoline_buffer_space): Declare. (claim_trampoline_space): Ditto. (have_fast_tracepoint_trampoline_buffer): Ditto. * gdb.trace/ftrace.c: New. * gdb.trace/ftrace.exp: New.
2011-11-14 21:07:25 +01:00
/* Return the minimum length of an instruction that can be safely overwritten
for use as a fast tracepoint. */
int (*get_min_fast_tracepoint_insn_len) (void);
range stepping: gdbserver (x86 GNU/Linux) This patch adds support for range stepping to GDBserver, teaching it about vCont;r. It'd be easy to enable this for all hardware single-step targets without needing the linux_target_ops hook, however, at least PPC needs special care, due to the fact that PPC atomic sequences can't be hardware single-stepped through, a thing which GDBserver doesn't know about. So this leaves the support limited to x86/x86_64. gdb/ 2013-05-23 Pedro Alves <palves@redhat.com> * NEWS: Mention GDBserver range stepping support. gdb/gdbserver/ 2013-05-23 Yao Qi <yao@codesourcery.com> Pedro Alves <palves@redhat.com> * linux-low.c (lwp_in_step_range): New function. (linux_wait_1): If the thread was range stepping and stopped outside the stepping range, report the stop to GDB. Otherwise, continue stepping. Add range stepping debug output. (linux_set_resume_request): Copy the step range from the resume request to the lwp. (linux_supports_range_stepping): New. (linux_target_ops) <supports_range_stepping>: Set to linux_supports_range_stepping. * linux-low.h (struct linux_target_ops) <supports_range_stepping>: New field. (struct lwp_info) <step_range_start, step_range_end>: New fields. * linux-x86-low.c (x86_supports_range_stepping): New. (the_low_target) <supports_range_stepping>: Set to x86_supports_range_stepping. * server.c (handle_v_cont): Handle 'r' action. (handle_v_requests): Append ";r" if the target supports range stepping. * target.h (struct thread_resume) <step_range_start, step_range_end>: New fields. (struct target_ops) <supports_range_stepping>: New field. (target_supports_range_stepping): New macro.
2013-05-23 19:17:50 +02:00
/* Returns true if the low target supports range stepping. */
int (*supports_range_stepping) (void);
2002-04-09 Daniel Jacobowitz <drow@mvista.com> * linux-low.h: Remove obsolete prototypes. (struct linux_target_ops): New. (extern the_low_target): New. * linux-low.c (num_regs, regmap): Remove declarations. (register_addr): Use the_low_target explicitly. (fetch_register): Likewise. (usr_fetch_inferior_registers): Likewise. (usr_store_inferior_registers): Likewise. * linux-arm-low.c (num_regs): Remove. (arm_num_regs): Define. (arm_regmap): Renamed from regmap, made static. (arm_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (arm_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-i386-low.c (num_regs): Remove. (i386_num_regs): Define. (i386_regmap): Renamed from regmap, made static. (i386_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (i386_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-ia64-low.c (num_regs): Remove. (ia64_num_regs): Define. (ia64_regmap): Renamed from regmap, made static. (ia64_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (ia64_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-m68k-low.c (num_regs): Remove. (m68k_num_regs): Define. (m68k_regmap): Renamed from regmap, made static. (m68k_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (m68k_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-mips-low.c (num_regs): Remove. (mips_num_regs): Define. (mips_regmap): Renamed from regmap, made static. (mips_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (mips_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-ppc-low.c (num_regs): Remove. (ppc_num_regs): Define. (ppc_regmap): Renamed from regmap, made static. (ppc_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (ppc_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-s390-low.c (num_regs): Remove. (s390_num_regs): Define. (s390_regmap): Renamed from regmap, made static. (s390_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (s390_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-sh-low.c (num_regs): Remove. (sh_num_regs): Define. (sh_regmap): Renamed from regmap, made static. (sh_cannot_fetch_register): Renamed from cannot_fetch_register, made static. (sh_cannot_store_register): Renamed from cannot_store_register, made static. (the_low_target): New. * linux-x86-64-low.c (x86_64_regmap): Renamed from regmap. (the_low_target): New.
2002-04-10 00:44:43 +02:00
};
extern struct linux_target_ops the_low_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.
2002-06-11 19:32:40 +02:00
Add h/w watchpoint support to x86-linux, win32-i386. * Makefile.in (SFILES): Add i386-low.c (i386_low_h): Define. (i386-low.o): Add dependencies. (linux-x86-low.o): Add i386-low.h dependency. (win32-i386-low.o): Ditto. * i386-low.c: New file. * i386-low.h: New file. * configure.srv (i[34567]86-*-cygwin*): Add i386-low.o to srv_tgtobj. (i[34567]86-*-linux*, i[34567]86-*-mingw*, x86_64-*-linux*): Ditto. * linux-low.c (linux_add_process): Initialize arch_private. (linux_remove_process): Free arch_private. (add_lwp): Initialize arch_private. (delete_lwp): Free arch_private. (linux_resume_one_lwp): Call the_low_target.prepare_to_resume if provided. * linux-low.h (process_info_private): New member arch_private. (lwp_info): New member arch_private. (linux_target_ops): New members new_process, new_thread, prepare_to_resume. (ptid_of): New macro. * linux-x86-low.c: Include stddef.h, i386-low.h. (arch_process_info): New struct. (arch_lwp_info): New struct. (x86_linux_dr_get, x86_linux_dr_set): New functions. (i386_dr_low_set_addr, i386_dr_low_set_control): New functions. (i386_dr_low_get_status): New function. (x86_insert_point, x86_remove_point): New functions. (x86_stopped_by_watchpoint): New function. (x86_stopped_data_address): New function. (x86_linux_new_process, x86_linux_new_thread): New functions. (x86_linux_prepare_to_resume): New function. (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address, new_process, new_thread, prepare_to_resume. * server.c (debug_hw_points): New global. (monitor_show_help): Document set debug-hw-points. (handle_query): Process "set debug-hw-points". * server.h (debug_hw_points): Declare. (paddress): Declare. * utils.c (NUMCELLS, CELLSIZE): New macros. (get_sell, xsnprintf, paddress): New functions. * win32-arm-low.c (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address. * win32-i386-low.c: Include i386-low.h. (debug_reg_state): Replaces dr. (i386_dr_low_set_addr, i386_dr_low_set_control): New functions. (i386_dr_low_get_status): New function. (i386_insert_point, i386_remove_point): New functions. (i386_stopped_by_watchpoint): New function. (i386_stopped_data_address): New function. (i386_initial_stuff): Update. (get_thread_context,set_thread_context,i386_thread_added): Update. (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address. * win32-low.c (win32_insert_watchpoint): New function. (win32_remove_watchpoint): New function. (win32_stopped_by_watchpoint): New function. (win32_stopped_data_address): New function. (win32_target_ops): Add entries for insert_watchpoint, remove_watchpoint, stopped_by_watchpoint, stopped_data_address. * win32-low.h (win32_target_ops): New members insert_point, remove_point, stopped_by_watchpoint, stopped_data_address.
2009-06-30 18:35:25 +02:00
#define ptid_of(proc) ((proc)->head.id)
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
#define pid_of(proc) ptid_get_pid ((proc)->head.id)
#define lwpid_of(proc) ptid_get_lwp ((proc)->head.id)
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
Rename "process" to "lwp" throughout. * linux-low.c (all_processes): Rename to... (all_lwps): ... this. (inferior_pid, handle_extended_wait, get_stop_pc): Adjust. (add_process): Rename to ... (add_lwp): ... this. Adjust. (linux_create_inferior): Adjust. (linux_attach_lwp): Adjust. (linux_attach): Adjust. (linux_kill_one_process): Rename to ... (linux_kill_one_lwp): ... this. Adjust. (linux_kill): Adjust. (linux_detach_one_process): Rename to ... (linux_detach_one_lwp): ... this. Adjust. (linux_detach): Adjust. (check_removed_breakpoint): Adjust. (status_pending_p): Adjust. (linux_wait_for_process): Rename to ... (linux_wait_for_lwp): ... this. Adjust. (linux_wait_for_event): Adjust. (send_sigstop): Adjust. (wait_for_sigstop): Adjust. (stop_all_processes): Rename to ... (stop_all_lwps): ... this. (linux_resume_one_process): Rename to ... (linux_resume_one_lwp): ... this. Adjust. (linux_set_resume_request, linux_continue_one_thread) (linux_queue_one_thread, resume_status_pending_p) (usr_store_inferior_registers, regsets_store_inferior_registers) (linux_request_interrupt, linux_read_offsets, linux_xfer_siginfo): Adjust. * linux-low.h (get_process): Rename to ... (get_lwp): ... this. Adjust. (get_thread_process): Rename to ... (get_thread_lwp): ... this. Adjust. (get_process_thread): Rename to ... (get_lwp_thread): ... this. Adjust. (struct process_info): Rename to ... (struct lwp_info): ... this. (all_processes): Rename to ... (all_lwps): ... this. * proc-service.c (ps_lgetregs): Adjust. * thread-db.c (thread_db_create_event, find_one_thread) (maybe_attach_thread, thread_db_get_tls_address): Adjust.
2009-03-17 21:25:35 +01:00
#define get_lwp(inf) ((struct lwp_info *)(inf))
#define get_thread_lwp(thr) (get_lwp (inferior_target_data (thr)))
#define get_lwp_thread(proc) ((struct thread_info *) \
find_inferior_id (&all_threads, \
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
get_lwp (proc)->head.id))
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
Rename "process" to "lwp" throughout. * linux-low.c (all_processes): Rename to... (all_lwps): ... this. (inferior_pid, handle_extended_wait, get_stop_pc): Adjust. (add_process): Rename to ... (add_lwp): ... this. Adjust. (linux_create_inferior): Adjust. (linux_attach_lwp): Adjust. (linux_attach): Adjust. (linux_kill_one_process): Rename to ... (linux_kill_one_lwp): ... this. Adjust. (linux_kill): Adjust. (linux_detach_one_process): Rename to ... (linux_detach_one_lwp): ... this. Adjust. (linux_detach): Adjust. (check_removed_breakpoint): Adjust. (status_pending_p): Adjust. (linux_wait_for_process): Rename to ... (linux_wait_for_lwp): ... this. Adjust. (linux_wait_for_event): Adjust. (send_sigstop): Adjust. (wait_for_sigstop): Adjust. (stop_all_processes): Rename to ... (stop_all_lwps): ... this. (linux_resume_one_process): Rename to ... (linux_resume_one_lwp): ... this. Adjust. (linux_set_resume_request, linux_continue_one_thread) (linux_queue_one_thread, resume_status_pending_p) (usr_store_inferior_registers, regsets_store_inferior_registers) (linux_request_interrupt, linux_read_offsets, linux_xfer_siginfo): Adjust. * linux-low.h (get_process): Rename to ... (get_lwp): ... this. Adjust. (get_thread_process): Rename to ... (get_thread_lwp): ... this. Adjust. (get_process_thread): Rename to ... (get_lwp_thread): ... this. Adjust. (struct process_info): Rename to ... (struct lwp_info): ... this. (all_processes): Rename to ... (all_lwps): ... this. * proc-service.c (ps_lgetregs): Adjust. * thread-db.c (thread_db_create_event, find_one_thread) (maybe_attach_thread, thread_db_get_tls_address): Adjust.
2009-03-17 21:25:35 +01:00
struct lwp_info
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
{
struct inferior_list_entry head;
/* If this flag is set, the next SIGSTOP will be ignored (the
process will be immediately resumed). This means that either we
sent the SIGSTOP to it ourselves and got some other pending event
(so the SIGSTOP is still pending), or that we stopped the
inferior implicitly via PTRACE_ATTACH and have not waited for it
yet. */
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 stop_expected;
Teach linux gdbserver to step-over-breakpoints. * linux-low.c (can_hardware_single_step): New. (supports_breakpoints): New. (handle_extended_wait): If stopping threads, read the stop pc of the new cloned LWP. (get_pc): New. (get_stop_pc): Add `lwp' parameter. Handle it. Bail out if the low target doesn't support retrieving the PC. (add_lwp): Set last_resume_kind to resume_continue. (linux_attach_lwp_1): Adjust comments. Always set stop_expected. (linux_attach): Don't clear stop_expected. Set the lwp's last_resume_kind to resume_stop. (linux_detach_one_lwp): Don't check for removed breakpoints. (check_removed_breakpoint): Delete. (status_pending_p): Rename to ... (status_pending_p_callback): ... this. Don't check for removed breakpoints. Don't consider threads that are stopped from GDB's perspective. (linux_wait_for_lwp): Always read the stop_pc here. (cancel_breakpoint): New. (step_over_bkpt): New global. (linux_wait_for_event_1): Implement stepping over breakpoints. (gdb_wants_lwp_stopped): New. (gdb_wants_all_stopped): New. (linux_wait_1): Tag threads as gdb-wants-stopped. Cancel finished single-step traps here. Store the thread's last reported target wait status. (send_sigstop): Don't clear stop_expected. Always set it, instead. (mark_lwp_dead): Remove reference to pending_is_breakpoint. (cancel_finished_single_step): New. (cancel_finished_single_steps): New. (wait_for_sigstop): Don't cancel finished single-step traps here. (linux_resume_one_lwp): Don't check for removed breakpoints. Don't set `step' on non-hardware step archs. (linux_set_resume_request): Ignore resume_stop requests if already stopping or stopped. Set the lwp's last_resume_kind. (resume_status_pending_p): Don't check for removed breakpoints. (need_step_over_p): New. (start_step_over): New. (finish_step_over): New. (linux_resume_one_thread): Always queue a sigstop for resume_stop requests. Clear the thread's last reported target waitstatus. Don't use the `suspended' flag. Don't consider pending breakpoints. (linux_resume): Start a step-over if necessary. (proceed_one_lwp): New. (proceed_all_lwps): New. (unstop_all_lwps): New. * linux-low.h (struct lwp_info): Rewrite comment for the `suspended' flag. Add the `stop_pc' field. Delete the `pending_stop_pc' field. Tweak the `stepping' flag's comment. Add `'last_resume_kind' and `need_step_over' fields. * inferiors.c (struct thread_info): Delete, moved elsewhere. * mem-break.c (struct breakpoint): Delete `reinserting' flag. Delete `breakpoint_to_reinsert' field. New flag `inserted'. (set_raw_breakpoint_at): New. (set_breakpoint_at): Rewrite to use it. (reinsert_breakpoint_handler): Delete. (set_reinsert_breakpoint): New. (reinsert_breakpoint_by_bp): Delete. (delete_reinsert_breakpoints): New. (uninsert_breakpoint): Rewrite. (uninsert_breakpoints_at): New. (reinsert_breakpoint): Rewrite. (reinsert_breakpoints_at): New. (check_breakpoints): Rewrite. (breakpoint_here): New. (breakpoint_inserted_here): New. (check_mem_read): Adjust. * mem-break.h (breakpoints_supported, breakpoint_here) (breakpoint_inserted_here, set_reinsert_breakpoint): Declare. (reinsert_breakpoint_by_bp): Delete declaration. (delete_reinsert_breakpoints): Declare. (reinsert_breakpoint): Delete declaration. (reinsert_breakpoints_at): Declare. (uninsert_breakpoint): Delete declaration. (uninsert_breakpoints_at): Declare. (check_breakpoints): Adjust prototype. * server.h: Adjust include order. (struct thread_info): Declare here. Add a `last_status' field.
2010-03-24 01:05:03 +01:00
/* When this is true, we shall not try to resume this thread, even
if last_resume_kind isn't resume_stop. */
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 suspended;
/* If this flag is set, the lwp is known to be stopped right now (stop
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
event already received in a wait()). */
int stopped;
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 this flag is set, the lwp is known to be dead already (exit
event already received in a wait(), and is cached in
status_pending). */
int dead;
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
/* When stopped is set, the last wait status recorded for this lwp. */
int last_status;
Teach linux gdbserver to step-over-breakpoints. * linux-low.c (can_hardware_single_step): New. (supports_breakpoints): New. (handle_extended_wait): If stopping threads, read the stop pc of the new cloned LWP. (get_pc): New. (get_stop_pc): Add `lwp' parameter. Handle it. Bail out if the low target doesn't support retrieving the PC. (add_lwp): Set last_resume_kind to resume_continue. (linux_attach_lwp_1): Adjust comments. Always set stop_expected. (linux_attach): Don't clear stop_expected. Set the lwp's last_resume_kind to resume_stop. (linux_detach_one_lwp): Don't check for removed breakpoints. (check_removed_breakpoint): Delete. (status_pending_p): Rename to ... (status_pending_p_callback): ... this. Don't check for removed breakpoints. Don't consider threads that are stopped from GDB's perspective. (linux_wait_for_lwp): Always read the stop_pc here. (cancel_breakpoint): New. (step_over_bkpt): New global. (linux_wait_for_event_1): Implement stepping over breakpoints. (gdb_wants_lwp_stopped): New. (gdb_wants_all_stopped): New. (linux_wait_1): Tag threads as gdb-wants-stopped. Cancel finished single-step traps here. Store the thread's last reported target wait status. (send_sigstop): Don't clear stop_expected. Always set it, instead. (mark_lwp_dead): Remove reference to pending_is_breakpoint. (cancel_finished_single_step): New. (cancel_finished_single_steps): New. (wait_for_sigstop): Don't cancel finished single-step traps here. (linux_resume_one_lwp): Don't check for removed breakpoints. Don't set `step' on non-hardware step archs. (linux_set_resume_request): Ignore resume_stop requests if already stopping or stopped. Set the lwp's last_resume_kind. (resume_status_pending_p): Don't check for removed breakpoints. (need_step_over_p): New. (start_step_over): New. (finish_step_over): New. (linux_resume_one_thread): Always queue a sigstop for resume_stop requests. Clear the thread's last reported target waitstatus. Don't use the `suspended' flag. Don't consider pending breakpoints. (linux_resume): Start a step-over if necessary. (proceed_one_lwp): New. (proceed_all_lwps): New. (unstop_all_lwps): New. * linux-low.h (struct lwp_info): Rewrite comment for the `suspended' flag. Add the `stop_pc' field. Delete the `pending_stop_pc' field. Tweak the `stepping' flag's comment. Add `'last_resume_kind' and `need_step_over' fields. * inferiors.c (struct thread_info): Delete, moved elsewhere. * mem-break.c (struct breakpoint): Delete `reinserting' flag. Delete `breakpoint_to_reinsert' field. New flag `inserted'. (set_raw_breakpoint_at): New. (set_breakpoint_at): Rewrite to use it. (reinsert_breakpoint_handler): Delete. (set_reinsert_breakpoint): New. (reinsert_breakpoint_by_bp): Delete. (delete_reinsert_breakpoints): New. (uninsert_breakpoint): Rewrite. (uninsert_breakpoints_at): New. (reinsert_breakpoint): Rewrite. (reinsert_breakpoints_at): New. (check_breakpoints): Rewrite. (breakpoint_here): New. (breakpoint_inserted_here): New. (check_mem_read): Adjust. * mem-break.h (breakpoints_supported, breakpoint_here) (breakpoint_inserted_here, set_reinsert_breakpoint): Declare. (reinsert_breakpoint_by_bp): Delete declaration. (delete_reinsert_breakpoints): Declare. (reinsert_breakpoint): Delete declaration. (reinsert_breakpoints_at): Declare. (uninsert_breakpoint): Delete declaration. (uninsert_breakpoints_at): Declare. (check_breakpoints): Adjust prototype. * server.h: Adjust include order. (struct thread_info): Declare here. Add a `last_status' field.
2010-03-24 01:05:03 +01:00
/* When stopped is set, this is where the lwp stopped, with
decr_pc_after_break already accounted for. */
CORE_ADDR stop_pc;
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 this flag is set, STATUS_PENDING is a waitstatus that has not yet
been reported. */
int status_pending_p;
int status_pending;
/* STOPPED_BY_WATCHPOINT is non-zero if this LWP stopped with a data
watchpoint trap. */
int stopped_by_watchpoint;
/* On architectures where it is possible to know the data address of
a triggered watchpoint, STOPPED_DATA_ADDRESS is non-zero, and
contains such data address. Only valid if STOPPED_BY_WATCHPOINT
is true. */
CORE_ADDR stopped_data_address;
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 this is non-zero, it is a breakpoint to be reinserted at our next
stop (SIGTRAP stops only). */
CORE_ADDR bp_reinsert;
Teach linux gdbserver to step-over-breakpoints. * linux-low.c (can_hardware_single_step): New. (supports_breakpoints): New. (handle_extended_wait): If stopping threads, read the stop pc of the new cloned LWP. (get_pc): New. (get_stop_pc): Add `lwp' parameter. Handle it. Bail out if the low target doesn't support retrieving the PC. (add_lwp): Set last_resume_kind to resume_continue. (linux_attach_lwp_1): Adjust comments. Always set stop_expected. (linux_attach): Don't clear stop_expected. Set the lwp's last_resume_kind to resume_stop. (linux_detach_one_lwp): Don't check for removed breakpoints. (check_removed_breakpoint): Delete. (status_pending_p): Rename to ... (status_pending_p_callback): ... this. Don't check for removed breakpoints. Don't consider threads that are stopped from GDB's perspective. (linux_wait_for_lwp): Always read the stop_pc here. (cancel_breakpoint): New. (step_over_bkpt): New global. (linux_wait_for_event_1): Implement stepping over breakpoints. (gdb_wants_lwp_stopped): New. (gdb_wants_all_stopped): New. (linux_wait_1): Tag threads as gdb-wants-stopped. Cancel finished single-step traps here. Store the thread's last reported target wait status. (send_sigstop): Don't clear stop_expected. Always set it, instead. (mark_lwp_dead): Remove reference to pending_is_breakpoint. (cancel_finished_single_step): New. (cancel_finished_single_steps): New. (wait_for_sigstop): Don't cancel finished single-step traps here. (linux_resume_one_lwp): Don't check for removed breakpoints. Don't set `step' on non-hardware step archs. (linux_set_resume_request): Ignore resume_stop requests if already stopping or stopped. Set the lwp's last_resume_kind. (resume_status_pending_p): Don't check for removed breakpoints. (need_step_over_p): New. (start_step_over): New. (finish_step_over): New. (linux_resume_one_thread): Always queue a sigstop for resume_stop requests. Clear the thread's last reported target waitstatus. Don't use the `suspended' flag. Don't consider pending breakpoints. (linux_resume): Start a step-over if necessary. (proceed_one_lwp): New. (proceed_all_lwps): New. (unstop_all_lwps): New. * linux-low.h (struct lwp_info): Rewrite comment for the `suspended' flag. Add the `stop_pc' field. Delete the `pending_stop_pc' field. Tweak the `stepping' flag's comment. Add `'last_resume_kind' and `need_step_over' fields. * inferiors.c (struct thread_info): Delete, moved elsewhere. * mem-break.c (struct breakpoint): Delete `reinserting' flag. Delete `breakpoint_to_reinsert' field. New flag `inserted'. (set_raw_breakpoint_at): New. (set_breakpoint_at): Rewrite to use it. (reinsert_breakpoint_handler): Delete. (set_reinsert_breakpoint): New. (reinsert_breakpoint_by_bp): Delete. (delete_reinsert_breakpoints): New. (uninsert_breakpoint): Rewrite. (uninsert_breakpoints_at): New. (reinsert_breakpoint): Rewrite. (reinsert_breakpoints_at): New. (check_breakpoints): Rewrite. (breakpoint_here): New. (breakpoint_inserted_here): New. (check_mem_read): Adjust. * mem-break.h (breakpoints_supported, breakpoint_here) (breakpoint_inserted_here, set_reinsert_breakpoint): Declare. (reinsert_breakpoint_by_bp): Delete declaration. (delete_reinsert_breakpoints): Declare. (reinsert_breakpoint): Delete declaration. (reinsert_breakpoints_at): Declare. (uninsert_breakpoint): Delete declaration. (uninsert_breakpoints_at): Declare. (check_breakpoints): Adjust prototype. * server.h: Adjust include order. (struct thread_info): Declare here. Add a `last_status' field.
2010-03-24 01:05:03 +01:00
/* If this flag is set, the last continue operation at the ptrace
level on this process was a single-step. */
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 stepping;
range stepping: gdbserver (x86 GNU/Linux) This patch adds support for range stepping to GDBserver, teaching it about vCont;r. It'd be easy to enable this for all hardware single-step targets without needing the linux_target_ops hook, however, at least PPC needs special care, due to the fact that PPC atomic sequences can't be hardware single-stepped through, a thing which GDBserver doesn't know about. So this leaves the support limited to x86/x86_64. gdb/ 2013-05-23 Pedro Alves <palves@redhat.com> * NEWS: Mention GDBserver range stepping support. gdb/gdbserver/ 2013-05-23 Yao Qi <yao@codesourcery.com> Pedro Alves <palves@redhat.com> * linux-low.c (lwp_in_step_range): New function. (linux_wait_1): If the thread was range stepping and stopped outside the stepping range, report the stop to GDB. Otherwise, continue stepping. Add range stepping debug output. (linux_set_resume_request): Copy the step range from the resume request to the lwp. (linux_supports_range_stepping): New. (linux_target_ops) <supports_range_stepping>: Set to linux_supports_range_stepping. * linux-low.h (struct linux_target_ops) <supports_range_stepping>: New field. (struct lwp_info) <step_range_start, step_range_end>: New fields. * linux-x86-low.c (x86_supports_range_stepping): New. (the_low_target) <supports_range_stepping>: Set to x86_supports_range_stepping. * server.c (handle_v_cont): Handle 'r' action. (handle_v_requests): Append ";r" if the target supports range stepping. * target.h (struct thread_resume) <step_range_start, step_range_end>: New fields. (struct target_ops) <supports_range_stepping>: New field. (target_supports_range_stepping): New macro.
2013-05-23 19:17:50 +02:00
/* Range to single step within. This is a copy of the step range
passed along the last resume request. See 'struct
thread_resume'. */
CORE_ADDR step_range_start; /* Inclusive */
CORE_ADDR step_range_end; /* Exclusive */
/* If this flag is set, we need to set the event request flags the
next time we see this LWP stop. */
int must_set_ptrace_flags;
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 this is non-zero, it points to a chain of signals which need to
be delivered to this process. */
struct pending_signals *pending_signals;
/* A link used when resuming. It is initialized from the resume request,
Rename "process" to "lwp" throughout. * linux-low.c (all_processes): Rename to... (all_lwps): ... this. (inferior_pid, handle_extended_wait, get_stop_pc): Adjust. (add_process): Rename to ... (add_lwp): ... this. Adjust. (linux_create_inferior): Adjust. (linux_attach_lwp): Adjust. (linux_attach): Adjust. (linux_kill_one_process): Rename to ... (linux_kill_one_lwp): ... this. Adjust. (linux_kill): Adjust. (linux_detach_one_process): Rename to ... (linux_detach_one_lwp): ... this. Adjust. (linux_detach): Adjust. (check_removed_breakpoint): Adjust. (status_pending_p): Adjust. (linux_wait_for_process): Rename to ... (linux_wait_for_lwp): ... this. Adjust. (linux_wait_for_event): Adjust. (send_sigstop): Adjust. (wait_for_sigstop): Adjust. (stop_all_processes): Rename to ... (stop_all_lwps): ... this. (linux_resume_one_process): Rename to ... (linux_resume_one_lwp): ... this. Adjust. (linux_set_resume_request, linux_continue_one_thread) (linux_queue_one_thread, resume_status_pending_p) (usr_store_inferior_registers, regsets_store_inferior_registers) (linux_request_interrupt, linux_read_offsets, linux_xfer_siginfo): Adjust. * linux-low.h (get_process): Rename to ... (get_lwp): ... this. Adjust. (get_thread_process): Rename to ... (get_thread_lwp): ... this. Adjust. (get_process_thread): Rename to ... (get_lwp_thread): ... this. Adjust. (struct process_info): Rename to ... (struct lwp_info): ... this. (all_processes): Rename to ... (all_lwps): ... this. * proc-service.c (ps_lgetregs): Adjust. * thread-db.c (thread_db_create_event, find_one_thread) (maybe_attach_thread, thread_db_get_tls_address): Adjust.
2009-03-17 21:25:35 +01:00
and then processed and cleared in linux_resume_one_lwp. */
struct thread_resume *resume;
gdb/gdbserver/ 2010-06-01 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> * Makefile.in (IPA_DEPFILES, extra_libraries): New. (all): Depend on $(extra_libraries). (install-only): Install the IPA. (IPA_OBJS, IPA_LIB): New. (clean): Remove the IPA lib. (IPAGENT_CFLAGS): New. (tracepoint-ipa.o, utils-ipa.o, remote-utils-ipa.o) (regcache-ipa.o, i386-linux-ipa.o, linux-i386-ipa.o) (linux-amd64-ipa.o, amd64-linux-ipa.o): New rules. * linux-amd64-ipa.c, linux-i386-ipa.c: New files. * configure.ac: Check for atomic builtins support in the compiler. (IPA_DEPFILES, extra_libraries): Define. * configure.srv (ipa_obj): Add description. (ipa_i386_linux_regobj, ipa_amd64_linux_regobj): Define. (i[34567]86-*-linux*): Set ipa_obj. (x86_64-*-linux*): Set ipa_obj. * linux-low.c (stabilizing_threads): New. (supports_fast_tracepoints): New. (linux_detach): Stabilize threads before detaching. (handle_tracepoints): Handle internal tracing breakpoints. Assert the lwp is either not stabilizing, or is moving out of a jump pad. (linux_fast_tracepoint_collecting): New. (maybe_move_out_of_jump_pad): New. (enqueue_one_deferred_signal): New. (dequeue_one_deferred_signal): New. (linux_wait_for_event_1): If moving out of a jump pad, defer pending signals to later. (linux_stabilize_threads): New. (linux_wait_1): Check if threads need moving out of jump pads, and do it if so. (stuck_in_jump_pad_callback): New. (move_out_of_jump_pad_callback): New. (lwp_running): New. (linux_resume_one_lwp): Handle moving out of jump pads. (linux_set_resume_request): Dequeue deferred signals. (need_step_over_p): Also step over fast tracepoint jumps. (start_step_over): Also uninsert fast tracepoint jumps. (finish_step_over): Also reinsert fast tracepoint jumps. (linux_install_fast_tracepoint_jump): New. (linux_target_ops): Install linux_stabilize_threads and linux_install_fast_tracepoint_jump_pad. * linux-low.h (linux_target_ops) <get_thread_area, install_fast_tracepoint_jump_pad>: New fields. (struct lwp_info) <collecting_fast_tracepoint, pending_signals_to_report, exit_jump_pad_bkpt>: New fields. (linux_get_thread_area): Declare. * linux-x86-low.c (jump_insn): New. (x86_get_thread_area): New. (append_insns): New. (push_opcode): New. (amd64_install_fast_tracepoint_jump_pad): New. (i386_install_fast_tracepoint_jump_pad): New. (x86_install_fast_tracepoint_jump_pad): New. (the_low_target): Install x86_get_thread_area and x86_install_fast_tracepoint_jump_pad. * mem-break.c (set_raw_breakpoint_at): Use read_inferior_memory. (struct fast_tracepoint_jump): New. (fast_tracepoint_jump_insn): New. (fast_tracepoint_jump_shadow): New. (find_fast_tracepoint_jump_at): New. (fast_tracepoint_jump_here): New. (delete_fast_tracepoint_jump): New. (set_fast_tracepoint_jump): New. (uninsert_fast_tracepoint_jumps_at): New. (reinsert_fast_tracepoint_jumps_at): New. (set_breakpoint_at): Use write_inferior_memory. (uninsert_raw_breakpoint): Use write_inferior_memory. (check_mem_read): Mask out fast tracepoint jumps. (check_mem_write): Mask out fast tracepoint jumps. * mem-break.h (struct fast_tracepoint_jump): Forward declare. (set_fast_tracepoint_jump): Declare. (delete_fast_tracepoint_jump) (fast_tracepoint_jump_here, uninsert_fast_tracepoint_jumps_at) (reinsert_fast_tracepoint_jumps_at): Declare. * regcache.c: Don't compile many functions when building the in-process agent library. (init_register_cache) [IN_PROCESS_AGENT]: Don't allow allocating the register buffer in the heap. (free_register_cache): If the register buffer isn't owned by the regcache, don't free it. (set_register_cache) [IN_PROCESS_AGENT]: Don't re-alocate pre-existing register caches. * remote-utils.c (convert_int_to_ascii): Constify `from' parameter type. (convert_ascii_to_int): : Constify `from' parameter type. (decode_M_packet, decode_X_packet): Replace the `to' parameter by a `to_p' pointer to pointer parameter. If TO_P is NULL, malloc the needed buffer in-place. (relocate_instruction): New. * server.c (handle_query) <qSymbols>: If the target supports tracepoints, give it a chance of looking up symbols. Report support for fast tracepoints. (handle_status): Stabilize threads. (process_serial_event): Adjust. * server.h (struct fast_tracepoint_jump): Forward declare. (struct process_info) <fast_tracepoint_jumps>: New field. (convert_ascii_to_int, convert_int_to_ascii): Adjust. (decode_X_packet, decode_M_packet): Adjust. (relocate_instruction): Declare. (in_process_agent_loaded): Declare. (tracepoint_look_up_symbols): Declare. (struct fast_tpoint_collect_status): Declare. (fast_tracepoint_collecting): Declare. (force_unlock_trace_buffer): Declare. (handle_tracepoint_bkpts): Declare. (initialize_low_tracepoint) (supply_fast_tracepoint_registers) [IN_PROCESS_AGENT]: Declare. * target.h (struct target_ops) <stabilize_threads, install_fast_tracepoint_jump_pad>: New fields. (stabilize_threads, install_fast_tracepoint_jump_pad): New. * tracepoint.c [HAVE_MALLOC_H]: Include malloc.h. [HAVE_STDINT_H]: Include stdint.h. (trace_debug_1): Rename to ... (trace_vdebug): ... this. (trace_debug): Rename to ... (trace_debug_1): ... this. Add `level' parameter. (trace_debug): New. (ATTR_USED, ATTR_NOINLINE): New. (IP_AGENT_EXPORT): New. (gdb_tp_heap_buffer, gdb_jump_pad_buffer, gdb_jump_pad_buffer_end) (collecting, gdb_collect, stop_tracing, flush_trace_buffer) (about_to_request_buffer_space, trace_buffer_is_full) (stopping_tracepoint, expr_eval_result, error_tracepoint) (tracepoints, tracing, trace_buffer_ctrl, trace_buffer_ctrl_curr) (trace_buffer_lo, trace_buffer_hi, traceframe_read_count) (traceframe_write_count, traceframes_created) (trace_state_variables) New renaming defines. (struct ipa_sym_addresses): New. (STRINGIZE_1, STRINGIZE, IPA_SYM): New. (symbol_list): New. (ipa_sym_addrs): New. (all_tracepoint_symbols_looked_up): New. (in_process_agent_loaded): New. (write_e_ipa_not_loaded): New. (maybe_write_ipa_not_loaded): New. (tracepoint_look_up_symbols): New. (debug_threads) [IN_PROCESS_AGENT]: New. (read_inferior_memory) [IN_PROCESS_AGENT]: New. (UNKNOWN_SIDE_EFFECTS): New. (stop_tracing): New. (flush_trace_buffer): New. (stop_tracing_bkpt): New. (flush_trace_buffer_bkpt): New. (read_inferior_integer): New. (read_inferior_uinteger): New. (read_inferior_data_pointer): New. (write_inferior_data_pointer): New. (write_inferior_integer): New. (write_inferior_uinteger): New. (struct collect_static_trace_data_action): Delete. (enum tracepoint_type): New. (struct tracepoint) <type>: New field `type'. <actions_str, step_actions, step_actions_str>: Only include in GDBserver. <orig_size, obj_addr_on_target, adjusted_insn_addr> <adjusted_insn_addr_end, jump_pad, jump_pad_end>: New fields. (tracepoints): Use IP_AGENT_EXPORT. (last_tracepoint): Don't include in the IPA. (stopping_tracepoint): Use IP_AGENT_EXPORT. (trace_buffer_is_full): Use IP_AGENT_EXPORT. (alloced_trace_state_variables): New. (trace_state_variables): Use IP_AGENT_EXPORT. (traceframe_t): Delete unused variable. (circular_trace_buffer): Don't include in the IPA. (trace_buffer_start): Delete. (struct trace_buffer_control): New. (trace_buffer_free): Delete. (struct ipa_trace_buffer_control): New. (GDBSERVER_FLUSH_COUNT_MASK, GDBSERVER_FLUSH_COUNT_MASK_PREV) (GDBSERVER_FLUSH_COUNT_MASK_CURR, GDBSERVER_UPDATED_FLUSH_COUNT_BIT): New. (trace_buffer_ctrl): New. (TRACE_BUFFER_CTRL_CURR): New. (trace_buffer_start, trace_buffer_free, trace_buffer_end_free): Reimplement as macros. (trace_buffer_wrap): Delete. (traceframe_write_count, traceframe_read_count) (traceframes_created, tracing): Use IP_AGENT_EXPORT. (struct tracepoint_hit_ctx) <type>: New field. (struct fast_tracepoint_ctx): New. (memory_barrier): New. (cmpxchg): New. (record_tracepoint_error): Update atomically in the IPA. (clear_inferior_trace_buffer): New. (about_to_request_buffer_space): New. (trace_buffer_alloc): Handle GDBserver and inferior simulatenous updating the same buffer. (add_tracepoint): Default the tracepoint's type to trap tracepoint, and orig_size to -1. (get_trace_state_variable) [IN_PROCESS_AGENT]: Handle allocated internal variables. (create_trace_state_variable): New parameter `gdb'. Handle it. (clear_installed_tracepoints): Clear fast tracepoint jumps. (cmd_qtdp): Handle fast tracepoints. (cmd_qtdv): Adjust. (max_jump_pad_size): New. (gdb_jump_pad_head): New. (get_jump_space_head): New. (claim_jump_space): New. (sort_tracepoints): New. (MAX_JUMP_SIZE): New. (cmd_qtstart): Handle fast tracepoints. Sync tracepoints with the IPA. (stop_tracing) [IN_PROCESS_AGENT]: Don't include the tdisconnected support. Upload fast traceframes, and delete internal IPA breakpoints. (stop_tracing_handler): New. (flush_trace_buffer_handler): New. (cmd_qtstop): Upload fast tracepoints. (response_tracepoint): Handle fast tracepoints. (tracepoint_finished_step): Upload fast traceframes. Set the tracepoint hit context's tracepoint type. (handle_tracepoint_bkpts): New. (tracepoint_was_hit): Set the tracepoint hit context's tracepoint type. Add comment about fast tracepoints. (collect_data_at_tracepoint) [IN_PROCESS_AGENT]: Don't access the non-existing action_str field. (get_context_regcache): Handle fast tracepoints. (do_action_at_tracepoint) [!IN_PROCESS_AGENT]: Don't write the PC to the regcache. (fast_tracepoint_from_jump_pad_address): New. (fast_tracepoint_from_ipa_tpoint_address): New. (collecting_t): New. (force_unlock_trace_buffer): New. (fast_tracepoint_collecting): New. (collecting): New. (gdb_collect): New. (write_inferior_data_ptr): New. (target_tp_heap): New. (target_malloc): New. (download_agent_expr): New. (UALIGN): New. (download_tracepoints): New. (download_trace_state_variables): New. (upload_fast_traceframes): New. (IPA_FIRST_TRACEFRAME): New. (IPA_NEXT_TRACEFRAME_1): New. (IPA_NEXT_TRACEFRAME): New. [IN_PROCESS_AGENT]: Include sys/mman.h and fcntl.h. [IN_PROCESS_AGENT] (gdb_tp_heap_buffer, gdb_jump_pad_buffer) (gdb_jump_pad_buffer_end): New. [IN_PROCESS_AGENT] (initialize_tracepoint_ftlib): New. (initialize_tracepoint): Adjust. [IN_PROCESS_AGENT]: Allocate the IPA heap, and jump pad scratch buffer. Initialize the low module. * utils.c (PREFIX, TOOLNAME): New. (malloc_failure): Use PREFIX. (error): In the IPA, an error causes an exit. (fatal, warning): Use PREFIX. (internal_error): Use TOOLNAME. (NUMCELLS): Increase to 10. * configure, config.in: Regenerate. gdb/ 2010-06-01 Pedro Alves <pedro@codesourcery.com> * NEWS: Mention gdbserver fast tracepoints support. gdb/doc/ 2010-06-01 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Set Tracepoints): Mention tracepoints support in gdbserver, and add cross reference. (Tracepoints support in gdbserver): New subsection.
2010-06-01 15:20:52 +02:00
/* True if it is known that this lwp is presently collecting a fast
tracepoint (it is in the jump pad or in some code that will
return to the jump pad. Normally, we won't care about this, but
we will if a signal arrives to this lwp while it is
collecting. */
int collecting_fast_tracepoint;
/* If this is non-zero, it points to a chain of signals which need
to be reported to GDB. These were deferred because the thread
was doing a fast tracepoint collect when they arrived. */
struct pending_signals *pending_signals_to_report;
/* When collecting_fast_tracepoint is first found to be 1, we insert
a exit-jump-pad-quickly breakpoint. This is it. */
struct breakpoint *exit_jump_pad_bkpt;
Teach linux gdbserver to step-over-breakpoints. * linux-low.c (can_hardware_single_step): New. (supports_breakpoints): New. (handle_extended_wait): If stopping threads, read the stop pc of the new cloned LWP. (get_pc): New. (get_stop_pc): Add `lwp' parameter. Handle it. Bail out if the low target doesn't support retrieving the PC. (add_lwp): Set last_resume_kind to resume_continue. (linux_attach_lwp_1): Adjust comments. Always set stop_expected. (linux_attach): Don't clear stop_expected. Set the lwp's last_resume_kind to resume_stop. (linux_detach_one_lwp): Don't check for removed breakpoints. (check_removed_breakpoint): Delete. (status_pending_p): Rename to ... (status_pending_p_callback): ... this. Don't check for removed breakpoints. Don't consider threads that are stopped from GDB's perspective. (linux_wait_for_lwp): Always read the stop_pc here. (cancel_breakpoint): New. (step_over_bkpt): New global. (linux_wait_for_event_1): Implement stepping over breakpoints. (gdb_wants_lwp_stopped): New. (gdb_wants_all_stopped): New. (linux_wait_1): Tag threads as gdb-wants-stopped. Cancel finished single-step traps here. Store the thread's last reported target wait status. (send_sigstop): Don't clear stop_expected. Always set it, instead. (mark_lwp_dead): Remove reference to pending_is_breakpoint. (cancel_finished_single_step): New. (cancel_finished_single_steps): New. (wait_for_sigstop): Don't cancel finished single-step traps here. (linux_resume_one_lwp): Don't check for removed breakpoints. Don't set `step' on non-hardware step archs. (linux_set_resume_request): Ignore resume_stop requests if already stopping or stopped. Set the lwp's last_resume_kind. (resume_status_pending_p): Don't check for removed breakpoints. (need_step_over_p): New. (start_step_over): New. (finish_step_over): New. (linux_resume_one_thread): Always queue a sigstop for resume_stop requests. Clear the thread's last reported target waitstatus. Don't use the `suspended' flag. Don't consider pending breakpoints. (linux_resume): Start a step-over if necessary. (proceed_one_lwp): New. (proceed_all_lwps): New. (unstop_all_lwps): New. * linux-low.h (struct lwp_info): Rewrite comment for the `suspended' flag. Add the `stop_pc' field. Delete the `pending_stop_pc' field. Tweak the `stepping' flag's comment. Add `'last_resume_kind' and `need_step_over' fields. * inferiors.c (struct thread_info): Delete, moved elsewhere. * mem-break.c (struct breakpoint): Delete `reinserting' flag. Delete `breakpoint_to_reinsert' field. New flag `inserted'. (set_raw_breakpoint_at): New. (set_breakpoint_at): Rewrite to use it. (reinsert_breakpoint_handler): Delete. (set_reinsert_breakpoint): New. (reinsert_breakpoint_by_bp): Delete. (delete_reinsert_breakpoints): New. (uninsert_breakpoint): Rewrite. (uninsert_breakpoints_at): New. (reinsert_breakpoint): Rewrite. (reinsert_breakpoints_at): New. (check_breakpoints): Rewrite. (breakpoint_here): New. (breakpoint_inserted_here): New. (check_mem_read): Adjust. * mem-break.h (breakpoints_supported, breakpoint_here) (breakpoint_inserted_here, set_reinsert_breakpoint): Declare. (reinsert_breakpoint_by_bp): Delete declaration. (delete_reinsert_breakpoints): Declare. (reinsert_breakpoint): Delete declaration. (reinsert_breakpoints_at): Declare. (uninsert_breakpoint): Delete declaration. (uninsert_breakpoints_at): Declare. (check_breakpoints): Adjust prototype. * server.h: Adjust include order. (struct thread_info): Declare here. Add a `last_status' field.
2010-03-24 01:05:03 +01:00
/* True if the LWP was seen stop at an internal breakpoint and needs
stepping over later when it is resumed. */
int need_step_over;
Fix remaining GDBserver issues with !HAVE_THREAD_DB_H. The previous patches are still not sufficient to build gdbserver with our copy of thread_db.h. ../../../src/gdb/gdbserver/thread-db.c: In function ‘find_one_thread’: ../../../src/gdb/gdbserver/thread-db.c:316:6: error: ‘struct lwp_info’ has no member named ‘th’ ../../../src/gdb/gdbserver/thread-db.c: In function ‘attach_thread’: ../../../src/gdb/gdbserver/thread-db.c:341:6: error: ‘struct lwp_info’ has no member named ‘th’ ../../../src/gdb/gdbserver/thread-db.c: In function ‘thread_db_get_tls_address’: ../../../src/gdb/gdbserver/thread-db.c:514:47: error: ‘struct lwp_info’ has no member named ‘th’ make: *** [thread-db.o] Error 1 First, linux-low.h is including <thread_db.h> directly instead of our gdb_thread_db.h, although thread-db.c includes the latter. Then the 'th' field of struct lwp_info is only defined if HAVE_THREAD_DB_H is defined, which is not true if we're using our replacement copy of thread_db.h. We have a USE_THREAD_DB symbol defined if we're building thread-db.c that's ideal for this, however, it's currently only defined when compiling linux-low.c (through a Makefile rule). The patch makes it defined when compiling any file. gdb/gdbserver/ 2013-04-16 Pedro Alves <palves@redhat.com> * Makefile.in (INTERNAL_CFLAGS): Add @USE_THREAD_DB@. (linux-low.o): Delete rule. * linux-low.h: Always include "gdb_thread_db.h" instead of conditionally including thread_db.h. (struct lwp_info) <th>: Guard with #ifdef USE_THREAD_DB instead of HAVE_THREAD_DB_H.
2013-04-16 20:20:40 +02:00
#ifdef USE_THREAD_DB
int thread_known;
* inferiors.c (change_inferior_id): Delete. (add_pid_to_list, pull_pid_from_list): New. * linux-low.c (PTRACE_SETOPTIONS, PTRACE_GETEVENTMSG) (PTRACE_O_TRACESYSGOOD, PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK) (PTRACE_O_TRACECLONE, PTRACE_O_TRACEEXEC, PTRACE_O_TRACEVFORKDONE) (PTRACE_O_TRACEEXIT, PTRACE_EVENT_FORK, PTRACE_EVENT_VFORK) (PTRACE_EVENT_CLONE, PTRACE_EVENT_EXEC, PTRACE_EVENT_VFORK_DONE) (PTRACE_EVENT_EXIT, __WALL): Provide default definitions. (stopped_pids, thread_db_active, must_set_ptrace_flags): New variables. (using_threads): Always set to 1. (handle_extended_wait): New. (add_process): Do not set TID. (linux_create_inferior): Set must_set_ptrace_flags. (linux_attach_lwp): Remove TID argument. Do not check using_threads. Use PTRACE_SETOPTIONS. Call new_thread_notify. Update all callers. (linux_thread_alive): Rename TID argument to LWPID. (linux_wait_for_process): Handle unknown processes. Do not use TID. (linux_wait_for_event): Do not use TID or check using_threads. Update call to dead_thread_notify. Call handle_extended_wait. (linux_create_inferior): Use PTRACE_SETOPTIONS. (send_sigstop): Delete sigstop_sent. (wait_for_sigstop): Avoid TID. (linux_supports_tracefork_flag, linux_tracefork_child, my_waitpid) (linux_test_for_tracefork): New. (linux_lookup_signals): Use thread_db_active and linux_supports_tracefork_flag. (initialize_low): Use thread_db_active and linux_test_for_tracefork. * linux-low.h (get_process_thread): Avoid TID. (struct process_ifo): Move thread_known and tid to the end. Remove sigstop_sent. (linux_attach_lwp, thread_db_init): Update prototypes. * server.h (change_inferior_id): Delete prototype. (add_pid_to_list, pull_pid_from_list): New prototypes. * thread-db.c (thread_db_use_events): New. (find_first_thread): Rename to... (find_one_thread): ...this. Update callers and messages. Do not call fatal. Check thread_db_use_events. Do not call change_inferior_id or new_thread_notify. (maybe_attach_thread): Update. Do not call new_thread_notify. (thread_db_init): Set thread_db_use_events. Check use_events. * utils.c (fatal, warning): Correct message prefix.
2007-10-23 22:05:03 +02:00
/* The thread handle, used for e.g. TLS access. Only valid if
THREAD_KNOWN is set. */
td_thrhandle_t th;
#endif
Add h/w watchpoint support to x86-linux, win32-i386. * Makefile.in (SFILES): Add i386-low.c (i386_low_h): Define. (i386-low.o): Add dependencies. (linux-x86-low.o): Add i386-low.h dependency. (win32-i386-low.o): Ditto. * i386-low.c: New file. * i386-low.h: New file. * configure.srv (i[34567]86-*-cygwin*): Add i386-low.o to srv_tgtobj. (i[34567]86-*-linux*, i[34567]86-*-mingw*, x86_64-*-linux*): Ditto. * linux-low.c (linux_add_process): Initialize arch_private. (linux_remove_process): Free arch_private. (add_lwp): Initialize arch_private. (delete_lwp): Free arch_private. (linux_resume_one_lwp): Call the_low_target.prepare_to_resume if provided. * linux-low.h (process_info_private): New member arch_private. (lwp_info): New member arch_private. (linux_target_ops): New members new_process, new_thread, prepare_to_resume. (ptid_of): New macro. * linux-x86-low.c: Include stddef.h, i386-low.h. (arch_process_info): New struct. (arch_lwp_info): New struct. (x86_linux_dr_get, x86_linux_dr_set): New functions. (i386_dr_low_set_addr, i386_dr_low_set_control): New functions. (i386_dr_low_get_status): New function. (x86_insert_point, x86_remove_point): New functions. (x86_stopped_by_watchpoint): New function. (x86_stopped_data_address): New function. (x86_linux_new_process, x86_linux_new_thread): New functions. (x86_linux_prepare_to_resume): New function. (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address, new_process, new_thread, prepare_to_resume. * server.c (debug_hw_points): New global. (monitor_show_help): Document set debug-hw-points. (handle_query): Process "set debug-hw-points". * server.h (debug_hw_points): Declare. (paddress): Declare. * utils.c (NUMCELLS, CELLSIZE): New macros. (get_sell, xsnprintf, paddress): New functions. * win32-arm-low.c (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address. * win32-i386-low.c: Include i386-low.h. (debug_reg_state): Replaces dr. (i386_dr_low_set_addr, i386_dr_low_set_control): New functions. (i386_dr_low_get_status): New function. (i386_insert_point, i386_remove_point): New functions. (i386_stopped_by_watchpoint): New function. (i386_stopped_data_address): New function. (i386_initial_stuff): Update. (get_thread_context,set_thread_context,i386_thread_added): Update. (the_low_target): Add entries for insert_point, remove_point, stopped_by_watchpoint, stopped_data_address. * win32-low.c (win32_insert_watchpoint): New function. (win32_remove_watchpoint): New function. (win32_stopped_by_watchpoint): New function. (win32_stopped_data_address): New function. (win32_target_ops): Add entries for insert_watchpoint, remove_watchpoint, stopped_by_watchpoint, stopped_data_address. * win32-low.h (win32_target_ops): New members insert_point, remove_point, stopped_by_watchpoint, stopped_data_address.
2009-06-30 18:35:25 +02:00
/* Arch-specific additions. */
struct arch_lwp_info *arch_private;
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
};
Rename "process" to "lwp" throughout. * linux-low.c (all_processes): Rename to... (all_lwps): ... this. (inferior_pid, handle_extended_wait, get_stop_pc): Adjust. (add_process): Rename to ... (add_lwp): ... this. Adjust. (linux_create_inferior): Adjust. (linux_attach_lwp): Adjust. (linux_attach): Adjust. (linux_kill_one_process): Rename to ... (linux_kill_one_lwp): ... this. Adjust. (linux_kill): Adjust. (linux_detach_one_process): Rename to ... (linux_detach_one_lwp): ... this. Adjust. (linux_detach): Adjust. (check_removed_breakpoint): Adjust. (status_pending_p): Adjust. (linux_wait_for_process): Rename to ... (linux_wait_for_lwp): ... this. Adjust. (linux_wait_for_event): Adjust. (send_sigstop): Adjust. (wait_for_sigstop): Adjust. (stop_all_processes): Rename to ... (stop_all_lwps): ... this. (linux_resume_one_process): Rename to ... (linux_resume_one_lwp): ... this. Adjust. (linux_set_resume_request, linux_continue_one_thread) (linux_queue_one_thread, resume_status_pending_p) (usr_store_inferior_registers, regsets_store_inferior_registers) (linux_request_interrupt, linux_read_offsets, linux_xfer_siginfo): Adjust. * linux-low.h (get_process): Rename to ... (get_lwp): ... this. Adjust. (get_thread_process): Rename to ... (get_thread_lwp): ... this. Adjust. (get_process_thread): Rename to ... (get_lwp_thread): ... this. Adjust. (struct process_info): Rename to ... (struct lwp_info): ... this. (all_processes): Rename to ... (all_lwps): ... this. * proc-service.c (ps_lgetregs): Adjust. * thread-db.c (thread_db_create_event, find_one_thread) (maybe_attach_thread, thread_db_get_tls_address): Adjust.
2009-03-17 21:25:35 +01:00
extern struct inferior_list all_lwps;
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 linux_pid_exe_is_elf_64_file (int pid, unsigned int *machine);
* inferiors.c (change_inferior_id): Delete. (add_pid_to_list, pull_pid_from_list): New. * linux-low.c (PTRACE_SETOPTIONS, PTRACE_GETEVENTMSG) (PTRACE_O_TRACESYSGOOD, PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK) (PTRACE_O_TRACECLONE, PTRACE_O_TRACEEXEC, PTRACE_O_TRACEVFORKDONE) (PTRACE_O_TRACEEXIT, PTRACE_EVENT_FORK, PTRACE_EVENT_VFORK) (PTRACE_EVENT_CLONE, PTRACE_EVENT_EXEC, PTRACE_EVENT_VFORK_DONE) (PTRACE_EVENT_EXIT, __WALL): Provide default definitions. (stopped_pids, thread_db_active, must_set_ptrace_flags): New variables. (using_threads): Always set to 1. (handle_extended_wait): New. (add_process): Do not set TID. (linux_create_inferior): Set must_set_ptrace_flags. (linux_attach_lwp): Remove TID argument. Do not check using_threads. Use PTRACE_SETOPTIONS. Call new_thread_notify. Update all callers. (linux_thread_alive): Rename TID argument to LWPID. (linux_wait_for_process): Handle unknown processes. Do not use TID. (linux_wait_for_event): Do not use TID or check using_threads. Update call to dead_thread_notify. Call handle_extended_wait. (linux_create_inferior): Use PTRACE_SETOPTIONS. (send_sigstop): Delete sigstop_sent. (wait_for_sigstop): Avoid TID. (linux_supports_tracefork_flag, linux_tracefork_child, my_waitpid) (linux_test_for_tracefork): New. (linux_lookup_signals): Use thread_db_active and linux_supports_tracefork_flag. (initialize_low): Use thread_db_active and linux_test_for_tracefork. * linux-low.h (get_process_thread): Avoid TID. (struct process_ifo): Move thread_known and tid to the end. Remove sigstop_sent. (linux_attach_lwp, thread_db_init): Update prototypes. * server.h (change_inferior_id): Delete prototype. (add_pid_to_list, pull_pid_from_list): New prototypes. * thread-db.c (thread_db_use_events): New. (find_first_thread): Rename to... (find_one_thread): ...this. Update callers and messages. Do not call fatal. Check thread_db_use_events. Do not call change_inferior_id or new_thread_notify. (maybe_attach_thread): Update. Do not call new_thread_notify. (thread_db_init): Set thread_db_use_events. Check use_events. * utils.c (fatal, warning): Correct message prefix.
2007-10-23 22:05:03 +02:00
void linux_attach_lwp (unsigned long pid);
struct lwp_info *find_lwp_pid (ptid_t ptid);
void linux_stop_lwp (struct lwp_info *lwp);
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
[GDBserver] Multi-process + multi-arch This patch makes GDBserver support multi-process + biarch. Currently, if you're debugging more than one process at once with a single gdbserver (in extended-remote mode), then all processes must have the same architecture (e.g., 64-bit vs 32-bit). Otherwise, you see this: Added inferior 2 [Switching to inferior 2 [<null>] (<noexec>)] Reading symbols from /home/pedro/gdb/tests/main32...done. Temporary breakpoint 2 at 0x4004cf: main. (2 locations) Starting program: /home/pedro/gdb/tests/main32 warning: Selected architecture i386 is not compatible with reported target architecture i386:x86-64 warning: Architecture rejected target-supplied description Remote 'g' packet reply is too long: 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000090cfffff0000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000b042f7460000000000020000230000002b0000002b0000002b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f03000000000000ffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000801f00003b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 ... etc, etc ... Even though the process was running a 32-bit program, GDBserver sent back to GDB a register set in 64-bit layout. A patch (http://sourceware.org/ml/gdb-patches/2012-11/msg00228.html) a while ago made GDB track a target_gdbarch per inferior, and as consequence, fetch a target description per-inferior. This patch is the GDBserver counterpart, that makes GDBserver keep track of each process'es XML target description and register layout. So in the example above, GDBserver will send the correct register set in 32-bit layout to GDB. A new "struct target_desc" object (tdesc for short) is added, that holds the target description and register layout information about each process. Each `struct process_info' holds a pointer to a target description. The regcache also gains a pointer to a target description, mainly for convenience, and parallel with GDB (and possible future support for programs that flip processor modes). The low target's arch_setup routines are responsible for setting the process'es correct tdesc. This isn't that much different to how things were done before, except that instead of detecting the inferior process'es architecture and calling the corresponding init_registers_FOO routine, which would change the regcache layout globals and recreate the threads' regcaches, the regcache.c globals are gone, and the init_registers_$BAR routines now each initialize a separate global struct target_desc object (one for each arch variant GDBserver supports), and so all the init_registers_$BAR routines that are built into GDBserver are called early at GDBserver startup time (similarly to how GDB handles its built-in target descriptions), and then the arch_setup routine is responsible for making process_info->tdesc point to one of these target description globals. The regcache module is all parameterized to get the regcache's layout from the tdesc object instead of the old register_bytes, etc. globals. The threads' regcaches are now created lazily. The old scheme where we created each of them when we added a new thread doesn't work anymore, because we add the main thread/lwp before we see it stop for the first time, and it is only when we see the thread stop for the first time that we have a chance of determining the inferior's architecture (through the_low_target.arch_setup). Therefore when we add the main thread we don't know which architecture/tdesc its regcache should have. This patch makes the gdb.multi/multi-arch.exp test now pass against (extended-remote) GDBserver. It currently fails, without this patch. The IPA also uses the regcache, so it gains a new global struct target_desc pointer, which points at the description of the process it is loaded in. Re. the linux-low.c & friends changes. Since the register map etc. may differ between processes (64-bit vs 32-bit) etc., the linux_target_ops num_regs, regmap and regset_bitmap data fields are no longer sufficient. A new method is added in their place that returns a pointer to a new struct that includes all info linux-low.c needs to access registers of the current inferior. The patch/discussion that originally introduced linux-low.c:disabled_regsets mentions that the disabled_regsets set may be different per mode (in a biarch setup), and indeed that is cleared whenever we start a new (first) inferior, so that global is moved as well behind the new `struct regs_info'. On the x86 side: I simply replaced the i387-fp.c:num_xmm_registers global with a check for 64-bit or 32-bit process, which is equivalent to how the global was set. This avoided coming up with some more general mechanism that would work for all targets that use this module (GNU/Linux, Windows, etc.). Tested: GNU/Linux IA64 GNU/Linux MIPS64 GNU/Linux PowerPC (Fedora 16) GNU/Linux s390x (Fedora 16) GNU/Linux sparc64 (Debian) GNU/Linux x86_64, -m64 and -m32 (Fedora 17) Cross built, and smoke tested: i686-w64-mingw32, under Wine. GNU/Linux TI C6x, by Yao Qi. Cross built but otherwise not tested: aarch64-linux-gnu arm-linux-gnu m68k-linux nios2-linux-gnu sh-linux-gnu spu tilegx-unknown-linux-gnu Completely untested: GNU/Linux Blackfin GNU/Linux CRIS GNU/Linux CRISv32 GNU/Linux TI Xtensa GNU/Linux M32R LynxOS QNX NTO gdb/gdbserver/ 2013-06-07 Pedro Alves <palves@redhat.com> * Makefile.in (OBS): Add tdesc.o. (IPA_OBJS): Add tdesc-ipa.o. (tdesc-ipa.o): New rule. * ax.c (gdb_eval_agent_expr): Adjust register_size call to new interface. * linux-low.c (new_inferior): Delete. (disabled_regsets, num_regsets): Delete. (linux_add_process): Adjust to set the new per-process new_inferior flag. (linux_detach_one_lwp): Adjust to call regcache_invalidate_thread. (linux_wait_for_lwp): Adjust. Only call arch_setup if the event was a stop. When calling arch_setup, switch the current inferior to the thread that got an event. (linux_resume_one_lwp): Adjust to call regcache_invalidate_thread. (regsets_fetch_inferior_registers) (regsets_store_inferior_registers): New regsets_info parameter. Adjust to use it. (linux_register_in_regsets): New regs_info parameter. Adjust to use it. (register_addr, fetch_register, store_register): New usrregs_info parameter. Adjust to use it. (usr_fetch_inferior_registers, usr_store_inferior_registers): New parameter regs_info. Adjust to use it. (linux_fetch_registers): Get the current inferior's regs_info, and adjust to use it. (linux_store_registers): Ditto. [HAVE_LINUX_REGSETS] (initialize_regsets_info): New. (initialize_low): Don't initialize the target_regsets here. Call initialize_low_arch. * linux-low.h (target_regsets): Delete declaration. (struct regsets_info): New. (struct usrregs_info): New. (struct regs_info): New. (struct process_info_private) <new_inferior>: New field. (struct linux_target_ops): Delete the num_regs, regmap, and regset_bitmap fields. New field regs_info. [HAVE_LINUX_REGSETS] (initialize_regsets_info): Declare. * i387-fp.c (num_xmm_registers): Delete. (i387_cache_to_fsave, i387_fsave_to_cache): Adjust find_regno calls to new interface. (i387_cache_to_fxsave, i387_cache_to_xsave, i387_fxsave_to_cache) (i387_xsave_to_cache): Adjust find_regno calls to new interface. Infer the number of xmm registers from the regcache's target description. * i387-fp.h (num_xmm_registers): Delete. * inferiors.c (add_thread): Don't install the thread's regcache here. * proc-service.c (gregset_info): Fetch the current inferior's regs_info. Adjust to use it. * regcache.c: Include tdesc.h. (register_bytes, reg_defs, num_registers) (gdbserver_expedite_regs): Delete. (get_thread_regcache): If the thread doesn't have a regcache yet, create one, instead of aborting gdbserver. (regcache_invalidate_one): Rename to ... (regcache_invalidate_thread): ... this. (regcache_invalidate_one): New. (regcache_invalidate): Only invalidate registers of the current process. (init_register_cache): Add target_desc parameter, and use it. (new_register_cache): Ditto. Assert the target description has a non zero registers_size. (regcache_cpy): Add assertions. Adjust. (realloc_register_cache, set_register_cache): Delete. (registers_to_string, registers_from_string): Adjust. (find_register_by_name, find_regno, find_register_by_number) (register_cache_size): Add target_desc parameter, and use it. (free_register_cache_thread, free_register_cache_thread_one) (regcache_release, register_cache_size): New. (register_size): Add target_desc parameter, and use it. (register_data, supply_register, supply_register_zeroed) (supply_regblock, supply_register_by_name, collect_register) (collect_register_as_string, collect_register_by_name): Adjust. * regcache.h (struct target_desc): Forward declare. (struct regcache) <tdesc>: New field. (init_register_cache, new_register_cache): Add target_desc parameter. (regcache_invalidate_thread): Declare. (regcache_invalidate_one): Delete declaration. (regcache_release): Declare. (find_register_by_number, register_cache_size, register_size) (find_regno): Add target_desc parameter. (gdbserver_expedite_regs, gdbserver_xmltarget): Delete declarations. * remote-utils.c: Include tdesc.h. (outreg, prepare_resume_reply): Adjust. * server.c: Include tdesc.h. (gdbserver_xmltarget): Delete declaration. (get_features_xml, process_serial_event): Adjust. * server.h [IN_PROCESS_AGENT] (struct target_desc): Forward declare. (struct process_info) <tdesc>: New field. (ipa_tdesc): Declare. * tdesc.c: New file. * tdesc.h: New file. * tracepoint.c: Include tdesc.h. [IN_PROCESS_AGENT] (ipa_tdesc): Define. (get_context_regcache): Adjust to pass ipa_tdesc down. (do_action_at_tracepoint): Adjust to get the register cache size from the context regcache's description. (traceframe_walk_blocks): Adjust to get the register cache size from the current trace frame's description. (traceframe_get_pc): Adjust to get current trace frame's description and pass it down. (gdb_collect): Adjust to get the register cache size from the IPA's description. * linux-amd64-ipa.c (tdesc_amd64_linux): Declare. (gdbserver_xmltarget): Delete. (initialize_low_tracepoint): Set the ipa's target description. * linux-i386-ipa.c (tdesc_i386_linux): Declare. (initialize_low_tracepoint): Set the ipa's target description. * linux-x86-low.c: Include tdesc.h. [__x86_64__] (is_64bit_tdesc): New. (ps_get_thread_area, x86_get_thread_area): Use it. (i386_cannot_store_register): Rename to ... (x86_cannot_store_register): ... this. Use is_64bit_tdesc. (i386_cannot_fetch_register): Rename to ... (x86_cannot_fetch_register): ... this. Use is_64bit_tdesc. (x86_fill_gregset, x86_store_gregset): Adjust register_size calls to new interface. (target_regsets): Rename to ... (x86_regsets): ... this. (x86_get_pc, x86_set_pc): Adjust register_size calls to new interface. (x86_siginfo_fixup): Use is_64bit_tdesc. [__x86_64__] (tdesc_amd64_linux, tdesc_amd64_avx_linux) (tdesc_x32_avx_linux, tdesc_x32_linux) (tdesc_i386_linux, tdesc_i386_mmx_linux, tdesc_i386_avx_linux): Declare. (x86_linux_update_xmltarget): Delete. (I386_LINUX_XSAVE_XCR0_OFFSET): Define. (have_ptrace_getfpxregs, have_ptrace_getregset): New. (AMD64_LINUX_USER64_CS): New. (x86_linux_read_description): New, based on x86_linux_update_xmltarget. (same_process_callback): New. (x86_arch_setup_process_callback): New. (x86_linux_update_xmltarget): New. (x86_regsets_info): New. (amd64_linux_regs_info): New. (i386_linux_usrregs_info): New. (i386_linux_regs_info): New. (x86_linux_regs_info): New. (x86_arch_setup): Reimplement. (x86_install_fast_tracepoint_jump_pad): Use is_64bit_tdesc. (x86_emit_ops): Ditto. (the_low_target): Adjust. Install x86_linux_regs_info, x86_cannot_fetch_register, and x86_cannot_store_register. (initialize_low_arch): New. * linux-ia64-low.c (tdesc_ia64): Declare. (ia64_fetch_register): Adjust. (ia64_usrregs_info, regs_info): New globals. (ia64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sparc-low.c (tdesc_sparc64): Declare. (sparc_fill_gregset_to_stack, sparc_store_gregset_from_stack): Adjust. (sparc_arch_setup): New function. (sparc_regsets_info, sparc_usrregs_info, regs_info): New globals. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-ppc-low.c (tdesc_powerpc_32l, tdesc_powerpc_altivec32l) (tdesc_powerpc_cell32l, tdesc_powerpc_vsx32l) (tdesc_powerpc_isa205_32l, tdesc_powerpc_isa205_altivec32l) (tdesc_powerpc_isa205_vsx32l, tdesc_powerpc_e500l) (tdesc_powerpc_64l, tdesc_powerpc_altivec64l) (tdesc_powerpc_cell64l, tdesc_powerpc_vsx64l) (tdesc_powerpc_isa205_64l, tdesc_powerpc_isa205_altivec64l) (tdesc_powerpc_isa205_vsx64l): Declare. (ppc_cannot_store_register, ppc_collect_ptrace_register) (ppc_supply_ptrace_register, parse_spufs_run, ppc_get_pc) (ppc_set_pc, ppc_get_hwcap): Adjust. (ppc_usrregs_info): Forward declare. (!__powerpc64__) ppc_regmap_adjusted: New global. (ppc_arch_setup): Adjust to the current process'es target description. (ppc_fill_vsxregset, ppc_store_vsxregset, ppc_fill_vrregset) (ppc_store_vrregset, ppc_fill_evrregset, ppc_store_evrregse) (ppc_store_evrregset): Adjust. (target_regsets): Rename to ... (ppc_regsets): ... this, and make static. (ppc_usrregs_info, ppc_regsets_info, regs_info): New globals. (ppc_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-s390-low.c (tdesc_s390_linux32, tdesc_s390_linux32v1) (tdesc_s390_linux32v2, tdesc_s390_linux64, tdesc_s390_linux64v1) (tdesc_s390_linux64v2, tdesc_s390x_linux64, tdesc_s390x_linux64v1) (tdesc_s390x_linux64v2): Declare. (s390_collect_ptrace_register, s390_supply_ptrace_register) (s390_fill_gregset, s390_store_last_break): Adjust. (target_regsets): Rename to ... (s390_regsets): ... this, and make static. (s390_get_pc, s390_set_pc): Adjust. (s390_get_hwcap): New target_desc parameter, and use it. [__s390x__] (have_hwcap_s390_high_gprs): New global. (s390_arch_setup): Adjust to set the current process'es target description. Don't adjust the regmap. (s390_usrregs_info, s390_regsets_info, regs_info): New globals. [__s390x__] (s390_usrregs_info_3264, s390_regsets_info_3264) (regs_info_3264): New globals. (s390_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-mips-low.c (tdesc_mips_linux, tdesc_mips_dsp_linux) (tdesc_mips64_linux, tdesc_mips64_dsp_linux): Declare. [__mips64] (init_registers_mips_linux) (init_registers_mips_dsp_linux): Delete defines. [__mips64] (tdesc_mips_linux, tdesc_mips_dsp_linux): New defines. (have_dsp): New global. (mips_read_description): New, based on mips_arch_setup. (mips_arch_setup): Reimplement. (get_usrregs_info): New function. (mips_cannot_fetch_register, mips_cannot_store_register) (mips_get_pc, mips_set_pc, mips_fill_gregset, mips_store_gregset) (mips_fill_fpregset, mips_store_fpregset): Adjust. (target_regsets): Rename to ... (mips_regsets): ... this, and make static. (mips_regsets_info, mips_dsp_usrregs_info, mips_usrregs_info) (dsp_regs_info, regs_info): New globals. (mips_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-arm-low.c (tdesc_arm, tdesc_arm_with_iwmmxt) (tdesc_arm_with_vfpv2, tdesc_arm_with_vfpv3, tdesc_arm_with_neon): Declare. (arm_fill_vfpregset, arm_store_vfpregset): Adjust. (arm_read_description): New, with bits factored from arm_arch_setup. (arm_arch_setup): Reimplement. (target_regsets): Rename to ... (arm_regsets): ... this, and make static. (arm_regsets_info, arm_usrregs_info, regs_info): New globals. (arm_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m68k-low.c (tdesc_m68k): Declare. (target_regsets): Rename to ... (m68k_regsets): ... this, and make static. (m68k_regsets_info, m68k_usrregs_info, regs_info): New globals. (m68k_regs_info): New function. (m68k_arch_setup): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-sh-low.c (tdesc_sharch): Declare. (target_regsets): Rename to ... (sh_regsets): ... this, and make static. (sh_regsets_info, sh_usrregs_info, regs_info): New globals. (sh_regs_info, sh_arch_setup): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-bfin-low.c (tdesc_bfin): Declare. (bfin_arch_setup): New function. (bfin_usrregs_info, regs_info): New globals. (bfin_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_cris): Declare. (cris_arch_setup): New function. (cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-cris-low.c (tdesc_crisv32): Declare. (cris_arch_setup): New function. (cris_regsets_info, cris_usrregs_info, regs_info): New globals. (cris_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-m32r-low.c (tdesc_m32r): Declare. (m32r_arch_setup): New function. (m32r_usrregs_info, regs_info): New globals. (m32r_regs_info): Adjust. (initialize_low_arch): New function. * linux-tic6x-low.c (tdesc_tic6x_c64xp_linux) (tdesc_tic6x_c64x_linux, tdesc_tic6x_c62x_linux): Declare. (tic6x_usrregs_info): Forward declare. (tic6x_read_description): New function, based on ... (tic6x_arch_setup): ... this. Reimplement. (target_regsets): Rename to ... (tic6x_regsets): ... this, and make static. (tic6x_regsets_info, tic6x_usrregs_info, regs_info): New globals. (tic6x_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-xtensa-low.c (tdesc_xtensa): Declare. (xtensa_fill_gregset, xtensa_store_gregset): Adjust. (target_regsets): Rename to ... (xtensa_regsets): ... this, and make static. (xtensa_regsets_info, xtensa_usrregs_info, regs_info): New globals. (xtensa_arch_setup, xtensa_regs_info): New functions. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-nios2-low.c (tdesc_nios2_linux): Declare. (nios2_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (nios2_regsets): ... this. (nios2_regsets_info, nios2_usrregs_info, regs_info): New globals. (nios2_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-aarch64-low.c (tdesc_aarch64): Declare. (aarch64_arch_setup): Set the current process'es tdesc. (target_regsets): Rename to ... (aarch64_regsets): ... this. (aarch64_regsets_info, aarch64_usrregs_info, regs_info): New globals. (aarch64_regs_info): New function. (the_low_target): Adjust. (initialize_low_arch): New function. * linux-tile-low.c (tdesc_tilegx, tdesc_tilegx32): Declare globals. (target_regsets): Rename to ... (tile_regsets): ... this. (tile_regsets_info, tile_usrregs_info, regs_info): New globals. (tile_regs_info): New function. (tile_arch_setup): Set the current process'es tdesc. (the_low_target): Adjust. (initialize_low_arch): New function. * spu-low.c (tdesc_spu): Declare. (spu_create_inferior, spu_attach): Set the new process'es tdesc. * win32-arm-low.c (tdesc_arm): Declare. (arm_arch_setup): New function. (the_low_target): Install arm_arch_setup instead of init_registers_arm. * win32-i386-low.c (tdesc_i386, tdesc_amd64): Declare. (init_windows_x86): Rename to ... (i386_arch_setup): ... this. Set `win32_tdesc'. (the_low_target): Adjust. * win32-low.c (win32_tdesc): New global. (child_add_thread): Don't create the thread cache here. (do_initial_child_stuff): Set the new process'es tdesc. * win32-low.h (struct target_desc): Forward declare. (win32_tdesc): Declare. * lynx-i386-low.c (tdesc_i386): Declare global. (lynx_i386_arch_setup): Set `lynx_tdesc'. * lynx-low.c (lynx_tdesc): New global. (lynx_add_process): Set the new process'es tdesc. * lynx-low.h (struct target_desc): Forward declare. (lynx_tdesc): Declare global. * lynx-ppc-low.c (tdesc_powerpc_32): Declare global. (lynx_ppc_arch_setup): Set `lynx_tdesc'. * nto-low.c (nto_tdesc): New global. (do_attach): Set the new process'es tdesc. * nto-low.h (struct target_desc): Forward declare. (nto_tdesc): Declare. * nto-x86-low.c (tdesc_i386): Declare. (nto_x86_arch_setup): Set `nto_tdesc'. gdb/ 2013-06-07 Pedro Alves <palves@redhat.com> * regformats/regdat.sh: Output #include tdesc.h. Make globals static. Output a global target description pointer. (init_registers_${name}): Adjust to initialize a target description structure.
2013-06-07 12:46:59 +02:00
#ifdef HAVE_LINUX_REGSETS
void initialize_regsets_info (struct regsets_info *regsets_info);
#endif
void initialize_low_arch (void);
/* From thread-db.c */
* inferiors.c (change_inferior_id): Delete. (add_pid_to_list, pull_pid_from_list): New. * linux-low.c (PTRACE_SETOPTIONS, PTRACE_GETEVENTMSG) (PTRACE_O_TRACESYSGOOD, PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK) (PTRACE_O_TRACECLONE, PTRACE_O_TRACEEXEC, PTRACE_O_TRACEVFORKDONE) (PTRACE_O_TRACEEXIT, PTRACE_EVENT_FORK, PTRACE_EVENT_VFORK) (PTRACE_EVENT_CLONE, PTRACE_EVENT_EXEC, PTRACE_EVENT_VFORK_DONE) (PTRACE_EVENT_EXIT, __WALL): Provide default definitions. (stopped_pids, thread_db_active, must_set_ptrace_flags): New variables. (using_threads): Always set to 1. (handle_extended_wait): New. (add_process): Do not set TID. (linux_create_inferior): Set must_set_ptrace_flags. (linux_attach_lwp): Remove TID argument. Do not check using_threads. Use PTRACE_SETOPTIONS. Call new_thread_notify. Update all callers. (linux_thread_alive): Rename TID argument to LWPID. (linux_wait_for_process): Handle unknown processes. Do not use TID. (linux_wait_for_event): Do not use TID or check using_threads. Update call to dead_thread_notify. Call handle_extended_wait. (linux_create_inferior): Use PTRACE_SETOPTIONS. (send_sigstop): Delete sigstop_sent. (wait_for_sigstop): Avoid TID. (linux_supports_tracefork_flag, linux_tracefork_child, my_waitpid) (linux_test_for_tracefork): New. (linux_lookup_signals): Use thread_db_active and linux_supports_tracefork_flag. (initialize_low): Use thread_db_active and linux_test_for_tracefork. * linux-low.h (get_process_thread): Avoid TID. (struct process_ifo): Move thread_known and tid to the end. Remove sigstop_sent. (linux_attach_lwp, thread_db_init): Update prototypes. * server.h (change_inferior_id): Delete prototype. (add_pid_to_list, pull_pid_from_list): New prototypes. * thread-db.c (thread_db_use_events): New. (find_first_thread): Rename to... (find_one_thread): ...this. Update callers and messages. Do not call fatal. Check thread_db_use_events. Do not call change_inferior_id or new_thread_notify. (maybe_attach_thread): Update. Do not call new_thread_notify. (thread_db_init): Set thread_db_use_events. Check use_events. * utils.c (fatal, warning): Correct message prefix.
2007-10-23 22:05:03 +02:00
int thread_db_init (int use_events);
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
void thread_db_detach (struct process_info *);
void thread_db_mourn (struct process_info *);
int thread_db_handle_monitor_command (char *);
int thread_db_get_tls_address (struct thread_info *thread, CORE_ADDR offset,
CORE_ADDR load_module, CORE_ADDR *address);
int thread_db_look_up_one_symbol (const char *name, CORE_ADDR *addrp);