gecko-dev/tools/profiler/shared-libraries.h

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3.2 KiB
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla code.
*
* The Initial Developer of the Original Code is the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jeff Muizelaar <jmuizelaar@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <vector>
#include <string.h>
#include <stdlib.h>
#include <mozilla/StdInt.h>
class SharedLibrary {
public:
SharedLibrary(unsigned long aStart, unsigned long aEnd, unsigned long aOffset, char *aName)
: mStart(aStart)
, mEnd(aEnd)
, mOffset(aOffset)
, mName(strdup(aName))
{}
SharedLibrary(const SharedLibrary& aEntry)
: mStart(aEntry.mStart)
, mEnd(aEntry.mEnd)
, mOffset(aEntry.mOffset)
, mName(strdup(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;
if (mName)
free(mName);
mName = strdup(aEntry.mName);
return *this;
}
~SharedLibrary()
{
free(mName);
}
uintptr_t GetStart() { return mStart; }
uintptr_t GetEnd() { return mEnd; }
char* GetName() { return mName; }
private:
explicit SharedLibrary() {}
uintptr_t mStart;
uintptr_t mEnd;
uintptr_t mOffset;
char *mName;
};
class SharedLibraryInfo {
public:
static SharedLibraryInfo GetInfoForSelf();
SharedLibraryInfo() {}
void AddSharedLibrary(SharedLibrary entry)
{
mEntries.push_back(entry);
}
SharedLibrary& GetEntry(size_t i)
{
return mEntries[i];
}
size_t GetSize()
{
return mEntries.size();
}
private:
std::vector<SharedLibrary> mEntries;
};