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* dummy-frame.h (dummy_frame_pop): Add prototype.

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* dummy-frame.c: Include "observer.h".
	(dummy_frame_push): Do not check for stale frames.
	(dummy_frame_pop): New function.
	(cleanup_dummy_frames): New function.
	(_initialize_dummy_frame): Install it as inferior_created observer.

	* frame.h (struct frame_id): Update comments.
	(frame_id_inner): Remove prototype.
	* frame.c (frame_id_inner): Make static.  Add comments.
	(frame_find_by_id): Update frame_id_inner safety net check to avoid
	false positives for targets using non-contiguous stack ranges.
	(get_prev_frame_1): Update frame_id_inner safety net check.
	(frame_pop): Call dummy_frame_pop when popping a dummy frame.

	* stack.c (return_command): Directly pop the selected frame.
	* infrun.c (handle_inferior_event): Remove dead code.
	* i386-tdep.c (i386_push_dummy_call): Update comment.
This commit is contained in:
Ulrich Weigand
2008-08-26 17:40:25 +00:00
parent 879d1e6b46
commit a45ae3ed06
8 changed files with 124 additions and 109 deletions
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27
gdb/infrun.c
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@@ -3323,33 +3323,6 @@ infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME (!gdbarch_get_longjmp_target)\n");
tss->current_line = stop_pc_sal.line;
tss->current_symtab = stop_pc_sal.symtab;
/* In the case where we just stepped out of a function into the
middle of a line of the caller, continue stepping, but
step_frame_id must be modified to current frame */
#if 0
/* NOTE: cagney/2003-10-16: I think this frame ID inner test is too
generous. It will trigger on things like a step into a frameless
stackless leaf function. I think the logic should instead look
at the unwound frame ID has that should give a more robust
indication of what happened. */
if (step - ID == current - ID)
still stepping in same function;
else if (step - ID == unwind (current - ID))
stepped into a function;
else
stepped out of a function;
/* Of course this assumes that the frame ID unwind code is robust
and we're willing to introduce frame unwind logic into this
function. Fortunately, those days are nearly upon us. */
#endif
{
struct frame_info *frame = get_current_frame ();
struct frame_id current_frame = get_frame_id (frame);
if (!(frame_id_inner (get_frame_arch (frame), current_frame,
step_frame_id)))
step_frame_id = current_frame;
}
if (debug_infrun)
fprintf_unfiltered (gdb_stdlog, "infrun: keep going\n");
keep_going (ecs);