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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /tools/profiler/public/shared-libraries.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'tools/profiler/public/shared-libraries.h')
-rw-r--r-- | tools/profiler/public/shared-libraries.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/tools/profiler/public/shared-libraries.h b/tools/profiler/public/shared-libraries.h new file mode 100644 index 000000000..b02a1fb08 --- /dev/null +++ b/tools/profiler/public/shared-libraries.h @@ -0,0 +1,137 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef SHARED_LIBRARIES_H_ +#define SHARED_LIBRARIES_H_ + +#ifndef MOZ_ENABLE_PROFILER_SPS +#error This header does not have a useful implementation on your platform! +#endif + +#include <algorithm> +#include <vector> +#include <string> +#include <stdlib.h> +#include <stdint.h> +#ifndef SPS_STANDALONE +#include <nsID.h> +#endif + +class SharedLibrary { +public: + + SharedLibrary(uintptr_t aStart, + uintptr_t aEnd, + uintptr_t aOffset, + const std::string& aBreakpadId, + const std::string& aName) + : mStart(aStart) + , mEnd(aEnd) + , mOffset(aOffset) + , mBreakpadId(aBreakpadId) + , mName(aName) + {} + + SharedLibrary(const SharedLibrary& aEntry) + : mStart(aEntry.mStart) + , mEnd(aEntry.mEnd) + , mOffset(aEntry.mOffset) + , mBreakpadId(aEntry.mBreakpadId) + , mName(aEntry.mName) + {} + + SharedLibrary& operator=(const SharedLibrary& aEntry) + { + // Gracefully handle self assignment + if (this == &aEntry) return *this; + + mStart = aEntry.mStart; + mEnd = aEntry.mEnd; + mOffset = aEntry.mOffset; + mBreakpadId = aEntry.mBreakpadId; + mName = aEntry.mName; + return *this; + } + + bool operator==(const SharedLibrary& other) const + { + return (mStart == other.mStart) && + (mEnd == other.mEnd) && + (mOffset == other.mOffset) && + (mName == other.mName) && + (mBreakpadId == other.mBreakpadId); + } + + uintptr_t GetStart() const { return mStart; } + uintptr_t GetEnd() const { return mEnd; } + uintptr_t GetOffset() const { return mOffset; } + const std::string &GetBreakpadId() const { return mBreakpadId; } + const std::string &GetName() const { return mName; } + +private: + SharedLibrary() {} + + uintptr_t mStart; + uintptr_t mEnd; + uintptr_t mOffset; + std::string mBreakpadId; + std::string mName; +}; + +static bool +CompareAddresses(const SharedLibrary& first, const SharedLibrary& second) +{ + return first.GetStart() < second.GetStart(); +} + +class SharedLibraryInfo { +public: + static SharedLibraryInfo GetInfoForSelf(); + SharedLibraryInfo() {} + + void AddSharedLibrary(SharedLibrary entry) + { + mEntries.push_back(entry); + } + + const SharedLibrary& GetEntry(size_t i) const + { + return mEntries[i]; + } + + // Removes items in the range [first, last) + // i.e. element at the "last" index is not removed + void RemoveEntries(size_t first, size_t last) + { + mEntries.erase(mEntries.begin() + first, mEntries.begin() + last); + } + + bool Contains(const SharedLibrary& searchItem) const + { + return (mEntries.end() != + std::find(mEntries.begin(), mEntries.end(), searchItem)); + } + + size_t GetSize() const + { + return mEntries.size(); + } + + void SortByAddress() + { + std::sort(mEntries.begin(), mEntries.end(), CompareAddresses); + } + + void Clear() + { + mEntries.clear(); + } + +private: + std::vector<SharedLibrary> mEntries; +}; + +#endif |