exetrace.hh revision 7720:65d338a8dba4 
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 __CPU_EXETRACE_HH__
33#define __CPU_EXETRACE_HH__
34
35#include "base/trace.hh"
36#include "base/types.hh"
37#include "cpu/static_inst.hh"
38#include "cpu/thread_context.hh"
39#include "params/ExeTracer.hh"
40#include "sim/insttracer.hh"
41
42class ThreadContext;
43
44namespace Trace {
45
46class ExeTracerRecord : public InstRecord
47{
48  public:
49    ExeTracerRecord(Tick _when, ThreadContext *_thread,
50               const StaticInstPtr _staticInst, TheISA::PCState _pc,
51               bool spec, const StaticInstPtr _macroStaticInst = NULL)
52        : InstRecord(_when, _thread, _staticInst, _pc, spec,
53                _macroStaticInst)
54    {
55    }
56
57    void traceInst(StaticInstPtr inst, bool ran);
58
59    void dump();
60    virtual void dumpTicks(std::ostream &outs);
61};
62
63class ExeTracer : public InstTracer
64{
65  public:
66    typedef ExeTracerParams Params;
67    ExeTracer(const Params *params) : InstTracer(params)
68    {}
69
70    InstRecord *
71    getInstRecord(Tick when, ThreadContext *tc,
72            const StaticInstPtr staticInst, TheISA::PCState pc,
73            const StaticInstPtr macroStaticInst = NULL)
74    {
75        if (!IsOn(ExecEnable))
76            return NULL;
77
78        if (!Trace::enabled)
79            return NULL;
80
81        if (!IsOn(ExecSpeculative) && tc->misspeculating())
82            return NULL;
83
84        return new ExeTracerRecord(when, tc,
85                staticInst, pc, tc->misspeculating(), macroStaticInst);
86    }
87};
88
89/* namespace Trace */ }
90
91#endif // __CPU_EXETRACE_HH__
92