src/cpu/cpuevent.cc

   1 /*
   2  * Copyright (c) 2006 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Authors: Ali Saidi
  29  */
  30
  31 #include "cpu/cpuevent.hh"
  32
  33 /** Static list of all CpuEvent objects so we can modify their thread
  34  * contexts as needed. */
  35 CpuEvent::CpuEventList CpuEvent::cpuEventList;
  36
  37 CpuEvent::~CpuEvent()
  38 {
  39     CpuEventList::iterator i;
  40
  41     // delete the event from the global list
  42     for (i = cpuEventList.begin(); i != cpuEventList.end(); ) {
  43         if (*i == this)
  44             i = cpuEventList.erase(i);
  45         else
  46             i++;
  47     }
  48 }
  49
  50 void
  51 CpuEvent::replaceThreadContext(ThreadContext *oldTc, ThreadContext *newTc)
  52 {
  53     CpuEventList::iterator i;
  54
  55     // Update any events that have the old thread context with the new thread
  56     // context
  57     for (i = cpuEventList.begin(); i != cpuEventList.end(); i++) {
  58         if ((*i)->tc == oldTc)
  59             (*i)->tc = newTc;
  60     }
  61 }