1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef CODE_SIGN_JIT_CODE_SIGNER_HYBRID_H
17 #define CODE_SIGN_JIT_CODE_SIGNER_HYBRID_H
18 
19 #include <queue>
20 #include <vector>
21 #include "jit_code_signer_base.h"
22 
23 namespace OHOS {
24 namespace Security {
25 namespace CodeSign {
26 
27 class JitCodeSignerHybrid : public JitCodeSignerBase {
28 public:
29     JitCodeSignerHybrid();
~JitCodeSignerHybrid()30     ~JitCodeSignerHybrid() {}
31     void Reset();
32     void SignInstruction(Instr insn);
33     void SkipNext(uint32_t n);
34     int32_t PatchInstruction(int offset, Instr insn);
35     int32_t ValidateCodeCopy(Instr *jitMemory, Byte *jitBuffer, int size);
36 private:
37     int32_t ValidateSubCode(Instr *jitMemory, PACSignCtx &verifyCtx,
38         Byte *jitBuffer, int pos, int size);
39 
40     std::vector<int> skippedOffset_;
41     uint32_t skipSize_;
42     bool ctxInited_;
43 };
44 }
45 }
46 }
47 #endif