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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_BACKTRACE_H
#define _LIBBACKTRACE_BACKTRACE_H
#include <backtrace/Backtrace.h>
#include <sys/types.h>
class BacktraceImpl {
public:
virtual ~BacktraceImpl() { }
virtual bool Unwind(size_t num_ignore_frames) = 0;
// The name returned is not demangled, Backtrace::GetFunctionName()
// takes care of demangling the name.
virtual std::string GetFunctionNameRaw(uintptr_t pc, uintptr_t* offset) = 0;
void SetParent(Backtrace* backtrace) { backtrace_obj_ = backtrace; }
protected:
backtrace_t* GetBacktraceData();
Backtrace* backtrace_obj_;
};
class BacktraceCurrent : public Backtrace {
public:
BacktraceCurrent(BacktraceImpl* impl);
virtual ~BacktraceCurrent();
bool ReadWord(uintptr_t ptr, uint32_t* out_value);
};
class BacktracePtrace : public Backtrace {
public:
BacktracePtrace(BacktraceImpl* impl, pid_t pid, pid_t tid);
virtual ~BacktracePtrace();
bool ReadWord(uintptr_t ptr, uint32_t* out_value);
};
Backtrace* CreateCurrentObj();
Backtrace* CreatePtraceObj(pid_t pid, pid_t tid);
Backtrace* CreateThreadObj(pid_t tid);
#endif // _LIBBACKTRACE_BACKTRACE_H
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