2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
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.
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
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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * Authors: Nathan Binkert
32 #ifndef __PC_EVENT_HH__
33 #define __PC_EVENT_HH__
37 #include "base/misc.hh"
38 #include "base/types.hh"
46 std::string description;
51 PCEvent(PCEventQueue *q, const std::string &desc, Addr pc);
53 virtual ~PCEvent() { if (queue) remove(); }
56 virtual const std::string name() const { return description; }
58 std::string descr() const { return description; }
59 Addr pc() const { return evpc; }
62 virtual void process(ThreadContext *tc) = 0;
68 typedef PCEvent * record_t;
71 bool operator()(const record_t &l, const record_t &r) const {
72 return l->pc() < r->pc();
74 bool operator()(const record_t &l, Addr pc) const {
77 bool operator()(Addr pc, const record_t &r) const {
81 typedef std::vector<record_t> map_t;
84 typedef map_t::iterator iterator;
85 typedef map_t::const_iterator const_iterator;
88 typedef std::pair<iterator, iterator> range_t;
89 typedef std::pair<const_iterator, const_iterator> const_range_t;
94 bool doService(ThreadContext *tc);
100 bool remove(PCEvent *event);
101 bool schedule(PCEvent *event);
102 bool service(ThreadContext *tc)
107 return doService(tc);
110 range_t equal_range(Addr pc);
111 range_t equal_range(PCEvent *event) { return equal_range(event->pc()); }
118 PCEvent::PCEvent(PCEventQueue *q, const std::string &desc, Addr pc)
119 : description(desc), queue(q), evpc(pc)
121 queue->schedule(this);
128 panic("cannot remove an uninitialized event;");
130 return queue->remove(this);
133 class BreakPCEvent : public PCEvent
139 BreakPCEvent(PCEventQueue *q, const std::string &desc, Addr addr,
141 virtual void process(ThreadContext *tc);
144 #endif // __PC_EVENT_HH__