[hyperion] 37606: Fixed _SEH2_EXCEPT

Author: hyperion
Date: Sun Nov 23 21:00:50 2008
New Revision: 37606

URL: http://svn.reactos.org/svn/reactos?rev=37606&view=rev
Log:
Fixed _SEH2_EXCEPT

Modified:
    trunk/reactos/include/reactos/libs/pseh/pseh2.h

Modified: trunk/reactos/include/reactos/libs/pseh/pseh2.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/include/reactos/libs/pseh/p...
==============================================================================
--- trunk/reactos/include/reactos/libs/pseh/pseh2.h [iso-8859-1] (original)
+++ trunk/reactos/include/reactos/libs/pseh/pseh2.h [iso-8859-1] Sun Nov 23 21:00:50 2008
@@ -94,6 +94,12 @@
 /* Soft memory barrier */
 #define __SEH_BARRIER __asm__ __volatile__("#":::"memory")

+/* GCC doesn't know that this equals zero */
+#define __SEH_ZERO ({ int zero = 0; __asm__ __volatile__("#" : "+g" (zero)); zero; })
+
+#define __SEH_FALSE __builtin_expect(__SEH_ZERO, 0)
+#define __SEH_TRUE  __builtin_expect(!__SEH_ZERO, 1)
+
 typedef struct __SEH2Registration
 {
    struct __SEH2Registration * SER_Prev;
@@ -251,7 +257,7 @@
    	__SEH_USE_NESTED_FUNCTION(_SEHFinally); \
  \
    	_SEHTryLevel.ST_FramePointer = _SEHClosureFromTrampoline((_SEHTrampoline_t *)&_SEHFinally); \
-		_SEHTryLevel.ST_Filter = NULL; \
+		_SEHTryLevel.ST_Filter = 0; \
    	_SEHTryLevel.ST_Body = _SEHFunctionFromTrampoline((_SEHTrampoline_t *)&_SEHFinally); \
  \
    	goto _SEHDoTry; \
@@ -318,8 +324,11 @@
    	{ \
    		__SEH_LEAVE_TRYLEVEL(); \
    	} \
-\
-		goto _SEHEndExcept; \
+ \
+		if(__SEH_FALSE) \
+			goto _SEHBeginExcept; \
+		else \
+			goto _SEHEndExcept; \
 \
    	_SEHBeginExcept: __SEH_SIDE_EFFECT; \
    	{ \