From e7584f9a3e47cf22129728876d290ec6166f1de3 Mon Sep 17 00:00:00 2001
From: "KJK::Hyperion" <hackbunny@reactos.org>
Date: Wed, 12 Nov 2008 20:39:18 +0000
Subject: [PATCH] modified   include/reactos/libs/pseh/pseh2.h modified  
 lib/pseh/framebased-gcchack.c modified   lib/pseh/i386/framebased-gcchack.S  
  Implemented _SEH2_YIELD and _SEH2_LEAVE - 2.0 equivalents of _SEH_YIELD and
 _SEH_LEAVE, naturally

svn path=/trunk/; revision=37318
---
 reactos/include/reactos/libs/pseh/pseh2.h  | 12 ++++++++++++
 reactos/lib/pseh/framebased-gcchack.c      |  9 +++++++++
 reactos/lib/pseh/i386/framebased-gcchack.S |  5 +++++
 3 files changed, 26 insertions(+)

diff --git a/reactos/include/reactos/libs/pseh/pseh2.h b/reactos/include/reactos/libs/pseh/pseh2.h
index 4e24d334c8a..f980dbca5a0 100644
--- a/reactos/include/reactos/libs/pseh/pseh2.h
+++ b/reactos/include/reactos/libs/pseh/pseh2.h
@@ -340,6 +340,17 @@ _SEHTryLevel_t;
 #define _SEH2_GetExceptionPointers() ((struct _EXCEPTION_POINTERS *)_SEHExceptionPointers)
 #define _SEH2_GetExceptionCode() ((_SEHFrameP)->SF_Code)
 
+#define _SEH2_YIELD(STMT_) \
+	for(;;) \
+	{ \
+		if(!_SEHScopeKind) \
+			_SEH2Return(); \
+ \
+		STMT_; \
+	}
+
+#define _SEH2_LEAVE goto _SEHEndTry
+
 __SEH_END_SCOPE_CHAIN;
 
 #ifdef __cplusplus
@@ -349,6 +360,7 @@ extern "C"
 
 extern void __cdecl _SEH2EnterFrame(_SEHFrame_t *);
 extern void __cdecl _SEH2LeaveFrame(void);
+extern void __cdecl _SEH2Return(void);
 
 #ifdef __cplusplus
 }
diff --git a/reactos/lib/pseh/framebased-gcchack.c b/reactos/lib/pseh/framebased-gcchack.c
index caeb24fe798..0294113e39c 100644
--- a/reactos/lib/pseh/framebased-gcchack.c
+++ b/reactos/lib/pseh/framebased-gcchack.c
@@ -29,6 +29,8 @@
 
 #include <excpt.h>
 
+extern _SEHRegistration_t * __cdecl _SEH2CurrentRegistration(void);
+
 extern int __SEH2Except(void *, void *, void *);
 extern void __SEH2Finally(void *, void *);
 
@@ -156,4 +158,11 @@ void __cdecl _SEH2LeaveFrame()
 	);
 }
 
+extern
+void __cdecl _SEH2Return(void)
+{
+	_SEH2LocalUnwind(CONTAINING_RECORD(_SEH2CurrentRegistration(), _SEHFrame_t, SF_Registration), NULL);
+	_SEH2LeaveFrame();
+}
+
 /* EOF */
diff --git a/reactos/lib/pseh/i386/framebased-gcchack.S b/reactos/lib/pseh/i386/framebased-gcchack.S
index 81747c0dd13..ce36cf93c47 100644
--- a/reactos/lib/pseh/i386/framebased-gcchack.S
+++ b/reactos/lib/pseh/i386/framebased-gcchack.S
@@ -21,6 +21,11 @@
 .text
 .intel_syntax noprefix
 
+.globl __SEH2CurrentRegistration
+__SEH2CurrentRegistration:
+	mov eax, [fs:0]
+	ret
+
 .globl ___SEH2Except
 ___SEH2Except:
 	mov eax, [esp+4]