platform_system_core/libbacktrace/UnwindPtrace.h
Christopher Ferris df2906186b Re-enable libunwind for arm.
Update to handle the new optimized way that libunwind works.

In addition, a small refactor of the BacktraceMap code.

A few new tests of for good measure.

Change-Id: I2f9b4f5ad5a0dfe907b31febee76e4b9b94fb76f
2014-01-28 12:03:36 -08:00

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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_PTRACE_H
#define _LIBBACKTRACE_UNWIND_PTRACE_H
#include <string>
#include "BacktraceImpl.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