towards supporting scanalysis...

[c11tester.git] / main.cc

diff --git a/main.cc b/main.cc
index f55b98df2a4cbaa66262497fdad58992c8bac5b0..815a382360d5ed87763fe64e5bdf497cdeb243ae 100644 (file)
--- a/main.cc
+++ b/main.cc
@@ -4,31 +4,41 @@
 
 #include <unistd.h>
 
-#include <threads.h>
 #include "common.h"
-#include "threads-model.h"
+#include "output.h"
 
 #include "datarace.h"
 
 /* global "model" object */
 #include "model.h"
 #include "snapshot-interface.h"
+#include "scanalysis.h"
 
-static void param_defaults(struct model_params * params) {
+static void param_defaults(struct model_params *params)
+{
        params->maxreads = 0;
-       params->maxfuturedelay = 100;
+       params->maxfuturedelay = 6;
        params->fairwindow = 0;
+       params->yieldon = false;
+       params->sc_trace_analysis = false;
        params->enabledcount = 1;
        params->bound = 0;
        params->maxfuturevalues = 0;
-       params->expireslop = 10;
+       params->expireslop = 4;
+       params->verbose = !!DBG_ENABLED();
+       params->uninitvalue = 0;
 }
 
-static void print_usage(struct model_params *params) {
+static void print_usage(struct model_params *params)
+{
        /* Reset defaults before printing */
        param_defaults(params);
 
        model_print(
+"Copyright (c) 2013 Regents of the University of California. All rights reserved.\n"
+"Distributed under the GPLv2\n"
+"Written by Brian Norris and Brian Demsky\n"
+"\n"
 "Usage: <program name> [MC_OPTIONS] -- [PROGRAM ARGUMENTS]\n"
 "\n"
 "Options:\n"
@@ -44,18 +54,24 @@ static void print_usage(struct model_params *params) {
 "-f                    Specify a fairness window in which actions that are\n"
 "                      enabled sufficiently many times should receive\n"
 "                      priority for execution. Default: %d\n"
+"-y                    Turn on CHESS yield-based fairness support.\n"
+"                      Default: %d\n"
 "-e                    Enabled count. Default: %d\n"
 "-b                    Upper length bound. Default: %d\n"
+"-v                    Print verbose execution information.\n"
+"-u                    Value for uninitialized reads. Default: %u\n"
+"-c                    Use SC Trace Analysis.\n"
 "--                    Program arguments follow.\n\n",
-params->maxreads, params->maxfuturevalues, params->maxfuturedelay, params->expireslop, params->fairwindow, params->enabledcount, params->bound);
+params->maxreads, params->maxfuturevalues, params->maxfuturedelay, params->expireslop, params->fairwindow, params->yieldon, params->enabledcount, params->bound, params->uninitvalue);
        exit(EXIT_SUCCESS);
 }
 
-static void parse_options(struct model_params *params, int *argc, char ***argv) {
-       const char *shortopts = "hm:M:s:S:f:e:b:";
+static void parse_options(struct model_params *params, int argc, char **argv)
+{
+       const char *shortopts = "hycm:M:s:S:f:e:b:u:v";
        int opt;
        bool error = false;
-       while (!error && (opt = getopt(*argc, *argv, shortopts)) != -1) {
+       while (!error && (opt = getopt(argc, argv, shortopts)) != -1) {
                switch (opt) {
                case 'h':
                        print_usage(params);
@@ -81,14 +97,32 @@ static void parse_options(struct model_params *params, int *argc, char ***argv)
                case 'M':
                        params->maxfuturevalues = atoi(optarg);
                        break;
+               case 'v':
+                       params->verbose = 1;
+                       break;
+               case 'u':
+                       params->uninitvalue = atoi(optarg);
+                       break;
+               case 'c':
+                       params->sc_trace_analysis = true;
+                       break;
+               case 'y':
+                       params->yieldon = true;
+                       break;
                default: /* '?' */
                        error = true;
                        break;
                }
        }
-       (*argv)[optind - 1] = (*argv)[0];
-       (*argc) -= (optind - 1);
-       (*argv) += (optind - 1);
+
+       /* Pass remaining arguments to user program */
+       params->argc = argc - (optind - 1);
+       params->argv = argv + (optind - 1);
+
+       /* Reset program name */
+       params->argv[0] = argv[0];
+
+       /* Reset (global) optind for potential use by user program */
        optind = 1;
 
        if (error)
@@ -98,40 +132,30 @@ static void parse_options(struct model_params *params, int *argc, char ***argv)
 int main_argc;
 char **main_argv;
 
-/** Wrapper to run the user's main function, with appropriate arguments */
-void wrapper_user_main(void *)
-{
-       user_main(main_argc, main_argv);
+void install_trace_analyses() {
+       if (model->params.sc_trace_analysis)
+               model->add_trace_analysis(new SCAnalysis());
 }
 
 /** The model_main function contains the main model checking loop. */
-static void model_main() {
-       thrd_t user_thread;
+static void model_main()
+{
        struct model_params params;
 
        param_defaults(&params);
 
-       parse_options(&params, &main_argc, &main_argv);
+       parse_options(&params, main_argc, main_argv);
 
        //Initialize race detector
        initRaceDetector();
 
-       //Create the singleton SnapshotStack object
-       snapshotObject = new SnapshotStack();
+       snapshot_stack_init();
 
        model = new ModelChecker(params);
+       install_trace_analyses();
 
-       snapshotObject->snapshotStep(0);
-       do {
-               /* Start user program */
-               model->add_thread(new Thread(&user_thread, &wrapper_user_main, NULL));
-
-               /* Wait for all threads to complete */
-               model->finish_execution();
-       } while (model->next_execution());
-
-       model->print_stats();
-
+       snapshot_record(0);
+       model->run();
        delete model;
 
        DEBUG("Exiting\n");
@@ -141,10 +165,14 @@ static void model_main() {
  * Main function.  Just initializes snapshotting library and the
  * snapshotting library calls the model_main function.
  */
-int main(int argc, char ** argv) {
+int main(int argc, char **argv)
+{
        main_argc = argc;
        main_argv = argv;
 
+       /* Configure output redirection for the model-checker */
+       redirect_output();
+
        /* Let's jump in quickly and start running stuff */
-       initSnapshotLibrary(10000, 1024, 1024, 4000, &model_main);
+       snapshot_system_init(10000, 1024, 1024, 4000, &model_main);
 }