aboutsummaryrefslogtreecommitdiff
path: root/gdb/infrun.c
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/infrun.c')
-rw-r--r--gdb/infrun.c172
1 files changed, 102 insertions, 70 deletions
diff --git a/gdb/infrun.c b/gdb/infrun.c
index 4c5ea9b..8a3ba84 100644
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -357,8 +357,9 @@ static void
show_follow_fork_mode_string (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("\
-Debugger response to a program call of fork or vfork is \"%s\".\n"),
+ fprintf_filtered (file,
+ _("Debugger response to a program "
+ "call of fork or vfork is \"%s\".\n"),
value);
}
@@ -498,8 +499,8 @@ follow_fork (void)
forked. In that case, the resume command
issued is most likely not applicable to the
child, so just warn, and refuse to resume. */
- warning (_("\
-Not resuming: switched threads before following fork child.\n"));
+ warning (_("Not resuming: switched threads "
+ "before following fork child.\n"));
}
/* Reset breakpoints in the child as appropriate. */
@@ -636,11 +637,13 @@ handle_vfork_child_exec_or_exit (int exec)
if (exec)
fprintf_filtered (gdb_stdlog,
- "Detaching vfork parent process %d after child exec.\n",
+ "Detaching vfork parent process "
+ "%d after child exec.\n",
inf->vfork_parent->pid);
else
fprintf_filtered (gdb_stdlog,
- "Detaching vfork parent process %d after child exit.\n",
+ "Detaching vfork parent process "
+ "%d after child exit.\n",
inf->vfork_parent->pid);
}
@@ -717,7 +720,8 @@ handle_vfork_child_exec_or_exit (int exec)
struct cleanup *old_chain = make_cleanup_restore_current_thread ();
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "infrun: resuming vfork parent process %d\n",
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: resuming vfork parent process %d\n",
resume_parent);
iterate_over_threads (proceed_after_vfork_done, &resume_parent);
@@ -1135,14 +1139,14 @@ show_can_use_displaced_stepping (struct ui_file *file, int from_tty,
const char *value)
{
if (can_use_displaced_stepping == can_use_displaced_stepping_auto)
- fprintf_filtered (file, _("\
-Debugger's willingness to use displaced stepping to step over \
-breakpoints is %s (currently %s).\n"),
+ fprintf_filtered (file,
+ _("Debugger's willingness to use displaced stepping "
+ "to step over breakpoints is %s (currently %s).\n"),
value, non_stop ? "on" : "off");
else
- fprintf_filtered (file, _("\
-Debugger's willingness to use displaced stepping to step over \
-breakpoints is %s.\n"), value);
+ fprintf_filtered (file,
+ _("Debugger's willingness to use displaced stepping "
+ "to step over breakpoints is %s.\n"), value);
}
/* Return non-zero if displaced stepping can/should be used to step
@@ -1319,7 +1323,8 @@ displaced_step_prepare (ptid_t ptid)
}
static void
-write_memory_ptid (ptid_t ptid, CORE_ADDR memaddr, const gdb_byte *myaddr, int len)
+write_memory_ptid (ptid_t ptid, CORE_ADDR memaddr,
+ const gdb_byte *myaddr, int len)
{
struct cleanup *ptid_cleanup = save_inferior_ptid ();
@@ -1450,7 +1455,8 @@ displaced_step_fixup (ptid_t event_ptid, enum target_signal signal)
step = currently_stepping (tp);
if (debug_displaced)
- fprintf_unfiltered (gdb_stdlog, "breakpoint is gone %s: step(%d)\n",
+ fprintf_unfiltered (gdb_stdlog,
+ "breakpoint is gone %s: step(%d)\n",
target_pid_to_str (tp->ptid), step);
target_resume (ptid, step, TARGET_SIGNAL_0);
@@ -1516,8 +1522,9 @@ static void
show_scheduler_mode (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("\
-Mode for locking scheduler during execution is \"%s\".\n"),
+ fprintf_filtered (file,
+ _("Mode for locking scheduler "
+ "during execution is \"%s\".\n"),
value);
}
@@ -1616,10 +1623,11 @@ resume (int step, enum target_signal sig)
if (gdbarch_skip_permanent_breakpoint_p (gdbarch))
gdbarch_skip_permanent_breakpoint (gdbarch, regcache);
else
- error (_("\
-The program is stopped at a permanent breakpoint, but GDB does not know\n\
-how to step past a permanent breakpoint on this architecture. Try using\n\
-a command like `return' or `jump' to continue execution."));
+ error (_("The program is stopped at a permanent "
+ "breakpoint, but GDB does not know\n"
+ "how to step past a permanent breakpoint "
+ "on this architecture. Try using\na command "
+ "like `return' or `jump' to continue execution."));
}
/* If enabled, step over breakpoints by executing a copy of the
@@ -2225,11 +2233,11 @@ static void handle_step_into_function (struct gdbarch *gdbarch,
struct execution_control_state *ecs);
static void handle_step_into_function_backward (struct gdbarch *gdbarch,
struct execution_control_state *ecs);
-static void insert_step_resume_breakpoint_at_frame (struct frame_info *step_frame);
+static void insert_step_resume_breakpoint_at_frame (struct frame_info *);
static void insert_step_resume_breakpoint_at_caller (struct frame_info *);
-static void insert_step_resume_breakpoint_at_sal (struct gdbarch *gdbarch,
- struct symtab_and_line sr_sal,
- struct frame_id sr_id);
+static void insert_step_resume_breakpoint_at_sal (struct gdbarch *,
+ struct symtab_and_line ,
+ struct frame_id);
static void insert_longjmp_resume_breakpoint (struct gdbarch *, CORE_ADDR);
static void check_exception_resume (struct execution_control_state *,
struct frame_info *, struct symbol *);
@@ -2491,7 +2499,8 @@ prepare_for_detach (void)
/* If an error happens while handling the event, propagate GDB's
knowledge of the executing state to the frontend/user running
state. */
- old_chain_2 = make_cleanup (finish_thread_state_cleanup, &minus_one_ptid);
+ old_chain_2 = make_cleanup (finish_thread_state_cleanup,
+ &minus_one_ptid);
/* In non-stop mode, each thread is handled individually.
Switch early, so the global state is set correctly for this
@@ -2894,8 +2903,8 @@ init_infwait_state (void)
void
error_is_running (void)
{
- error (_("\
-Cannot execute this command while the selected thread is running."));
+ error (_("Cannot execute this command while "
+ "the selected thread is running."));
}
void
@@ -3302,7 +3311,8 @@ handle_inferior_event (struct execution_control_state *ecs)
ptid_t parent;
ptid_t child;
int should_resume;
- int follow_child = (follow_fork_mode_string == follow_fork_mode_child);
+ int follow_child
+ = (follow_fork_mode_string == follow_fork_mode_child);
ecs->event_thread->suspend.stop_signal = TARGET_SIGNAL_0;
@@ -3346,7 +3356,8 @@ handle_inferior_event (struct execution_control_state *ecs)
the parent, and keep going. */
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "infrun: TARGET_WAITKIND_VFORK_DONE\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: TARGET_WAITKIND_VFORK_DONE\n");
if (!ptid_equal (ecs->ptid, inferior_ptid))
context_switch (ecs->ptid);
@@ -3406,7 +3417,8 @@ handle_inferior_event (struct execution_control_state *ecs)
that's in a syscall. It's frequently a losing proposition. */
case TARGET_WAITKIND_SYSCALL_ENTRY:
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "infrun: TARGET_WAITKIND_SYSCALL_ENTRY\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: TARGET_WAITKIND_SYSCALL_ENTRY\n");
/* Getting the current syscall number */
if (handle_syscall_event (ecs) != 0)
return;
@@ -3419,7 +3431,8 @@ handle_inferior_event (struct execution_control_state *ecs)
into user code.) */
case TARGET_WAITKIND_SYSCALL_RETURN:
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "infrun: TARGET_WAITKIND_SYSCALL_RETURN\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: TARGET_WAITKIND_SYSCALL_RETURN\n");
if (handle_syscall_event (ecs) != 0)
return;
goto process_event_stop_test;
@@ -3443,8 +3456,9 @@ handle_inferior_event (struct execution_control_state *ecs)
if (non_stop)
/* Non-stop assumes that the target handles adding new threads
to the thread list. */
- internal_error (__FILE__, __LINE__, "\
-targets should add new threads to the thread list themselves in non-stop mode.");
+ internal_error (__FILE__, __LINE__,
+ "targets should add new threads to the thread "
+ "list themselves in non-stop mode.");
/* We may want to consider not doing a resume here in order to
give the user a chance to play with the new thread. It might
@@ -3522,7 +3536,9 @@ targets should add new threads to the thread list themselves in non-stop mode.")
if (ecs->event_thread->suspend.stop_signal == TARGET_SIGNAL_TRAP)
{
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "infrun: stepping_past_singlestep_breakpoint\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: stepping_past_"
+ "singlestep_breakpoint\n");
/* Pull the single step breakpoints out of the target. */
remove_single_step_breakpoints ();
singlestep_breakpoints_inserted_p = 0;
@@ -3939,8 +3955,9 @@ targets should add new threads to the thread list themselves in non-stop mode.")
&& ecs->event_thread->suspend.stop_signal == TARGET_SIGNAL_TRAP
&& !bpstat_explains_signal (ecs->event_thread->control.stop_bpstat)
&& stopped_by_watchpoint)
- fprintf_unfiltered (gdb_stdlog, "\
-infrun: no user watchpoint explains watchpoint SIGTRAP, ignoring\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: no user watchpoint explains "
+ "watchpoint SIGTRAP, ignoring\n");
/* NOTE: cagney/2003-03-29: These two checks for a random signal
at one stage in the past included checks for an inferior
@@ -4135,8 +4152,9 @@ process_event_stop_test:
frame, &jmp_buf_pc))
{
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "\
-infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME (!gdbarch_get_longjmp_target)\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME "
+ "(!gdbarch_get_longjmp_target)\n");
keep_going (ecs);
return;
}
@@ -4330,8 +4348,9 @@ infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME (!gdbarch_get_longjmp_target)\n");
|| !target_thread_alive (tp->ptid))
{
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "\
-infrun: not switching back to stepped thread, it has vanished\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: not switching back to "
+ "stepped thread, it has vanished\n");
delete_thread (tp->ptid);
keep_going (ecs);
@@ -4365,7 +4384,8 @@ infrun: not switching back to stepped thread, it has vanished\n");
if (SOLIB_IN_DYNAMIC_LINKER (PIDGET (ecs->ptid), stop_pc))
{
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "infrun: stepping in dynamic linker\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: stepping in dynamic linker\n");
ecs->event_thread->stepping_over_breakpoint = 1;
keep_going (ecs);
return;
@@ -4474,7 +4494,8 @@ infrun: not switching back to stepped thread, it has vanished\n");
gdbarch_skip_solib_resolver (gdbarch, stop_pc);
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "infrun: stepped into dynsym resolve code\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: stepped into dynsym resolve code\n");
if (pc_after_resolver)
{
@@ -4500,7 +4521,8 @@ infrun: not switching back to stepped thread, it has vanished\n");
&& get_frame_type (frame) == SIGTRAMP_FRAME)
{
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "infrun: stepped into signal trampoline\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: stepped into signal trampoline\n");
/* The inferior, while doing a "step" or "next", has ended up in
a signal trampoline (either by a signal being delivered or by
the signal handler returning). Just single-step until the
@@ -4730,7 +4752,8 @@ infrun: not switching back to stepped thread, it has vanished\n");
real_stop_pc = gdbarch_skip_trampoline_code (gdbarch, frame, stop_pc);
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "infrun: stepped into solib return tramp\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: stepped into solib return tramp\n");
/* Only proceed through if we know where it's going. */
if (real_stop_pc)
@@ -4766,7 +4789,8 @@ infrun: not switching back to stepped thread, it has vanished\n");
&& stop_pc_sal.line == 0)
{
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "infrun: stepped into undebuggable function\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: stepped into undebuggable function\n");
/* The inferior just stepped into, or returned to, an
undebuggable function (where there is no debugging information
@@ -4908,7 +4932,8 @@ infrun: not switching back to stepped thread, it has vanished\n");
That is said to make things like for (;;) statements work
better. */
if (debug_infrun)
- fprintf_unfiltered (gdb_stdlog, "infrun: stepped to a different line\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: stepped to a different line\n");
ecs->event_thread->control.stop_step = 1;
print_end_stepping_range_reason ();
stop_stepping (ecs);
@@ -5570,9 +5595,9 @@ normal_stop (void)
if (remove_breakpoints ())
{
target_terminal_ours_for_output ();
- printf_filtered (_("\
-Cannot remove breakpoints because program is no longer writable.\n\
-Further execution is probably impossible.\n"));
+ printf_filtered (_("Cannot remove breakpoints because "
+ "program is no longer writable.\nFurther "
+ "execution is probably impossible.\n"));
}
}
@@ -5663,12 +5688,15 @@ Further execution is probably impossible.\n"));
&& frame_id_eq (tp->control.step_frame_id,
get_frame_id (get_current_frame ()))
&& step_start_function == find_pc_function (stop_pc))
- source_flag = SRC_LINE; /* finished step, just print source line */
+ source_flag = SRC_LINE; /* finished step, just
+ print source line */
else
- source_flag = SRC_AND_LOC; /* print location and source line */
+ source_flag = SRC_AND_LOC; /* print location and
+ source line */
break;
case PRINT_SRC_AND_LOC:
- source_flag = SRC_AND_LOC; /* print location and source line */
+ source_flag = SRC_AND_LOC; /* print location and
+ source line */
break;
case PRINT_SRC_ONLY:
source_flag = SRC_LINE;
@@ -5716,14 +5744,15 @@ Further execution is probably impossible.\n"));
gdb_assert (get_frame_type (frame) == DUMMY_FRAME);
frame_pop (frame);
- /* frame_pop() calls reinit_frame_cache as the last thing it does
- which means there's currently no selected frame. We don't need
- to re-establish a selected frame if the dummy call returns normally,
- that will be done by restore_infcall_control_state. However, we do have
- to handle the case where the dummy call is returning after being
- stopped (e.g. the dummy call previously hit a breakpoint). We
- can't know which case we have so just always re-establish a
- selected frame here. */
+ /* frame_pop() calls reinit_frame_cache as the last thing it
+ does which means there's currently no selected frame. We
+ don't need to re-establish a selected frame if the dummy call
+ returns normally, that will be done by
+ restore_infcall_control_state. However, we do have to handle
+ the case where the dummy call is returning after being
+ stopped (e.g. the dummy call previously hit a breakpoint).
+ We can't know which case we have so just always re-establish
+ a selected frame here. */
select_frame (get_current_frame ());
}
@@ -5827,8 +5856,8 @@ signal_pass_update (int signo, int state)
static void
sig_print_header (void)
{
- printf_filtered (_("\
-Signal Stop\tPrint\tPass to program\tDescription\n"));
+ printf_filtered (_("Signal Stop\tPrint\tPass "
+ "to program\tDescription\n"));
}
static void
@@ -5983,7 +6012,8 @@ handle_command (char *args, int from_tty)
if (!allsigs && !sigs[signum])
{
if (query (_("%s is used by the debugger.\n\
-Are you sure you want to change it? "), target_signal_to_name ((enum target_signal) signum)))
+Are you sure you want to change it? "),
+ target_signal_to_name ((enum target_signal) signum)))
{
sigs[signum] = 1;
}
@@ -6133,7 +6163,8 @@ signals_info (char *signum_exp, int from_tty)
sig_print_info (oursig);
}
- printf_filtered (_("\nUse the \"handle\" command to change these tables.\n"));
+ printf_filtered (_("\nUse the \"handle\" command "
+ "to change these tables.\n"));
}
/* The $_siginfo convenience variable is a bit special. We don't know
@@ -6727,8 +6758,8 @@ show_exec_direction_func (struct ui_file *out, int from_tty,
break;
case EXEC_ERROR:
default:
- fprintf_filtered (out,
- _("Forward (target `%s' does not support exec-direction).\n"),
+ fprintf_filtered (out, _("Forward (target `%s' does not "
+ "support exec-direction).\n"),
target_shortname);
break;
}
@@ -6764,8 +6795,8 @@ static void
show_schedule_multiple (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("\
-Resuming the execution of threads of all processes is %s.\n"), value);
+ fprintf_filtered (file, _("Resuming the execution of threads "
+ "of all processes is %s.\n"), value);
}
void
@@ -6832,7 +6863,8 @@ When non-zero, inferior specific debugging is enabled."),
show_debug_infrun,
&setdebuglist, &showdebuglist);
- add_setshow_boolean_cmd ("displaced", class_maintenance, &debug_displaced, _("\
+ add_setshow_boolean_cmd ("displaced", class_maintenance,
+ &debug_displaced, _("\
Set displaced stepping debugging."), _("\
Show displaced stepping debugging."), _("\
When non-zero, displaced stepping specific debugging is enabled."),
generated by cgit v1.1 at 2024-11-30 04:15:39 +0000