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2c0b251b29
Silence a few -Wmissing-prototypes warnings. PR build/9877: * amd64-nat.c: Include "amd64-nat.h". * fork-child.c (_initialize_fork_child): Ditto. * gcore.c (_initialize_gcore): Ditto. * inf-ptrace.c: Include "inf-ptrace.h". (inf_ptrace_store_registers): Make it static. * linux-nat.c (linux_nat_terminal_ours): Make it static. (_initialize_linux_nat): Declare before definition. * linux-tdep.c: Include "linux-tdep.h". * linux-thread-db.c (_initialize_thread_db): Declare before definition. * proc-service.c (_initialize_proc_service): Ditto. * remote.c (remote_send_printf): Make it static. * solib.c: Include "solib.h". * symfile-mem.c (_initialize_symfile_mem): Declare before definition. * ada-lang.c (ada_la_decode, ada_match_name) (ada_suppress_symbol_printing, ada_is_array_type) (ada_value_ptr_subscript, ada_array_length) (ada_to_static_fixed_value): Make them static. (_initialize_ada_language): Declare before definition. * ada-tasks.c (ada_get_task_number, ada_get_environment_task) (ada_task_list_changed, ada_new_objfile_observer): Make them static. (_initialize_tasks): Declare before definition. * addrmap.c (_initialize_addrmap): Declare before definition. * auxv.c (default_auxv_parse): Make it static. * bfd-target.c (target_bfd_xfer_partial, target_bfd_xclose): Make them static. * breakpoint.c (remove_sal): Add line break. (expand_line_sal_maybe): Make it static. * cp-name-parser.y: Include "cp-support.h". * cp-valprint.c (cp_find_class_member): Make it static. * eval.c (value_f90_subarray): Ditto. * exceptions.c (print_any_exception): Ditto. * findcmd.c (_initialize_mem_search): Declare before definition. * frame.c (frame_observer_target_changed): Make it static. * gnu-v3-abi.c (gnuv3_find_method_in): Make it static. * inf-child.c: Include "inf-child.h". * inferior.h (valid_inferior_id): Rename to ... (valid_gdb_inferior_id): ... this. * infrun.c (infrun_thread_stop_requested, siginfo_make_value): Make them static. * jv-lang.c (java_language_arch_info): Make it static. * m2-typeprint.c (m2_get_discrete_bounds): Ditto. * osdata.c (info_osdata_command): Make it static. * regcache.c (regcache_observer_target_changed): Make it static. * reverse.c (_initialize_reverse): Declare before definition. * stabsread.c (cleanup_undefined_types_noname) (cleanup_undefined_types_1): Make them static. * symfile.c (place_section): Make it static. * symtab.c (find_pc_sect_psymtab_closer): Make it static. * target-descriptions.c (_initialize_target_descriptions): Declare before definition. * target.c (default_get_ada_task_ptid, find_default_can_async_p) (find_default_is_async_p, find_default_supports_non_stop): Make them static. (target_supports_non_stop): Add prototype. (dummy_pid_to_str): Make it static. * utils.c (_initialize_utils): Declare before definition. * ada-exp.y (_initialize_ada_exp): Declare before definition. * solib-svr4.c (HAS_LM_DYNAMIC_FROM_LINK_MAP): Add a prototype. * target.h (struct target_ops): Add a prototype to the to_can_execute_reverse callback. * macroscope.c (_initialize_macroscope): Declare before definition. * cp-namespace.c (_initialize_cp_namespace): Declare before definition. * python/python.c (_initialize_python): Declare before definition. * tui/tui-command.c: Include "tui/tui-command.h". * tui/tui-data.c (init_content_element, init_win_info): Make them static. * tui/tui-disasm.c: Include "tui/tui-disasm.h". * tui/tui-interp.c (_initialize_tui_interp): Declare before definition. * tui/tui-layout.c: Include "tui/tui-layout.h". (_initialize_tui_layout): Declare before definition. * tui/tui-regs.c: Include "tui/tui-regs.h". (tui_display_reg_element_at_line): Make it static. (_initialize_tui_regs): Declare before definition. * tui/tui-stack.c (_initialize_tui_stack): Declare before definition. * tui/tui-win.c: Include "tui/tui-win.h". (_initialize_tui_win): Declare before definition. (tui_sigwinch_handler): Make it static. Wrap in ifdef SIGWINCH. * tui/tui-win.h (tui_sigwinch_handler): Delete declaration. (tui_get_cmd_list): Add a prototype. * tui/tui-windata.c: Include tui-windata.h. * tui/tui-wingeneral.c (box_win): Make it static. * cli/cli-logging.c (show_logging_command): Make it static. (_initialize_cli_logging): Declare before definition. * mi/mi-common.c (_initialize_gdb_mi_common): Declare before definition.
148 lines
4.6 KiB
C
148 lines
4.6 KiB
C
/* Reverse execution and reverse debugging.
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Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "defs.h"
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#include "gdb_string.h"
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#include "target.h"
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#include "top.h"
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#include "cli/cli-cmds.h"
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#include "cli/cli-decode.h"
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#include "inferior.h"
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/* User interface:
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reverse-step, reverse-next etc. */
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static void
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exec_direction_default (void *notused)
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{
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/* Return execution direction to default state. */
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execution_direction = EXEC_FORWARD;
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}
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/* exec_reverse_once -- accepts an arbitrary gdb command (string),
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and executes it with exec-direction set to 'reverse'.
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Used to implement reverse-next etc. commands. */
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static void
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exec_reverse_once (char *cmd, char *args, int from_tty)
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{
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char *reverse_command;
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enum exec_direction_kind dir = execution_direction;
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struct cleanup *old_chain;
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if (dir == EXEC_ERROR)
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error (_("Target %s does not support this command."), target_shortname);
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if (dir == EXEC_REVERSE)
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error (_("Already in reverse mode. Use '%s' or 'set exec-dir forward'."),
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cmd);
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if (!target_can_execute_reverse)
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error (_("Target %s does not support this command."), target_shortname);
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reverse_command = xstrprintf ("%s %s", cmd, args ? args : "");
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old_chain = make_cleanup (exec_direction_default, NULL);
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make_cleanup (xfree, reverse_command);
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execution_direction = EXEC_REVERSE;
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execute_command (reverse_command, from_tty);
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do_cleanups (old_chain);
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}
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static void
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reverse_step (char *args, int from_tty)
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{
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exec_reverse_once ("step", args, from_tty);
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}
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static void
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reverse_stepi (char *args, int from_tty)
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{
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exec_reverse_once ("stepi", args, from_tty);
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}
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static void
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reverse_next (char *args, int from_tty)
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{
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exec_reverse_once ("next", args, from_tty);
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}
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static void
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reverse_nexti (char *args, int from_tty)
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{
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exec_reverse_once ("nexti", args, from_tty);
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}
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static void
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reverse_continue (char *args, int from_tty)
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{
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exec_reverse_once ("continue", args, from_tty);
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}
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static void
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reverse_finish (char *args, int from_tty)
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{
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exec_reverse_once ("finish", args, from_tty);
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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extern initialize_file_ftype _initialize_reverse;
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void
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_initialize_reverse (void)
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{
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add_com ("reverse-step", class_run, reverse_step, _("\
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Step program backward until it reaches the beginning of another source line.\n\
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Argument N means do this N times (or till program stops for another reason).")
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);
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add_com_alias ("rs", "reverse-step", class_alias, 1);
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add_com ("reverse-next", class_run, reverse_next, _("\
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Step program backward, proceeding through subroutine calls.\n\
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Like the \"reverse-step\" command as long as subroutine calls do not happen;\n\
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when they do, the call is treated as one instruction.\n\
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Argument N means do this N times (or till program stops for another reason).")
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);
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add_com_alias ("rn", "reverse-next", class_alias, 1);
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add_com ("reverse-stepi", class_run, reverse_stepi, _("\
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Step backward exactly one instruction.\n\
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Argument N means do this N times (or till program stops for another reason).")
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);
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add_com_alias ("rsi", "reverse-stepi", class_alias, 0);
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add_com ("reverse-nexti", class_run, reverse_nexti, _("\
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Step backward one instruction, but proceed through called subroutines.\n\
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Argument N means do this N times (or till program stops for another reason).")
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);
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add_com_alias ("rni", "reverse-nexti", class_alias, 0);
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add_com ("reverse-continue", class_run, reverse_continue, _("\
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Continue program being debugged but run it in reverse.\n\
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If proceeding from breakpoint, a number N may be used as an argument,\n\
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which means to set the ignore count of that breakpoint to N - 1 (so that\n\
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the breakpoint won't break until the Nth time it is reached)."));
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add_com_alias ("rc", "reverse-continue", class_alias, 0);
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add_com ("reverse-finish", class_run, reverse_finish, _("\
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Execute backward until just before selected stack frame is called."));
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}
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