X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=model.h;h=4a55c52b5e9f2ac637b952f12598d7374ccb561f;hb=c47ea1e8fc71e7934d6a670802247d41a603128a;hp=97e9849f0bbb441c5af72999e3453bc9adbe5745;hpb=9e9096d119abfeed4753a5944b31916ae559e22e;p=model-checker.git diff --git a/model.h b/model.h index 97e9849..4a55c52 100644 --- a/model.h +++ b/model.h @@ -1,27 +1,27 @@ /** @file model.h - * @brief Core model checker. + * @brief Core model checker. */ #ifndef __MODEL_H__ #define __MODEL_H__ #include -#include #include #include #include #include "schedule.h" #include "mymemory.h" -#include #include "libthreads.h" -#include "libatomic.h" #include "threads.h" #include "action.h" #include "clockvector.h" +#include "hashtable.h" /* Forward declaration */ class NodeStack; +class CycleGraph; +class Promise; /** @brief The central structure for model-checking */ class ModelChecker { @@ -47,7 +47,7 @@ public: int add_thread(Thread *t); void remove_thread(Thread *t); - Thread * get_thread(thread_id_t tid) { return (*thread_map)[id_to_int(tid)]; } + Thread * get_thread(thread_id_t tid) { return thread_map->get(id_to_int(tid)); } thread_id_t get_next_id(); int get_num_threads(); @@ -56,6 +56,9 @@ public: int switch_to_master(ModelAction *act); ClockVector * get_cv(thread_id_t tid); bool next_execution(); + bool isfeasible(); + bool isfinalfeasible(); + void check_promises(ClockVector *old_cv, ClockVector * merge_cv); MEMALLOC private: @@ -76,11 +79,18 @@ private: thread_id_t get_next_replay_thread(); ModelAction * get_next_backtrack(); void reset_to_initial_state(); + void resolve_promises(ModelAction *curr); + void compute_promises(ModelAction *curr); void add_action_to_lists(ModelAction *act); ModelAction * get_last_action(thread_id_t tid); ModelAction * get_parent_action(thread_id_t tid); + ModelAction * get_last_seq_cst(const void *location); void build_reads_from_past(ModelAction *curr); + ModelAction * process_rmw(ModelAction * curr); + void post_r_modification_order(ModelAction * curr, const ModelAction *rf); + void r_modification_order(ModelAction * curr, const ModelAction *rf); + void w_modification_order(ModelAction * curr); ModelAction *current_action; ModelAction *diverge; @@ -88,11 +98,19 @@ private: ucontext_t *system_context; action_list_t *action_trace; - std::map *thread_map; - std::map > *obj_thrd_map; + HashTable *thread_map; + + /** Per-object list of actions. Maps an object (i.e., memory location) + * to a trace of all actions performed on the object. */ + HashTable *obj_map; + + HashTable, uintptr_t, 4 > *obj_thrd_map; + std::vector * promises; std::vector *thrd_last_action; NodeStack *node_stack; ModelAction *next_backtrack; + CycleGraph * cyclegraph; + bool failed_promise; }; extern ModelChecker *model;