darling-gdb/gdb/reverse.c
Pedro Alves 2c0b251b29 2008-02-21 Pedro Alves <pedro@codesorcery.com>
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.
2009-02-21 16:14:50 +00:00

148 lines
4.6 KiB
C

/* Reverse execution and reverse debugging.
Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "gdb_string.h"
#include "target.h"
#include "top.h"
#include "cli/cli-cmds.h"
#include "cli/cli-decode.h"
#include "inferior.h"
/* User interface:
reverse-step, reverse-next etc. */
static void
exec_direction_default (void *notused)
{
/* Return execution direction to default state. */
execution_direction = EXEC_FORWARD;
}
/* exec_reverse_once -- accepts an arbitrary gdb command (string),
and executes it with exec-direction set to 'reverse'.
Used to implement reverse-next etc. commands. */
static void
exec_reverse_once (char *cmd, char *args, int from_tty)
{
char *reverse_command;
enum exec_direction_kind dir = execution_direction;
struct cleanup *old_chain;
if (dir == EXEC_ERROR)
error (_("Target %s does not support this command."), target_shortname);
if (dir == EXEC_REVERSE)
error (_("Already in reverse mode. Use '%s' or 'set exec-dir forward'."),
cmd);
if (!target_can_execute_reverse)
error (_("Target %s does not support this command."), target_shortname);
reverse_command = xstrprintf ("%s %s", cmd, args ? args : "");
old_chain = make_cleanup (exec_direction_default, NULL);
make_cleanup (xfree, reverse_command);
execution_direction = EXEC_REVERSE;
execute_command (reverse_command, from_tty);
do_cleanups (old_chain);
}
static void
reverse_step (char *args, int from_tty)
{
exec_reverse_once ("step", args, from_tty);
}
static void
reverse_stepi (char *args, int from_tty)
{
exec_reverse_once ("stepi", args, from_tty);
}
static void
reverse_next (char *args, int from_tty)
{
exec_reverse_once ("next", args, from_tty);
}
static void
reverse_nexti (char *args, int from_tty)
{
exec_reverse_once ("nexti", args, from_tty);
}
static void
reverse_continue (char *args, int from_tty)
{
exec_reverse_once ("continue", args, from_tty);
}
static void
reverse_finish (char *args, int from_tty)
{
exec_reverse_once ("finish", args, from_tty);
}
/* Provide a prototype to silence -Wmissing-prototypes. */
extern initialize_file_ftype _initialize_reverse;
void
_initialize_reverse (void)
{
add_com ("reverse-step", class_run, reverse_step, _("\
Step program backward until it reaches the beginning of another source line.\n\
Argument N means do this N times (or till program stops for another reason).")
);
add_com_alias ("rs", "reverse-step", class_alias, 1);
add_com ("reverse-next", class_run, reverse_next, _("\
Step program backward, proceeding through subroutine calls.\n\
Like the \"reverse-step\" command as long as subroutine calls do not happen;\n\
when they do, the call is treated as one instruction.\n\
Argument N means do this N times (or till program stops for another reason).")
);
add_com_alias ("rn", "reverse-next", class_alias, 1);
add_com ("reverse-stepi", class_run, reverse_stepi, _("\
Step backward exactly one instruction.\n\
Argument N means do this N times (or till program stops for another reason).")
);
add_com_alias ("rsi", "reverse-stepi", class_alias, 0);
add_com ("reverse-nexti", class_run, reverse_nexti, _("\
Step backward one instruction, but proceed through called subroutines.\n\
Argument N means do this N times (or till program stops for another reason).")
);
add_com_alias ("rni", "reverse-nexti", class_alias, 0);
add_com ("reverse-continue", class_run, reverse_continue, _("\
Continue program being debugged but run it in reverse.\n\
If proceeding from breakpoint, a number N may be used as an argument,\n\
which means to set the ignore count of that breakpoint to N - 1 (so that\n\
the breakpoint won't break until the Nth time it is reached)."));
add_com_alias ("rc", "reverse-continue", class_alias, 0);
add_com ("reverse-finish", class_run, reverse_finish, _("\
Execute backward until just before selected stack frame is called."));
}