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modified include/reactos/libs/pseh/pseh2.h

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Did you know gcc doesn't let PSEH deter it from inlining a function? Allocate the frame with __builtin_alloca so that this doesn't cause issues

svn path=/trunk/; revision=38476
This commit is contained in:
KJK::Hyperion 2008-12-30 20:02:03 +00:00
parent a1ffc8d05a
commit 25225baded
1 changed files with 9 additions and 7 deletions
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16
reactos/include/reactos/libs/pseh/pseh2.h
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@ -135,9 +135,6 @@ void * _SEHClosureFromTrampoline(_SEHTrampoline_t * trampoline_)
#define ___SEH_STRINGIFY(X_) # X_
#define __SEH_STRINGIFY(X_) ___SEH_STRINGIFY(X_)
#define __SEH_FORCE_NEST \
__asm__ __volatile__("#%0" : : "r" (&_SEHFrame))
#define __SEH_EXCEPT_RET long
#define __SEH_EXCEPT_ARGS __attribute__((unused)) _SEH2Frame_t * _SEH2FrameP, __attribute__((unused)) struct _EXCEPTION_POINTERS * _SEHExceptionInformation
#define __SEH_EXCEPT_ARGS_ , __SEH_EXCEPT_ARGS
@ -202,14 +199,16 @@ void * _SEHClosureFromTrampoline(_SEHTrampoline_t * trampoline_)
__label__ _SEHDoTry; \
__label__ _SEHAfterTry; \
static const int _SEH2ScopeKind = 0; \
_SEH2Frame_t _SEHFrame; \
volatile _SEH2TryLevel_t _SEHTryLevel; \
_SEH2Frame_t * const _SEH2FrameP = _SEHTopTryLevel ? &_SEHFrame : _SEHCurFrameP; \
void * _SEHStackPointer; \
volatile _SEH2TryLevel_t * const _SEH2TryLevelP = &_SEHTryLevel; \
_SEH2Frame_t * const _SEH2FrameP = _SEHTopTryLevel ? \
({ __asm__ __volatile__("mov %%esp, %0" : "=g" (_SEHStackPointer)); __builtin_alloca(sizeof(_SEH2Frame_t)); }) : \
_SEHCurFrameP; \
\
(void)_SEH2ScopeKind; \
(void)_SEHFrame; \
(void)_SEHTryLevel; \
(void)_SEHStackPointer; \
(void)_SEH2FrameP; \
(void)_SEH2TryLevelP; \
\
@ -220,7 +219,7 @@ void * _SEHClosureFromTrampoline(_SEHTrampoline_t * trampoline_)
__SEH_ENTER_TRYLEVEL(); \
\
if(_SEHTopTryLevel) \
_SEH2EnterFrame(&_SEHFrame); \
_SEH2EnterFrame(_SEH2FrameP); \
#define __SEH_END_SCOPE \
} \
@ -346,7 +345,10 @@ void * _SEHClosureFromTrampoline(_SEHTrampoline_t * trampoline_)
\
_SEHAfterTry:; \
if(_SEHTopTryLevel) \
{ \
_SEH2LeaveFrame(); \
__asm__ __volatile__("mov %0, %%esp" : : "g" (_SEHStackPointer)); \
} \
else \
{ \
__SEH_LEAVE_TRYLEVEL(); \