c3-lang/libffi/patches/win32-return-sign
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Hash : 3afaa9a3
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Date : 2012-04-03T07:40:31
Fix return_uc.c test case on windows.
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patches/win32-return-sign
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Index: libffi/ChangeLog =================================================================== --- libffi.orig/ChangeLog +++ libffi/ChangeLog @@ -1,3 +1,11 @@ +2012-04-02 Peter Rosin <peda@lysator.liu.se> + + * src/x86/win32.S (ffi_call_win32): Sign/zero extend the return + value in the Intel version as is already done for the AT&T version. + (ffi_closure_SYSV): Likewise. + (ffi_closure_raw_SYSV): Likewise. + (ffi_closure_STDCALL): Likewise. + 2012-03-29 Peter Rosin <peda@lysator.liu.se> * src/x86/win32.S (ffi_closure_raw_THISCALL): Unify the frame Index: libffi/src/x86/win32.S =================================================================== --- libffi.orig/src/x86/win32.S +++ libffi/src/x86/win32.S @@ -108,32 +108,37 @@ ca_jumpdata: dd offset ca_retfloat ;; FFI_TYPE_FLOAT dd offset ca_retdouble ;; FFI_TYPE_DOUBLE dd offset ca_retlongdouble ;; FFI_TYPE_LONGDOUBLE - dd offset ca_retint8 ;; FFI_TYPE_UINT8 - dd offset ca_retint8 ;; FFI_TYPE_SINT8 - dd offset ca_retint16 ;; FFI_TYPE_UINT16 - dd offset ca_retint16 ;; FFI_TYPE_SINT16 + dd offset ca_retuint8 ;; FFI_TYPE_UINT8 + dd offset ca_retsint8 ;; FFI_TYPE_SINT8 + dd offset ca_retuint16 ;; FFI_TYPE_UINT16 + dd offset ca_retsint16 ;; FFI_TYPE_SINT16 dd offset ca_retint ;; FFI_TYPE_UINT32 dd offset ca_retint ;; FFI_TYPE_SINT32 dd offset ca_retint64 ;; FFI_TYPE_UINT64 dd offset ca_retint64 ;; FFI_TYPE_SINT64 dd offset ca_epilogue ;; FFI_TYPE_STRUCT dd offset ca_retint ;; FFI_TYPE_POINTER - dd offset ca_retint8 ;; FFI_TYPE_SMALL_STRUCT_1B - dd offset ca_retint16 ;; FFI_TYPE_SMALL_STRUCT_2B + dd offset ca_retstruct1b ;; FFI_TYPE_SMALL_STRUCT_1B + dd offset ca_retstruct2b ;; FFI_TYPE_SMALL_STRUCT_2B dd offset ca_retint ;; FFI_TYPE_SMALL_STRUCT_4B dd offset ca_epilogue ;; FFI_TYPE_MS_STRUCT -ca_retint8: - ;; Load %ecx with the pointer to storage for the return value - mov ecx, rvalue - mov [ecx + 0], al - jmp ca_epilogue - -ca_retint16: - ;; Load %ecx with the pointer to storage for the return value - mov ecx, rvalue - mov [ecx + 0], ax - jmp ca_epilogue + /* Sign/zero extend as appropriate. */ +ca_retuint8: + movzx eax, al + jmp ca_retint + +ca_retsint8: + movsx eax, al + jmp ca_retint + +ca_retuint16: + movzx eax, ax + jmp ca_retint + +ca_retsint16: + movsx eax, ax + jmp ca_retint ca_retint: ;; Load %ecx with the pointer to storage for the return value @@ -166,6 +171,18 @@ ca_retlongdouble: fstp TBYTE PTR [ecx] jmp ca_epilogue +ca_retstruct1b: + ;; Load %ecx with the pointer to storage for the return value + mov ecx, rvalue + mov [ecx + 0], al + jmp ca_epilogue + +ca_retstruct2b: + ;; Load %ecx with the pointer to storage for the return value + mov ecx, rvalue + mov [ecx + 0], ax + jmp ca_epilogue + ca_epilogue: ;; Epilogue code is autogenerated. ret @@ -203,27 +220,35 @@ cs_jumpdata: dd offset cs_retfloat ;; FFI_TYPE_FLOAT dd offset cs_retdouble ;; FFI_TYPE_DOUBLE dd offset cs_retlongdouble ;; FFI_TYPE_LONGDOUBLE - dd offset cs_retint8 ;; FFI_TYPE_UINT8 - dd offset cs_retint8 ;; FFI_TYPE_SINT8 - dd offset cs_retint16 ;; FFI_TYPE_UINT16 - dd offset cs_retint16 ;; FFI_TYPE_SINT16 + dd offset cs_retuint8 ;; FFI_TYPE_UINT8 + dd offset cs_retsint8 ;; FFI_TYPE_SINT8 + dd offset cs_retuint16 ;; FFI_TYPE_UINT16 + dd offset cs_retsint16 ;; FFI_TYPE_SINT16 dd offset cs_retint ;; FFI_TYPE_UINT32 dd offset cs_retint ;; FFI_TYPE_SINT32 dd offset cs_retint64 ;; FFI_TYPE_UINT64 dd offset cs_retint64 ;; FFI_TYPE_SINT64 dd offset cs_retstruct ;; FFI_TYPE_STRUCT dd offset cs_retint ;; FFI_TYPE_POINTER - dd offset cs_retint8 ;; FFI_TYPE_SMALL_STRUCT_1B - dd offset cs_retint16 ;; FFI_TYPE_SMALL_STRUCT_2B + dd offset cs_retsint8 ;; FFI_TYPE_SMALL_STRUCT_1B + dd offset cs_retsint16 ;; FFI_TYPE_SMALL_STRUCT_2B dd offset cs_retint ;; FFI_TYPE_SMALL_STRUCT_4B dd offset cs_retmsstruct ;; FFI_TYPE_MS_STRUCT -cs_retint8: - mov al, [ecx] +cs_retuint8: + movzx eax, BYTE PTR [ecx] + jmp cs_epilogue + +cs_retsint8: + movsx eax, BYTE PTR [ecx] + jmp cs_epilogue + +cs_retuint16: + movzx eax, WORD PTR [ecx] jmp cs_epilogue -cs_retint16: - mov ax, [ecx] +cs_retsint16: + movsx eax, WORD PTR [ecx] jmp cs_epilogue cs_retint: @@ -305,27 +330,35 @@ cr_jumpdata: dd offset cr_retfloat ;; FFI_TYPE_FLOAT dd offset cr_retdouble ;; FFI_TYPE_DOUBLE dd offset cr_retlongdouble ;; FFI_TYPE_LONGDOUBLE - dd offset cr_retint8 ;; FFI_TYPE_UINT8 - dd offset cr_retint8 ;; FFI_TYPE_SINT8 - dd offset cr_retint16 ;; FFI_TYPE_UINT16 - dd offset cr_retint16 ;; FFI_TYPE_SINT16 + dd offset cr_retuint8 ;; FFI_TYPE_UINT8 + dd offset cr_retsint8 ;; FFI_TYPE_SINT8 + dd offset cr_retuint16 ;; FFI_TYPE_UINT16 + dd offset cr_retsint16 ;; FFI_TYPE_SINT16 dd offset cr_retint ;; FFI_TYPE_UINT32 dd offset cr_retint ;; FFI_TYPE_SINT32 dd offset cr_retint64 ;; FFI_TYPE_UINT64 dd offset cr_retint64 ;; FFI_TYPE_SINT64 dd offset cr_epilogue ;; FFI_TYPE_STRUCT dd offset cr_retint ;; FFI_TYPE_POINTER - dd offset cr_retint8 ;; FFI_TYPE_SMALL_STRUCT_1B - dd offset cr_retint16 ;; FFI_TYPE_SMALL_STRUCT_2B + dd offset cr_retsint8 ;; FFI_TYPE_SMALL_STRUCT_1B + dd offset cr_retsint16 ;; FFI_TYPE_SMALL_STRUCT_2B dd offset cr_retint ;; FFI_TYPE_SMALL_STRUCT_4B dd offset cr_epilogue ;; FFI_TYPE_MS_STRUCT -cr_retint8: - mov al, [ecx] +cr_retuint8: + movzx eax, BYTE PTR [ecx] jmp cr_epilogue -cr_retint16: - mov ax, [ecx] +cr_retsint8: + movsx eax, BYTE PTR [ecx] + jmp cr_epilogue + +cr_retuint16: + movzx eax, WORD PTR [ecx] + jmp cr_epilogue + +cr_retsint16: + movsx eax, WORD PTR [ecx] jmp cr_epilogue cr_retint: @@ -379,26 +412,34 @@ cd_jumpdata: dd offset cd_retfloat ;; FFI_TYPE_FLOAT dd offset cd_retdouble ;; FFI_TYPE_DOUBLE dd offset cd_retlongdouble ;; FFI_TYPE_LONGDOUBLE - dd offset cd_retint8 ;; FFI_TYPE_UINT8 - dd offset cd_retint8 ;; FFI_TYPE_SINT8 - dd offset cd_retint16 ;; FFI_TYPE_UINT16 - dd offset cd_retint16 ;; FFI_TYPE_SINT16 + dd offset cd_retuint8 ;; FFI_TYPE_UINT8 + dd offset cd_retsint8 ;; FFI_TYPE_SINT8 + dd offset cd_retuint16 ;; FFI_TYPE_UINT16 + dd offset cd_retsint16 ;; FFI_TYPE_SINT16 dd offset cd_retint ;; FFI_TYPE_UINT32 dd offset cd_retint ;; FFI_TYPE_SINT32 dd offset cd_retint64 ;; FFI_TYPE_UINT64 dd offset cd_retint64 ;; FFI_TYPE_SINT64 dd offset cd_epilogue ;; FFI_TYPE_STRUCT dd offset cd_retint ;; FFI_TYPE_POINTER - dd offset cd_retint8 ;; FFI_TYPE_SMALL_STRUCT_1B - dd offset cd_retint16 ;; FFI_TYPE_SMALL_STRUCT_2B + dd offset cd_retsint8 ;; FFI_TYPE_SMALL_STRUCT_1B + dd offset cd_retsint16 ;; FFI_TYPE_SMALL_STRUCT_2B dd offset cd_retint ;; FFI_TYPE_SMALL_STRUCT_4B -cd_retint8: - mov al, [ecx] +cd_retuint8: + movzx eax, BYTE PTR [ecx] + jmp cd_epilogue + +cd_retsint8: + movsx eax, BYTE PTR [ecx] + jmp cd_epilogue + +cd_retuint16: + movzx eax, WORD PTR [ecx] jmp cd_epilogue -cd_retint16: - mov ax, [ecx] +cd_retsint16: + movsx eax, WORD PTR [ecx] jmp cd_epilogue cd_retint: