probe.cc revision 10365 
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 "debug/ProbeVerbose.hh"
41#include "sim/probe/probe.hh"
42
43ProbePoint::ProbePoint(ProbeManager *manager, const std::string& _name)
44    : name(_name)
45{
46    if (manager) {
47        manager->addPoint(*this);
48    }
49}
50
51ProbeListenerObject::ProbeListenerObject(const ProbeListenerObjectParams *params)
52    : SimObject(params),
53      manager(params->manager->getProbeManager())
54{
55}
56
57ProbeListenerObject::~ProbeListenerObject()
58{
59    for (auto l = listeners.begin(); l != listeners.end(); ++l) {
60        delete (*l);
61    }
62    listeners.clear();
63}
64
65ProbeListener::ProbeListener(ProbeManager *_manager, const std::string &_name)
66    : manager(_manager), name(_name)
67{
68    manager->addListener(name, *this);
69}
70
71ProbeListener::~ProbeListener()
72{
73    manager->removeListener(name, *this);
74}
75
76ProbeListenerObject*
77ProbeListenerObjectParams::create()
78{
79    return new ProbeListenerObject(this);
80}
81
82bool
83ProbeManager::addListener(std::string pointName, ProbeListener &listener)
84{
85    DPRINTFR(ProbeVerbose, "Probes: Call to addListener to \"%s\" on %s.\n", pointName, object->name());
86    bool added = false;
87    for (auto p = points.begin(); p != points.end(); ++p) {
88        if ((*p)->getName() == pointName) {
89            (*p)->addListener(&listener);
90            added = true;
91        }
92    }
93    if (!added) {
94        DPRINTFR(ProbeVerbose, "Probes: Call to addListener to \"%s\" on %s failed, no such point.\n", pointName, object->name());
95    }
96    return added;
97}
98
99bool
100ProbeManager::removeListener(std::string pointName, ProbeListener &listener)
101{
102    DPRINTFR(ProbeVerbose, "Probes: Call to removeListener from \"%s\" on %s.\n", pointName, object->name());
103    bool removed = false;
104    for (auto p = points.begin(); p != points.end(); ++p) {
105        if ((*p)->getName() == pointName) {
106            (*p)->removeListener(&listener);
107            removed = true;
108        }
109    }
110    if (!removed) {
111        DPRINTFR(ProbeVerbose, "Probes: Call to removeListener from \"%s\" on %s failed, no such point.\n", pointName, object->name());
112    }
113    return removed;
114}
115
116void
117ProbeManager::addPoint(ProbePoint &point)
118{
119    DPRINTFR(ProbeVerbose, "Probes: Call to addPoint \"%s\" to %s.\n", point.getName(), object->name());
120
121    for (auto p = points.begin(); p != points.end(); ++p) {
122        if ((*p)->getName() == point.getName()) {
123            DPRINTFR(ProbeVerbose, "Probes: Call to addPoint \"%s\" to %s failed, already added.\n", point.getName(), object->name());
124            return;
125        }
126    }
127    points.push_back(&point);
128}
129