From 99909eb6184b62408d88b6b4e7ab38e84e6d0bf3 Mon Sep 17 00:00:00 2001
From: Josh Triplett <josh@joshtriplett.org>
Date: Tue, 22 Apr 2014 21:17:52 -0700
Subject: [PATCH] src/x86/win32.S: Define ffi_closure_FASTCALL in the MASM
 section, too

---
 src/x86/win32.S | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/x86/win32.S b/src/x86/win32.S
index 699ea464..daf0e799 100644
--- 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.