static void sig_print_header (void);
-static void resume_cleanups (int);
+static void resume_cleanups (void *);
static int hook_stop_stub (void *);
follow-fork-mode.) */
static int follow_vfork_when_exec;
-static char *follow_fork_mode_kind_names[] =
+static const char follow_fork_mode_ask[] = "ask";
+static const char follow_fork_mode_both[] = "both";
+static const char follow_fork_mode_child[] = "child";
+static const char follow_fork_mode_parent[] = "parent";
+
+static const char *follow_fork_mode_kind_names[] =
{
+ follow_fork_mode_ask,
/* ??rehrauer: The "both" option is broken, by what may be a 10.20
kernel problem. It's also not terribly useful without a GUI to
help the user drive two debuggers. So for now, I'm disabling the
"both" option. */
- /* "parent", "child", "both", "ask" */
- "parent", "child", "ask", NULL
+ /* follow_fork_mode_both, */
+ follow_fork_mode_child,
+ follow_fork_mode_parent,
+ NULL
};
-static char *follow_fork_mode_string = NULL;
+static const char *follow_fork_mode_string = follow_fork_mode_parent;
\f
static void
int followed_child = 0;
/* Which process did the user want us to follow? */
- char *follow_mode =
- savestring (follow_fork_mode_string, strlen (follow_fork_mode_string));
+ const char *follow_mode = follow_fork_mode_string;
/* Or, did the user not know, and want us to ask? */
- if (STREQ (follow_fork_mode_string, "ask"))
+ if (follow_fork_mode_string == follow_fork_mode_ask)
{
- char requested_mode[100];
-
- free (follow_mode);
- error ("\"ask\" mode NYI");
- follow_mode = savestring (requested_mode, strlen (requested_mode));
+ internal_error ("follow_inferior_fork: \"ask\" mode not implemented");
+ /* follow_mode = follow_fork_mode_...; */
}
/* If we're to be following the parent, then detach from child_pid.
We're already following the parent, so need do nothing explicit
for it. */
- if (STREQ (follow_mode, "parent"))
+ if (follow_mode == follow_fork_mode_parent)
{
followed_parent = 1;
/* If we're to be following the child, then attach to it, detach
from inferior_pid, and set inferior_pid to child_pid. */
- else if (STREQ (follow_mode, "child"))
+ else if (follow_mode == follow_fork_mode_child)
{
char child_pid_spelling[100]; /* Arbitrary length. */
/* If we're to be following both parent and child, then fork ourselves,
and attach the debugger clone to the child. */
- else if (STREQ (follow_mode, "both"))
+ else if (follow_mode == follow_fork_mode_both)
{
char pid_suffix[100]; /* Arbitrary length. */
pending_follow.fork_event.saw_parent_fork = 0;
pending_follow.fork_event.saw_child_fork = 0;
-
- free (follow_mode);
}
static void
/* Things to clean up if we QUIT out of resume (). */
/* ARGSUSED */
static void
-resume_cleanups (int arg)
+resume_cleanups (void *ignore)
{
normal_stop ();
}
-static char schedlock_off[] = "off";
-static char schedlock_on[] = "on";
-static char schedlock_step[] = "step";
-static char *scheduler_mode = schedlock_off;
-static char *scheduler_enums[] =
+static const char schedlock_off[] = "off";
+static const char schedlock_on[] = "on";
+static const char schedlock_step[] = "step";
+static const char *scheduler_mode = schedlock_off;
+static const char *scheduler_enums[] =
{
schedlock_off,
schedlock_on,
resume (int step, enum target_signal sig)
{
int should_resume = 1;
- struct cleanup *old_cleanups = make_cleanup ((make_cleanup_func)
- resume_cleanups, 0);
+ struct cleanup *old_cleanups = make_cleanup (resume_cleanups, 0);
QUIT;
#ifdef CANNOT_STEP_BREAKPOINT
the HP-UX maintainer to furnish a fix that doesn't break other
platforms. --JimB, 20 May 1999 */
check_sigtramp2 (ecs);
+ keep_going (ecs);
+ return;
}
/* Handle cases caused by hitting a breakpoint. */
if (step_over_calls > 0 || IGNORE_HELPER_CALL (stop_pc))
{
/* We're doing a "next". */
+
+ if (IN_SIGTRAMP (stop_pc, ecs->stop_func_name)
+ && INNER_THAN (step_frame_address, read_sp()))
+ /* We stepped out of a signal handler, and into its
+ calling trampoline. This is misdetected as a
+ subroutine call, but stepping over the signal
+ trampoline isn't such a bad idea. In order to do
+ that, we have to ignore the value in
+ step_frame_address, since that doesn't represent the
+ frame that'll reach when we return from the signal
+ trampoline. Otherwise we'll probably continue to the
+ end of the program. */
+ step_frame_address = 0;
+
step_over_function (ecs);
keep_going (ecs);
return;
step_resume_breakpoint =
set_momentary_breakpoint (sr_sal, get_current_frame (), bp_step_resume);
- if (!IN_SOLIB_DYNSYM_RESOLVE_CODE (sr_sal.pc))
+ if (step_frame_address && !IN_SOLIB_DYNSYM_RESOLVE_CODE (sr_sal.pc))
step_resume_breakpoint->frame = step_frame_address;
if (breakpoints_inserted)
free_inferior_status (inf_status);
}
+static void
+do_restore_inferior_status_cleanup (void *sts)
+{
+ restore_inferior_status (sts);
+}
+
+struct cleanup *
+make_cleanup_restore_inferior_status (struct inferior_status *inf_status)
+{
+ return make_cleanup (do_restore_inferior_status_cleanup, inf_status);
+}
+
void
discard_inferior_status (struct inferior_status *inf_status)
{
free_inferior_status (inf_status);
}
-static void
-set_follow_fork_mode_command (char *arg, int from_tty,
- struct cmd_list_element *c)
-{
- if (!STREQ (arg, "parent") &&
- !STREQ (arg, "child") &&
- !STREQ (arg, "both") &&
- !STREQ (arg, "ask"))
- error ("follow-fork-mode must be one of \"parent\", \"child\", \"both\" or \"ask\".");
-
- if (follow_fork_mode_string != NULL)
- free (follow_fork_mode_string);
- follow_fork_mode_string = savestring (arg, strlen (arg));
-}
\f
static void
build_infrun (void)
c = add_set_enum_cmd ("follow-fork-mode",
class_run,
follow_fork_mode_kind_names,
- (char *) &follow_fork_mode_string,
+ &follow_fork_mode_string,
/* ??rehrauer: The "both" option is broken, by what may be a 10.20
kernel problem. It's also not terribly useful without a GUI to
help the user drive two debuggers. So for now, I'm disabling
/* c->function.sfunc = ; */
add_show_from_set (c, &showlist);
- set_follow_fork_mode_command ("parent", 0, NULL);
-
c = add_set_enum_cmd ("scheduler-locking", class_run,
scheduler_enums, /* array of string names */
- (char *) &scheduler_mode, /* current mode */
+ &scheduler_mode, /* current mode */
"Set mode for locking scheduler during execution.\n\
off == no locking (threads may preempt at any time)\n\
on == full locking (no thread except the current thread may run)\n\
projects / deliverable / binutils-gdb.git / blobdiff