platform_system_core/libunwindstack/Elf.h

79 lines
1.8 KiB
C++

/*
* 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_ELF_H
#define _LIBUNWINDSTACK_ELF_H
#include <stddef.h>
#include <memory>
#include <string>
#include "ElfInterface.h"
#include "Memory.h"
#if !defined(EM_AARCH64)
#define EM_AARCH64 183
#endif
// Forward declaration.
class Regs;
class Elf {
public:
Elf(Memory* memory) : memory_(memory) {}
virtual ~Elf() = default;
bool Init();
void InitGnuDebugdata();
bool GetSoname(std::string* name) {
return valid_ && interface_->GetSoname(name);
}
bool GetFunctionName(uint64_t, std::string*, uint64_t*) {
return false;
}
bool Step(uint64_t rel_pc, Regs* regs, Memory* process_memory) {
return valid_ && interface_->Step(rel_pc, regs, process_memory);
}
ElfInterface* CreateInterfaceFromMemory(Memory* memory);
bool valid() { return valid_; }
uint32_t machine_type() { return machine_type_; }
uint8_t class_type() { return class_type_; }
Memory* memory() { return memory_.get(); }
ElfInterface* interface() { return interface_.get(); }
static bool IsValidElf(Memory* memory);
protected:
bool valid_ = false;
std::unique_ptr<ElfInterface> interface_;
std::unique_ptr<Memory> memory_;
uint32_t machine_type_;
uint8_t class_type_;
};
#endif // _LIBUNWINDSTACK_ELF_H