mockcpp/src/JmpCodeX64.h at master · github-my/mockcpp

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/***

mockcpp is a C/C++ mock framework.

[Chen Guodong <[email protected]>]

Licensed under the Apache License, Version 2.0 (the "License");

you may not use this file except in compliance with the License.

You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software

distributed under the License is distributed on an "AS IS" BASIS,

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

See the License for the specific language governing permissions and

limitations under the License.

***/

#ifndef __MOCKCPP_JMP_CODE_X64_H__

#define __MOCKCPP_JMP_CODE_X64_H__

// FF 25 : JMP /4 jmp absolute indirect

// bytes 2 ~ 5 : operand of jmp, relative to the memory that recorded the thunk addr. it should be zero.

// bytes 6 ~ 13 : the absolute addr of thunk.

const unsigned char jmpCodeTemplate[] =

{ 0xFF, 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };

#define SET_JMP_CODE(base, from, to) do { \

*(uintptr_t *)(base + 6) = (uintptr_t)to; \

} while(0)

#endif

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