exetrace.hh revision 4776:8c8407243a2c 
1/*
2 * Copyright (c) 2001-2005 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: Steve Reinhardt
29 *          Nathan Binkert
30 */
31
32#ifndef __EXETRACE_HH__
33#define __EXETRACE_HH__
34
35#include "base/trace.hh"
36#include "cpu/static_inst.hh"
37#include "sim/host.hh"
38#include "sim/insttracer.hh"
39
40class ThreadContext;
41
42
43namespace Trace {
44
45class ExeTracerRecord : public InstRecord
46{
47  public:
48    ExeTracerRecord(Tick _when, ThreadContext *_thread,
49               const StaticInstPtr &_staticInst, Addr _pc, bool spec)
50        : InstRecord(_when, _thread, _staticInst, _pc, spec)
51    {
52    }
53
54    void dump();
55};
56
57class ExeTracer : public InstTracer
58{
59  public:
60
61    ExeTracer(const std::string & name) : InstTracer(name)
62    {}
63
64    InstRecord *
65    getInstRecord(Tick when, ThreadContext *tc,
66            const StaticInstPtr staticInst, Addr pc)
67    {
68        if (!IsOn(ExecEnable))
69            return NULL;
70
71        if (!Trace::enabled)
72            return NULL;
73
74        if (!IsOn(ExecSpeculative) && tc->misspeculating())
75            return NULL;
76
77        return new ExeTracerRecord(when, tc,
78                staticInst, pc, tc->misspeculating());
79    }
80};
81
82/* namespace Trace */ }
83
84#endif // __EXETRACE_HH__
85