exetrace.hh revision 5784 
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#include "params/ExeTracer.hh"
40
41class ThreadContext;
42
43
44namespace Trace {
45
46class ExeTracerRecord : public InstRecord
47{
48  public:
49    ExeTracerRecord(Tick _when, ThreadContext *_thread,
50               const StaticInstPtr _staticInst, Addr _pc, bool spec,
51               const StaticInstPtr _macroStaticInst = NULL, MicroPC _upc = 0)
52        : InstRecord(_when, _thread, _staticInst, _pc, spec,
53                _macroStaticInst, _upc)
54    {
55    }
56
57    void traceInst(StaticInstPtr inst, bool ran);
58
59    void dump();
60};
61
62class ExeTracer : public InstTracer
63{
64  public:
65    typedef ExeTracerParams Params;
66    ExeTracer(const Params *params) : InstTracer(params)
67    {}
68
69    InstRecord *
70    getInstRecord(Tick when, ThreadContext *tc,
71            const StaticInstPtr staticInst, Addr pc,
72            const StaticInstPtr macroStaticInst = NULL, MicroPC upc = 0)
73    {
74        if (!IsOn(ExecEnable))
75            return NULL;
76
77        if (!Trace::enabled)
78            return NULL;
79
80        if (!IsOn(ExecSpeculative) && tc->misspeculating())
81            return NULL;
82
83        return new ExeTracerRecord(when, tc,
84                staticInst, pc, tc->misspeculating(), macroStaticInst, upc);
85    }
86};
87
88/* namespace Trace */ }
89
90#endif // __EXETRACE_HH__
91