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riched20: Implement MSVC asm wrappers. 

Signed-off-by: Thomas Faber <thomas.faber@reactos.org>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Thomas Faber 2019-03-15 09:37:01 +01:00 committed by Alexandre Julliard
parent b5058ada58
commit b64511c00a
2 changed files with 35 additions and 0 deletions
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23
dlls/riched20/txthost.c
View File

@ -502,6 +502,16 @@ DECLSPEC_HIDDEN HRESULT WINAPI ITextHostImpl_TxGetSelectionBarWidth(ITextHost *i
#ifdef __i386__ /* thiscall functions are i386-specific */
#define THISCALL(func) (void *) __thiscall_ ## func
#ifdef _MSC_VER
#define DEFINE_THISCALL_WRAPPER(func,args) \
__declspec(naked) HRESULT __thiscall_##func(void) \
{ \
__asm pop eax \
__asm push ecx \
__asm push eax \
__asm jmp func \
}
#else /* _MSC_VER */
#define DEFINE_THISCALL_WRAPPER(func,args) \
extern HRESULT __thiscall_ ## func(void); \
__ASM_GLOBAL_FUNC(__thiscall_ ## func, \
@ -509,6 +519,7 @@ DECLSPEC_HIDDEN HRESULT WINAPI ITextHostImpl_TxGetSelectionBarWidth(ITextHost *i
"pushl %ecx\n\t" \
"pushl %eax\n\t" \
"jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
#endif /* _MSC_VER */
#else /* __i386__ */
@ -560,6 +571,17 @@ DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetSelectionBarWidth,8)
#ifdef __i386__ /* thiscall functions are i386-specific */
#define STDCALL(func) (void *) __stdcall_ ## func
#ifdef _MSC_VER
#define DEFINE_STDCALL_WRAPPER(num,func,args) \
__declspec(naked) HRESULT __stdcall_##func(void) \
{ \
__asm pop eax \
__asm pop ecx \
__asm push eax \
__asm mov eax, [ecx] \
__asm jmp dword ptr [eax + 4*num] \
}
#else /* _MSC_VER */
#define DEFINE_STDCALL_WRAPPER(num,func,args) \
extern HRESULT __stdcall_ ## func(void); \
__ASM_GLOBAL_FUNC(__stdcall_ ## func, \
@ -568,6 +590,7 @@ DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetSelectionBarWidth,8)
"pushl %eax\n\t" \
"movl (%ecx), %eax\n\t" \
"jmp *(4*(" #num "))(%eax)" )
#endif /* _MSC_VER */
DEFINE_STDCALL_WRAPPER(3,ITextHostImpl_TxGetDC,4)
DEFINE_STDCALL_WRAPPER(4,ITextHostImpl_TxReleaseDC,8)

12
dlls/riched20/txtsrv.c
View File

@ -36,6 +36,16 @@
#ifdef __i386__ /* thiscall functions are i386-specific */
#define THISCALL(func) (void *) __thiscall_ ## func
#ifdef _MSC_VER
#define DEFINE_THISCALL_WRAPPER(func,args) \
__declspec(naked) HRESULT __thiscall_##func(void) \
{ \
__asm pop eax \
__asm push ecx \
__asm push eax \
__asm jmp func \
}
#else /* _MSC_VER */
#define DEFINE_THISCALL_WRAPPER(func,args) \
extern HRESULT __thiscall_ ## func(void); \
__ASM_GLOBAL_FUNC(__thiscall_ ## func, \
@ -43,6 +53,8 @@
"pushl %ecx\n\t" \
"pushl %eax\n\t" \
"jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
#endif /* _MSC_VER */
#else /* __i386__ */
#define THISCALL(func) func