X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=main.cc;h=36055107c696b85003702159646450bbe0db3e04;hb=HEAD;hp=e456ac6b326469a85383af6a97a422e9a2c65f92;hpb=810306cb85accaaace9a50f174264f105991230b;p=c11tester.git diff --git a/main.cc b/main.cc index e456ac6b..36055107 100644 --- a/main.cc +++ b/main.cc @@ -1,74 +1,185 @@ -#include "libthreads.h" +/** @file main.cc + * @brief Entry point for the model checker. + */ + +#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 "plugins.h" -/* - * Return 1 if found next thread, 0 otherwise - */ -int num; -int num1; -int num2; - -static int thread_system_next(void) +void param_defaults(struct model_params *params) { - Thread *curr, *next; - - curr = thread_current(); - if (curr) { - if (curr->get_state() == THREAD_READY) { - model->check_current_action(); - model->scheduler->add_thread(curr); - } else if (curr->get_state() == THREAD_RUNNING) - /* Stopped while running; i.e., completed */ - curr->complete(); - else - ASSERT(false); - } - next = model->scheduler->next_thread(); - if (next) - next->set_state(THREAD_RUNNING); - DEBUG("(%d, %d)\n", curr ? curr->get_id() : -1, next ? next->get_id() : -1); - if (!next) - return 1; - return Thread::swap(model->get_system_context(), next); + params->verbose = !!DBG_ENABLED(); + params->maxexecutions = 10; + params->traceminsize = 0; + params->checkthreshold = 500000; + params->removevisible = false; + params->nofork = false; } -static void thread_wait_finish(void) +static void print_usage(struct model_params *params) { + ModelVector * registeredanalysis=getRegisteredTraceAnalysis(); + /* Reset defaults before printing */ + param_defaults(params); - DBG(); - - while (!thread_system_next()); + 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: C11TESTER=[MODEL-CHECKER OPTIONS]\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" + "-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" + "-m, --minsize=NUM Minimum number of actions to keep\n" + " Default: %u\n" + "-f, --freqfree=NUM Frequency to free actions\n" + " Default: %u\n" + "-r, --removevisible Free visible writes\n", + params->verbose, + params->maxexecutions, + params->traceminsize, + params->checkthreshold); + model_print("Analysis plugins:\n"); + for(unsigned int i=0;isize();i++) { + TraceAnalysis * analysis=(*registeredanalysis)[i]; + model_print("%s\n", analysis->name()); + } + exit(EXIT_SUCCESS); } -/* - * Main system function - */ -int main() -{ - thrd_t user_thread; - ucontext_t main_context; +bool install_plugin(char * name) { + ModelVector * registeredanalysis=getRegisteredTraceAnalysis(); + ModelVector * installedanalysis=getInstalledTraceAnalysis(); - model = new ModelChecker(); + 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; +} - if (getcontext(&main_context)) - return 1; +void parse_options(struct model_params *params) { + const char *shortopts = "hrnt:o:x:v:m:f:"; + const struct option longopts[] = { + {"help", no_argument, NULL, 'h'}, + {"removevisible", no_argument, NULL, 'r'}, + {"analysis", required_argument, NULL, 't'}, + {"options", required_argument, NULL, 'o'}, + {"maxexecutions", required_argument, NULL, 'x'}, + {"verbose", optional_argument, NULL, 'v'}, + {"minsize", required_argument, NULL, 'm'}, + {"freqfree", required_argument, NULL, 'f'}, + {0, 0, 0, 0} /* Terminator */ + }; + int opt, longindex; + bool error = false; + char * options = getenv("C11TESTER"); - model->set_system_context(&main_context); + if (options == NULL) + return; + int argc = 1; + int index; + for(index = 0;options[index]!=0;index++) { + if (options[index] == ' ') + argc++; + } + argc++; //first parameter is executable name + char optcpy[index + 1]; + real_memcpy(optcpy, options, index+1); + char * argv[argc + 1]; + argv[0] = NULL; + argv[1] = optcpy; + int count = 2; + for(index = 0;optcpy[index]!=0;index++) { + if (optcpy[index] == ' ') { + argv[count++] = &optcpy[index+1]; + optcpy[index] = 0; + } + } - do { - /* Start user program */ - model->add_thread(new Thread(&user_thread, &user_main, NULL)); + while (!error && (opt = getopt_long(argc, argv, shortopts, longopts, &longindex)) != -1) { + switch (opt) { + case 'h': + print_usage(params); + break; + case 'n': + params->nofork = true; + break; + case 'x': + params->maxexecutions = atoi(optarg); + break; + case 'v': + params->verbose = optarg ? atoi(optarg) : 1; + break; + case 't': + if (install_plugin(optarg)) + error = true; + break; + case 'm': + params->traceminsize = atoi(optarg); + break; + case 'f': + params->checkthreshold = atoi(optarg); + break; + case 'r': + params->removevisible = true; + break; + case 'o': + { + ModelVector * analyses = getInstalledTraceAnalysis(); + if ( analyses->size() == 0 || (*analyses)[analyses->size()-1]->option(optarg)) + error = true; + } + break; + default: /* '?' */ + error = true; + break; + } + } - /* Wait for all threads to complete */ - thread_wait_finish(); - } while (model->next_execution()); + /* Special value to reset implementation as described by Linux man page. */ + optind = 0; - delete model; + if (error) + print_usage(params); +} - DEBUG("Exiting\n"); - return 0; +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); + /** Call the installation event for each installed plugin */ + ta->actionAtInstallation(); + } }