1 /* 2 * Copyright (c) 2021-2022 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 #ifndef DFX_REGS_H 16 #define DFX_REGS_H 17 18 #include <cstdint> 19 #include <string> 20 #include <sys/types.h> 21 #include <ucontext.h> 22 #include <vector> 23 #include "dfx_define.h" 24 #include "dfx_util.h" 25 26 namespace OHOS { 27 namespace HiviewDFX { 28 class DfxRegs { 29 public: 30 DfxRegs() = default; ~DfxRegs()31 virtual ~DfxRegs() {}; GetRegsData()32 std::vector<uintptr_t> GetRegsData() const 33 { 34 return regsData_; 35 } 36 virtual std::string PrintRegs() const = 0; 37 virtual std::string GetSpecialRegisterName(uintptr_t val) const = 0; 38 virtual uintptr_t GetPC() const = 0; 39 virtual uintptr_t GetLR() const = 0; SetRegs(const std::vector<uintptr_t> & regs)40 void SetRegs(const std::vector<uintptr_t>& regs) 41 { 42 regsData_ = regs; 43 } 44 protected: 45 std::vector<uintptr_t> regsData_ {}; 46 }; 47 48 class DfxRegsArm : public DfxRegs { 49 public: 50 explicit DfxRegsArm(const ucontext_t &context); ~DfxRegsArm()51 ~DfxRegsArm() override {}; 52 std::string PrintRegs() const override; 53 std::string GetSpecialRegisterName(uintptr_t val) const override; 54 uintptr_t GetPC() const override; 55 uintptr_t GetLR() const override; 56 private: 57 DfxRegsArm() = delete; 58 }; 59 60 class DfxRegsArm64 : public DfxRegs { 61 public: 62 explicit DfxRegsArm64(const ucontext_t &context); ~DfxRegsArm64()63 ~DfxRegsArm64() override {}; 64 std::string PrintRegs() const override; 65 std::string GetSpecialRegisterName(uintptr_t val) const override; 66 uintptr_t GetPC() const override; 67 uintptr_t GetLR() const override; 68 private: 69 DfxRegsArm64() = delete; 70 }; 71 72 class DfxRegsX86_64 : public DfxRegs { 73 public: 74 explicit DfxRegsX86_64(const ucontext_t &context); ~DfxRegsX86_64()75 ~DfxRegsX86_64() override {}; 76 std::string PrintRegs() const override; 77 std::string GetSpecialRegisterName(uintptr_t val) const override; 78 uintptr_t GetPC() const override; 79 uintptr_t GetLR() const override; 80 private: 81 DfxRegsX86_64() = delete; 82 }; 83 } // namespace HiviewDFX 84 } // namespace OHOS 85 #endif 86