Statetrace: Accomodate cross compiling statetrace with scons.

[gem5.git] / util / statetrace / base / statetrace.cc

diff --git a/util/statetrace/base/statetrace.cc b/util/statetrace/base/statetrace.cc
new file mode 100644 (file)
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+++ b/util/statetrace/base/statetrace.cc
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+/*
+ * Copyright (c) 2006-2007 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#include "base/arch_check.h"
+
+#include <cstring>
+#include <errno.h>
+#include <fstream>
+#include <iostream>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <string>
+#include <sys/ptrace.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include "tracechild.hh"
+
+using namespace std;
+
+void
+printUsage(const char * execName)
+{
+    cout << execName << " <options> -- <command> <arguments>" << endl;
+    cout << "options:" << endl;
+    cout << "         -h          print this help" << endl;
+    cout << "         --host      remote m5 host to connect to" << endl;
+    cout << "         -i          print initial stack state" << endl;
+    cout << "         -nt         don't print an instruction trace" << endl;
+}
+
+int
+main(int argc, char * argv[], char * envp[])
+{
+    TraceChild * child = genTraceChild();
+    string args;
+    int startProgramArgs;
+
+    //Parse the command line arguments
+    bool printInitial = false;
+    bool printTrace = true;
+    string host = "localhost";
+
+    if (argc == 1) {
+        printUsage(argv[0]);
+        return 0;
+    }
+    for (int x = 1; x < argc; x++) {
+        if (!strcmp(argv[x], "-h")) {
+            printUsage(argv[0]);
+            return 0;
+        }
+        if (!strcmp(argv[x], "--host")) {
+            x++;
+            if (x >= argc) {
+                cerr << "Incorrect usage.\n" << endl;
+                printUsage(argv[0]);
+                return 1;
+            }
+            host = argv[x];
+        } else if (!strcmp(argv[x], "-i")) {
+            printInitial = true;
+        } else if (!strcmp(argv[x], "-nt")) {
+            printTrace = false;
+        } else if (!strcmp(argv[x], "--")) {
+            x++;
+            if (x >= argc) {
+                cerr << "Incorrect usage.\n" << endl;
+                printUsage(argv[0]);
+                return 1;
+            }
+            startProgramArgs = x;
+            break;
+        } else {
+            cerr << "Incorrect usage.\n" << endl;
+            printUsage(argv[0]);
+            return 1;
+        }
+    }
+    if (!child->startTracing(argv[startProgramArgs],
+                argv + startProgramArgs)) {
+        cerr << "Couldn't start target program" << endl;
+        return 1;
+    }
+    child->step();
+    if (printInitial)
+        child->outputStartState(cout);
+    if (printTrace) {
+        // Connect to m5
+        bool portSet = false;
+        int port;
+        int sock = socket(AF_INET, SOCK_STREAM, 0);
+        if (sock < 0) {
+            cerr << "Error opening socket! " << strerror(errno) << endl;
+            return 1;
+        }
+        struct hostent *server;
+        server = gethostbyname(host.c_str());
+        if (!server) {
+            cerr << "Couldn't get host ip! " << strerror(errno) << endl;
+            return 1;
+        }
+        struct sockaddr_in serv_addr;
+        bzero((char *)&serv_addr, sizeof(serv_addr));
+        serv_addr.sin_family = AF_INET;
+        bcopy((char *)server->h_addr,
+                (char *)&serv_addr.sin_addr.s_addr,
+                server->h_length);
+        serv_addr.sin_port = htons(8000);
+        if (connect(sock, (sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
+            cerr << "Couldn't connect to server! " << strerror(errno) << endl;
+            return 1;
+        }
+        while (child->isTracing()) {
+            if (!child->sendState(sock))
+                break;
+            child->step();
+        }
+    }
+    if (!child->stopTracing()) {
+        cerr << "Couldn't stop child" << endl;
+        return 1;
+    }
+    return 0;
+}
+