From: Benjamin Kosnik <bkoz@redhat.com>
Date: Tue, 7 Jan 2003 20:36:11 +0000 (+0000)
Subject: re PR libstdc++/9076 (Call Frame Instructions are not handled correctly during unwind... 
X-Git-Tag: releases/gcc-3.2.2~131
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ed975d7e61071192b337c4a3e8c6db960af65e2;p=thirdparty%2Fgcc.git

re PR libstdc++/9076 (Call Frame Instructions are not handled correctly during unwind operation..)


2003-01-07  Benjamin Kosnik  <bkoz@redhat.com>
            Sunil Davasam  <sunil.k.davasam@intel.com>

        PR libstdc++/9076
        * unwind-dw2.c (execute_cfa_program): DW_CFA_undefined,
        DW_CFA_same_value, read next and ignore.

Co-Authored-By: Sunil Davasam <sunil.k.davasam@intel.com>

From-SVN: r61012
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2bec1388b801..c9eaded12b9b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2003-01-07  Benjamin Kosnik  <bkoz@redhat.com>
+            Sunil Davasam  <sunil.k.davasam@intel.com>
+
+        PR libstdc++/9076 
+        * unwind-dw2.c (execute_cfa_program): DW_CFA_undefined,
+        DW_CFA_same_value, read next and ignore.
+
 2003-01-07  Richard Henderson  <rth@redhat.com>
 
 	* cfganal.c (flow_call_edges_add): Don't crash on noreturn call.
diff --git a/gcc/unwind-dw2.c b/gcc/unwind-dw2.c
index d3828e97ad4e..8151d69c25b3 100644
--- a/gcc/unwind-dw2.c
+++ b/gcc/unwind-dw2.c
@@ -1,5 +1,5 @@
 /* DWARF2 exception handling and frame unwind runtime interface routines.
-   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
    Free Software Foundation, Inc.
 
    This file is part of GCC.
@@ -769,6 +769,9 @@ execute_cfa_program (const unsigned char *insn_ptr,
 
 	case DW_CFA_undefined:
 	case DW_CFA_same_value:
+	  insn_ptr = read_uleb128 (insn_ptr, &reg);
+	  break;
+
 	case DW_CFA_nop:
 	  break;