*/
#include <unistd.h>
+#include <getopt.h>
+#include <string.h>
-#include <threads.h>
#include "common.h"
-#include "threads-model.h"
+#include "output.h"
#include "datarace.h"
/* global "model" object */
#include "model.h"
+#include "params.h"
#include "snapshot-interface.h"
+#include "plugins.h"
-static void param_defaults(struct model_params * params) {
- params->maxreads = 0;
- params->maxfuturedelay = 100;
- params->fairwindow = 0;
- params->enabledcount = 1;
- params->bound = 0;
+static void param_defaults(struct model_params *params)
+{
+ params->verbose = !!DBG_ENABLED();
+ params->uninitvalue = 0;
+ params->maxexecutions = 10;
+ params->nofork = false;
}
-static void print_usage(struct model_params *params) {
+static void print_usage(const char *program_name, struct model_params *params)
+{
+ ModelVector<TraceAnalysis *> * registeredanalysis=getRegisteredTraceAnalysis();
/* Reset defaults before printing */
param_defaults(params);
- printf(
-"Usage: <program name> [MC_OPTIONS] -- [PROGRAM ARGUMENTS]\n"
-"\n"
-"Options:\n"
-"-h Display this help message and exit\n"
-"-m Maximum times a thread can read from the same write\n"
-" while other writes exist. Default: %d\n"
-"-s Maximum actions that the model checker will wait for\n"
-" a write from the future past the expected number of\n"
-" actions. Default: %d\n"
-"-f Specify a fairness window in which actions that are\n"
-" enabled sufficiently many times should receive\n"
-" priority for execution. Default: %d\n"
-"-e Enabled count. Default: %d\n"
-"-b Upper length bound. Default: %d\n"
-"-- Program arguments follow.\n\n",
-params->maxreads, params->maxfuturedelay, params->fairwindow, params->enabledcount, params->bound);
+ 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: %s [MODEL-CHECKER OPTIONS] -- [PROGRAM ARGS]\n"
+ "\n"
+ "MODEL-CHECKER OPTIONS can be any of the model-checker options listed below. Arguments\n"
+ "provided after the `--' (the PROGRAM ARGS) are passed to the user program.\n"
+ "\n"
+ "Model-checker options:\n"
+ "-h, --help Display this help message and exit\n"
+ "-v[NUM], --verbose[=NUM] Print verbose execution information. NUM is optional:\n"
+ " 0 is quiet; 1 shows valid executions; 2 is noisy;\n"
+ " 3 is noisier.\n"
+ " Default: %d\n"
+ "-u, --uninitialized=VALUE Return VALUE any load which may read from an\n"
+ " uninitialized atomic.\n"
+ " Default: %u\n"
+ "-t, --analysis=NAME Use Analysis Plugin.\n"
+ "-o, --options=NAME Option for previous analysis plugin. \n"
+ "-x, --maxexec=NUM Maximum number of executions.\n"
+ " Default: %u\n"
+ " -o help for a list of options\n"
+ "-n No fork\n"
+ " -- Program arguments follow.\n\n",
+ program_name,
+ params->verbose,
+ params->uninitvalue,
+ params->maxexecutions);
+ model_print("Analysis plugins:\n");
+ for(unsigned int i=0;i<registeredanalysis->size();i++) {
+ TraceAnalysis * analysis=(*registeredanalysis)[i];
+ model_print("%s\n", analysis->name());
+ }
exit(EXIT_SUCCESS);
}
-static void parse_options(struct model_params *params, int *argc, char ***argv) {
- const char *shortopts = "hm:s:f:e:b:";
- int opt;
+bool install_plugin(char * name) {
+ ModelVector<TraceAnalysis *> * registeredanalysis=getRegisteredTraceAnalysis();
+ ModelVector<TraceAnalysis *> * installedanalysis=getInstalledTraceAnalysis();
+
+ for(unsigned int i=0;i<registeredanalysis->size();i++) {
+ TraceAnalysis * analysis=(*registeredanalysis)[i];
+ if (strcmp(name, analysis->name())==0) {
+ installedanalysis->push_back(analysis);
+ return false;
+ }
+ }
+ model_print("Analysis %s Not Found\n", name);
+ return true;
+}
+
+static void parse_options(struct model_params *params, int argc, char **argv)
+{
+ const char *shortopts = "hnt:o:u:x:v::";
+ const struct option longopts[] = {
+ {"help", no_argument, NULL, 'h'},
+ {"verbose", optional_argument, NULL, 'v'},
+ {"uninitialized", required_argument, NULL, 'u'},
+ {"analysis", required_argument, NULL, 't'},
+ {"options", required_argument, NULL, 'o'},
+ {"maxexecutions", required_argument, NULL, 'x'},
+ {0, 0, 0, 0} /* Terminator */
+ };
+ int opt, longindex;
bool error = false;
- while (!error && (opt = getopt(*argc, *argv, shortopts)) != -1) {
+ while (!error && (opt = getopt_long(argc, argv, shortopts, longopts, &longindex)) != -1) {
switch (opt) {
case 'h':
- print_usage(params);
+ print_usage(argv[0], params);
break;
- case 's':
- params->maxfuturedelay = atoi(optarg);
+ case 'n':
+ params->nofork = true;
break;
- case 'f':
- params->fairwindow = atoi(optarg);
+ case 'x':
+ params->maxexecutions = atoi(optarg);
break;
- case 'e':
- params->enabledcount = atoi(optarg);
+ case 'v':
+ params->verbose = optarg ? atoi(optarg) : 1;
break;
- case 'b':
- params->bound = atoi(optarg);
+ case 'u':
+ params->uninitvalue = atoi(optarg);
break;
- case 'm':
- params->maxreads = atoi(optarg);
+ case 't':
+ if (install_plugin(optarg))
+ error = true;
break;
- default: /* '?' */
+ case 'o':
+ {
+ ModelVector<TraceAnalysis *> * analyses = getInstalledTraceAnalysis();
+ if ( analyses->size() == 0 || (*analyses)[analyses->size()-1]->option(optarg))
+ error = true;
+ }
+ break;
+ default: /* '?' */
error = true;
break;
}
}
- (*argc) -= optind;
- (*argv) += optind;
+
+ /* 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)
- print_usage(params);
+ print_usage(argv[0], params);
}
int main_argc;
char **main_argv;
-/** Wrapper to run the user's main function, with appropriate arguments */
-void wrapper_user_main(void *)
+static void install_trace_analyses(ModelExecution *execution)
{
- user_main(main_argc, main_argv);
+ ModelVector<TraceAnalysis *> * installedanalysis=getInstalledTraceAnalysis();
+ for(unsigned int i=0;i<installedanalysis->size();i++) {
+ TraceAnalysis * ta=(*installedanalysis)[i];
+ ta->setExecution(execution);
+ model->add_trace_analysis(ta);
+ /** Call the installation event for each installed plugin */
+ ta->actionAtInstallation();
+ }
}
/** The model_main function contains the main model checking loop. */
-static void model_main() {
- thrd_t user_thread;
- struct model_params params;
-
- param_defaults(¶ms);
-
- parse_options(¶ms, &main_argc, &main_argv);
-
- //Initialize race detector
- initRaceDetector();
-
- //Create the singleton SnapshotStack object
- snapshotObject = new SnapshotStack();
-
- model = new ModelChecker(params);
-
- 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());
-
+static void model_main()
+{
+ snapshot_record(0);
+ model->run();
delete model;
DEBUG("Exiting\n");
* 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;
- /* Let's jump in quickly and start running stuff */
- initSnapshotLibrary(10000, 1024, 1024, 4000, &model_main);
+ /*
+ * If this printf statement is removed, CDSChecker will fail on an
+ * assert on some versions of glibc. The first time printf is
+ * called, it allocated internal buffers. We can't easily snapshot
+ * libc since we also use it.
+ */
+
+ printf("CDSChecker\n"
+ "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");
+
+ /* Configure output redirection for the model-checker */
+ redirect_output();
+
+ //Initialize snapshotting library
+ if (!model)
+ snapshot_system_init(10000, 1024, 1024, 40000);
+
+ struct model_params params;
+
+ param_defaults(¶ms);
+ register_plugins();
+ parse_options(¶ms, main_argc, main_argv);
+
+ //Initialize race detector
+ initRaceDetector();
+
+ snapshot_stack_init();
+
+ if (!model)
+ model = new ModelChecker();
+ model->setParams(params);
+ install_trace_analyses(model->get_execution());
+
+ startExecution(&model_main);
}
projects / c11tester.git / blobdiff