platform_system_core/libbacktrace/UnwindMap.h
Christopher Ferris 2c43cff01d Refactor the code.
The object hierarchy was confusing and convoluted. This removes
a lot of unnecessary code, and consolidates the BacktraceCurrent
and BacktraceThread code into BacktraceCurrent.

Change-Id: I01c8407d493712a48169df49dd3ff46db4a7c3ae
2015-03-31 10:51:44 -07:00

59 lines
1.5 KiB
C++

/*
* Copyright (C) 2014 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_MAP_H
#define _LIBBACKTRACE_UNWIND_MAP_H
#include <stdint.h>
#include <sys/types.h>
#include <backtrace/BacktraceMap.h>
// The unw_map_cursor_t structure is different depending on whether it is
// the local or remote version. In order to get the correct version, include
// libunwind.h first then this header.
class UnwindMap : public BacktraceMap {
public:
UnwindMap(pid_t pid);
virtual ~UnwindMap();
virtual bool Build();
unw_map_cursor_t* GetMapCursor() { return &map_cursor_; }
protected:
virtual bool GenerateMap();
unw_map_cursor_t map_cursor_;
};
class UnwindMapLocal : public UnwindMap {
public:
UnwindMapLocal();
virtual ~UnwindMapLocal();
virtual bool Build();
virtual void FillIn(uintptr_t addr, backtrace_map_t* map);
protected:
virtual bool GenerateMap();
bool map_created_;
};
#endif // _LIBBACKTRACE_UNWIND_MAP_H