X-Git-Url: http://plrg.eecs.uci.edu/git/?p=cdsspec-compiler.git;a=blobdiff_plain;f=main.cc;h=1245b60e9ff8e48941929b8d06ff518f26719287;hp=75efafed43870f8be079fc8fcb1cb49bd8412706;hb=4a0000d96b695d084ffa930564a267d15abd91af;hpb=c36dd97a0b4924e1c906f7931d7ed515d5d7dc61 diff --git a/main.cc b/main.cc index 75efafe..1245b60 100644 --- a/main.cc +++ b/main.cc @@ -2,46 +2,245 @@ * @brief Entry point for the model checker. */ -#include "libthreads.h" +#include +#include +#include + #include "common.h" -#include "threads.h" +#include "output.h" #include "datarace.h" /* global "model" object */ #include "model.h" +#include "params.h" #include "snapshot-interface.h" +#include "scanalysis.h" +#include "plugins.h" + +static void param_defaults(struct model_params *params) +{ + params->maxreads = 0; + params->maxfuturedelay = 6; + params->fairwindow = 0; + params->yieldon = false; + params->yieldblock = false; + params->enabledcount = 1; + params->bound = 0; + params->maxfuturevalues = 0; + params->expireslop = 4; + params->verbose = !!DBG_ENABLED(); + params->uninitvalue = 0; +} + +static void print_usage(const char *program_name, struct model_params *params) +{ + ModelVector * registeredanalysis=getRegisteredTraceAnalysis(); + /* 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: %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" +"-m, --liveness=NUM Maximum times a thread can read from the same write\n" +" while other writes exist.\n" +" Default: %d\n" +"-M, --maxfv=NUM Maximum number of future values that can be sent to\n" +" the same read.\n" +" Default: %d\n" +"-s, --maxfvdelay=NUM Maximum actions that the model checker will wait for\n" +" a write from the future past the expected number\n" +" of actions.\n" +" Default: %d\n" +"-S, --fvslop=NUM Future value expiration sloppiness.\n" +" Default: %u\n" +"-y, --yield Enable CHESS-like yield-based fairness support.\n" +" Default: %s\n" +"-Y, --yieldblock Prohibit an execution from running a yield.\n" +" Default: %s\n" +"-f, --fairness=WINDOW Specify a fairness window in which actions that are\n" +" enabled sufficiently many times should receive\n" +" priority for execution (not recommended).\n" +" Default: %d\n" +"-e, --enabled=COUNT Enabled count.\n" +" Default: %d\n" +"-b, --bound=MAX Upper length bound.\n" +" Default: %d\n" +"-v, --verbose Print verbose execution information.\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" +" -o help for a list of options\n" +" -- Program arguments follow.\n\n", + program_name, + params->maxreads, + params->maxfuturevalues, + params->maxfuturedelay, + params->expireslop, + params->yieldon ? "enabled" : "disabled", + params->yieldblock ? "enabled" : "disabled", + params->fairwindow, + params->enabledcount, + params->bound, + params->uninitvalue); + model_print("Analysis plug ins:\n"); + for(unsigned int i=0;isize();i++) { + TraceAnalysis * analysis=(*registeredanalysis)[i]; + model_print("%s\n", analysis->name()); + } + exit(EXIT_SUCCESS); +} + +bool install_plugin(char * name) { + ModelVector * registeredanalysis=getRegisteredTraceAnalysis(); + ModelVector * installedanalysis=getInstalledTraceAnalysis(); -static void parse_options(struct model_params *params, int argc, char **argv) { + for(unsigned int i=0;isize();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 = "hyYt:o:m:M:s:S:f:e:b:u:v::"; + const struct option longopts[] = { + {"help", no_argument, NULL, 'h'}, + {"liveness", required_argument, NULL, 'm'}, + {"maxfv", required_argument, NULL, 'M'}, + {"maxfvdelay", required_argument, NULL, 's'}, + {"fvslop", required_argument, NULL, 'S'}, + {"fairness", required_argument, NULL, 'f'}, + {"yield", no_argument, NULL, 'y'}, + {"yieldblock", no_argument, NULL, 'Y'}, + {"enabled", required_argument, NULL, 'e'}, + {"bound", required_argument, NULL, 'b'}, + {"verbose", optional_argument, NULL, 'v'}, + {"uninitialized", optional_argument, NULL, 'u'}, + {"analysis", optional_argument, NULL, 't'}, + {"options", optional_argument, NULL, 'o'}, + {0, 0, 0, 0} /* Terminator */ + }; + int opt, longindex; + bool error = false; + while (!error && (opt = getopt_long(argc, argv, shortopts, longopts, &longindex)) != -1) { + switch (opt) { + case 'h': + print_usage(argv[0], params); + break; + case 's': + params->maxfuturedelay = atoi(optarg); + break; + case 'S': + params->expireslop = atoi(optarg); + break; + case 'f': + params->fairwindow = atoi(optarg); + break; + case 'e': + params->enabledcount = atoi(optarg); + break; + case 'b': + params->bound = atoi(optarg); + break; + case 'm': + params->maxreads = atoi(optarg); + break; + case 'M': + params->maxfuturevalues = atoi(optarg); + break; + case 'v': + params->verbose = optarg ? atoi(optarg) : 1; + break; + case 'u': + params->uninitvalue = atoi(optarg); + break; + case 'y': + params->yieldon = true; + break; + case 't': + if (install_plugin(optarg)) + error = true; + break; + case 'o': + { + ModelVector * analyses = getInstalledTraceAnalysis(); + if ( analyses->size() == 0 || (*analyses)[analyses->size()-1]->option(optarg)) + error = true; + } + break; + case 'Y': + params->yieldblock = true; + break; + default: /* '?' */ + error = true; + break; + } + } + + /* 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(argv[0], params); } int main_argc; char **main_argv; -/** The real_main function contains the main model checking loop. */ -static void real_main() { - thrd_t user_thread; +static void install_trace_analyses(ModelExecution *execution) +{ + ModelVector * installedanalysis=getInstalledTraceAnalysis(); + for(unsigned int i=0;isize();i++) { + TraceAnalysis * ta=(*installedanalysis)[i]; + ta->setExecution(execution); + model->add_trace_analysis(ta); + } +} + +/** The model_main function contains the main model checking loop. */ +static void model_main() +{ struct model_params params; + param_defaults(¶ms); + register_plugins(); + parse_options(¶ms, 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(model->get_execution()); - snapshotObject->snapshotStep(0); - do { - /* Start user program */ - model->add_thread(new Thread(&user_thread, (void (*)(void *)) &user_main, NULL)); - - /* Wait for all threads to complete */ - model->finish_execution(); - } while (model->next_execution()); - + snapshot_record(0); + model->run(); delete model; DEBUG("Exiting\n"); @@ -49,12 +248,16 @@ static void real_main() { /** * Main function. Just initializes snapshotting library and the - * snapshotting library calls the real_main function. + * 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, 1000, &real_main); + snapshot_system_init(10000, 1024, 1024, 4000, &model_main); }