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path: root/jni/ruby/ext/fiddle/win32/libffi-3.2.1-mswin.patch
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diff -ru libffi-3.2.1/src/x86/ffi.c libffi-3.2.1/src/x86/ffi.c
--- libffi-3.2.1/src/x86/ffi.c  2014-11-08 21:47:24.000000000 +0900
+++ libffi-3.2.1/src/x86/ffi.c  2014-12-22 16:00:42.000000000 +0900
@@ -99,11 +99,13 @@
        i != 0;
        i--, p_arg += dir, p_argv += dir)
     {
+      size_t z;
+
       /* Align if necessary */
       if ((sizeof(void*) - 1) & (size_t) argp)
         argp = (char *) ALIGN(argp, sizeof(void*));
 
-      size_t z = (*p_arg)->size;
+      z = (*p_arg)->size;
 
 #ifdef X86_WIN64
       if (z > FFI_SIZEOF_ARG
@@ -599,11 +601,13 @@
        i != 0;
        i--, p_arg += dir, p_argv += dir)
     {
+      size_t z;
+
       /* Align if necessary */
       if ((sizeof(void*) - 1) & (size_t) argp)
         argp = (char *) ALIGN(argp, sizeof(void*));
 
-      size_t z = (*p_arg)->size;
+      z = (*p_arg)->size;
 
 #ifdef X86_WIN64
       if (z > FFI_SIZEOF_ARG
@@ -642,7 +646,7 @@
 #endif
     }
 
-  return (size_t)argp - (size_t)stack;
+  return (int)((size_t)argp - (size_t)stack);
 }
 
 #define FFI_INIT_TRAMPOLINE_WIN64(TRAMP,FUN,CTX,MASK) \
diff -ru libffi-3.2.1/src/x86/ffitarget.h libffi-3.2.1/src/x86/ffitarget.h
--- libffi-3.2.1/src/x86/ffitarget.h    2014-11-08 21:47:24.000000000 +0900
+++ libffi-3.2.1/src/x86/ffitarget.h    2014-12-22 15:45:54.000000000 +0900
@@ -50,7 +50,9 @@
 #endif
 
 #define FFI_TARGET_SPECIFIC_STACK_SPACE_ALLOCATION
+#ifndef _MSC_VER
 #define FFI_TARGET_HAS_COMPLEX_TYPE
+#endif
 
 /* ---- Generic type definitions ----------------------------------------- */
 
diff -ru libffi-3.2.1/src/x86/win64.S libffi-3.2.1/src/x86/win64.S
--- libffi-3.2.1/src/x86/win64.S        2014-11-08 21:47:24.000000000 +0900
+++ libffi-3.2.1/src/x86/win64.S        2014-12-22 16:14:40.000000000 +0900
@@ -127,7 +127,7 @@
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        mov     DWORD PTR [rcx], eax
-       jmp     ret_void$
+       jmp     SHORT ret_void$
 
 ret_struct2b$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_2B
@@ -135,7 +135,7 @@
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        mov     WORD PTR [rcx], ax
-       jmp     ret_void$
+       jmp     SHORT ret_void$
 
 ret_struct1b$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_1B
@@ -143,7 +143,7 @@
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        mov     BYTE PTR [rcx], al
-       jmp     ret_void$
+       jmp     SHORT ret_void$
 
 ret_uint8$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT8
@@ -152,7 +152,7 @@
        mov     rcx, QWORD PTR RVALUE[rbp]
        movzx   rax, al
        mov     QWORD PTR [rcx], rax
-       jmp     ret_void$
+       jmp     SHORT ret_void$
 
 ret_sint8$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT8
@@ -161,7 +161,7 @@
        mov     rcx, QWORD PTR RVALUE[rbp]
        movsx   rax, al
        mov     QWORD PTR [rcx], rax
-       jmp     ret_void$
+       jmp     SHORT ret_void$
 
 ret_uint16$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT16
@@ -188,7 +188,13 @@
        mov     rcx, QWORD PTR RVALUE[rbp]
        mov     eax, eax
        mov     QWORD PTR [rcx], rax
-       jmp     SHORT ret_void$
+
+ret_void$:
+       xor     rax, rax
+
+       lea     rsp, QWORD PTR [rbp+16]
+       pop     rbp
+       ret     0
 
 ret_sint32$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT32
@@ -247,13 +253,6 @@
        cdqe
        mov     QWORD PTR [rcx], rax
        jmp     SHORT ret_void$
-
-ret_void$:
-       xor     rax, rax
-
-       lea     rsp, QWORD PTR [rbp+16]
-       pop     rbp
-       ret     0
 ffi_call_win64 ENDP
 _TEXT  ENDS
 END