154 lines
5 KiB
C++
154 lines
5 KiB
C++
/*
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* Copyright (c) 2006-2007 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Gabe Black
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*/
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#include <cstring>
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#include <errno.h>
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#include <fstream>
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#include <iostream>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <string>
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#include <sys/ptrace.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include "tracechild.hh"
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using namespace std;
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void
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printUsage(const char * execName)
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{
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cout << execName << " <options> -- <command> <arguments>" << endl;
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cout << "options:" << endl;
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cout << " -h print this help" << endl;
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cout << " --host remote m5 host to connect to" << endl;
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cout << " -i print initial stack state" << endl;
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cout << " -nt don't print an instruction trace" << endl;
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}
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int
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main(int argc, char * argv[], char * envp[])
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{
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TraceChild * child = genTraceChild();
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string args;
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int startProgramArgs;
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//Parse the command line arguments
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bool printInitial = false;
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bool printTrace = true;
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string host = "localhost";
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if (argc == 1) {
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printUsage(argv[0]);
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return 0;
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}
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for (int x = 1; x < argc; x++) {
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if (!strcmp(argv[x], "-h")) {
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printUsage(argv[0]);
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return 0;
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}
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if (!strcmp(argv[x], "--host")) {
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x++;
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if (x >= argc) {
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cerr << "Incorrect usage.\n" << endl;
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printUsage(argv[0]);
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return 1;
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}
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host = argv[x];
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} else if (!strcmp(argv[x], "-i")) {
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printInitial = true;
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} else if (!strcmp(argv[x], "-nt")) {
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printTrace = false;
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} else if (!strcmp(argv[x], "--")) {
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x++;
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if (x >= argc) {
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cerr << "Incorrect usage.\n" << endl;
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printUsage(argv[0]);
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return 1;
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}
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startProgramArgs = x;
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break;
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} else {
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cerr << "Incorrect usage.\n" << endl;
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printUsage(argv[0]);
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return 1;
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}
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}
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if (!child->startTracing(argv[startProgramArgs],
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argv + startProgramArgs)) {
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cerr << "Couldn't start target program" << endl;
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return 1;
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}
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child->step();
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if (printInitial)
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child->outputStartState(cout);
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if (printTrace) {
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// Connect to m5
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bool portSet = false;
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int port;
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int sock = socket(AF_INET, SOCK_STREAM, 0);
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if (sock < 0) {
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cerr << "Error opening socket! " << strerror(errno) << endl;
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return 1;
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}
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struct hostent *server;
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server = gethostbyname(host.c_str());
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if (!server) {
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cerr << "Couldn't get host ip! " << strerror(errno) << endl;
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return 1;
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}
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struct sockaddr_in serv_addr;
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bzero((char *)&serv_addr, sizeof(serv_addr));
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serv_addr.sin_family = AF_INET;
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bcopy((char *)server->h_addr,
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(char *)&serv_addr.sin_addr.s_addr,
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server->h_length);
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serv_addr.sin_port = htons(8000);
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if (connect(sock, (sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
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cerr << "Couldn't connect to server! " << strerror(errno) << endl;
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return 1;
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}
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while (child->isTracing()) {
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if (!child->sendState(sock))
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break;
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child->step();
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}
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}
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if (!child->stopTracing()) {
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cerr << "Couldn't stop child" << endl;
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return 1;
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}
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return 0;
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}
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