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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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25
gdb/stack.c
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@ -1844,29 +1844,8 @@ If you continue, the return value that you specified will be ignored.\n";
error (_("Not confirmed"));
}
/* NOTE: cagney/2003-01-18: Is this silly? Rather than pop each
frame in turn, should this code just go straight to the relevant
frame and pop that? */
/* First discard all frames inner-to the selected frame (making the
selected frame current). */
{
struct frame_id selected_id = get_frame_id (get_selected_frame (NULL));
while (!frame_id_eq (selected_id, get_frame_id (get_current_frame ())))
{
struct frame_info *frame = get_current_frame ();
if (frame_id_inner (get_frame_arch (frame), selected_id,
get_frame_id (frame)))
/* Caught in the safety net, oops! We've gone way past the
selected frame. */
error (_("Problem while popping stack frames (corrupt stack?)"));
frame_pop (get_current_frame ());
}
}
/* Second discard the selected frame (which is now also the current
frame). */
frame_pop (get_current_frame ());
/* Discard the selected frame and all frames inner-to it. */
frame_pop (get_selected_frame (NULL));
/* Store RETURN_VALUE in the just-returned register set. */
if (return_value != NULL)