| /* |
| * Copyright (C) 2017 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 _LIBBACKTRACE_UNWIND_STACK_H |
| #define _LIBBACKTRACE_UNWIND_STACK_H |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <string> |
| |
| #include <backtrace/BacktraceMap.h> |
| #include <unwindstack/Memory.h> |
| |
| #include "BacktraceCurrent.h" |
| #include "BacktracePtrace.h" |
| |
| class UnwindStackCurrent : public BacktraceCurrent { |
| public: |
| UnwindStackCurrent(pid_t pid, pid_t tid, BacktraceMap* map); |
| virtual ~UnwindStackCurrent() = default; |
| |
| std::string GetFunctionNameRaw(uint64_t pc, uint64_t* offset) override; |
| |
| bool UnwindFromContext(size_t num_ignore_frames, void* ucontext) override; |
| }; |
| |
| class UnwindStackPtrace : public BacktracePtrace { |
| public: |
| UnwindStackPtrace(pid_t pid, pid_t tid, BacktraceMap* map); |
| virtual ~UnwindStackPtrace() = default; |
| |
| bool Unwind(size_t num_ignore_frames, void* context) override; |
| |
| std::string GetFunctionNameRaw(uint64_t pc, uint64_t* offset) override; |
| |
| size_t Read(uint64_t addr, uint8_t* buffer, size_t bytes) override; |
| |
| private: |
| std::shared_ptr<unwindstack::Memory> memory_; |
| }; |
| |
| #endif // _LIBBACKTRACE_UNWIND_STACK_H |