108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
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/*
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* Copyright (C) 2016 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 _LIBUNWINDSTACK_MAPS_H
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#define _LIBUNWINDSTACK_MAPS_H
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#include <sys/types.h>
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#include <unistd.h>
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#include <string>
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#include <vector>
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#include "Elf.h"
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#include "MapInfo.h"
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// Special flag to indicate a map is in /dev/. However, a map in
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// /dev/ashmem/... does not set this flag.
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static constexpr int MAPS_FLAGS_DEVICE_MAP = 0x8000;
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class Maps {
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public:
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Maps() = default;
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virtual ~Maps();
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MapInfo* Find(uint64_t pc);
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bool ParseLine(const char* line, MapInfo* map_info);
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virtual bool Parse();
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virtual const std::string GetMapsFile() const { return ""; }
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typedef std::vector<MapInfo>::iterator iterator;
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iterator begin() { return maps_.begin(); }
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iterator end() { return maps_.end(); }
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typedef std::vector<MapInfo>::const_iterator const_iterator;
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const_iterator begin() const { return maps_.begin(); }
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const_iterator end() const { return maps_.end(); }
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size_t Total() { return maps_.size(); }
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protected:
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std::vector<MapInfo> maps_;
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};
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class RemoteMaps : public Maps {
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public:
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RemoteMaps(pid_t pid) : pid_(pid) {}
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virtual ~RemoteMaps() = default;
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virtual const std::string GetMapsFile() const override;
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private:
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pid_t pid_;
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};
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class LocalMaps : public RemoteMaps {
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public:
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LocalMaps() : RemoteMaps(getpid()) {}
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virtual ~LocalMaps() = default;
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};
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class BufferMaps : public Maps {
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public:
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BufferMaps(const char* buffer) : buffer_(buffer) {}
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virtual ~BufferMaps() = default;
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bool Parse() override;
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private:
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const char* buffer_;
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};
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class FileMaps : public Maps {
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public:
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FileMaps(const std::string& file) : file_(file) {}
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virtual ~FileMaps() = default;
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const std::string GetMapsFile() const override { return file_; }
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protected:
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const std::string file_;
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};
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class OfflineMaps : public FileMaps {
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public:
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OfflineMaps(const std::string& file) : FileMaps(file) {}
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virtual ~OfflineMaps() = default;
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bool Parse() override;
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};
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#endif // _LIBUNWINDSTACK_MAPS_H
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