exetrace.cc revision 5947:3305e17db621
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 43using namespace std; 44using namespace TheISA; 45 46namespace Trace { 47 48void 49ExeTracerRecord::dumpTicks(ostream &outs) 50{ 51 ccprintf(outs, "%7d: ", when); 52} 53 54void 55Trace::ExeTracerRecord::traceInst(StaticInstPtr inst, bool ran) 56{ 57 ostream &outs = Trace::output(); 58 59 if (IsOn(ExecTicks)) 60 dumpTicks(outs); 61 62 outs << thread->getCpuPtr()->name() << " "; 63 64 if (IsOn(ExecSpeculative)) 65 outs << (misspeculating ? "-" : "+") << " "; 66 67 if (IsOn(ExecThread)) 68 outs << "T" << thread->threadId() << " : "; 69 70 std::string sym_str; 71 Addr sym_addr; 72 if (debugSymbolTable 73 && IsOn(ExecSymbol) 74#if FULL_SYSTEM 75 && !inUserMode(thread) 76#endif 77 && debugSymbolTable->findNearestSymbol(PC, sym_str, sym_addr)) { 78 if (PC != sym_addr) 79 sym_str += csprintf("+%d", PC - sym_addr); 80 outs << "@" << sym_str; 81 } 82 else { 83 outs << "0x" << hex << PC; 84 } 85 86 if (inst->isMicroop()) { 87 outs << "." << setw(2) << dec << upc; 88 } else { 89 outs << " "; 90 } 91 92 outs << " : "; 93 94 // 95 // Print decoded instruction 96 // 97 98 outs << setw(26) << left; 99 outs << inst->disassemble(PC, debugSymbolTable); 100 101 if (ran) { 102 outs << " : "; 103 104 if (IsOn(ExecOpClass)) { 105 outs << Enums::OpClassStrings[inst->opClass()] << " : "; 106 } 107 108 if (IsOn(ExecResult) && data_status != DataInvalid) { 109 ccprintf(outs, " D=%#018x", data.as_int); 110 } 111 112 if (IsOn(ExecEffAddr) && addr_valid) 113 outs << " A=0x" << hex << addr; 114 115 if (IsOn(ExecFetchSeq) && fetch_seq_valid) 116 outs << " FetchSeq=" << dec << fetch_seq; 117 118 if (IsOn(ExecCPSeq) && cp_seq_valid) 119 outs << " CPSeq=" << dec << cp_seq; 120 } 121 122 // 123 // End of line... 124 // 125 outs << endl; 126} 127 128void 129Trace::ExeTracerRecord::dump() 130{ 131 /* 132 * The behavior this check tries to achieve is that if ExecMacro is on, 133 * the macroop will be printed. If it's on and microops are also on, it's 134 * printed before the microops start printing to give context. If the 135 * microops aren't printed, then it's printed only when the final microop 136 * finishes. Macroops then behave like regular instructions and don't 137 * complete/print when they fault. 138 */ 139 if (IsOn(ExecMacro) && staticInst->isMicroop() && 140 ((IsOn(ExecMicro) && 141 macroStaticInst && staticInst->isFirstMicroop()) || 142 (!IsOn(ExecMicro) && 143 macroStaticInst && staticInst->isLastMicroop()))) { 144 traceInst(macroStaticInst, false); 145 } 146 if (IsOn(ExecMicro) || !staticInst->isMicroop()) { 147 traceInst(staticInst, true); 148 } 149} 150 151/* namespace Trace */ } 152 153//////////////////////////////////////////////////////////////////////// 154// 155// ExeTracer Simulation Object 156// 157Trace::ExeTracer * 158ExeTracerParams::create() 159{ 160 return new Trace::ExeTracer(this); 161}; 162