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frame: add skip_tailcall_frames

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Add a new function skip_tailcall_frames to skip TAILCALL_FRAME frames.

gdb/
	* frame.h (skip_tailcall_frames): New.
	* frame.c (skip_tailcall_frames): New.
	(frame_pop): Call skip_tailcall_frames.
	* infcmd.c (finish_command): Call skip_tailcall_frames.
This commit is contained in:
Markus Metzger
2016-02-05 09:32:53 +01:00
parent 95c00d15cb
commit 2f3ef606b9
4 changed files with 24 additions and 4 deletions
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14
gdb/frame.c
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@@ -438,6 +438,17 @@ skip_artificial_frames (struct frame_info *frame)
return frame;
}
/* See frame.h. */
struct frame_info *
skip_tailcall_frames (struct frame_info *frame)
{
while (get_frame_type (frame) == TAILCALL_FRAME)
frame = get_prev_frame (frame);
return frame;
}
/* Compute the frame's uniq ID that can be used to, later, re-find the
frame. */
@@ -972,8 +983,7 @@ frame_pop (struct frame_info *this_frame)
/* Ignore TAILCALL_FRAME type frames, they were executed already before
entering THISFRAME. */
while (get_frame_type (prev_frame) == TAILCALL_FRAME)
prev_frame = get_prev_frame (prev_frame);
prev_frame = skip_tailcall_frames (prev_frame);
/* Make a copy of all the register values unwound from this frame.
Save them in a scratch buffer so that there isn't a race between