From: Ulrich Weigand <uweigand@de.ibm.com>
Date: Wed, 3 Sep 2008 19:19:42 +0000 (+0000)
Subject: 	* spu-tdep.c (spu_frame_unwind_cache): Do not attempt to unwind
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c4891da7f9acc20edcc7b8ba551c44efd79b199c;p=binutils-gdb.git

	* spu-tdep.c (spu_frame_unwind_cache): Do not attempt to unwind
	SP or return address if we failed to find a valid frame.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 0aa10518327..a52ce2ec2ac 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2008-09-03  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* spu-tdep.c (spu_frame_unwind_cache): Do not attempt to unwind
+	SP or return address if we failed to find a valid frame.
+
 2008-09-03  Aleksandar Ristovski  <aristovski@qnx.com>
 
 	* breakpoint.c (breakpoint_init_inferior): Mark as not inserted only
diff --git a/gdb/spu-tdep.c b/gdb/spu-tdep.c
index 6e2fdb7212e..b016d4ba79e 100644
--- a/gdb/spu-tdep.c
+++ b/gdb/spu-tdep.c
@@ -910,6 +910,10 @@ spu_frame_unwind_cache (struct frame_info *this_frame,
 	}
     }
 
+  /* If we didn't find a frame, we cannot determine SP / return address.  */
+  if (info->frame_base == 0)
+    return info;
+
   /* The previous SP is equal to the CFA.  */
   trad_frame_set_value (info->saved_regs, SPU_SP_REGNUM, info->frame_base);