gdb/gdb-6.3-framepczero-20040927.patch

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2004-12-02 18:30:25 +00:00
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/frame.c
===================================================================
RCS file: /cvs/src/src/gdb/frame.c,v
retrieving revision 1.191
diff -p -u -r1.191 frame.c
--- ./gdb/frame.c 1 Sep 2004 14:13:33 -0000 1.191
+++ ./gdb/frame.c 28 Sep 2004 02:45:58 -0000
@@ -1235,6 +1235,18 @@ 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 (gdb_stdlog, this_frame, "zero PC");
+ return NULL;
+ }
+
return get_prev_frame_1 (this_frame);
}