exetrace.cc revision 1967
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 29#include <fstream> 30#include <iomanip> 31 32#include "sim/param.hh" 33#include "encumbered/cpu/full/dyn_inst.hh" 34#include "encumbered/cpu/full/spec_state.hh" 35#include "encumbered/cpu/full/issue.hh" 36#include "cpu/exetrace.hh" 37#include "cpu/exec_context.hh" 38#include "base/loader/symtab.hh" 39#include "cpu/base.hh" 40#include "cpu/static_inst.hh" 41 42using namespace std; 43 44 45//////////////////////////////////////////////////////////////////////// 46// 47// Methods for the InstRecord object 48// 49 50 51void 52Trace::InstRecord::dump(ostream &outs) 53{ 54 if (flags[INTEL_FORMAT]) { 55 if (cpu->system->name() == trace_system) { 56 ccprintf(outs, "%7d ) ", cycle); 57 outs << "0x" << hex << PC << ":\t"; 58 if (staticInst->isLoad()) { 59 outs << "<RD 0x" << hex << addr; 60 outs << ">"; 61 } else if (staticInst->isStore()) { 62 outs << "<WR 0x" << hex << addr; 63 outs << ">"; 64 } 65 outs << endl; 66 } 67 } else { 68 if (flags[PRINT_CYCLE]) 69 ccprintf(outs, "%7d: ", cycle); 70 71 outs << cpu->name() << " "; 72 73 if (flags[TRACE_MISSPEC]) 74 outs << (misspeculating ? "-" : "+") << " "; 75 76 if (flags[PRINT_THREAD_NUM]) 77 outs << "T" << thread << " : "; 78 79 80 std::string sym_str; 81 Addr sym_addr; 82 if (debugSymbolTable 83 && debugSymbolTable->findNearestSymbol(PC, sym_str, sym_addr)) { 84 if (PC != sym_addr) 85 sym_str += csprintf("+%d", PC - sym_addr); 86 outs << "@" << sym_str << " : "; 87 } 88 else { 89 outs << "0x" << hex << PC << " : "; 90 } 91 92 // 93 // Print decoded instruction 94 // 95 96#if defined(__GNUC__) && (__GNUC__ < 3) 97 // There's a bug in gcc 2.x library that prevents setw() 98 // from working properly on strings 99 string mc(staticInst->disassemble(PC, debugSymbolTable)); 100 while (mc.length() < 26) 101 mc += " "; 102 outs << mc; 103#else 104 outs << setw(26) << left << staticInst->disassemble(PC, debugSymbolTable); 105#endif 106 107 outs << " : "; 108 109 if (flags[PRINT_OP_CLASS]) { 110 outs << opClassStrings[staticInst->opClass()] << " : "; 111 } 112 113 if (flags[PRINT_RESULT_DATA] && data_status != DataInvalid) { 114 outs << " D="; 115#if 0 116 if (data_status == DataDouble) 117 ccprintf(outs, "%f", data.as_double); 118 else 119 ccprintf(outs, "%#018x", data.as_int); 120#else 121 ccprintf(outs, "%#018x", data.as_int); 122#endif 123 } 124 125 if (flags[PRINT_EFF_ADDR] && addr_valid) 126 outs << " A=0x" << hex << addr; 127 128 if (flags[PRINT_INT_REGS] && regs_valid) { 129 for (int i = 0; i < 32;) 130 for (int j = i + 1; i <= j; i++) 131 ccprintf(outs, "r%02d = %#018x%s", i, iregs->regs[i], 132 ((i == j) ? "\n" : " ")); 133 outs << "\n"; 134 } 135 136 if (flags[PRINT_FETCH_SEQ] && fetch_seq_valid) 137 outs << " FetchSeq=" << dec << fetch_seq; 138 139 if (flags[PRINT_CP_SEQ] && cp_seq_valid) 140 outs << " CPSeq=" << dec << cp_seq; 141 142 // 143 // End of line... 144 // 145 outs << endl; 146 } 147} 148 149 150vector<bool> Trace::InstRecord::flags(NUM_BITS); 151string Trace::InstRecord::trace_system; 152 153//////////////////////////////////////////////////////////////////////// 154// 155// Parameter space for per-cycle execution address tracing options. 156// Derive from ParamContext so we can override checkParams() function. 157// 158class ExecutionTraceParamContext : public ParamContext 159{ 160 public: 161 ExecutionTraceParamContext(const string &_iniSection) 162 : ParamContext(_iniSection) 163 { 164 } 165 166 void checkParams(); // defined at bottom of file 167}; 168 169ExecutionTraceParamContext exeTraceParams("exetrace"); 170 171Param<bool> exe_trace_spec(&exeTraceParams, "speculative", 172 "capture speculative instructions", true); 173 174Param<bool> exe_trace_print_cycle(&exeTraceParams, "print_cycle", 175 "print cycle number", true); 176Param<bool> exe_trace_print_opclass(&exeTraceParams, "print_opclass", 177 "print op class", true); 178Param<bool> exe_trace_print_thread(&exeTraceParams, "print_thread", 179 "print thread number", true); 180Param<bool> exe_trace_print_effaddr(&exeTraceParams, "print_effaddr", 181 "print effective address", true); 182Param<bool> exe_trace_print_data(&exeTraceParams, "print_data", 183 "print result data", true); 184Param<bool> exe_trace_print_iregs(&exeTraceParams, "print_iregs", 185 "print all integer regs", false); 186Param<bool> exe_trace_print_fetchseq(&exeTraceParams, "print_fetchseq", 187 "print fetch sequence number", false); 188Param<bool> exe_trace_print_cp_seq(&exeTraceParams, "print_cpseq", 189 "print correct-path sequence number", false); 190Param<bool> exe_trace_intel_format(&exeTraceParams, "intel_format", 191 "print trace in intel compatible format", false); 192Param<string> exe_trace_system(&exeTraceParams, "trace_system", 193 "print trace of which system (client or server)", 194 "client"); 195 196 197// 198// Helper function for ExecutionTraceParamContext::checkParams() just 199// to get us into the InstRecord namespace 200// 201void 202Trace::InstRecord::setParams() 203{ 204 flags[TRACE_MISSPEC] = exe_trace_spec; 205 206 flags[PRINT_CYCLE] = exe_trace_print_cycle; 207 flags[PRINT_OP_CLASS] = exe_trace_print_opclass; 208 flags[PRINT_THREAD_NUM] = exe_trace_print_thread; 209 flags[PRINT_RESULT_DATA] = exe_trace_print_effaddr; 210 flags[PRINT_EFF_ADDR] = exe_trace_print_data; 211 flags[PRINT_INT_REGS] = exe_trace_print_iregs; 212 flags[PRINT_FETCH_SEQ] = exe_trace_print_fetchseq; 213 flags[PRINT_CP_SEQ] = exe_trace_print_cp_seq; 214 flags[INTEL_FORMAT] = exe_trace_intel_format; 215 trace_system = exe_trace_system; 216} 217 218void 219ExecutionTraceParamContext::checkParams() 220{ 221 Trace::InstRecord::setParams(); 222} 223 224