mirror of
git://source.winehq.org/git/wine.git
synced 2024-09-01 20:53:38 +00:00
ntdll: Preserve rbx register when calling DLL entry point on x64.
This commit is contained in:
parent
a3de8d191b
commit
7527869fe8
|
@ -264,7 +264,7 @@ void WINAPI RtlGetUnloadEventTraceEx(ULONG **size, ULONG **count, void **trace)
|
|||
* that only modifying esi leads to a crash, so use this one to backup
|
||||
* ebp while running the dll entry proc.
|
||||
*/
|
||||
#ifdef __i386__
|
||||
#if defined(__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"
|
||||
|
@ -298,13 +298,36 @@ __ASM_GLOBAL_FUNC(call_dll_entry_point,
|
|||
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
|
||||
__ASM_CFI(".cfi_same_value %ebp\n\t")
|
||||
"ret" )
|
||||
#else /* __i386__ */
|
||||
#elif defined(__x86_64__)
|
||||
extern BOOL CDECL call_dll_entry_point( DLLENTRYPROC proc, void *module, UINT reason, void *reserved );
|
||||
/* Some apps modify rbx in TLS entry point. */
|
||||
__ASM_GLOBAL_FUNC(call_dll_entry_point,
|
||||
"pushq %rbx\n\t"
|
||||
__ASM_SEH(".seh_pushreg %rbx\n\t")
|
||||
__ASM_CFI(".cfi_adjust_cfa_offset 8\n\t")
|
||||
__ASM_CFI(".cfi_rel_offset %rbx,0\n\t")
|
||||
"subq $48,%rsp\n\t"
|
||||
__ASM_SEH(".seh_stackalloc 48\n\t")
|
||||
__ASM_SEH(".seh_endprologue\n\t")
|
||||
__ASM_CFI(".cfi_adjust_cfa_offset 48\n\t")
|
||||
"mov %rcx,%r10\n\t"
|
||||
"mov %rdx,%rcx\n\t"
|
||||
"mov %r8d,%edx\n\t"
|
||||
"mov %r9,%r8\n\t"
|
||||
"call *%r10\n\t"
|
||||
"addq $48,%rsp\n\t"
|
||||
__ASM_CFI(".cfi_adjust_cfa_offset -48\n\t")
|
||||
"popq %rbx\n\t"
|
||||
__ASM_CFI(".cfi_adjust_cfa_offset -8\n\t")
|
||||
__ASM_CFI(".cfi_same_value %rbx\n\t")
|
||||
"ret" )
|
||||
#else
|
||||
static inline BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module,
|
||||
UINT reason, void *reserved )
|
||||
{
|
||||
return proc( module, reason, reserved );
|
||||
}
|
||||
#endif /* __i386__ */
|
||||
#endif
|
||||
|
||||
|
||||
#if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)
|
||||
|
|
Loading…
Reference in a new issue