74 lines
2.3 KiB
C++
Executable file
74 lines
2.3 KiB
C++
Executable file
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _LIBBACKTRACE_BACKTRACE_IMPL_H
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#define _LIBBACKTRACE_BACKTRACE_IMPL_H
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#include <backtrace/Backtrace.h>
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#include <backtrace/BacktraceMap.h>
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#include <sys/types.h>
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class BacktraceImpl {
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public:
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virtual ~BacktraceImpl() { }
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virtual bool Unwind(size_t num_ignore_frames, ucontext_t* ucontext) = 0;
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// The name returned is not demangled, Backtrace::GetFunctionName()
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// takes care of demangling the name.
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virtual std::string GetFunctionNameRaw(uintptr_t pc, uintptr_t* offset) = 0;
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void SetParent(Backtrace* backtrace) { backtrace_obj_ = backtrace; }
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inline pid_t Pid() { return backtrace_obj_->Pid(); }
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inline pid_t Tid() { return backtrace_obj_->Tid(); }
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inline const backtrace_map_t* FindMap(uintptr_t addr) {
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return backtrace_obj_->FindMap(addr);
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}
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inline std::string GetFunctionName(uintptr_t pc, uintptr_t* offset) {
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return backtrace_obj_->GetFunctionName(pc, offset);
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}
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inline BacktraceMap* GetMap() { return backtrace_obj_->GetMap(); }
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protected:
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inline std::vector<backtrace_frame_data_t>* GetFrames() { return &backtrace_obj_->frames_; }
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Backtrace* backtrace_obj_;
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};
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class BacktraceCurrent : public Backtrace {
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public:
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BacktraceCurrent(BacktraceImpl* impl, BacktraceMap* map);
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virtual ~BacktraceCurrent();
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bool ReadWord(uintptr_t ptr, word_t* out_value);
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};
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class BacktracePtrace : public Backtrace {
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public:
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BacktracePtrace(BacktraceImpl* impl, pid_t pid, pid_t tid, BacktraceMap* map);
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virtual ~BacktracePtrace();
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bool ReadWord(uintptr_t ptr, word_t* out_value);
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};
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Backtrace* CreateCurrentObj(BacktraceMap* map);
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Backtrace* CreatePtraceObj(pid_t pid, pid_t tid, BacktraceMap* map);
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Backtrace* CreateThreadObj(pid_t tid, BacktraceMap* map);
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#endif // _LIBBACKTRACE_BACKTRACE_IMPL_H
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