-#include "stl-model.h"
+#ifndef __HISTORY_H__
+#define __HISTORY_H__
+
#include "common.h"
+#include "classlist.h"
#include "hashtable.h"
#include "threads-model.h"
-/* forward declaration */
-class ModelAction;
-
-typedef ModelList<const ModelAction *> action_mlist_t;
-typedef SnapList<uint32_t> func_id_list_t;
+#define INIT_SEQ_NUMBER 0xffffffff
class ModelHistory {
public:
uint32_t get_func_counter() { return func_counter; }
void incr_func_counter() { func_counter++; }
- void add_func_atomic(ModelAction *act, thread_id_t tid);
+ void resize_func_nodes(uint32_t max_func_id);
+ void process_action(ModelAction *act, thread_id_t tid);
+
+ HashTable<const char *, uint32_t, uintptr_t, 4, model_malloc, model_calloc, model_free> * getFuncMap() { return &func_map; }
+ ModelVector<const char *> * getFuncMapRev() { return &func_map_rev; }
+
+ ModelVector<FuncNode *> * getFuncNodes() { return &func_nodes; }
+ FuncNode * get_func_node(uint32_t func_id);
+ FuncNode * get_curr_func_node(thread_id_t tid);
- HashTable<const char *, uint32_t, uintptr_t, 4> * getFuncMap() { return &func_map; }
- ModelVector< action_mlist_t * > * getFuncAtomics() { return &func_atomics; }
+ void update_write_history(void * location, uint64_t write_val);
+ HashTable<void *, value_set_t *, uintptr_t, 0> * getWriteHistory() { return write_history; }
+ void update_loc_rd_func_nodes_map(void * location, FuncNode * node);
+ void update_loc_wr_func_nodes_map(void * location, FuncNode * node);
+ SnapVector<FuncNode *> * getRdFuncNodes(void * location);
+ SnapVector<FuncNode *> * getWrFuncNodes(void * location);
- void print();
+ void add_waiting_write(ConcretePredicate * concrete);
+ void remove_waiting_write(thread_id_t tid);
+ void check_waiting_write(ModelAction * write_act);
+ SnapVector<ConcretePredicate *> * getThrdWaitingWrite() { return thrd_waiting_write; }
+
+ WaitObj * getWaitObj(thread_id_t tid);
+ void add_waiting_thread(thread_id_t self_id, thread_id_t waiting_for_id, FuncNode * target_node, int dist);
+ void remove_waiting_thread(thread_id_t tid);
+ void stop_waiting_for_node(thread_id_t self_id, thread_id_t waiting_for_id, FuncNode * target_node);
+
+ void set_new_exec_flag();
+ void dump_func_node_graph();
+ void print_func_node();
+ void print_waiting_threads();
+
+ MEMALLOC
private:
uint32_t func_counter;
+ modelclock_t last_seq_number;
+
+ /* Map function names to integer ids */
+ HashTable<const char *, uint32_t, uintptr_t, 4, model_malloc, model_calloc, model_free> func_map;
- /* map function names to integer ids */
- HashTable<const char *, uint32_t, uintptr_t, 4> func_map;
+ /* Map integer ids to function names */
+ ModelVector<const char *> func_map_rev;
- ModelVector< action_mlist_t * > func_atomics;
+ ModelVector<FuncNode *> func_nodes;
- /* Work_list stores a list of function ids for each thread.
- * Each element in work_list is intended to be used as a stack storing
- * the functions that thread i has entered and yet to exit from
+ /* Map a location to a set of values that have been written to it */
+ HashTable<void *, value_set_t *, uintptr_t, 0> * write_history;
+
+ /* Map a location to FuncNodes that may read from it */
+ HashTable<void *, SnapVector<FuncNode *> *, uintptr_t, 0> * loc_rd_func_nodes_map;
+
+ /* Map a location to FuncNodes that may write to it */
+ HashTable<void *, SnapVector<FuncNode *> *, uintptr_t, 0> * loc_wr_func_nodes_map;
+
+ HashTable<void *, SnapVector<ConcretePredicate *> *, uintptr_t, 0> * loc_waiting_writes_map;
+
+ /* thrd_func_list stores a list of function ids for each thread.
+ * Each element in thrd_func_list stores the functions that
+ * thread i has entered and yet to exit from
*/
- SnapVector< func_id_list_t * > work_list;
+ SnapVector<func_id_list_t> * thrd_func_list;
+ SnapVector<uint32_t> * thrd_last_entered_func;
+
+ /* The write values each paused thread is waiting for */
+ SnapVector<ConcretePredicate *> * thrd_waiting_write;
+ SnapVector<WaitObj *> * thrd_wait_obj;
+
+ bool skip_action(ModelAction * act);
+ void monitor_waiting_thread(uint32_t func_id, thread_id_t tid);
+ void monitor_waiting_thread_counter(thread_id_t tid);
+
};
+
+#endif /* __HISTORY_H__ */