From 07d84bf656abf3c7b0e6be5f6170e41d70094a52 Mon Sep 17 00:00:00 2001
From: Marcus Meissner <marcus@jet.franken.de>
Date: Mon, 25 Sep 2006 06:43:41 +0200
Subject: [PATCH] ntdll: Avoid ebx being clobbered in exception handler.

---
 dlls/ntdll/signal_i386.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/ntdll/signal_i386.c b/dlls/ntdll/signal_i386.c
index 6ff7e39ba89..44f47ecd33b 100644
--- a/dlls/ntdll/signal_i386.c
+++ b/dlls/ntdll/signal_i386.c
@@ -1481,7 +1481,7 @@ __ASM_GLOBAL_FUNC( DbgUserBreakPoint, "int $3; ret");
 __ASM_GLOBAL_FUNC( EXC_CallHandler,
 "	pushl	%ebp\n"
 "	movl	%esp, %ebp\n"
-"	subl    $4,%esp\n"
+"	pushl	%ebx\n"
 "	movl	28(%ebp), %edx\n" /* ugly hack to pass the 6th param needed because of Shrinker */
 "	pushl	24(%ebp)\n"
 "	pushl	20(%ebp)\n"
@@ -1489,6 +1489,7 @@ __ASM_GLOBAL_FUNC( EXC_CallHandler,
 "	pushl	12(%ebp)\n"
 "	pushl	8(%ebp)\n"
 "	call	" __ASM_NAME("call_exception_handler") "\n"
+"	popl	%ebx\n"
 "	leave\n"
 "	ret\n"
 );