1 /* 2 * Copyright (c) 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 ECMASCRIPT_ARK_STACKMAP_PARSER_H 16 #define ECMASCRIPT_ARK_STACKMAP_PARSER_H 17 18 #include <cstdint> 19 20 #include "ecmascript/frames.h" 21 #include "ecmascript/mem/visitor.h" 22 #include "ecmascript/stackmap/ark_stackmap.h" 23 #include "ecmascript/stackmap/llvm/llvm_stackmap_type.h" 24 25 namespace panda::ecmascript { 26 class BinaryBufferParser; 27 } 28 29 namespace panda::ecmascript::kungfu { 30 class ArkStackMapParser { 31 public: 32 explicit ArkStackMapParser(bool enableLog = false) 33 { 34 enableLog_ = enableLog; 35 } ~ArkStackMapParser()36 ~ArkStackMapParser() 37 { 38 enableLog_ = false; 39 } 40 size_t GetInlineDepth(const std::vector<ARKDeopt> &deopts) const; 41 size_t GetInlineDepth(uintptr_t callSiteAddr, uint8_t *stackmapAddr) const; 42 void CollectStackTraceInfos(uintptr_t callSiteAddr, 43 std::vector<std::pair<JSTaggedType, uint32_t>> &info, 44 uintptr_t callsiteSp, 45 uintptr_t callsiteFp, 46 uint8_t *stackmapAddr) const; 47 JSTaggedType GetFunction(const std::vector<ARKDeopt> &deopts, size_t currentDepth, size_t shift, 48 uintptr_t callsiteSp, uintptr_t callsiteFp) const; 49 int32_t GetPcOffset(const std::vector<ARKDeopt> &deopts, size_t currentDepth, size_t shift) const; 50 void IteratorStackMap(RootVisitor& visitor, uintptr_t callsiteFp, 51 uintptr_t callSiteSp, uint8_t *stackmapAddr, 52 uint32_t offset, uint16_t stackmapNum, 53 std::map<uintptr_t, uintptr_t> &baseSet) const; 54 void IteratorDeopt(RootVisitor& visitor, uintptr_t callsiteFp, 55 uintptr_t callSiteSp, uint8_t *stackmapAddr, 56 uint32_t offset, uint16_t num, 57 std::map<uintptr_t, uintptr_t> &baseSet) const; 58 bool IteratorStackMapAndDeopt(RootVisitor& visitor, 59 uintptr_t callSiteAddr, uintptr_t callsiteFp, 60 uintptr_t callSiteSp, uint8_t *stackmapAddr) const; 61 void GetArkDeopt(uintptr_t callSiteAddr, uint8_t *stackmapAddr, std::vector<ARKDeopt>& deopts) const; 62 63 private: 64 static constexpr size_t DEOPT_ENTRY_SIZE = 2; 65 static constexpr size_t GC_ENTRY_SIZE = 2; 66 static constexpr int BINARY_SEARCH_DIVISOR = 2; 67 int BinaraySearch(CallsiteHeader *callsiteHead, uint32_t callsiteNum, uintptr_t callSiteAddr) const; 68 void GetArkDeopt(uint8_t *stackmapAddr, const CallsiteHeader& callsiteHead, 69 std::vector<ARKDeopt>& deopt) const; 70 void ParseArkDeopt(const CallsiteHeader& callsiteHead, uint8_t *ptr, std::vector<ARKDeopt>& deopts) const; 71 #ifndef NDEBUG 72 void ParseArkStackMap(const CallsiteHeader& callsiteHead, uint8_t *ptr, ArkStackMap& stackMap) const; 73 void ParseArkStackMapAndDeopt(uint8_t *ptr, uint32_t length) const; 74 #endif 75 uintptr_t GetStackSlotAddress(const LLVMStackMapType::DwarfRegAndOffsetType info, 76 uintptr_t callSiteSp, 77 uintptr_t callsiteFp) const; 78 uintptr_t GetStackSlotAddress(uint8_t *stackmapAddr, uintptr_t callSiteSp, uintptr_t callsiteFp, 79 uint32_t &offset, bool &nextIsBase, size_t ®OffsetSize) const; 80 uintptr_t GetDeoptStackSlotAddress(uint8_t *stackmapAddr, uintptr_t callSiteSp, 81 uintptr_t callsiteFp, uint32_t &offset) const; 82 friend class ArkStackMapBuilder; 83 bool enableLog_ {false}; 84 }; 85 } 86 #endif // ECMASCRIPT_ARK_STACKMAP_PARSER_H