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/*
* 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_CURRENT_H
#define _LIBBACKTRACE_UNWIND_CURRENT_H
#include <string>
#include "BacktraceImpl.h"
#include "BacktraceThread.h"
#define UNW_LOCAL_ONLY
#include <libunwind.h>
class UnwindCurrent : public BacktraceImpl {
public:
UnwindCurrent();
virtual ~UnwindCurrent();
virtual bool Unwind(size_t num_ignore_frames);
virtual std::string GetFunctionNameRaw(uintptr_t pc, uintptr_t* offset);
bool UnwindFromContext(size_t num_ignore_frames, bool resolve);
void ExtractContext(void* sigcontext);
protected:
unw_context_t context_;
};
class UnwindThread : public UnwindCurrent, public BacktraceThreadInterface {
public:
UnwindThread();
virtual ~UnwindThread();
virtual void ThreadUnwind(
siginfo_t* siginfo, void* sigcontext, size_t num_ignore_frames);
};
#endif // _LIBBACKTRACE_UNWIND_CURRENT_H
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