gdb/gdb-6.3-framepczero-20040927.patch
2008-12-14 14:05:20 +00:00

29 lines
870 B
Diff

2004-09-27 Andrew Cagney <cagney@gnu.org>
* frame.c (get_prev_frame): Stop backtrace when a zero PC and
successive normal frames.
Index: gdb-6.8.50.20081128/gdb/frame.c
===================================================================
--- gdb-6.8.50.20081128.orig/gdb/frame.c 2008-12-04 01:34:37.000000000 +0100
+++ gdb-6.8.50.20081128/gdb/frame.c 2008-12-04 01:35:47.000000000 +0100
@@ -1566,6 +1566,18 @@ get_prev_frame (struct frame_info *this_
return NULL;
}
+ if (this_frame->level > 0
+#if 0
+ && backtrace_past_zero_pc
+#endif
+ && get_frame_type (this_frame) == NORMAL_FRAME
+ && get_frame_type (get_next_frame (this_frame)) == NORMAL_FRAME
+ && get_frame_pc (this_frame) == 0)
+ {
+ frame_debug_got_null_frame (this_frame, "zero PC");
+ return NULL;
+ }
+
return get_prev_frame_1 (this_frame);
}