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Diffstat (limited to 'libunwindstack/include/unwindstack/DexFiles.h')
-rw-r--r-- | libunwindstack/include/unwindstack/DexFiles.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/libunwindstack/include/unwindstack/DexFiles.h b/libunwindstack/include/unwindstack/DexFiles.h new file mode 100644 index 000000000..67a9640d6 --- /dev/null +++ b/libunwindstack/include/unwindstack/DexFiles.h @@ -0,0 +1,79 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _LIBUNWINDSTACK_DEX_FILES_H +#define _LIBUNWINDSTACK_DEX_FILES_H + +#include <stdint.h> + +#include <memory> +#include <mutex> +#include <string> +#include <unordered_map> +#include <vector> + +#include <unwindstack/Global.h> +#include <unwindstack/Memory.h> + +namespace unwindstack { + +// Forward declarations. +class DexFile; +class Maps; +struct MapInfo; +enum ArchEnum : uint8_t; + +class DexFiles : public Global { + public: + explicit DexFiles(std::shared_ptr<Memory>& memory); + DexFiles(std::shared_ptr<Memory>& memory, std::vector<std::string>& search_libs); + virtual ~DexFiles(); + + DexFile* GetDexFile(uint64_t dex_file_offset, MapInfo* info); + + void GetMethodInformation(Maps* maps, MapInfo* info, uint64_t dex_pc, std::string* method_name, + uint64_t* method_offset); + + private: + void Init(Maps* maps); + + bool GetAddr(size_t index, uint64_t* addr); + + uint64_t ReadEntryPtr32(uint64_t addr); + + uint64_t ReadEntryPtr64(uint64_t addr); + + bool ReadEntry32(); + + bool ReadEntry64(); + + bool ReadVariableData(uint64_t ptr_offset) override; + + void ProcessArch() override; + + std::mutex lock_; + bool initialized_ = false; + std::unordered_map<uint64_t, std::unique_ptr<DexFile>> files_; + + uint64_t entry_addr_ = 0; + uint64_t (DexFiles::*read_entry_ptr_func_)(uint64_t) = nullptr; + bool (DexFiles::*read_entry_func_)() = nullptr; + std::vector<uint64_t> addrs_; +}; + +} // namespace unwindstack + +#endif // _LIBUNWINDSTACK_DEX_FILES_H |