exetrace.hh revision 8232 
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 "debug/ExecEnable.hh"
40#include "debug/ExecSpeculative.hh"
41#include "params/ExeTracer.hh"
42#include "sim/insttracer.hh"
43
44class ThreadContext;
45
46namespace Trace {
47
48class ExeTracerRecord : public InstRecord
49{
50  public:
51    ExeTracerRecord(Tick _when, ThreadContext *_thread,
52               const StaticInstPtr _staticInst, TheISA::PCState _pc,
53               bool spec, const StaticInstPtr _macroStaticInst = NULL)
54        : InstRecord(_when, _thread, _staticInst, _pc, spec,
55                _macroStaticInst)
56    {
57    }
58
59    void traceInst(StaticInstPtr inst, bool ran);
60
61    void dump();
62    virtual void dumpTicks(std::ostream &outs);
63};
64
65class ExeTracer : public InstTracer
66{
67  public:
68    typedef ExeTracerParams Params;
69    ExeTracer(const Params *params) : InstTracer(params)
70    {}
71
72    InstRecord *
73    getInstRecord(Tick when, ThreadContext *tc,
74            const StaticInstPtr staticInst, TheISA::PCState pc,
75            const StaticInstPtr macroStaticInst = NULL)
76    {
77        if (!Debug::ExecEnable)
78            return NULL;
79
80        if (!Trace::enabled)
81            return NULL;
82
83        if (!Debug::ExecSpeculative && tc->misspeculating())
84            return NULL;
85
86        return new ExeTracerRecord(when, tc,
87                staticInst, pc, tc->misspeculating(), macroStaticInst);
88    }
89};
90
91} // namespace Trace
92
93#endif // __CPU_EXETRACE_HH__
94