0b06a590d9
Use the art dex file library to read the dex data. Add unit tests for the UnwindDexFile code. Bug: 72070049 Test: All unit tests continue to pass. Test: Dumped the backtrace of the 137-cfi test while running in interpreter Test: mode and verified that the stack trace is correct. Did this on host Test: and for arm/arm64. Change-Id: Ia6f343318c5dd6968a954015a7d59fdf101575b0
70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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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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#ifndef _LIBBACKTRACE_UNWIND_DEX_FILE_H
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#define _LIBBACKTRACE_UNWIND_DEX_FILE_H
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#include <stdint.h>
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#include <memory>
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#include <string>
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#include <vector>
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#include <dex/dex_file-inl.h>
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namespace unwindstack {
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class Memory;
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struct MapInfo;
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} // namespace unwindstack
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class UnwindDexFile {
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public:
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UnwindDexFile() = default;
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virtual ~UnwindDexFile() = default;
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void GetMethodInformation(uint64_t dex_offset, std::string* method_name, uint64_t* method_offset);
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static UnwindDexFile* Create(uint64_t dex_file_offset_in_memory, unwindstack::Memory* memory,
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unwindstack::MapInfo* info);
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protected:
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std::unique_ptr<const art::DexFile> dex_file_;
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};
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class UnwindDexFileFromFile : public UnwindDexFile {
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public:
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UnwindDexFileFromFile() = default;
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virtual ~UnwindDexFileFromFile();
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bool Open(uint64_t dex_file_offset_in_file, const std::string& name);
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private:
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void* mapped_memory_ = nullptr;
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size_t size_ = 0;
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};
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class UnwindDexFileFromMemory : public UnwindDexFile {
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public:
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UnwindDexFileFromMemory() = default;
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virtual ~UnwindDexFileFromMemory() = default;
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bool Open(uint64_t dex_file_offset_in_memory, unwindstack::Memory* memory);
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private:
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std::vector<uint8_t> memory_;
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};
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#endif // _LIBBACKTRACE_UNWIND_DEX_FILE_H
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