text: /*
   * 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_REGS_X86_H
  #define _LIBUNWINDSTACK_REGS_X86_H
  
  #include <stdint.h>
  
  #include <functional>
  
  #include <unwindstack/Elf.h>
  #include <unwindstack/Regs.h>
  
  namespace unwindstack {
  
  // Forward declarations.
  class Memory;
  struct x86_ucontext_t;
  
  class RegsX86 : public RegsImpl<uint32_t> {
   public:
    RegsX86();
    virtual ~RegsX86() = default;
  
    ArchEnum Arch() override final;
  
    uint64_t GetPcAdjustment(uint64_t rel_pc, Elf* elf) override;
  
    bool SetPcFromReturnAddress(Memory* process_memory) override;
  
    bool StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) override;
  
    void SetFromUcontext(x86_ucontext_t* ucontext);
  
    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;
  
    Regs* Clone() override final;
  
    static Regs* Read(void* data);
  
    static Regs* CreateFromUcontext(void* ucontext);
  };
  
  }  // namespace unwindstack
  
  #endif  // _LIBUNWINDSTACK_REGS_X86_H
  