From 824344ca4f9765b5598aed2c11b6f3caf5cc77ba Mon Sep 17 00:00:00 2001
From: Markus Metzger <markus.t.metzger@intel.com>
Date: Mon, 18 Mar 2013 16:43:05 +0100
Subject: frame: do not assume unwinding will succeed
In get_frame_unwind_stop_reason, remove the assumption that further frame
unwinding will succeed.
gdb/
2013-02-11 Jan Kratochvil <jan.kratochvil@redhat.com>
* frame.c (get_frame_unwind_stop_reason): Unconditionally call
get_prev_frame_1.
---
gdb/frame.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
(limited to 'gdb/frame.c')
diff --git a/gdb/frame.c b/gdb/frame.c
index b72d5e4aad3..8cd607b5ba4 100644
--- a/gdb/frame.c
+++ b/gdb/frame.c
@@ -2522,13 +2522,10 @@ get_frame_sp (struct frame_info *this_frame)
enum unwind_stop_reason
get_frame_unwind_stop_reason (struct frame_info *frame)
{
- /* If we haven't tried to unwind past this point yet, then assume
- that unwinding would succeed. */
- if (frame->prev_p == 0)
- return UNWIND_NO_REASON;
+ /* Fill-in STOP_REASON. */
+ get_prev_frame_1 (frame);
+ gdb_assert (frame->prev_p);
- /* Otherwise, we set a reason when we succeeded (or failed) to
- unwind. */
return frame->stop_reason;
}
--
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