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author | Christopher Ferris <cferris@google.com> | 2017-04-04 14:06:58 -0700 |
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committer | Christopher Ferris <cferris@google.com> | 2017-04-04 14:41:34 -0700 |
commit | 23357276e411f784e89170405d723ac515ae5556 (patch) | |
tree | 84d6a4a91b9beb3aee4df1b94c1e80c8e5180a92 /libunwindstack/Symbols.h | |
parent | 8520539966f5c9f53153d65e3d15d6be4b066c32 (diff) | |
download | unwinding-23357276e411f784e89170405d723ac515ae5556.tar.gz |
Add Symbols parsing.
Bug: 23762183
Test: New unit tests pass.
Change-Id: Ib67fee879120b5e82889076a0f7221dc429ac140
Diffstat (limited to 'libunwindstack/Symbols.h')
-rw-r--r-- | libunwindstack/Symbols.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/libunwindstack/Symbols.h b/libunwindstack/Symbols.h new file mode 100644 index 0000000..3c0d033 --- /dev/null +++ b/libunwindstack/Symbols.h @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2016 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_SYMBOLS_H +#define _LIBUNWINDSTACK_SYMBOLS_H + +#include <stdint.h> + +#include <string> +#include <vector> + +// Forward declaration. +class Memory; + +class Symbols { + struct Info { + Info(uint64_t start_offset, uint64_t end_offset, uint64_t str_offset) + : start_offset(start_offset), end_offset(end_offset), str_offset(str_offset) {} + uint64_t start_offset; + uint64_t end_offset; + uint64_t str_offset; + }; + + public: + Symbols(uint64_t offset, uint64_t size, uint64_t entry_size, uint64_t str_offset, + uint64_t str_size); + virtual ~Symbols() = default; + + const Info* GetInfoFromCache(uint64_t addr); + + template <typename SymType> + bool GetName(uint64_t addr, uint64_t load_bias, Memory* elf_memory, std::string* name, + uint64_t* func_offset); + + void ClearCache() { + symbols_.clear(); + cur_offset_ = offset_; + } + + private: + uint64_t cur_offset_; + uint64_t offset_; + uint64_t end_; + uint64_t entry_size_; + uint64_t str_offset_; + uint64_t str_end_; + + std::vector<Info> symbols_; +}; + +#endif // _LIBUNWINDSTACK_SYMBOLS_H |