1 /* 2 * Copyright (c) 2021 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 ECMASCRIPT_LLVM_STACKMAP_PARSER_H 17 #define ECMASCRIPT_LLVM_STACKMAP_PARSER_H 18 19 #include <iostream> 20 #include <memory> 21 #include <tuple> 22 #include <unordered_map> 23 #include <vector> 24 25 #include "ecmascript/common.h" 26 #include "ecmascript/ecma_macros.h" 27 #include "ecmascript/interpreter/interpreter-inl.h" 28 #include "ecmascript/stackmap/ark_stackmap.h" 29 #include "ecmascript/stackmap/llvm_stackmap_type.h" 30 31 namespace panda::ecmascript::kungfu { 32 class LLVMStackMapParser { 33 public: 34 bool PUBLIC_API CalculateStackMap(std::unique_ptr<uint8_t []> stackMapAddr); 35 bool PUBLIC_API CalculateStackMap(std::unique_ptr<uint8_t []> stackMapAddr, 36 uintptr_t hostCodeSectionAddr); Print()37 void PUBLIC_API Print() const 38 { 39 if (IsLogEnabled()) { 40 llvmStackMap_.Print(); 41 } 42 } 43 const CallSiteInfo *GetCallSiteInfoByPc(uintptr_t funcAddr) const; IsLogEnabled()44 bool IsLogEnabled() const 45 { 46 return enableLog_; 47 } 48 49 void PUBLIC_API CalculateFuncFpDelta(Func2FpDelta info, uint32_t moduleIndex); 50 51 explicit LLVMStackMapParser(bool enableLog = false) 52 { 53 pc2CallSiteInfoVec_.clear(); 54 fun2RecordNum_.clear(); 55 dataInfo_ = nullptr; 56 enableLog_ = enableLog; 57 funAddr_.clear(); 58 fun2FpDelta_.clear(); 59 pc2DeoptVec_.clear(); 60 } ~LLVMStackMapParser()61 ~LLVMStackMapParser() 62 { 63 pc2CallSiteInfoVec_.clear(); 64 fun2RecordNum_.clear(); 65 dataInfo_ = nullptr; 66 funAddr_.clear(); 67 fun2FpDelta_.clear(); 68 pc2DeoptVec_.clear(); 69 } GetPc2StackMapVec()70 std::vector<Pc2CallSiteInfo> PUBLIC_API GetPc2StackMapVec() const 71 { 72 return pc2CallSiteInfoVec_; 73 } GetPc2Deopt()74 std::vector<Pc2Deopt> GetPc2Deopt() const 75 { 76 return pc2DeoptVec_; 77 } 78 private: 79 void CalcCallSite(); 80 struct LLVMStackMap llvmStackMap_; 81 std::vector<Pc2CallSiteInfo> pc2CallSiteInfoVec_; 82 std::vector<std::pair<uintptr_t, uint64_t>> fun2RecordNum_; 83 [[maybe_unused]] std::unique_ptr<DataInfo> dataInfo_; 84 bool enableLog_ {false}; 85 std::set<uintptr_t> funAddr_; 86 std::vector<Func2FpDelta> fun2FpDelta_; 87 std::vector<Pc2Deopt> pc2DeoptVec_; 88 std::map<uint32_t, std::vector<Func2FpDelta>> module2fun2FpDelta_; 89 std::map<uint32_t, std::set<uintptr_t>> module2funAddr_; 90 }; 91 } // namespace panda::ecmascript::kungfu 92 #endif // ECMASCRIPT_LLVM_STACKMAP_PARSER_H 93