src/sim/probe/probe.cc

   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
  38 #include "sim/probe/probe.hh"
  39
  40 #include "debug/ProbeVerbose.hh"
  41 #include "params/ProbeListenerObject.hh"
  42
  43 ProbePoint::ProbePoint(ProbeManager *manager, const std::string& _name)
  44     : name(_name)
  45 {
  46     if (manager) {
  47         manager->addPoint(*this);
  48     }
  49 }
  50
  51 ProbeListenerObject::ProbeListenerObject(
  52         const ProbeListenerObjectParams &params)
  53     : SimObject(params),
  54       manager(params.manager->getProbeManager())
  55 {
  56 }
  57
  58 ProbeListenerObject::~ProbeListenerObject()
  59 {
  60     for (auto l = listeners.begin(); l != listeners.end(); ++l) {
  61         delete (*l);
  62     }
  63     listeners.clear();
  64 }
  65
  66 ProbeListener::ProbeListener(ProbeManager *_manager, const std::string &_name)
  67     : manager(_manager), name(_name)
  68 {
  69     manager->addListener(name, *this);
  70 }
  71
  72 ProbeListener::~ProbeListener()
  73 {
  74     manager->removeListener(name, *this);
  75 }
  76
  77 ProbeListenerObject*
  78 ProbeListenerObjectParams::create() const
  79 {
  80     return new ProbeListenerObject(*this);
  81 }
  82
  83 bool
  84 ProbeManager::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
 100 bool
 101 ProbeManager::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
 117 void
 118 ProbeManager::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 }