/* Target-struct-independent code to start (run) and stop an inferior process.
- Copyright 1986-1989, 1991-1999 Free Software Foundation, Inc.
+ Copyright 1986-1989, 1991-2000 Free Software Foundation, Inc.
This file is part of GDB.
#include "frame.h"
#include "inferior.h"
#include "breakpoint.h"
-#include "wait.h"
+#include "gdb_wait.h"
#include "gdbcore.h"
#include "gdbcmd.h"
#include "target.h"
when the inferior stopped in a different thread than it had been
running in. */
-static int switched_from_inferior_pid;
-
-/* This will be true for configurations that may actually report an
- inferior pid different from the original. At present this is only
- true for HP-UX native. */
-
-#ifndef MAY_SWITCH_FROM_INFERIOR_PID
-#define MAY_SWITCH_FROM_INFERIOR_PID (0)
-#endif
-
-static int may_switch_from_inferior_pid = MAY_SWITCH_FROM_INFERIOR_PID;
+static int previous_inferior_pid;
/* This is true for configurations that may follow through execl() and
similar functions. At present this is only true for HP-UX native. */
if (should_resume)
{
+ int resume_pid;
+
if (use_thread_step_needed && thread_step_needed)
{
/* We stopped on a BPT instruction;
{
/* Breakpoint deleted: ok to do regular resume
where all the threads either step or continue. */
- target_resume (-1, step, sig);
+ resume_pid = -1;
}
else
{
trap_expected = 1;
step = 1;
}
-
- target_resume (inferior_pid, step, sig);
+ resume_pid = inferior_pid;
}
}
else
{
/* Vanilla resume. */
-
if ((scheduler_mode == schedlock_on) ||
(scheduler_mode == schedlock_step && step != 0))
- target_resume (inferior_pid, step, sig);
+ resume_pid = inferior_pid;
else
- target_resume (-1, step, sig);
+ resume_pid = -1;
}
+ target_resume (resume_pid, step, sig);
}
discard_cleanups (old_cleanups);
thread_step_needed = 0;
/* We'll update this if & when we switch to a new thread. */
- if (may_switch_from_inferior_pid)
- switched_from_inferior_pid = inferior_pid;
+ previous_inferior_pid = inferior_pid;
overlay_cache_invalid = 1;
thread_step_needed = 0;
/* We'll update this if & when we switch to a new thread. */
- if (may_switch_from_inferior_pid)
- switched_from_inferior_pid = inferior_pid;
+ previous_inferior_pid = inferior_pid;
overlay_cache_invalid = 1;
{
add_thread (ecs->pid);
+#ifdef UI_OUT
+ ui_out_text (uiout, "[New ");
+ ui_out_text (uiout, target_pid_or_tid_to_str (ecs->pid));
+ ui_out_text (uiout, "]\n");
+#else
printf_filtered ("[New %s]\n", target_pid_or_tid_to_str (ecs->pid));
+#endif
#if 0
/* NOTE: This block is ONLY meant to be invoked in case of a
case TARGET_WAITKIND_STOPPED:
stop_signal = ecs->ws.value.sig;
break;
+
+ /* We had an event in the inferior, but we are not interested
+ in handling it at this level. The lower layers have already
+ done what needs to be done, if anything. This case can
+ occur only when the target is async or extended-async. One
+ of the circumstamces for this to happen is when the
+ inferior produces output for the console. The inferior has
+ not stopped, and we are ignoring the event. */
+ case TARGET_WAITKIND_IGNORE:
+ ecs->wait_some_more = 1;
+ return;
}
/* We may want to consider not doing a resume here in order to give
&ecs->stepping_through_solib_catchpoints,
&ecs->stepping_through_sigtramp);
}
- if (may_switch_from_inferior_pid)
- switched_from_inferior_pid = inferior_pid;
inferior_pid = ecs->pid;
if (context_hook)
context_hook (pid_to_thread_id (ecs->pid));
- printf_filtered ("[Switching to %s]\n", target_pid_to_str (ecs->pid));
flush_cached_frames ();
}
break;
case SIGNAL_EXITED:
/* The inferior was terminated by a signal. */
+#ifdef UI_OUT
+ annotate_signalled ();
+ ui_out_text (uiout, "\nProgram terminated with signal ");
+ annotate_signal_name ();
+ ui_out_field_string (uiout, "signal-name", target_signal_to_name (stop_info));
+ annotate_signal_name_end ();
+ ui_out_text (uiout, ", ");
+ annotate_signal_string ();
+ ui_out_field_string (uiout, "signal-meaning", target_signal_to_string (stop_info));
+ annotate_signal_string_end ();
+ ui_out_text (uiout, ".\n");
+ ui_out_text (uiout, "The program no longer exists.\n");
+#else
annotate_signalled ();
printf_filtered ("\nProgram terminated with signal ");
annotate_signal_name ();
printf_filtered ("The program no longer exists.\n");
gdb_flush (gdb_stdout);
+#endif
break;
case EXITED:
/* The inferior program is finished. */
+#ifdef UI_OUT
+ annotate_exited (stop_info);
+ if (stop_info)
+ {
+ ui_out_text (uiout, "\nProgram exited with code ");
+ ui_out_field_fmt (uiout, "exit-code", "0%o", (unsigned int) stop_info);
+ ui_out_text (uiout, ".\n");
+ }
+ else
+ {
+ ui_out_text (uiout, "\nProgram exited normally.\n");
+ }
+#else
annotate_exited (stop_info);
if (stop_info)
printf_filtered ("\nProgram exited with code 0%o.\n",
(unsigned int) stop_info);
else
printf_filtered ("\nProgram exited normally.\n");
+#endif
break;
case SIGNAL_RECEIVED:
/* Signal received. The signal table tells us to print about
it. */
+#ifdef UI_OUT
+ annotate_signal ();
+ ui_out_text (uiout, "\nProgram received signal ");
+ annotate_signal_name ();
+ ui_out_field_string (uiout, "signal-name", target_signal_to_name (stop_info));
+ annotate_signal_name_end ();
+ ui_out_text (uiout, ", ");
+ annotate_signal_string ();
+ ui_out_field_string (uiout, "signal-meaning", target_signal_to_string (stop_info));
+ annotate_signal_string_end ();
+ ui_out_text (uiout, ".\n");
+#else
annotate_signal ();
printf_filtered ("\nProgram received signal ");
annotate_signal_name ();
annotate_signal_string_end ();
printf_filtered (".\n");
gdb_flush (gdb_stdout);
+#endif
break;
default:
internal_error ("print_stop_reason: unrecognized enum value");
(Note that there's no point in saying anything if the inferior
has exited!) */
- if (may_switch_from_inferior_pid
- && (switched_from_inferior_pid != inferior_pid)
+ if ((previous_inferior_pid != inferior_pid)
&& target_has_execution)
{
target_terminal_ours_for_output ();
- printf_filtered ("[Switched to %s]\n",
+ printf_filtered ("[Switching to %s]\n",
target_pid_or_tid_to_str (inferior_pid));
- switched_from_inferior_pid = inferior_pid;
+ previous_inferior_pid = inferior_pid;
}
/* Make sure that the current_frame's pc is correct. This
if (stop_step
&& step_frame_address == FRAME_FP (get_current_frame ())
&& step_start_function == find_pc_function (stop_pc))
- source_flag = -1; /* finished step, just print source line */
+ source_flag = SRC_LINE; /* finished step, just print source line */
else
- source_flag = 1; /* print location and source line */
+ source_flag = SRC_AND_LOC; /* print location and source line */
break;
case PRINT_SRC_AND_LOC:
- source_flag = 1; /* print location and source line */
+ source_flag = SRC_AND_LOC; /* print location and source line */
break;
case PRINT_SRC_ONLY:
- source_flag = -1;
+ source_flag = SRC_LINE;
break;
case PRINT_NOTHING:
do_frame_printing = 0;
/* The behavior of this routine with respect to the source
flag is:
- -1: Print only source line
- 0: Print only location
- 1: Print location and source line */
+ SRC_LINE: Print only source line
+ LOCATION: Print only location
+ SRC_AND_LOC: Print location and source line */
if (do_frame_printing)
show_and_print_stack_frame (selected_frame, -1, source_flag);