binutils/bso13449.diff

    PR gas/13449
    * config/tc-arm.c (create_unwind_entry): Zero allocated table
    entries.

===================================================================
RCS file: /cvs/src/src/gas/config/tc-arm.c,v
retrieving revision 1.511
retrieving revision 1.512
diff -u -r1.511 -r1.512
--- src/gas/config/tc-arm.c	2011/12/07 16:58:34	1.511
+++ src/gas/config/tc-arm.c	2011/12/15 10:21:49	1.512
@@ -3540,6 +3540,7 @@
   record_alignment (now_seg, 2);
 
   ptr = frag_more (8);
+  memset (ptr, 0, 8);
   where = frag_now_fix () - 8;
 
   /* Self relative offset of the function start.  */
@@ -19926,8 +19927,12 @@
 	size = unwind.opcode_count - 2;
     }
   else
-    /* An extra byte is required for the opcode count.	*/
-    size = unwind.opcode_count + 1;
+    {
+      gas_assert (unwind.personality_index == -1);
+
+      /* An extra byte is required for the opcode count.	*/
+      size = unwind.opcode_count + 1;
+    }
 
   size = (size + 3) >> 2;
   if (size > 0xff)
@@ -19953,7 +19958,7 @@
       ptr += 4;
 
       /* Set the first byte to the number of additional words.	*/
-      data = size - 1;
+      data = size > 0 ? size - 1 : 0;
       n = 3;
       break;
 
===================================================================
RCS file: /cvs/src/src/gas/config/tc-arm.c,v
retrieving revision 1.512
retrieving revision 1.513
diff -u -r1.512 -r1.513
--- src/gas/config/tc-arm.c	2011/12/15 10:21:49	1.512
+++ src/gas/config/tc-arm.c	2011/12/21 17:07:26	1.513
@@ -19944,6 +19944,8 @@
 
   /* Allocate the table entry.	*/
   ptr = frag_more ((size << 2) + 4);
+  /* PR 13449: Zero the table entries in case some of them are not used.  */
+  memset (ptr, 0, (size << 2) + 4);
   where = frag_now_fix () - ((size << 2) + 4);
 
   switch (unwind.personality_index)