michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef SHARED_LIBRARIES_H_
michael@0: #define SHARED_LIBRARIES_H_
michael@0: 
michael@0: #ifndef MOZ_ENABLE_PROFILER_SPS
michael@0: #error This header does not have a useful implementation on your platform!
michael@0: #endif
michael@0: 
michael@0: #include <algorithm>
michael@0: #include <vector>
michael@0: #include <string>
michael@0: #include <stdlib.h>
michael@0: #include <stdint.h>
michael@0: #include <nsID.h>
michael@0: 
michael@0: class SharedLibrary {
michael@0: public:
michael@0: 
michael@0:   SharedLibrary(uintptr_t aStart,
michael@0:                 uintptr_t aEnd,
michael@0:                 uintptr_t aOffset,
michael@0:                 const std::string& aBreakpadId,
michael@0:                 const std::string& aName)
michael@0:     : mStart(aStart)
michael@0:     , mEnd(aEnd)
michael@0:     , mOffset(aOffset)
michael@0:     , mBreakpadId(aBreakpadId)
michael@0:     , mName(aName)
michael@0:   {}
michael@0: 
michael@0:   SharedLibrary(const SharedLibrary& aEntry)
michael@0:     : mStart(aEntry.mStart)
michael@0:     , mEnd(aEntry.mEnd)
michael@0:     , mOffset(aEntry.mOffset)
michael@0:     , mBreakpadId(aEntry.mBreakpadId)
michael@0:     , mName(aEntry.mName)
michael@0:   {}
michael@0: 
michael@0:   SharedLibrary& operator=(const SharedLibrary& aEntry)
michael@0:   {
michael@0:     // Gracefully handle self assignment
michael@0:     if (this == &aEntry) return *this;
michael@0: 
michael@0:     mStart = aEntry.mStart;
michael@0:     mEnd = aEntry.mEnd;
michael@0:     mOffset = aEntry.mOffset;
michael@0:     mBreakpadId = aEntry.mBreakpadId;
michael@0:     mName = aEntry.mName;
michael@0:     return *this;
michael@0:   }
michael@0: 
michael@0:   bool operator==(const SharedLibrary& other) const
michael@0:   {
michael@0:     return (mStart == other.mStart) &&
michael@0:            (mEnd == other.mEnd) &&
michael@0:            (mOffset == other.mOffset) &&
michael@0:            (mName == other.mName) &&
michael@0:            (mBreakpadId == other.mBreakpadId);
michael@0:   }
michael@0: 
michael@0:   uintptr_t GetStart() const { return mStart; }
michael@0:   uintptr_t GetEnd() const { return mEnd; }
michael@0:   uintptr_t GetOffset() const { return mOffset; }
michael@0:   const std::string &GetBreakpadId() const { return mBreakpadId; }
michael@0:   const std::string &GetName() const { return mName; }
michael@0: 
michael@0: private:
michael@0:   SharedLibrary() {}
michael@0: 
michael@0:   uintptr_t mStart;
michael@0:   uintptr_t mEnd;
michael@0:   uintptr_t mOffset;
michael@0:   std::string mBreakpadId;
michael@0:   std::string mName;
michael@0: };
michael@0: 
michael@0: static bool
michael@0: CompareAddresses(const SharedLibrary& first, const SharedLibrary& second)
michael@0: {
michael@0:   return first.GetStart() < second.GetStart();
michael@0: }
michael@0: 
michael@0: class SharedLibraryInfo {
michael@0: public:
michael@0:   static SharedLibraryInfo GetInfoForSelf();
michael@0:   SharedLibraryInfo() {}
michael@0: 
michael@0:   void AddSharedLibrary(SharedLibrary entry)
michael@0:   {
michael@0:     mEntries.push_back(entry);
michael@0:   }
michael@0: 
michael@0:   const SharedLibrary& GetEntry(size_t i) const
michael@0:   {
michael@0:     return mEntries[i];
michael@0:   }
michael@0: 
michael@0:   // Removes items in the range [first, last)
michael@0:   // i.e. element at the "last" index is not removed
michael@0:   void RemoveEntries(size_t first, size_t last)
michael@0:   {
michael@0:     mEntries.erase(mEntries.begin() + first, mEntries.begin() + last);
michael@0:   }
michael@0: 
michael@0:   bool Contains(const SharedLibrary& searchItem) const
michael@0:   {
michael@0:     return (mEntries.end() !=
michael@0:               std::find(mEntries.begin(), mEntries.end(), searchItem));
michael@0:   }
michael@0: 
michael@0:   size_t GetSize() const
michael@0:   {
michael@0:     return mEntries.size();
michael@0:   }
michael@0: 
michael@0:   void SortByAddress()
michael@0:   {
michael@0:     std::sort(mEntries.begin(), mEntries.end(), CompareAddresses);
michael@0:   }
michael@0: 
michael@0:   void Clear()
michael@0:   {
michael@0:     mEntries.clear();
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   std::vector<SharedLibrary> mEntries;
michael@0: };
michael@0: 
michael@0: #endif