text: /*
   * Copyright (C) 2013 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 _LIBBACKTRACE_UNWIND_PTRACE_H
  #define _LIBBACKTRACE_UNWIND_PTRACE_H
  
  #include <string>
  
  #include "Backtrace.h"
  
  #include <libunwind.h>
  
  class UnwindPtrace : public BacktraceImpl {
  public:
    UnwindPtrace();
    virtual ~UnwindPtrace();
  
    virtual bool Unwind(size_t num_ignore_frames);
  
    virtual std::string GetFunctionNameRaw(uintptr_t pc, uintptr_t* offset);
  
  private:
    unw_addr_space_t addr_space_;
    struct UPT_info* upt_info_;
  };
  
  #endif // _LIBBACKTRACE_UNWIND_PTRACE_H
  