X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=model.h;h=dc6ef6add21045042ed42a29882e3ad9a38ac34e;hb=6c42e6f6e00d6283bce4e9086b111b4b78509ded;hp=5d74b8443543557b022b4fca51cf6cd64296c2e6;hpb=471e92c4bc5de8629d044a61eea5e1ff0670daad;p=c11tester.git diff --git a/model.h b/model.h index 5d74b844..dc6ef6ad 100644 --- a/model.h +++ b/model.h @@ -6,27 +6,34 @@ #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; + +/** + * Model checker parameter structure. Holds run-time configuration options for + * the model checker. + */ +struct model_params { +}; /** @brief The central structure for model-checking */ class ModelChecker { public: - ModelChecker(); + ModelChecker(struct model_params params); ~ModelChecker(); /** The scheduler to use: tracks the running/ready Threads */ @@ -42,12 +49,15 @@ public: ucontext_t * get_system_context(void) { return system_context; } void check_current_action(void); - void print_summary(void); + + /** Prints an execution summary with trace information. */ + void print_summary(); + Thread * schedule_next_thread(); 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 +66,9 @@ 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: @@ -63,6 +76,8 @@ private: modelclock_t used_sequence_numbers; int num_executions; + const model_params params; + /** * Stores the ModelAction for the current thread action. Call this * immediately before switching from user- to system-context to pass @@ -76,11 +91,18 @@ 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; @@ -88,16 +110,19 @@ private: ucontext_t *system_context; action_list_t *action_trace; - std::map *thread_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. */ - std::map *obj_map; + HashTable *obj_map; - std::map > *obj_thrd_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;