[PATCH 4/5] msvcrt: Avoid using inline assembly in call_unwind_func().

Zebediah Figura zfigura at codeweavers.com
Mon Jun 4 17:23:35 CDT 2018


Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
 dlls/msvcrt/except_i386.c | 32 ++++++++++++++------------------
 1 file changed, 14 insertions(+), 18 deletions(-)

diff --git a/dlls/msvcrt/except_i386.c b/dlls/msvcrt/except_i386.c
index 29540cd..42212c9 100644
--- a/dlls/msvcrt/except_i386.c
+++ b/dlls/msvcrt/except_i386.c
@@ -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 int call_unwind_func( int (*func)(void), void *ebp );
+
+__ASM_GLOBAL_FUNC( call_unwind_func,
+                   "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 )
 {
-- 
2.7.4




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