138 lines
3.2 KiB
C++
138 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef SHARED_LIBRARIES_H_
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#define SHARED_LIBRARIES_H_
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#ifndef MOZ_ENABLE_PROFILER_SPS
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#error This header does not have a useful implementation on your platform!
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#endif
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#include <algorithm>
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#include <vector>
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#include <string>
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#include <stdlib.h>
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#include <stdint.h>
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#ifndef SPS_STANDALONE
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#include <nsID.h>
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#endif
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class SharedLibrary {
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public:
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SharedLibrary(uintptr_t aStart,
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uintptr_t aEnd,
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uintptr_t aOffset,
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const std::string& aBreakpadId,
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const std::string& aName)
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: mStart(aStart)
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, mEnd(aEnd)
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, mOffset(aOffset)
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, mBreakpadId(aBreakpadId)
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, mName(aName)
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{}
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SharedLibrary(const SharedLibrary& aEntry)
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: mStart(aEntry.mStart)
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, mEnd(aEntry.mEnd)
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, mOffset(aEntry.mOffset)
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, mBreakpadId(aEntry.mBreakpadId)
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, mName(aEntry.mName)
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{}
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SharedLibrary& operator=(const SharedLibrary& aEntry)
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{
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// Gracefully handle self assignment
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if (this == &aEntry) return *this;
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mStart = aEntry.mStart;
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mEnd = aEntry.mEnd;
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mOffset = aEntry.mOffset;
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mBreakpadId = aEntry.mBreakpadId;
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mName = aEntry.mName;
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return *this;
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}
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bool operator==(const SharedLibrary& other) const
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{
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return (mStart == other.mStart) &&
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(mEnd == other.mEnd) &&
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(mOffset == other.mOffset) &&
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(mName == other.mName) &&
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(mBreakpadId == other.mBreakpadId);
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}
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uintptr_t GetStart() const { return mStart; }
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uintptr_t GetEnd() const { return mEnd; }
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uintptr_t GetOffset() const { return mOffset; }
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const std::string &GetBreakpadId() const { return mBreakpadId; }
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const std::string &GetName() const { return mName; }
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private:
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SharedLibrary() {}
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uintptr_t mStart;
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uintptr_t mEnd;
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uintptr_t mOffset;
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std::string mBreakpadId;
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std::string mName;
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};
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static bool
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CompareAddresses(const SharedLibrary& first, const SharedLibrary& second)
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{
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return first.GetStart() < second.GetStart();
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}
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class SharedLibraryInfo {
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public:
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static SharedLibraryInfo GetInfoForSelf();
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SharedLibraryInfo() {}
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void AddSharedLibrary(SharedLibrary entry)
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{
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mEntries.push_back(entry);
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}
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const SharedLibrary& GetEntry(size_t i) const
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{
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return mEntries[i];
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}
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// Removes items in the range [first, last)
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// i.e. element at the "last" index is not removed
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void RemoveEntries(size_t first, size_t last)
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{
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mEntries.erase(mEntries.begin() + first, mEntries.begin() + last);
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}
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bool Contains(const SharedLibrary& searchItem) const
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{
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return (mEntries.end() !=
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std::find(mEntries.begin(), mEntries.end(), searchItem));
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}
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size_t GetSize() const
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{
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return mEntries.size();
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}
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void SortByAddress()
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{
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std::sort(mEntries.begin(), mEntries.end(), CompareAddresses);
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}
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void Clear()
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{
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mEntries.clear();
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}
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private:
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std::vector<SharedLibrary> mEntries;
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};
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#endif
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