statetrace.cc revision 4779
14997Sgblack@eecs.umich.edu/* 24997Sgblack@eecs.umich.edu * Copyright (c) 2006-2007 The Regents of The University of Michigan 34997Sgblack@eecs.umich.edu * All rights reserved. 44997Sgblack@eecs.umich.edu * 54997Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 64997Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 74997Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 84997Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 94997Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 104997Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 114997Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 124997Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 134997Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 144997Sgblack@eecs.umich.edu * this software without specific prior written permission. 154997Sgblack@eecs.umich.edu * 164997Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 174997Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 184997Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 194997Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 204997Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 214997Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 224997Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 234997Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 244997Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 254997Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 264997Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 274997Sgblack@eecs.umich.edu * 284997Sgblack@eecs.umich.edu * Authors: Gabe Black 294997Sgblack@eecs.umich.edu */ 304997Sgblack@eecs.umich.edu 314997Sgblack@eecs.umich.edu#include <iostream> 324997Sgblack@eecs.umich.edu#include <fstream> 334997Sgblack@eecs.umich.edu#include <string> 344997Sgblack@eecs.umich.edu#include <sys/types.h> 354997Sgblack@eecs.umich.edu#include <sys/wait.h> 364997Sgblack@eecs.umich.edu#include <sys/ptrace.h> 374997Sgblack@eecs.umich.edu#include <unistd.h> 384997Sgblack@eecs.umich.edu#include <stdio.h> 394997Sgblack@eecs.umich.edu#include <sys/types.h> 404997Sgblack@eecs.umich.edu#include <sys/socket.h> 414997Sgblack@eecs.umich.edu#include <netinet/in.h> 424997Sgblack@eecs.umich.edu#include <netdb.h> 434997Sgblack@eecs.umich.edu#include <errno.h> 444997Sgblack@eecs.umich.edu 454997Sgblack@eecs.umich.edu#include "printer.hh" 464997Sgblack@eecs.umich.edu#include "tracechild.hh" 474997Sgblack@eecs.umich.edu 484997Sgblack@eecs.umich.eduusing namespace std; 494997Sgblack@eecs.umich.edu 504997Sgblack@eecs.umich.eduvoid printUsage(const char * execName) 514997Sgblack@eecs.umich.edu{ 524997Sgblack@eecs.umich.edu cout << execName << " -h | -r -- <command> <arguments>" << endl; 534997Sgblack@eecs.umich.edu} 544997Sgblack@eecs.umich.edu 554997Sgblack@eecs.umich.eduint main(int argc, char * argv[], char * envp[]) 565236Sgblack@eecs.umich.edu{ 574997Sgblack@eecs.umich.edu TraceChild * child = genTraceChild(); 585237Sgblack@eecs.umich.edu string args; 595245Sgblack@eecs.umich.edu int startProgramArgs; 605628Sgblack@eecs.umich.edu 615236Sgblack@eecs.umich.edu //Parse the command line arguments 625245Sgblack@eecs.umich.edu bool printInitial = false; 635245Sgblack@eecs.umich.edu bool printTrace = true; 645245Sgblack@eecs.umich.edu for(int x = 1; x < argc; x++) 655610Snate@binkert.org { 665245Sgblack@eecs.umich.edu if(!strcmp(argv[x], "-h")) 675245Sgblack@eecs.umich.edu { 685245Sgblack@eecs.umich.edu printUsage(argv[0]); 695628Sgblack@eecs.umich.edu return 0; 704997Sgblack@eecs.umich.edu } 714997Sgblack@eecs.umich.edu else if(!strcmp(argv[x], "-r")) 725124Sgblack@eecs.umich.edu { 735245Sgblack@eecs.umich.edu cout << "Legal register names:" << endl; 745245Sgblack@eecs.umich.edu int numRegs = child->getNumRegs(); 755245Sgblack@eecs.umich.edu for(unsigned int x = 0; x < numRegs; x++) 764997Sgblack@eecs.umich.edu { 774997Sgblack@eecs.umich.edu cout << "\t" << child->getRegName(x) << endl; 784997Sgblack@eecs.umich.edu } 795610Snate@binkert.org return 0; 805124Sgblack@eecs.umich.edu } 814997Sgblack@eecs.umich.edu else if(!strcmp(argv[x], "-i")) 824997Sgblack@eecs.umich.edu { 834997Sgblack@eecs.umich.edu printInitial = true; 845610Snate@binkert.org } 855124Sgblack@eecs.umich.edu else if(!strcmp(argv[x], "-nt")) 86 { 87 printTrace = false; 88 } 89 else if(!strcmp(argv[x], "--")) 90 { 91 x++; 92 if(x >= argc) 93 { 94 cerr << "Incorrect usage.\n" << endl; 95 printUsage(argv[0]); 96 return 1; 97 } 98 startProgramArgs = x; 99 break; 100 } 101 else 102 { 103 cerr << "Incorrect usage.\n" << endl; 104 printUsage(argv[0]); 105 return 1; 106 } 107 } 108 if(!child->startTracing(argv[startProgramArgs], 109 argv + startProgramArgs)) 110 { 111 cerr << "Couldn't start target program" << endl; 112 return 1; 113 } 114 if(printInitial) 115 { 116 child->outputStartState(cout); 117 } 118 if(printTrace) 119 { 120 // Connect to m5 121 bool portSet = false; 122 int port; 123 int sock = socket(AF_INET, SOCK_STREAM, 0); 124 if(sock < 0) 125 { 126 cerr << "Error opening socket! " << strerror(errno) << endl; 127 return 1; 128 } 129 struct hostent *server; 130 server = gethostbyname("localhost"); 131 if(!server) 132 { 133 cerr << "Couldn't get host ip! " << strerror(errno) << endl; 134 return 1; 135 } 136 struct sockaddr_in serv_addr; 137 bzero((char *)&serv_addr, sizeof(serv_addr)); 138 serv_addr.sin_family = AF_INET; 139 bcopy((char *)server->h_addr, 140 (char *)&serv_addr.sin_addr.s_addr, 141 server->h_length); 142 serv_addr.sin_port = htons(8000); 143 if(connect(sock, (sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) 144 { 145 cerr << "Couldn't connect to server! " << strerror(errno) << endl; 146 return 1; 147 } 148 child->step(); 149 while(child->isTracing()) 150 { 151 if(!child->sendState(sock)) 152 break; 153 child->step(); 154 } 155 } 156 if(!child->stopTracing()) 157 { 158 cerr << "Couldn't stop child" << endl; 159 return 1; 160 } 161 return 0; 162} 163 164