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