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 #pragma once 18 19 #include <stdint.h> 20 21 #include <functional> 22 23 #include <unwindstack/Elf.h> 24 #include <unwindstack/Regs.h> 25 26 namespace unwindstack { 27 28 // Forward declarations. 29 class Memory; 30 31 class RegsArm : public RegsImpl<uint32_t> { 32 public: 33 RegsArm(); 34 virtual ~RegsArm() = default; 35 36 ArchEnum Arch() override final; 37 38 bool SetPcFromReturnAddress(Memory* process_memory) override; 39 40 bool StepIfSignalHandler(uint64_t elf_offset, Elf* elf, Memory* process_memory) override; 41 42 void IterateRegisters(std::function<void(const char*, uint64_t)>) override final; 43 44 uint64_t pc() override; 45 uint64_t sp() override; 46 47 void set_pc(uint64_t pc) override; 48 void set_sp(uint64_t sp) override; 49 50 Regs* Clone() override final; 51 52 static Regs* Read(const void* data); 53 54 static Regs* CreateFromUcontext(void* ucontext); 55 }; 56 57 } // namespace unwindstack 58