4568f4bc0f
To avoid a case where a malicious app might try and trick the system to create an elf and register object that mismatches, always verify that they are the same arch. Test: Ran unit tests. Change-Id: I66978e9e02f8e4f396856912e7019528ead4838e
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
/*
|
|
* 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_UNWINDSTACK_MAP_H
|
|
#define _LIBBACKTRACE_UNWINDSTACK_MAP_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <memory>
|
|
#include <mutex>
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
|
|
#include <backtrace/Backtrace.h>
|
|
#include <backtrace/BacktraceMap.h>
|
|
#if !defined(NO_LIBDEXFILE_SUPPORT)
|
|
#include <unwindstack/DexFiles.h>
|
|
#endif
|
|
#include <unwindstack/Elf.h>
|
|
#include <unwindstack/JitDebug.h>
|
|
#include <unwindstack/Maps.h>
|
|
|
|
// Forward declarations.
|
|
class UnwindDexFile;
|
|
|
|
class UnwindStackMap : public BacktraceMap {
|
|
public:
|
|
explicit UnwindStackMap(pid_t pid);
|
|
~UnwindStackMap() = default;
|
|
|
|
bool Build() override;
|
|
|
|
void FillIn(uint64_t addr, backtrace_map_t* map) override;
|
|
|
|
virtual std::string GetFunctionName(uint64_t pc, uint64_t* offset) override;
|
|
virtual std::shared_ptr<unwindstack::Memory> GetProcessMemory() override final;
|
|
|
|
unwindstack::Maps* stack_maps() { return stack_maps_.get(); }
|
|
|
|
const std::shared_ptr<unwindstack::Memory>& process_memory() { return process_memory_; }
|
|
|
|
unwindstack::JitDebug* GetJitDebug() { return jit_debug_.get(); }
|
|
|
|
#if !defined(NO_LIBDEXFILE_SUPPORT)
|
|
unwindstack::DexFiles* GetDexFiles() { return dex_files_.get(); }
|
|
#endif
|
|
|
|
void SetArch(unwindstack::ArchEnum arch) { arch_ = arch; }
|
|
|
|
protected:
|
|
uint64_t GetLoadBias(size_t index) override;
|
|
|
|
std::unique_ptr<unwindstack::Maps> stack_maps_;
|
|
std::shared_ptr<unwindstack::Memory> process_memory_;
|
|
std::unique_ptr<unwindstack::JitDebug> jit_debug_;
|
|
#if !defined(NO_LIBDEXFILE_SUPPORT)
|
|
std::unique_ptr<unwindstack::DexFiles> dex_files_;
|
|
#endif
|
|
|
|
unwindstack::ArchEnum arch_ = unwindstack::ARCH_UNKNOWN;
|
|
};
|
|
|
|
class UnwindStackOfflineMap : public UnwindStackMap {
|
|
public:
|
|
UnwindStackOfflineMap(pid_t pid);
|
|
~UnwindStackOfflineMap() = default;
|
|
|
|
bool Build() override;
|
|
|
|
bool Build(const std::vector<backtrace_map_t>& maps);
|
|
|
|
bool CreateProcessMemory(const backtrace_stackinfo_t& stack);
|
|
|
|
private:
|
|
unwindstack::MemoryOfflineBuffer* memory_ = nullptr;
|
|
};
|
|
|
|
#endif // _LIBBACKTRACE_UNWINDSTACK_MAP_H
|