exetrace.cc revision 1717
1/* 2 * Copyright (c) 2001-2004 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 55 if (flags[PRINT_CYCLE]) 56 ccprintf(outs, "%7d: ", cycle); 57 58 outs << cpu->name() << " "; 59 60 if (flags[TRACE_MISSPEC]) 61 outs << (misspeculating ? "-" : "+") << " "; 62 63 if (flags[PRINT_THREAD_NUM]) 64 outs << "T" << thread << " : "; 65 66 67 std::string sym_str; 68 Addr sym_addr; 69 if (debugSymbolTable 70 && debugSymbolTable->findNearestSymbol(PC, sym_str, sym_addr)) { 71 if (PC != sym_addr) 72 sym_str += csprintf("+%d", PC - sym_addr); 73 outs << "@" << sym_str << " : "; 74 } 75 else { 76 outs << "0x" << hex << PC << " : "; 77 } 78 79 // 80 // Print decoded instruction 81 // 82 83#if defined(__GNUC__) && (__GNUC__ < 3) 84 // There's a bug in gcc 2.x library that prevents setw() 85 // from working properly on strings 86 string mc(staticInst->disassemble(PC, debugSymbolTable)); 87 while (mc.length() < 26) 88 mc += " "; 89 outs << mc; 90#else 91 outs << setw(26) << left << staticInst->disassemble(PC, debugSymbolTable); 92#endif 93 94 outs << " : "; 95 96 if (flags[PRINT_OP_CLASS]) { 97 outs << opClassStrings[staticInst->opClass()] << " : "; 98 } 99 100 if (flags[PRINT_RESULT_DATA] && data_status != DataInvalid) { 101 outs << " D="; 102#if 0 103 if (data_status == DataDouble) 104 ccprintf(outs, "%f", data.as_double); 105 else 106 ccprintf(outs, "%#018x", data.as_int); 107#else 108 ccprintf(outs, "%#018x", data.as_int); 109#endif 110 } 111 112 if (flags[PRINT_EFF_ADDR] && addr_valid) 113 outs << " A=0x" << hex << addr; 114 115 if (flags[PRINT_INT_REGS] && regs_valid) { 116 for (int i = 0; i < 32;) 117 for (int j = i + 1; i <= j; i++) 118 ccprintf(outs, "r%02d = %#018x%s", i, iregs->regs[i], 119 ((i == j) ? "\n" : " ")); 120 outs << "\n"; 121 } 122 123 if (flags[PRINT_FETCH_SEQ] && fetch_seq_valid) 124 outs << " FetchSeq=" << dec << fetch_seq; 125 126 if (flags[PRINT_CP_SEQ] && cp_seq_valid) 127 outs << " CPSeq=" << dec << cp_seq; 128 129 // 130 // End of line... 131 // 132 outs << endl; 133} 134 135 136vector<bool> Trace::InstRecord::flags(NUM_BITS); 137 138//////////////////////////////////////////////////////////////////////// 139// 140// Parameter space for per-cycle execution address tracing options. 141// Derive from ParamContext so we can override checkParams() function. 142// 143class ExecutionTraceParamContext : public ParamContext 144{ 145 public: 146 ExecutionTraceParamContext(const string &_iniSection) 147 : ParamContext(_iniSection) 148 { 149 } 150 151 void checkParams(); // defined at bottom of file 152}; 153 154ExecutionTraceParamContext exeTraceParams("exetrace"); 155 156Param<bool> exe_trace_spec(&exeTraceParams, "speculative", 157 "capture speculative instructions", true); 158 159Param<bool> exe_trace_print_cycle(&exeTraceParams, "print_cycle", 160 "print cycle number", true); 161Param<bool> exe_trace_print_opclass(&exeTraceParams, "print_opclass", 162 "print op class", true); 163Param<bool> exe_trace_print_thread(&exeTraceParams, "print_thread", 164 "print thread number", true); 165Param<bool> exe_trace_print_effaddr(&exeTraceParams, "print_effaddr", 166 "print effective address", true); 167Param<bool> exe_trace_print_data(&exeTraceParams, "print_data", 168 "print result data", true); 169Param<bool> exe_trace_print_iregs(&exeTraceParams, "print_iregs", 170 "print all integer regs", false); 171Param<bool> exe_trace_print_fetchseq(&exeTraceParams, "print_fetchseq", 172 "print fetch sequence number", false); 173Param<bool> exe_trace_print_cp_seq(&exeTraceParams, "print_cpseq", 174 "print correct-path sequence number", false); 175 176// 177// Helper function for ExecutionTraceParamContext::checkParams() just 178// to get us into the InstRecord namespace 179// 180void 181Trace::InstRecord::setParams() 182{ 183 flags[TRACE_MISSPEC] = exe_trace_spec; 184 185 flags[PRINT_CYCLE] = exe_trace_print_cycle; 186 flags[PRINT_OP_CLASS] = exe_trace_print_opclass; 187 flags[PRINT_THREAD_NUM] = exe_trace_print_thread; 188 flags[PRINT_RESULT_DATA] = exe_trace_print_effaddr; 189 flags[PRINT_EFF_ADDR] = exe_trace_print_data; 190 flags[PRINT_INT_REGS] = exe_trace_print_iregs; 191 flags[PRINT_FETCH_SEQ] = exe_trace_print_fetchseq; 192 flags[PRINT_CP_SEQ] = exe_trace_print_cp_seq; 193} 194 195void 196ExecutionTraceParamContext::checkParams() 197{ 198 Trace::InstRecord::setParams(); 199} 200 201