/* Reverse execution and reverse debugging.
- Copyright (C) 2006-2017 Free Software Foundation, Inc.
+ Copyright (C) 2006-2021 Free Software Foundation, Inc.
This file is part of GDB.
Used to implement reverse-next etc. commands. */
static void
-exec_reverse_once (const char *cmd, char *args, int from_tty)
+exec_reverse_once (const char *cmd, const char *args, int from_tty)
{
enum exec_direction_kind dir = execution_direction;
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);
+ if (!target_can_execute_reverse ())
+ error (_("Target %s does not support this command."), target_shortname ());
std::string reverse_command = string_printf ("%s %s", cmd, args ? args : "");
scoped_restore restore_exec_dir
= make_scoped_restore (&execution_direction, EXEC_REVERSE);
- execute_command (&reverse_command[0], from_tty);
+ execute_command (reverse_command.c_str (), from_tty);
}
static void
-reverse_step (char *args, int from_tty)
+reverse_step (const char *args, int from_tty)
{
exec_reverse_once ("step", args, from_tty);
}
static void
-reverse_stepi (char *args, int from_tty)
+reverse_stepi (const char *args, int from_tty)
{
exec_reverse_once ("stepi", args, from_tty);
}
static void
-reverse_next (char *args, int from_tty)
+reverse_next (const char *args, int from_tty)
{
exec_reverse_once ("next", args, from_tty);
}
static void
-reverse_nexti (char *args, int from_tty)
+reverse_nexti (const char *args, int from_tty)
{
exec_reverse_once ("nexti", args, from_tty);
}
static void
-reverse_continue (char *args, int from_tty)
+reverse_continue (const char *args, int from_tty)
{
exec_reverse_once ("continue", args, from_tty);
}
static void
-reverse_finish (char *args, int from_tty)
+reverse_finish (const char *args, int from_tty)
{
exec_reverse_once ("finish", args, from_tty);
}
#define ALL_BOOKMARKS_SAFE(B,TMP) \
for ((B) = bookmark_chain; \
- (B) ? ((TMP) = (B)->next, 1) : 0; \
- (B) = (TMP))
+ (B) ? ((TMP) = (B)->next, 1) : 0; \
+ (B) = (TMP))
/* save_bookmark_command -- implement "bookmark" command.
Call target method to get a bookmark identifier.
Up to us to free it as required. */
static void
-save_bookmark_command (char *args, int from_tty)
+save_bookmark_command (const char *args, int from_tty)
{
/* Get target's idea of a bookmark. */
gdb_byte *bookmark_id = target_get_bookmark (args, from_tty);
- struct bookmark *b, *b1;
- struct gdbarch *gdbarch = get_regcache_arch (get_current_regcache ());
+ struct gdbarch *gdbarch = get_current_regcache ()->arch ();
/* CR should not cause another identical bookmark. */
dont_repeat ();
error (_("target_get_bookmark failed."));
/* Set up a bookmark struct. */
- b = XCNEW (struct bookmark);
+ bookmark *b = new bookmark ();
b->number = ++bookmark_count;
- init_sal (&b->sal);
b->pc = regcache_read_pc (get_current_regcache ());
b->sal = find_pc_line (b->pc, 0);
b->sal.pspace = get_frame_program_space (get_current_frame ());
/* Add this bookmark to the end of the chain, so that a list
of bookmarks will come out in order of increasing numbers. */
- b1 = bookmark_chain;
+ bookmark *b1 = bookmark_chain;
if (b1 == 0)
bookmark_chain = b;
else
break;
}
xfree (b->opaque_data);
- xfree (b);
+ delete b;
return 1; /* success */
}
return 0; /* failure */
}
static void
-delete_bookmark_command (char *args, int from_tty)
+delete_bookmark_command (const char *args, int from_tty)
{
if (bookmark_chain == NULL)
{
/* Implement "goto-bookmark" command. */
static void
-goto_bookmark_command (char *args, int from_tty)
+goto_bookmark_command (const char *args, int from_tty)
{
struct bookmark *b;
unsigned long num;
- char *p = args;
+ const char *p = args;
if (args == NULL || args[0] == '\0')
error (_("Command requires an argument."));
static int
bookmark_1 (int bnum)
{
- struct gdbarch *gdbarch = get_regcache_arch (get_current_regcache ());
+ struct gdbarch *gdbarch = get_current_regcache ()->arch ();
struct bookmark *b;
int matched = 0;
/* Implement "info bookmarks" command. */
static void
-info_bookmarks_command (char *args, int from_tty)
+info_bookmarks_command (const char *args, int from_tty)
{
if (!bookmark_chain)
printf_filtered (_("No bookmarks.\n"));
}
}
-
-/* Provide a prototype to silence -Wmissing-prototypes. */
-extern initialize_file_ftype _initialize_reverse;
-
+void _initialize_reverse ();
void
-_initialize_reverse (void)
+_initialize_reverse ()
{
- add_com ("reverse-step", class_run, reverse_step, _("\
+ cmd_list_element *reverse_step_cmd
+ = 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);
+Argument N means do this N times (or till program stops for another reason)."));
+ add_com_alias ("rs", reverse_step_cmd, class_run, 1);
- add_com ("reverse-next", class_run, reverse_next, _("\
+ cmd_list_element *reverse_next_cmd
+ = 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);
+Argument N means do this N times (or till program stops for another reason)."));
+ add_com_alias ("rn", reverse_next_cmd, class_run, 1);
- add_com ("reverse-stepi", class_run, reverse_stepi, _("\
+ cmd_list_element *reverse_stepi_cmd
+ = 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);
+Argument N means do this N times (or till program stops for another reason)."));
+ add_com_alias ("rsi", reverse_stepi_cmd, class_run, 0);
- add_com ("reverse-nexti", class_run, reverse_nexti, _("\
+ cmd_list_element *reverse_nexti_cmd
+ = 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);
+Argument N means do this N times (or till program stops for another reason)."));
+ add_com_alias ("rni", reverse_nexti_cmd, class_run, 0);
- add_com ("reverse-continue", class_run, reverse_continue, _("\
+ cmd_list_element *reverse_continue_cmd
+ = 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_alias ("rc", reverse_continue_cmd, class_run, 0);
add_com ("reverse-finish", class_run, reverse_finish, _("\
Execute backward until just before selected stack frame is called."));
add_cmd ("bookmark", class_bookmark, delete_bookmark_command, _("\
Delete a bookmark from the bookmark list.\n\
Argument is a bookmark number or numbers,\n\
- or no argument to delete all bookmarks.\n"),
+ or no argument to delete all bookmarks."),
&deletelist);
add_com ("goto-bookmark", class_bookmark, goto_bookmark_command, _("\
Go to an earlier-bookmarked point in the program's execution history.\n\
Argument is the bookmark number of a bookmark saved earlier by using \n\
the 'bookmark' command, or the special arguments:\n\
start (beginning of recording)\n\
- end (end of recording)\n"));
+ end (end of recording)"));
}
projects / deliverable / binutils-gdb.git / blobdiff