probe.cc revision 11793 
1/*
2 * Copyright (c) 2013 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Matt Horsnell
38 */
39
40#include "sim/probe/probe.hh"
41
42#include "debug/ProbeVerbose.hh"
43
44ProbePoint::ProbePoint(ProbeManager *manager, const std::string& _name)
45    : name(_name)
46{
47    if (manager) {
48        manager->addPoint(*this);
49    }
50}
51
52ProbeListenerObject::ProbeListenerObject(const ProbeListenerObjectParams *params)
53    : SimObject(params),
54      manager(params->manager->getProbeManager())
55{
56}
57
58ProbeListenerObject::~ProbeListenerObject()
59{
60    for (auto l = listeners.begin(); l != listeners.end(); ++l) {
61        delete (*l);
62    }
63    listeners.clear();
64}
65
66ProbeListener::ProbeListener(ProbeManager *_manager, const std::string &_name)
67    : manager(_manager), name(_name)
68{
69    manager->addListener(name, *this);
70}
71
72ProbeListener::~ProbeListener()
73{
74    manager->removeListener(name, *this);
75}
76
77ProbeListenerObject*
78ProbeListenerObjectParams::create()
79{
80    return new ProbeListenerObject(this);
81}
82
83bool
84ProbeManager::addListener(std::string pointName, ProbeListener &listener)
85{
86    DPRINTFR(ProbeVerbose, "Probes: Call to addListener to \"%s\" on %s.\n", pointName, object->name());
87    bool added = false;
88    for (auto p = points.begin(); p != points.end(); ++p) {
89        if ((*p)->getName() == pointName) {
90            (*p)->addListener(&listener);
91            added = true;
92        }
93    }
94    if (!added) {
95        DPRINTFR(ProbeVerbose, "Probes: Call to addListener to \"%s\" on %s failed, no such point.\n", pointName, object->name());
96    }
97    return added;
98}
99
100bool
101ProbeManager::removeListener(std::string pointName, ProbeListener &listener)
102{
103    DPRINTFR(ProbeVerbose, "Probes: Call to removeListener from \"%s\" on %s.\n", pointName, object->name());
104    bool removed = false;
105    for (auto p = points.begin(); p != points.end(); ++p) {
106        if ((*p)->getName() == pointName) {
107            (*p)->removeListener(&listener);
108            removed = true;
109        }
110    }
111    if (!removed) {
112        DPRINTFR(ProbeVerbose, "Probes: Call to removeListener from \"%s\" on %s failed, no such point.\n", pointName, object->name());
113    }
114    return removed;
115}
116
117void
118ProbeManager::addPoint(ProbePoint &point)
119{
120    DPRINTFR(ProbeVerbose, "Probes: Call to addPoint \"%s\" to %s.\n", point.getName(), object->name());
121
122    for (auto p = points.begin(); p != points.end(); ++p) {
123        if ((*p)->getName() == point.getName()) {
124            DPRINTFR(ProbeVerbose, "Probes: Call to addPoint \"%s\" to %s failed, already added.\n", point.getName(), object->name());
125            return;
126        }
127    }
128    points.push_back(&point);
129}
130