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[PATCH]
- From: Maxim Grigoriev <maxim at tensilica dot com>
- To: <gdb-patches at sourceware dot org>
- Date: Tue, 5 May 2009 17:35:49 -0700
- Subject: [PATCH]
This patch fixes Xtensa backtrace which is broken
when frame_func_unwind () returns bad value.
-- Maxim
2009-05-05 Maxim Grigoriev <maxim2405@gmail.com>
* xtensa-tdep.c (xtensa_frame_cache): Use pc instead of cache->pc.
Index: gdb/xtensa-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/xtensa-tdep.c,v
retrieving revision 1.33
diff -u -r1.33 xtensa-tdep.c
--- gdb/xtensa-tdep.c 17 Apr 2009 15:44:28 -0000 1.33
+++ gdb/xtensa-tdep.c 6 May 2009 00:28:01 -0000
@@ -1242,7 +1242,7 @@
cache->wd.ws = ws & ~(1 << wb);
cache->pc = get_frame_func (this_frame);
- cache->ra = (cache->pc & 0xc0000000) | (ra & 0x3fffffff);
+ cache->ra = (pc & 0xc0000000) | (ra & 0x3fffffff);
cache->ps = (ps & ~PS_CALLINC_MASK)
| ((WINSIZE(ra)/4) << PS_CALLINC_SHIFT);
}