src/cpu/inteltrace.hh

   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 __INTELTRACE_HH__
  33 #define __INTELTRACE_HH__
  34
  35 #include "base/trace.hh"
  36 #include "cpu/static_inst.hh"
  37 #include "sim/host.hh"
  38 #include "sim/insttracer.hh"
  39
  40 class ThreadContext;
  41
  42
  43 namespace Trace {
  44
  45 class IntelTraceRecord : public InstRecord
  46 {
  47   public:
  48     IntelTraceRecord(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
  57 class IntelTrace : public InstTracer
  58 {
  59   public:
  60
  61     IntelTrace(const std::string & name) : InstTracer(name)
  62     {}
  63
  64     IntelTraceRecord *
  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 IntelTraceRecord(when, tc,
  78                 staticInst, pc, tc->misspeculating());
  79     }
  80 };
  81
  82 /* namespace Trace */ }
  83
  84 #endif // __EXETRACE_HH__