1/* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef _LIBUNWINDSTACK_REGS_X86_H 18#define _LIBUNWINDSTACK_REGS_X86_H 19 20#include <stdint.h> 21 22#include <functional> 23 24#include <unwindstack/Elf.h> 25#include <unwindstack/Regs.h> 26 27namespace unwindstack { 28 29// Forward declarations. 30class Memory; 31struct x86_ucontext_t; 32 33class RegsX86 : public RegsImpl<uint32_t> { 34 public: 35 RegsX86(); 36 virtual ~RegsX86() = default; 37 38 ArchEnum Arch() override final; 39 40 uint64_t GetPcAdjustment(uint64_t rel_pc, Elf* elf) override; 41 42 bool SetPcFromReturnAddress(Memory* process_memory) override; 43 44 bool StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) override; 45 46 void SetFromUcontext(x86_ucontext_t* ucontext); 47 48 void IterateRegisters(std::function<void(const char*, uint64_t)>) override final; 49 50 uint64_t pc() override; 51 uint64_t sp() override; 52 53 void set_pc(uint64_t pc) override; 54 void set_sp(uint64_t sp) override; 55 56 Regs* Clone() override final; 57 58 static Regs* Read(void* data); 59 60 static Regs* CreateFromUcontext(void* ucontext); 61}; 62 63} // namespace unwindstack 64 65#endif // _LIBUNWINDSTACK_REGS_X86_H 66