statetrace.cc revision 6422
113481Sgiacomo.travaglini@arm.com/* 213481Sgiacomo.travaglini@arm.com * Copyright (c) 2006-2007 The Regents of The University of Michigan 313481Sgiacomo.travaglini@arm.com * All rights reserved. 413481Sgiacomo.travaglini@arm.com * 513481Sgiacomo.travaglini@arm.com * Redistribution and use in source and binary forms, with or without 613481Sgiacomo.travaglini@arm.com * modification, are permitted provided that the following conditions are 713481Sgiacomo.travaglini@arm.com * met: redistributions of source code must retain the above copyright 813481Sgiacomo.travaglini@arm.com * notice, this list of conditions and the following disclaimer; 913481Sgiacomo.travaglini@arm.com * redistributions in binary form must reproduce the above copyright 1013481Sgiacomo.travaglini@arm.com * notice, this list of conditions and the following disclaimer in the 1113481Sgiacomo.travaglini@arm.com * documentation and/or other materials provided with the distribution; 1213481Sgiacomo.travaglini@arm.com * neither the name of the copyright holders nor the names of its 1313481Sgiacomo.travaglini@arm.com * contributors may be used to endorse or promote products derived from 1413481Sgiacomo.travaglini@arm.com * this software without specific prior written permission. 1513481Sgiacomo.travaglini@arm.com * 1613481Sgiacomo.travaglini@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1713481Sgiacomo.travaglini@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1813481Sgiacomo.travaglini@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1913481Sgiacomo.travaglini@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2013481Sgiacomo.travaglini@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2113481Sgiacomo.travaglini@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2213481Sgiacomo.travaglini@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2313481Sgiacomo.travaglini@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2413481Sgiacomo.travaglini@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2513481Sgiacomo.travaglini@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2613481Sgiacomo.travaglini@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2713481Sgiacomo.travaglini@arm.com * 2813481Sgiacomo.travaglini@arm.com * Authors: Gabe Black 2913481Sgiacomo.travaglini@arm.com */ 3013481Sgiacomo.travaglini@arm.com 3113481Sgiacomo.travaglini@arm.com#include <cstring> 3213481Sgiacomo.travaglini@arm.com#include <errno.h> 3313481Sgiacomo.travaglini@arm.com#include <fstream> 3413481Sgiacomo.travaglini@arm.com#include <iostream> 3513481Sgiacomo.travaglini@arm.com#include <netdb.h> 3613481Sgiacomo.travaglini@arm.com#include <netinet/in.h> 3713481Sgiacomo.travaglini@arm.com#include <stdio.h> 3813481Sgiacomo.travaglini@arm.com#include <string> 3913481Sgiacomo.travaglini@arm.com#include <sys/ptrace.h> 4013481Sgiacomo.travaglini@arm.com#include <sys/socket.h> 4113481Sgiacomo.travaglini@arm.com#include <sys/types.h> 4213481Sgiacomo.travaglini@arm.com#include <sys/wait.h> 4313481Sgiacomo.travaglini@arm.com#include <unistd.h> 4413481Sgiacomo.travaglini@arm.com 4513481Sgiacomo.travaglini@arm.com#include "printer.hh" 4613481Sgiacomo.travaglini@arm.com#include "tracechild.hh" 4713481Sgiacomo.travaglini@arm.com 4813481Sgiacomo.travaglini@arm.comusing namespace std; 4913481Sgiacomo.travaglini@arm.com 5013481Sgiacomo.travaglini@arm.comvoid printUsage(const char * execName) 5113481Sgiacomo.travaglini@arm.com{ 5213481Sgiacomo.travaglini@arm.com cout << execName << " -h | -r -- <command> <arguments>" << endl; 5313481Sgiacomo.travaglini@arm.com} 5413481Sgiacomo.travaglini@arm.com 5513481Sgiacomo.travaglini@arm.comint main(int argc, char * argv[], char * envp[]) 5613481Sgiacomo.travaglini@arm.com{ 5713481Sgiacomo.travaglini@arm.com TraceChild * child = genTraceChild(); 5813481Sgiacomo.travaglini@arm.com string args; 5913481Sgiacomo.travaglini@arm.com int startProgramArgs; 6013481Sgiacomo.travaglini@arm.com 6113481Sgiacomo.travaglini@arm.com //Parse the command line arguments 6213481Sgiacomo.travaglini@arm.com bool printInitial = false; 6313481Sgiacomo.travaglini@arm.com bool printTrace = true; 6413481Sgiacomo.travaglini@arm.com string host = "localhost"; 6513481Sgiacomo.travaglini@arm.com for(int x = 1; x < argc; x++) 6613481Sgiacomo.travaglini@arm.com { 6713481Sgiacomo.travaglini@arm.com if(!strcmp(argv[x], "-h")) 6813481Sgiacomo.travaglini@arm.com { 6913481Sgiacomo.travaglini@arm.com printUsage(argv[0]); 7013481Sgiacomo.travaglini@arm.com return 0; 7113481Sgiacomo.travaglini@arm.com } 7213481Sgiacomo.travaglini@arm.com if(!strcmp(argv[x], "--host")) 7313481Sgiacomo.travaglini@arm.com { 7413481Sgiacomo.travaglini@arm.com x++; 7513481Sgiacomo.travaglini@arm.com if(x >= argc) 7613481Sgiacomo.travaglini@arm.com { 7713481Sgiacomo.travaglini@arm.com cerr << "Incorrect usage.\n" << endl; 7813481Sgiacomo.travaglini@arm.com printUsage(argv[0]); 7913481Sgiacomo.travaglini@arm.com return 1; 8013481Sgiacomo.travaglini@arm.com } 8113481Sgiacomo.travaglini@arm.com host = argv[x]; 8213481Sgiacomo.travaglini@arm.com } 8313481Sgiacomo.travaglini@arm.com else if(!strcmp(argv[x], "-r")) 8413481Sgiacomo.travaglini@arm.com { 8513481Sgiacomo.travaglini@arm.com cout << "Legal register names:" << endl; 8613481Sgiacomo.travaglini@arm.com int numRegs = child->getNumRegs(); 8713481Sgiacomo.travaglini@arm.com for(unsigned int x = 0; x < numRegs; x++) 8813481Sgiacomo.travaglini@arm.com { 8913481Sgiacomo.travaglini@arm.com cout << "\t" << child->getRegName(x) << endl; 9013481Sgiacomo.travaglini@arm.com } 9113481Sgiacomo.travaglini@arm.com return 0; 9213481Sgiacomo.travaglini@arm.com } 9313481Sgiacomo.travaglini@arm.com else if(!strcmp(argv[x], "-i")) 9413481Sgiacomo.travaglini@arm.com { 9513481Sgiacomo.travaglini@arm.com printInitial = true; 9613481Sgiacomo.travaglini@arm.com } 9713481Sgiacomo.travaglini@arm.com else if(!strcmp(argv[x], "-nt")) 9813481Sgiacomo.travaglini@arm.com { 9913481Sgiacomo.travaglini@arm.com printTrace = false; 10013481Sgiacomo.travaglini@arm.com } 10113481Sgiacomo.travaglini@arm.com else if(!strcmp(argv[x], "--")) 10213481Sgiacomo.travaglini@arm.com { 10313481Sgiacomo.travaglini@arm.com x++; 10413481Sgiacomo.travaglini@arm.com if(x >= argc) 10513481Sgiacomo.travaglini@arm.com { 10613481Sgiacomo.travaglini@arm.com cerr << "Incorrect usage.\n" << endl; 10713481Sgiacomo.travaglini@arm.com printUsage(argv[0]); 10813481Sgiacomo.travaglini@arm.com return 1; 10913481Sgiacomo.travaglini@arm.com } 11013481Sgiacomo.travaglini@arm.com startProgramArgs = x; 11113481Sgiacomo.travaglini@arm.com break; 11213481Sgiacomo.travaglini@arm.com } 11313481Sgiacomo.travaglini@arm.com else 11413481Sgiacomo.travaglini@arm.com { 11513481Sgiacomo.travaglini@arm.com cerr << "Incorrect usage.\n" << endl; 11613481Sgiacomo.travaglini@arm.com printUsage(argv[0]); 11713481Sgiacomo.travaglini@arm.com return 1; 11813481Sgiacomo.travaglini@arm.com } 11913481Sgiacomo.travaglini@arm.com } 12013481Sgiacomo.travaglini@arm.com if(!child->startTracing(argv[startProgramArgs], 12113481Sgiacomo.travaglini@arm.com argv + startProgramArgs)) 12213481Sgiacomo.travaglini@arm.com { 12313481Sgiacomo.travaglini@arm.com cerr << "Couldn't start target program" << endl; 12413481Sgiacomo.travaglini@arm.com return 1; 12513481Sgiacomo.travaglini@arm.com } 12613481Sgiacomo.travaglini@arm.com child->step(); 12713481Sgiacomo.travaglini@arm.com if(printInitial) 12813481Sgiacomo.travaglini@arm.com { 12913481Sgiacomo.travaglini@arm.com child->outputStartState(cout); 13013481Sgiacomo.travaglini@arm.com } 13113481Sgiacomo.travaglini@arm.com if(printTrace) 13213481Sgiacomo.travaglini@arm.com { 13313481Sgiacomo.travaglini@arm.com // Connect to m5 13413481Sgiacomo.travaglini@arm.com bool portSet = false; 13513481Sgiacomo.travaglini@arm.com int port; 13613481Sgiacomo.travaglini@arm.com int sock = socket(AF_INET, SOCK_STREAM, 0); 13713481Sgiacomo.travaglini@arm.com if(sock < 0) 13813481Sgiacomo.travaglini@arm.com { 13913481Sgiacomo.travaglini@arm.com cerr << "Error opening socket! " << strerror(errno) << endl; 14013481Sgiacomo.travaglini@arm.com return 1; 14113481Sgiacomo.travaglini@arm.com } 14213481Sgiacomo.travaglini@arm.com struct hostent *server; 14313481Sgiacomo.travaglini@arm.com server = gethostbyname(host.c_str()); 14413481Sgiacomo.travaglini@arm.com if(!server) 14513481Sgiacomo.travaglini@arm.com { 14613481Sgiacomo.travaglini@arm.com cerr << "Couldn't get host ip! " << strerror(errno) << endl; 14713481Sgiacomo.travaglini@arm.com return 1; 14813481Sgiacomo.travaglini@arm.com } 14913481Sgiacomo.travaglini@arm.com struct sockaddr_in serv_addr; 15013481Sgiacomo.travaglini@arm.com bzero((char *)&serv_addr, sizeof(serv_addr)); 15113481Sgiacomo.travaglini@arm.com serv_addr.sin_family = AF_INET; 15213481Sgiacomo.travaglini@arm.com bcopy((char *)server->h_addr, 15313481Sgiacomo.travaglini@arm.com (char *)&serv_addr.sin_addr.s_addr, 15413481Sgiacomo.travaglini@arm.com server->h_length); 15513481Sgiacomo.travaglini@arm.com serv_addr.sin_port = htons(8000); 15613481Sgiacomo.travaglini@arm.com if(connect(sock, (sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) 15713481Sgiacomo.travaglini@arm.com { 15813481Sgiacomo.travaglini@arm.com cerr << "Couldn't connect to server! " << strerror(errno) << endl; 15913481Sgiacomo.travaglini@arm.com return 1; 16013481Sgiacomo.travaglini@arm.com } 16113481Sgiacomo.travaglini@arm.com while(child->isTracing()) 16213481Sgiacomo.travaglini@arm.com { 16313481Sgiacomo.travaglini@arm.com if(!child->sendState(sock)) 16413481Sgiacomo.travaglini@arm.com break; 16513481Sgiacomo.travaglini@arm.com child->step(); 16613481Sgiacomo.travaglini@arm.com } 16713481Sgiacomo.travaglini@arm.com } 16813481Sgiacomo.travaglini@arm.com if(!child->stopTracing()) 16913481Sgiacomo.travaglini@arm.com { 17013481Sgiacomo.travaglini@arm.com cerr << "Couldn't stop child" << endl; 17113481Sgiacomo.travaglini@arm.com return 1; 17213481Sgiacomo.travaglini@arm.com } 17313481Sgiacomo.travaglini@arm.com return 0; 17413481Sgiacomo.travaglini@arm.com} 17513481Sgiacomo.travaglini@arm.com 17613481Sgiacomo.travaglini@arm.com