mirror of
https://github.com/openharmony/ark_js_runtime.git
synced 2026-08-27 10:41:15 -04:00
ZhenyuPan
78f27c883f
related issue: https://gitee.com/openharmony/ark_js_runtime/issues/I55GYU Change-Id: I3faad1171ed2ef08660c62f0ff6c88b34c5cbcfa Signed-off-by: panzhenyu1 <panzhenyu1@huawei.com>
300 lines
11 KiB
C++
300 lines
11 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "llvm_stackmap_parser.h"
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#include <iostream>
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#include "ecmascript/frames.h"
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#include "ecmascript/mem/slots.h"
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#include "ecmascript/mem/visitor.h"
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using namespace panda::ecmascript;
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namespace panda::ecmascript::kungfu {
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std::string LocationTy::TypeToString(Kind loc) const
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{
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switch (loc) {
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case Kind::REGISTER:
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return "Register Reg Value in a register";
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case Kind::DIRECT:
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return "Direct Reg + Offset Frame index value";
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case Kind::INDIRECT:
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return "Indirect [Reg + Offset] Spilled value";
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case Kind::CONSTANT:
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return "Constant Offset Small constant";
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case Kind::CONSTANTNDEX:
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return "ConstIndex constants[Offset] Large constant";
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default:
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return "no know location";
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}
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}
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const CallSiteInfo* LLVMStackMapParser::GetCallSiteInfoByPc(uintptr_t callSiteAddr) const
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{
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for (auto &callSiteInfo: pc2CallSiteInfoVec_) {
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auto it = callSiteInfo.find(callSiteAddr);
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if (it != callSiteInfo.end()) {
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return &(it->second);
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}
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}
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return nullptr;
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}
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void LLVMStackMapParser::PrintCallSiteInfo(const CallSiteInfo *infos, OptimizedLeaveFrame *frame) const
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{
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if (!IsLogEnabled()) {
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return;
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}
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int i = 0;
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uintptr_t address = 0;
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uintptr_t base = 0;
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uintptr_t derived = 0;
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for (auto &info: *infos) {
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if (info.first == FrameConstants::SP_DWARF_REG_NUM) {
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uintptr_t rsp = frame->GetCallSiteSp();
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address = rsp + info.second;
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COMPILER_LOG(DEBUG) << std::dec << "SP_DWARF_REG_NUM: info.second:" << info.second
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<< std::hex << "rsp :" << rsp;
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} else if (info.first == FrameConstants::FP_DWARF_REG_NUM) {
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uintptr_t fp = frame->callsiteFp;
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address = fp + info.second;
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COMPILER_LOG(DEBUG) << std::dec << "FP_DWARF_REG_NUM: info.second:" << info.second
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<< std::hex << "rfp :" << fp;
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} else {
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COMPILER_LOG(DEBUG) << "REG_NUM : info.first:" << info.first;
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UNREACHABLE();
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}
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if (IsDeriveredPointer(i)) {
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derived = reinterpret_cast<uintptr_t>(address);
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if (base == derived) {
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COMPILER_LOG(INFO) << std::hex << "visit base:" << base << " base Value: " <<
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*reinterpret_cast<uintptr_t *>(base);
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} else {
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COMPILER_LOG(INFO) << std::hex << "push base:" << base << " base Value: " <<
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*reinterpret_cast<uintptr_t *>(base) << " derived:" << derived;
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}
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} else {
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base = reinterpret_cast<uintptr_t>(address);
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}
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i++;
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}
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i = 0;
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}
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void LLVMStackMapParser::PrintCallSiteInfo(const CallSiteInfo *infos, uintptr_t *fp) const
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{
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if (!IsLogEnabled()) {
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return;
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}
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int i = 0;
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uintptr_t address = 0;
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uintptr_t base = 0;
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uintptr_t derived = 0;
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uintptr_t callsiteFp = *fp;
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uintptr_t callSiteSp = FrameHandler::GetPrevFrameCallSiteSp(reinterpret_cast<JSTaggedType *>(fp));
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for (auto &info: *infos) {
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if (info.first == FrameConstants::SP_DWARF_REG_NUM) {
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address = callSiteSp + info.second;
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} else if (info.first == FrameConstants::FP_DWARF_REG_NUM) {
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address = callsiteFp + info.second;
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} else {
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UNREACHABLE();
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}
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if (IsDeriveredPointer(i)) {
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derived = reinterpret_cast<uintptr_t>(address);
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if (base == derived) {
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COMPILER_LOG(DEBUG) << std::hex << "visit base:" << base << " base Value: " <<
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*reinterpret_cast<uintptr_t *>(base);
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} else {
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COMPILER_LOG(DEBUG) << std::hex << "push base:" << base << " base Value: " <<
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*reinterpret_cast<uintptr_t *>(base) << " derived:" << derived;
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}
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} else {
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base = reinterpret_cast<uintptr_t>(address);
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}
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i++;
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}
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}
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bool LLVMStackMapParser::IsDeriveredPointer(int callsitetime) const
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{
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return static_cast<uint32_t>(callsitetime) & 1;
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}
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bool LLVMStackMapParser::CollectStackMapSlots(uintptr_t callSiteAddr, uintptr_t frameFp,
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std::set<uintptr_t> &baseSet, ChunkMap<DerivedDataKey, uintptr_t> *data, [[maybe_unused]] bool isVerifying) const
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{
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const CallSiteInfo *infos = GetCallSiteInfoByPc(callSiteAddr);
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if (infos == nullptr) {
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return false;
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}
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uintptr_t *fp = reinterpret_cast<uintptr_t *>(frameFp);
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uintptr_t address = 0;
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uintptr_t base = 0;
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uintptr_t derived = 0;
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int i = 0;
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if (IsLogEnabled()) {
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PrintCallSiteInfo(infos, fp);
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}
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uintptr_t callsiteFp = *fp;
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uintptr_t callSiteSp = FrameHandler::GetPrevFrameCallSiteSp(reinterpret_cast<JSTaggedType *>(frameFp));
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for (auto &info: *infos) {
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if (info.first == FrameConstants::SP_DWARF_REG_NUM) {
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address = callSiteSp + info.second;
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} else if (info.first == FrameConstants::FP_DWARF_REG_NUM) {
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address = callsiteFp + info.second;
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} else {
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UNREACHABLE();
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}
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if (IsDeriveredPointer(i)) {
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derived = reinterpret_cast<uintptr_t>(address);
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if (base == derived) {
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baseSet.emplace(base);
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} else {
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#if ECMASCRIPT_ENABLE_HEAP_VERIFY
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if (!isVerifying) {
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#endif
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data->emplace(std::make_pair(base, derived), *reinterpret_cast<uintptr_t *>(base));
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#if ECMASCRIPT_ENABLE_HEAP_VERIFY
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}
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#endif
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}
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} else {
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base = reinterpret_cast<uintptr_t>(address);
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}
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i++;
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}
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return true;
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}
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void LLVMStackMapParser::CalcCallSite()
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{
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uint64_t recordNum = 0;
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auto calStkMapRecordFunc = [this, &recordNum](uintptr_t address, int recordId) {
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struct StkMapRecordHeadTy recordHead = llvmStackMap_.StkMapRecord[recordNum + recordId].head;
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for (int j = 0; j < recordHead.NumLocations; j++) {
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struct LocationTy loc = llvmStackMap_.StkMapRecord[recordNum + recordId].Locations[j];
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uint32_t instructionOffset = recordHead.InstructionOffset;
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uintptr_t callsite = address + instructionOffset;
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uint64_t patchPointID = recordHead.PatchPointID;
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if (loc.location == LocationTy::Kind::INDIRECT) {
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COMPILER_OPTIONAL_LOG(DEBUG) << "DwarfRegNum:" << loc.DwarfRegNum << " loc.OffsetOrSmallConstant:"
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<< loc.OffsetOrSmallConstant << "address:" << address << " instructionOffset:" <<
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instructionOffset << " callsite:" << " patchPointID :" << std::hex << patchPointID <<
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callsite;
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DwarfRegAndOffsetType info(loc.DwarfRegNum, loc.OffsetOrSmallConstant);
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auto it = pc2CallSiteInfo_.find(callsite);
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if (pc2CallSiteInfo_.find(callsite) == pc2CallSiteInfo_.end()) {
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pc2CallSiteInfo_.insert(std::pair<uintptr_t, CallSiteInfo>(callsite, {info}));
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} else {
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it->second.emplace_back(info);
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}
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}
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}
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};
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for (size_t i = 0; i < llvmStackMap_.StkSizeRecords.size(); i++) {
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uintptr_t address = llvmStackMap_.StkSizeRecords[i].functionAddress;
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uint64_t recordCount = llvmStackMap_.StkSizeRecords[i].recordCount;
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for (uint64_t k = 0; k < recordCount; k++) {
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calStkMapRecordFunc(address, k);
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}
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recordNum += recordCount;
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}
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}
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bool LLVMStackMapParser::CalculateStackMap(std::unique_ptr<uint8_t []> stackMapAddr)
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{
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stackMapAddr_ = std::move(stackMapAddr);
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if (!stackMapAddr_) {
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COMPILER_LOG(ERROR) << "stackMapAddr_ nullptr error ! ";
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return false;
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}
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dataInfo_ = std::make_unique<DataInfo>(std::move(stackMapAddr_));
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llvmStackMap_.head = dataInfo_->Read<struct Header>();
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uint32_t numFunctions, numConstants, numRecords;
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numFunctions = dataInfo_->Read<uint32_t>();
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numConstants = dataInfo_->Read<uint32_t>();
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numRecords = dataInfo_->Read<uint32_t>();
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for (uint32_t i = 0; i < numFunctions; i++) {
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auto stkRecord = dataInfo_->Read<struct StkSizeRecordTy>();
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llvmStackMap_.StkSizeRecords.push_back(stkRecord);
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}
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for (uint32_t i = 0; i < numConstants; i++) {
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auto val = dataInfo_->Read<struct ConstantsTy>();
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llvmStackMap_.Constants.push_back(val);
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}
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for (uint32_t i = 0; i < numRecords; i++) {
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struct StkMapRecordTy stkSizeRecord;
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auto head = dataInfo_->Read<struct StkMapRecordHeadTy>();
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stkSizeRecord.head = head;
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for (uint16_t j = 0; j < head.NumLocations; j++) {
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auto location = dataInfo_->Read<struct LocationTy>();
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stkSizeRecord.Locations.push_back(location);
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}
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[[maybe_unused]] uint16_t padding;
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while (dataInfo_->GetOffset() & 7) { // 7: 8 byte align
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padding = dataInfo_->Read<uint16_t>();
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}
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uint32_t numLiveOuts = dataInfo_->Read<uint32_t>();
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if (numLiveOuts > 0) {
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for (uint32_t j = 0; j < numLiveOuts; j++) {
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auto liveOut = dataInfo_->Read<struct LiveOutsTy>();
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stkSizeRecord.LiveOuts.push_back(liveOut);
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}
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}
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while (dataInfo_->GetOffset() & 7) { // 7: 8 byte align
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padding = dataInfo_->Read<uint16_t>();
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}
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llvmStackMap_.StkMapRecord.push_back(stkSizeRecord);
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}
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CalcCallSite();
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return true;
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}
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bool LLVMStackMapParser::CalculateStackMap(std::unique_ptr<uint8_t []> stackMapAddr,
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uintptr_t hostCodeSectionAddr, uintptr_t deviceCodeSectionAddr)
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{
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bool ret = CalculateStackMap(std::move(stackMapAddr));
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if (!ret) {
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return ret;
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}
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// update functionAddress from host side to device side
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COMPILER_OPTIONAL_LOG(DEBUG) << "stackmap calculate update funcitonaddress ";
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for (size_t i = 0; i < llvmStackMap_.StkSizeRecords.size(); i++) {
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uintptr_t hostAddr = llvmStackMap_.StkSizeRecords[i].functionAddress;
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uintptr_t deviceAddr = hostAddr - hostCodeSectionAddr + deviceCodeSectionAddr;
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llvmStackMap_.StkSizeRecords[i].functionAddress = deviceAddr;
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COMPILER_OPTIONAL_LOG(DEBUG) << std::dec << i << "th function " << std::hex << hostAddr << " ---> "
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<< deviceAddr;
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}
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pc2CallSiteInfo_.clear();
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CalcCallSite();
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pc2CallSiteInfoVec_.push_back(pc2CallSiteInfo_);
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return true;
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}
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} // namespace panda::ecmascript::kungfu
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