From: Ulrich Drepper <drepper@redhat.com>
Date: Thu, 12 Mar 1998 11:39:24 +0000 (+0000)
Subject: Fix race condition.
X-Git-Tag: cvs/before-sparc-2_0_x-branch~87
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5a9f6a6143883905aa61aee22b5b16aa41dba263;p=thirdparty%2Fglibc.git

Fix race condition.
---

diff --git a/sysdeps/i386/__longjmp.S b/sysdeps/i386/__longjmp.S
index cb33a89de15..652e513baaf 100644
--- a/sysdeps/i386/__longjmp.S
+++ b/sysdeps/i386/__longjmp.S
@@ -1,5 +1,5 @@
 /* longjmp for i386.
-Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -24,6 +24,8 @@ Cambridge, MA 02139, USA.  */
 ENTRY (__longjmp)
 	movl 4(%esp), %ecx	/* User's jmp_buf in %ecx.  */
 	movl 8(%esp), %eax	/* Second argument is return value.  */
+	/* Save the return address now.  */
+	movl (JB_PC*4)(%ecx), %edx
      	/* Restore registers.  */
 	movl (JB_BX*4)(%ecx), %ebx
 	movl (JB_SI*4)(%ecx), %esi
@@ -31,6 +33,5 @@ ENTRY (__longjmp)
 	movl (JB_BP*4)(%ecx), %ebp
 	movl (JB_SP*4)(%ecx), %esp
 	/* Jump to saved PC.  */
-     	movl (JB_PC*4)(%ecx), %ecx
-     	jmp *%ecx
+     	jmp *%edx
 END (__longjmp)