exetrace.cc revision 2973:56dea3a9d279
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 <fstream> 35#include <iomanip> 36 37#include "arch/regfile.hh" 38#include "base/loader/symtab.hh" 39#include "cpu/base.hh" 40#include "cpu/exetrace.hh" 41#include "cpu/static_inst.hh" 42#include "sim/param.hh" 43#include "sim/system.hh" 44 45using namespace std; 46using namespace TheISA; 47 48//////////////////////////////////////////////////////////////////////// 49// 50// Methods for the InstRecord object 51// 52 53 54void 55Trace::InstRecord::dump(ostream &outs) 56{ 57 if (flags[PRINT_REG_DELTA]) 58 { 59 outs << "PC = 0x" << setbase(16) 60 << setfill('0') 61 << setw(16) << PC << endl; 62 outs << setbase(10) 63 << setfill(' ') 64 << setw(0); 65 /* 66 int numSources = staticInst->numSrcRegs(); 67 int numDests = staticInst->numDestRegs(); 68 outs << "Sources:"; 69 for(int x = 0; x < numSources; x++) 70 { 71 int sourceNum = staticInst->srcRegIdx(x); 72 if(sourceNum < FP_Base_DepTag) 73 outs << " " << getIntRegName(sourceNum); 74 else if(sourceNum < Ctrl_Base_DepTag) 75 outs << " " << getFloatRegName(sourceNum - FP_Base_DepTag); 76 else 77 outs << " " << getMiscRegName(sourceNum - Ctrl_Base_DepTag); 78 } 79 outs << endl; 80 outs << "Destinations:"; 81 for(int x = 0; x < numDests; x++) 82 { 83 int destNum = staticInst->destRegIdx(x); 84 if(destNum < FP_Base_DepTag) 85 outs << " " << getIntRegName(destNum); 86 else if(destNum < Ctrl_Base_DepTag) 87 outs << " " << getFloatRegName(destNum - FP_Base_DepTag); 88 else 89 outs << " " << getMiscRegName(destNum - Ctrl_Base_DepTag); 90 } 91 outs << endl;*/ 92 } 93 else if (flags[INTEL_FORMAT]) { 94#if FULL_SYSTEM 95 bool is_trace_system = (cpu->system->name() == trace_system); 96#else 97 bool is_trace_system = true; 98#endif 99 if (is_trace_system) { 100 ccprintf(outs, "%7d ) ", cycle); 101 outs << "0x" << hex << PC << ":\t"; 102 if (staticInst->isLoad()) { 103 outs << "<RD 0x" << hex << addr; 104 outs << ">"; 105 } else if (staticInst->isStore()) { 106 outs << "<WR 0x" << hex << addr; 107 outs << ">"; 108 } 109 outs << endl; 110 } 111 } else { 112 if (flags[PRINT_CYCLE]) 113 ccprintf(outs, "%7d: ", cycle); 114 115 outs << cpu->name() << " "; 116 117 if (flags[TRACE_MISSPEC]) 118 outs << (misspeculating ? "-" : "+") << " "; 119 120 if (flags[PRINT_THREAD_NUM]) 121 outs << "T" << thread << " : "; 122 123 124 std::string sym_str; 125 Addr sym_addr; 126 if (debugSymbolTable 127 && debugSymbolTable->findNearestSymbol(PC, sym_str, sym_addr) 128 && flags[PC_SYMBOL]) { 129 if (PC != sym_addr) 130 sym_str += csprintf("+%d", PC - sym_addr); 131 outs << "@" << sym_str << " : "; 132 } 133 else { 134 outs << "0x" << hex << PC << " : "; 135 } 136 137 // 138 // Print decoded instruction 139 // 140 141#if defined(__GNUC__) && (__GNUC__ < 3) 142 // There's a bug in gcc 2.x library that prevents setw() 143 // from working properly on strings 144 string mc(staticInst->disassemble(PC, debugSymbolTable)); 145 while (mc.length() < 26) 146 mc += " "; 147 outs << mc; 148#else 149 outs << setw(26) << left << staticInst->disassemble(PC, debugSymbolTable); 150#endif 151 152 outs << " : "; 153 154 if (flags[PRINT_OP_CLASS]) { 155 outs << opClassStrings[staticInst->opClass()] << " : "; 156 } 157 158 if (flags[PRINT_RESULT_DATA] && data_status != DataInvalid) { 159 outs << " D="; 160#if 0 161 if (data_status == DataDouble) 162 ccprintf(outs, "%f", data.as_double); 163 else 164 ccprintf(outs, "%#018x", data.as_int); 165#else 166 ccprintf(outs, "%#018x", data.as_int); 167#endif 168 } 169 170 if (flags[PRINT_EFF_ADDR] && addr_valid) 171 outs << " A=0x" << hex << addr; 172 173 if (flags[PRINT_INT_REGS] && regs_valid) { 174 for (int i = 0; i < TheISA::NumIntRegs;) 175 for (int j = i + 1; i <= j; i++) 176 ccprintf(outs, "r%02d = %#018x%s", i, 177 iregs->regs.readReg(i), 178 ((i == j) ? "\n" : " ")); 179 outs << "\n"; 180 } 181 182 if (flags[PRINT_FETCH_SEQ] && fetch_seq_valid) 183 outs << " FetchSeq=" << dec << fetch_seq; 184 185 if (flags[PRINT_CP_SEQ] && cp_seq_valid) 186 outs << " CPSeq=" << dec << cp_seq; 187 188 // 189 // End of line... 190 // 191 outs << endl; 192 } 193} 194 195 196vector<bool> Trace::InstRecord::flags(NUM_BITS); 197string Trace::InstRecord::trace_system; 198 199//////////////////////////////////////////////////////////////////////// 200// 201// Parameter space for per-cycle execution address tracing options. 202// Derive from ParamContext so we can override checkParams() function. 203// 204class ExecutionTraceParamContext : public ParamContext 205{ 206 public: 207 ExecutionTraceParamContext(const string &_iniSection) 208 : ParamContext(_iniSection) 209 { 210 } 211 212 void checkParams(); // defined at bottom of file 213}; 214 215ExecutionTraceParamContext exeTraceParams("exetrace"); 216 217Param<bool> exe_trace_spec(&exeTraceParams, "speculative", 218 "capture speculative instructions", true); 219 220Param<bool> exe_trace_print_cycle(&exeTraceParams, "print_cycle", 221 "print cycle number", true); 222Param<bool> exe_trace_print_opclass(&exeTraceParams, "print_opclass", 223 "print op class", true); 224Param<bool> exe_trace_print_thread(&exeTraceParams, "print_thread", 225 "print thread number", true); 226Param<bool> exe_trace_print_effaddr(&exeTraceParams, "print_effaddr", 227 "print effective address", true); 228Param<bool> exe_trace_print_data(&exeTraceParams, "print_data", 229 "print result data", true); 230Param<bool> exe_trace_print_iregs(&exeTraceParams, "print_iregs", 231 "print all integer regs", false); 232Param<bool> exe_trace_print_fetchseq(&exeTraceParams, "print_fetchseq", 233 "print fetch sequence number", false); 234Param<bool> exe_trace_print_cp_seq(&exeTraceParams, "print_cpseq", 235 "print correct-path sequence number", false); 236Param<bool> exe_trace_print_reg_delta(&exeTraceParams, "print_reg_delta", 237 "print which registers changed to what", false); 238Param<bool> exe_trace_pc_symbol(&exeTraceParams, "pc_symbol", 239 "Use symbols for the PC if available", true); 240Param<bool> exe_trace_intel_format(&exeTraceParams, "intel_format", 241 "print trace in intel compatible format", false); 242Param<string> exe_trace_system(&exeTraceParams, "trace_system", 243 "print trace of which system (client or server)", 244 "client"); 245 246 247// 248// Helper function for ExecutionTraceParamContext::checkParams() just 249// to get us into the InstRecord namespace 250// 251void 252Trace::InstRecord::setParams() 253{ 254 flags[TRACE_MISSPEC] = exe_trace_spec; 255 256 flags[PRINT_CYCLE] = exe_trace_print_cycle; 257 flags[PRINT_OP_CLASS] = exe_trace_print_opclass; 258 flags[PRINT_THREAD_NUM] = exe_trace_print_thread; 259 flags[PRINT_RESULT_DATA] = exe_trace_print_effaddr; 260 flags[PRINT_EFF_ADDR] = exe_trace_print_data; 261 flags[PRINT_INT_REGS] = exe_trace_print_iregs; 262 flags[PRINT_FETCH_SEQ] = exe_trace_print_fetchseq; 263 flags[PRINT_CP_SEQ] = exe_trace_print_cp_seq; 264 flags[PRINT_REG_DELTA] = exe_trace_print_reg_delta; 265 flags[PC_SYMBOL] = exe_trace_pc_symbol; 266 flags[INTEL_FORMAT] = exe_trace_intel_format; 267 trace_system = exe_trace_system; 268} 269 270void 271ExecutionTraceParamContext::checkParams() 272{ 273 Trace::InstRecord::setParams(); 274} 275 276