2010-02-12 Tomas Holmberg <th@virtutech.com>

* mi/mi-main.c: Added the --reverse flag to the following MI
	commands: exec-continue, exec-finish, exec-next, exec-step,
	exec-next-instruction, exec-step-instruction. This is to
	support reverse execution over the MI interface to gdb.
This commit is contained in:
Michael Snyder 2010-02-12 21:28:25 +00:00
parent 3381116249
commit e5829bee48
2 changed files with 70 additions and 8 deletions

View File

@ -1,3 +1,10 @@
2010-02-12 Tomas Holmberg <th@virtutech.com>
* mi/mi-main.c: Added the --reverse flag to the following MI
commands: exec-continue, exec-finish, exec-next, exec-step,
exec-next-instruction, exec-step-instruction. This is to
support reverse execution over the MI interface to gdb.
2010-02-12 Pedro Alves <pedro@codesourcery.com>
* tracepoint.c (_initialize_tracepoint): Specify that the address

View File

@ -121,35 +121,50 @@ void
mi_cmd_exec_next (char *command, char **argv, int argc)
{
/* FIXME: Should call a libgdb function, not a cli wrapper. */
mi_execute_async_cli_command ("next", argv, argc);
if (argc > 0 && strcmp(argv[0], "--reverse") == 0)
mi_execute_async_cli_command ("reverse-next", argv + 1, argc - 1);
else
mi_execute_async_cli_command ("next", argv, argc);
}
void
mi_cmd_exec_next_instruction (char *command, char **argv, int argc)
{
/* FIXME: Should call a libgdb function, not a cli wrapper. */
mi_execute_async_cli_command ("nexti", argv, argc);
if (argc > 0 && strcmp(argv[0], "--reverse") == 0)
mi_execute_async_cli_command ("reverse-nexti", argv + 1, argc - 1);
else
mi_execute_async_cli_command ("nexti", argv, argc);
}
void
mi_cmd_exec_step (char *command, char **argv, int argc)
{
/* FIXME: Should call a libgdb function, not a cli wrapper. */
mi_execute_async_cli_command ("step", argv, argc);
if (argc > 0 && strcmp(argv[0], "--reverse") == 0)
mi_execute_async_cli_command ("reverse-step", argv + 1, argc - 1);
else
mi_execute_async_cli_command ("step", argv, argc);
}
void
mi_cmd_exec_step_instruction (char *command, char **argv, int argc)
{
/* FIXME: Should call a libgdb function, not a cli wrapper. */
mi_execute_async_cli_command ("stepi", argv, argc);
if (argc > 0 && strcmp(argv[0], "--reverse") == 0)
mi_execute_async_cli_command ("reverse-stepi", argv + 1, argc - 1);
else
mi_execute_async_cli_command ("stepi", argv, argc);
}
void
mi_cmd_exec_finish (char *command, char **argv, int argc)
{
/* FIXME: Should call a libgdb function, not a cli wrapper. */
mi_execute_async_cli_command ("finish", argv, argc);
if (argc > 0 && strcmp(argv[0], "--reverse") == 0)
mi_execute_async_cli_command ("reverse-finish", argv + 1, argc - 1);
else
mi_execute_async_cli_command ("finish", argv, argc);
}
void
@ -195,8 +210,8 @@ proceed_thread_callback (struct thread_info *thread, void *arg)
return 0;
}
void
mi_cmd_exec_continue (char *command, char **argv, int argc)
static void
exec_continue (char **argv, int argc)
{
if (argc == 0)
continue_1 (0);
@ -217,7 +232,47 @@ mi_cmd_exec_continue (char *command, char **argv, int argc)
do_cleanups (old_chain);
}
else
error ("Usage: -exec-continue [--all|--thread-group id]");
error ("Usage: -exec-continue [--reverse] [--all|--thread-group id]");
}
/* continue in reverse direction:
XXX: code duplicated from reverse.c */
static void
exec_direction_default (void *notused)
{
/* Return execution direction to default state. */
execution_direction = EXEC_FORWARD;
}
static void
exec_reverse_continue (char **argv, int argc)
{
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."));
if (!target_can_execute_reverse)
error (_("Target %s does not support this command."), target_shortname);
old_chain = make_cleanup (exec_direction_default, NULL);
execution_direction = EXEC_REVERSE;
exec_continue (argv, argc);
do_cleanups (old_chain);
}
void
mi_cmd_exec_continue (char *command, char **argv, int argc)
{
if (argc > 0 && strcmp(argv[0], "--reverse") == 0)
exec_reverse_continue (argv + 1, argc - 1);
else
exec_continue (argv, argc);
}
static int