src/x86/win32.S: Define ffi_closure_FASTCALL in the MASM section, too

diff --git a/src/x86/win32.S b/src/x86/win32.S
index 699ea464be176ea0d98e650c30210dfb12f7dbd6..daf0e799ca46d6b34b850a17f431e690a27f9bd4 100644 (file)
--- a/src/x86/win32.S
+++ b/src/x86/win32.S
@@ -201,6 +201,15 @@ ffi_closure_THISCALL PROC NEAR
        jmp     ffi_closure_STDCALL
 ffi_closure_THISCALL ENDP
 
+ffi_closure_FASTCALL PROC NEAR
+       ;; Insert the register argument on the stack as the first argument
+       xchg    DWORD PTR [esp+4], edx
+       xchg    DWORD PTR [esp], ecx
+       push    edx
+       push    ecx
+       jmp     ffi_closure_STDCALL
+ffi_closure_FASTCALL ENDP
+
 ffi_closure_SYSV PROC NEAR FORCEFRAME
     ;; the ffi_closure ctx is passed in eax by the trampoline.