Signed-off-by: Zebediah Figura zfigura@codeweavers.com --- v2: rename to call_handler() and use void * as return type. dlls/msvcrt/except_i386.c | 38 +++++++++++++++++--------------------- 1 file changed, 17 insertions(+), 21 deletions(-)
diff --git a/dlls/msvcrt/except_i386.c b/dlls/msvcrt/except_i386.c index 29540cd..3f22f3e 100644 --- a/dlls/msvcrt/except_i386.c +++ b/dlls/msvcrt/except_i386.c @@ -107,7 +107,7 @@ typedef struct _SCOPETABLE { int previousTryLevel; int (*lpfnFilter)(PEXCEPTION_POINTERS); - int (*lpfnHandler)(void); + void * (*lpfnHandler)(void); } SCOPETABLE, *PSCOPETABLE;
typedef struct _MSVCRT_EXCEPTION_FRAME @@ -198,24 +198,20 @@ __ASM_GLOBAL_FUNC( call_filter, "popl %ebp\n\t" "ret" );
-static inline int call_unwind_func( int (*func)(void), void *ebp ) -{ - int ret; - __asm__ __volatile__ ("pushl %%ebp\n\t" - "pushl %%ebx\n\t" - "pushl %%esi\n\t" - "pushl %%edi\n\t" - "movl %2,%%ebp\n\t" - "call *%0\n\t" - "popl %%edi\n\t" - "popl %%esi\n\t" - "popl %%ebx\n\t" - "popl %%ebp" - : "=a" (ret) - : "0" (func), "r" (ebp) - : "ecx", "edx", "memory" ); - return ret; -} +extern void *call_handler( void * (*func)(void), void *ebp ); + +__ASM_GLOBAL_FUNC( call_handler, + "pushl %ebp\n\t" + "pushl %ebx\n\t" + "pushl %esi\n\t" + "pushl %edi\n\t" + "movl 24(%esp), %ebp\n\t" + "call *20(%esp)\n\t" + "popl %edi\n\t" + "popl %esi\n\t" + "popl %ebx\n\t" + "popl %ebp\n\t" + "ret" );
static inline void dump_type( const cxx_type_info *type ) { @@ -806,7 +802,7 @@ static void msvcrt_local_unwind2(MSVCRT_EXCEPTION_FRAME* frame, int trylevel, vo { TRACE( "__try block cleanup level %d handler %p ebp %p\n", level, frame->scopetable[level].lpfnHandler, ebp ); - call_unwind_func( frame->scopetable[level].lpfnHandler, ebp ); + call_handler( frame->scopetable[level].lpfnHandler, ebp ); } } __wine_pop_frame(®); @@ -833,7 +829,7 @@ static void msvcrt_local_unwind4( ULONG *cookie, MSVCRT_EXCEPTION_FRAME* frame, { TRACE( "__try block cleanup level %d handler %p ebp %p\n", level, scopetable->entries[level].lpfnHandler, ebp ); - call_unwind_func( scopetable->entries[level].lpfnHandler, ebp ); + call_handler( scopetable->entries[level].lpfnHandler, ebp ); } } __wine_pop_frame(®);
Signed-off-by: Zebediah Figura zfigura@codeweavers.com --- dlls/msvcrt/except_i386.c | 28 ++++++---------------------- 1 file changed, 6 insertions(+), 22 deletions(-)
diff --git a/dlls/msvcrt/except_i386.c b/dlls/msvcrt/except_i386.c index 3f22f3e..5812d10 100644 --- a/dlls/msvcrt/except_i386.c +++ b/dlls/msvcrt/except_i386.c @@ -59,7 +59,7 @@ typedef struct __catchblock_info UINT flags; /* flags (see below) */ const type_info *type_info; /* C++ type caught by this block */ int offset; /* stack offset to copy exception object to */ - void (*handler)(void);/* catch block handler code */ + void * (*handler)(void);/* catch block handler code */ } catchblock_info; #define TYPE_FLAG_CONST 1 #define TYPE_FLAG_VOLATILE 2 @@ -78,8 +78,8 @@ typedef struct __tryblock_info /* info about the unwind handler for a given trylevel */ typedef struct __unwind_info { - int prev; /* prev trylevel unwind handler, to run after this one */ - void (*handler)(void);/* unwind handler */ + int prev; /* prev trylevel unwind handler, to run after this one */ + void * (*handler)(void);/* unwind handler */ } unwind_info;
/* descriptor of all try blocks of a given function */ @@ -137,22 +137,6 @@ DWORD CDECL cxx_frame_handler( PEXCEPTION_RECORD rec, cxx_exception_frame* frame const cxx_function_descr *descr, EXCEPTION_REGISTRATION_RECORD* nested_frame, int nested_trylevel ) DECLSPEC_HIDDEN;
-/* call a function with a given ebp */ -static inline void *call_ebp_func( void *func, void *ebp ) -{ - void *ret; - int dummy; - __asm__ __volatile__ ("pushl %%ebx\n\t" - "pushl %%ebp\n\t" - "movl %4,%%ebp\n\t" - "call *%%eax\n\t" - "popl %%ebp\n\t" - "popl %%ebx" - : "=a" (ret), "=S" (dummy), "=D" (dummy) - : "0" (func), "1" (ebp) : "ecx", "edx", "memory" ); - return ret; -} - /* call a copy constructor */ extern void call_copy_ctor( void *func, void *this, void *src, int has_vbase );
@@ -326,7 +310,7 @@ static void copy_exception( void *object, cxx_exception_frame *frame, /* unwind the local function up to a given trylevel */ static void cxx_local_unwind( cxx_exception_frame* frame, const cxx_function_descr *descr, int last_level) { - void (*handler)(void); + void * (*handler)(void); int trylevel = frame->trylevel;
while (trylevel != last_level) @@ -341,7 +325,7 @@ static void cxx_local_unwind( cxx_exception_frame* frame, const cxx_function_des { TRACE( "calling unwind handler %p trylevel %d last %d ebp %p\n", handler, trylevel, last_level, &frame->ebp ); - call_ebp_func( handler, &frame->ebp ); + call_handler( handler, &frame->ebp ); } trylevel = descr->unwind_table[trylevel].prev; } @@ -478,7 +462,7 @@ static inline void call_catch_block( PEXCEPTION_RECORD rec, CONTEXT *context, nested_frame.trylevel = nested_trylevel + 1;
__wine_push_frame( &nested_frame.frame ); - addr = call_ebp_func( catchblock->handler, &frame->ebp ); + addr = call_handler( catchblock->handler, &frame->ebp ); __wine_pop_frame( &nested_frame.frame );
((DWORD*)frame)[-1] = save_esp;
Signed-off-by: Piotr Caban piotr@codeweavers.com
-
Piotr Caban -
Zebediah Figura