src/cpu/exetrace.cc

   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  *          Lisa Hsu
  30  *          Nathan Binkert
  31  *          Steve Raasch
  32  */
  33
  34 #include <iomanip>
  35
  36 #include "base/loader/symtab.hh"
  37 #include "cpu/base.hh"
  38 #include "cpu/exetrace.hh"
  39 #include "cpu/static_inst.hh"
  40 #include "cpu/thread_context.hh"
  41 #include "enums/OpClass.hh"
  42
  43 using namespace std;
  44 using namespace TheISA;
  45
  46 namespace Trace {
  47
  48 void
  49 Trace::ExeTracerRecord::dump()
  50 {
  51     ostream &outs = Trace::output();
  52
  53     if (IsOn(ExecTicks))
  54         ccprintf(outs, "%7d: ", when);
  55
  56     outs << thread->getCpuPtr()->name() << " ";
  57
  58     if (IsOn(ExecSpeculative))
  59         outs << (misspeculating ? "-" : "+") << " ";
  60
  61     if (IsOn(ExecThread))
  62         outs << "T" << thread->getThreadNum() << " : ";
  63
  64
  65     std::string sym_str;
  66     Addr sym_addr;
  67     if (debugSymbolTable
  68         && IsOn(ExecSymbol)
  69         && debugSymbolTable->findNearestSymbol(PC, sym_str, sym_addr)) {
  70         if (PC != sym_addr)
  71             sym_str += csprintf("+%d", PC - sym_addr);
  72         outs << "@" << sym_str << " : ";
  73     }
  74     else {
  75         outs << "0x" << hex << PC << " : ";
  76     }
  77
  78     //
  79     //  Print decoded instruction
  80     //
  81
  82     outs << setw(26) << left;
  83     outs << staticInst->disassemble(PC, debugSymbolTable);
  84     outs << " : ";
  85
  86     if (IsOn(ExecOpClass)) {
  87         outs << Enums::OpClassStrings[staticInst->opClass()] << " : ";
  88     }
  89
  90     if (IsOn(ExecResult) && data_status != DataInvalid) {
  91         ccprintf(outs, " D=%#018x", data.as_int);
  92     }
  93
  94     if (IsOn(ExecEffAddr) && addr_valid)
  95         outs << " A=0x" << hex << addr;
  96
  97     if (IsOn(ExecFetchSeq) && fetch_seq_valid)
  98         outs << "  FetchSeq=" << dec << fetch_seq;
  99
 100     if (IsOn(ExecCPSeq) && cp_seq_valid)
 101         outs << "  CPSeq=" << dec << cp_seq;
 102
 103     //
 104     //  End of line...
 105     //
 106     outs << endl;
 107 }
 108
 109 /* namespace Trace */ }
 110
 111 ////////////////////////////////////////////////////////////////////////
 112 //
 113 //  ExeTracer Simulation Object
 114 //
 115 Trace::ExeTracer *
 116 ExeTracerParams::create()
 117 {
 118     return new Trace::ExeTracer(this);
 119 };