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Added workaround for broken dlls that modify ebx in their entry point 

(reported by Christian Costa).
This commit is contained in:
Alexandre Julliard 2004-03-19 02:07:16 +00:00
parent 8387770064
commit a86a022256
1 changed files with 32 additions and 1 deletions
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33
dlls/ntdll/loader.c
View File

@ -127,6 +127,37 @@ inline static void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
while (len--) *dst++ = (unsigned char)*src++;
}
/*************************************************************************
* call_dll_entry_point
*
* Some brain-damaged dlls (ir32_32.dll for instance) modify ebx in
* their entry point, so we need a small asm wrapper.
*/
#ifdef __i386__
extern BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module, UINT reason, void *reserved );
__ASM_GLOBAL_FUNC(call_dll_entry_point,
"pushl %ebp\n\t"
"movl %esp,%ebp\n\t"
"pushl %ebx\n\t"
"pushl 20(%ebp)\n\t"
"pushl 16(%ebp)\n\t"
"pushl 12(%ebp)\n\t"
"movl 8(%ebp),%eax\n\t"
"call *%eax\n\t"
"leal -4(%ebp),%esp\n\t"
"popl %ebx\n\t"
"popl %ebp\n\t"
"ret" );
#else /* __i386__ */
static inline BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module,
UINT reason, void *reserved )
{
return proc( module, reason, reserved );
}
#endif /* __i386__ */
/*************************************************************************
* get_modref
*
@ -690,7 +721,7 @@ static BOOL MODULE_InitDLL( WINE_MODREF *wm, UINT reason, LPVOID lpReserved )
else TRACE("(%p %s,%s,%p) - CALL\n", module, debugstr_w(wm->ldr.BaseDllName.Buffer),
reason_names[reason], lpReserved );
retv = entry( module, reason, lpReserved );
retv = call_dll_entry_point( entry, module, reason, lpReserved );
/* The state of the module list may have changed due to the call
to the dll. We cannot assume that this module has not been