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/*
* 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.
*/
#pragma once
#include <stdint.h>
#include <functional>
#include <unwindstack/Elf.h>
#include <unwindstack/MachineArm64.h>
#include <unwindstack/Regs.h>
namespace unwindstack {
// Forward declarations.
class Memory;
class RegsArm64 : public RegsImpl<uint64_t> {
public:
RegsArm64();
virtual ~RegsArm64() = default;
ArchEnum Arch() override final;
bool SetPcFromReturnAddress(Memory* process_memory) override;
bool StepIfSignalHandler(uint64_t elf_offset, Elf* elf, Memory* process_memory) override;
void IterateRegisters(std::function<void(const char*, uint64_t)>) override final;
uint64_t pc() override;
uint64_t sp() override;
void set_pc(uint64_t pc) override;
void set_sp(uint64_t sp) override;
void fallback_pc() override;
void ResetPseudoRegisters() override;
bool SetPseudoRegister(uint16_t id, uint64_t value) override;
bool GetPseudoRegister(uint16_t id, uint64_t* value) override;
bool IsRASigned();
void SetPACMask(uint64_t mask);
Regs* Clone() override final;
static Regs* Read(void* data);
static Regs* CreateFromUcontext(void* ucontext);
protected:
uint64_t pseudo_regs_[Arm64Reg::ARM64_PREG_LAST - Arm64Reg::ARM64_PREG_FIRST];
uint64_t pac_mask_;
};
} // namespace unwindstack
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