cpuevent.cc revision 2651:76db2c628241 
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 execution
34 * contexts as needed. */
35CpuEvent::CpuEventList CpuEvent::cpuEventList;
36
37CpuEvent::~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
50void
51CpuEvent::replaceExecContext(ExecContext *oldXc, ExecContext *newXc)
52{
53    CpuEventList::iterator i;
54
55    // Update any events that have the old execution context with the new exec
56    // context
57    for (i = cpuEventList.begin(); i != cpuEventList.end(); i++) {
58        if ((*i)->xc == oldXc)
59            (*i)->xc = newXc;
60    }
61}
62