X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=funcnode.h;h=b022284a2fb52a6d36ca67c8649f230f3d96d917;hp=61ab0593b7ed9a88465ae3fbc04eec7c8fc1fa3b;hb=3cc10cd7ba94e6a8eeedd0904c75ee613700a8ff;hpb=385bb0a582f5987febe5d5c4e3bd8b50cbc1638f

diff --git a/funcnode.h b/funcnode.h
index 61ab0593..b022284a 100644
--- a/funcnode.h
+++ b/funcnode.h
@@ -6,21 +6,24 @@
 #include "hashtable.h"
 #include "hashset.h"
 #include "predicate.h"
+#include "history.h"
 
 typedef ModelList<FuncInst *> func_inst_list_mt;
-typedef HashTable<void *, uint64_t, uintptr_t, 4, model_malloc, model_calloc, model_free> read_map_t;
+typedef HashTable<FuncInst *, ModelAction *, uintptr_t, 0> inst_act_map_t;
 
 class FuncNode {
 public:
-	FuncNode();
+	FuncNode(ModelHistory * history);
 	~FuncNode();
 
 	uint32_t get_func_id() { return func_id; }
 	const char * get_func_name() { return func_name; }
 	void set_func_id(uint32_t id) { func_id = id; }
 	void set_func_name(const char * name) { func_name = name; }
+	void set_new_exec_flag();
 
-	FuncInst * get_or_add_inst(ModelAction *act);
+	void add_inst(ModelAction *act);
+	FuncInst * get_inst(ModelAction *act);
 
 	HashTable<const char *, FuncInst *, uintptr_t, 4, model_malloc, model_calloc, model_free> * getFuncInstMap() { return &func_inst_map; }
 	func_inst_list_mt * get_inst_list() { return &inst_list; }
@@ -29,38 +32,73 @@ public:
 
 	void update_tree(action_list_t * act_list);
 	void update_inst_tree(func_inst_list_t * inst_list);
+	void update_predicate_tree(action_list_t * act_list);
+	bool follow_branch(Predicate ** curr_pred, FuncInst * next_inst, ModelAction * next_act, HashTable<FuncInst *, ModelAction *, uintptr_t, 0> * inst_act_map, SnapVector<Predicate *> * unset_predicates);
 
-	void store_read(ModelAction * act, uint32_t tid);
-	uint64_t query_last_read(void * location, uint32_t tid);
-	void clear_read_map(uint32_t tid);
+	void incr_exit_count() { exit_count++; }
+	uint32_t get_exit_count() { return exit_count; }
 
-	/* TODO: generate EQUALITY or NULLITY predicate based on write_history in history.cc */
-	void init_predicate_tree(func_inst_list_t * inst_list, HashTable<FuncInst *, uint64_t, uintptr_t, 4> * read_val_map);
-	void print_predicate_tree();
+	ModelList<action_list_t *> * get_action_list_buffer() { return &action_list_buffer; }
+
+	void add_to_val_loc_map(uint64_t val, void * loc);
+	void add_to_val_loc_map(value_set_t * values, void * loc);
+	void update_loc_may_equal_map(void * new_loc, loc_set_t * old_locations);
+
+	void init_predicate_tree_position(thread_id_t tid);
+	void set_predicate_tree_position(thread_id_t tid, Predicate * pred);
+	Predicate * get_predicate_tree_position(thread_id_t tid);
 
-	void print_last_read(uint32_t tid);
+	void init_inst_act_map(thread_id_t tid);
+	void reset_inst_act_map(thread_id_t tid);
+	void update_inst_act_map(thread_id_t tid, ModelAction * read_act);
+	inst_act_map_t * get_inst_act_map(thread_id_t tid);
+
+	void print_predicate_tree();
+	void print_val_loc_map();
+	void print_last_read(thread_id_t tid);
 
 	MEMALLOC
 private:
 	uint32_t func_id;
 	const char * func_name;
+	ModelHistory * history;
 	bool predicate_tree_initialized;
+	Predicate * predicate_tree_entry;	// a dummy node whose children are the real entries
+
+	uint32_t exit_count;
 
 	/* Use source line number as the key of hashtable, to check if
 	 * atomic operation with this line number has been added or not
 	 */
 	HashTable<const char *, FuncInst *, uintptr_t, 4, model_malloc, model_calloc, model_free> func_inst_map;
 
-	/* list of all atomic actions in this function */
+	/* List of all atomic actions in this function */
 	func_inst_list_mt inst_list;
 
-	/* possible entry atomic actions in this function */
+	/* Possible entry atomic actions in this function */
 	func_inst_list_mt entry_insts;
 
-	/* Store the values read by atomic read actions per memory location for each thread */
-	ModelVector<read_map_t *> thrd_read_map;
+	void infer_predicates(FuncInst * next_inst, ModelAction * next_act, HashTable<void *, ModelAction *, uintptr_t, 0> * loc_act_map, SnapVector<struct half_pred_expr *> * half_pred_expressions);
+	void generate_predicates(Predicate ** curr_pred, FuncInst * next_inst, SnapVector<struct half_pred_expr *> * half_pred_expressions);
+	bool amend_predicate_expr(Predicate ** curr_pred, FuncInst * next_inst, ModelAction * next_act);
+
+	/* Store action_lists when calls to update_tree are deferred */
+	ModelList<action_list_t *> action_list_buffer;
+
+	/* read_locations: set of locations read by this FuncNode
+	 * val_loc_map: keep track of locations that have the same values written to;
+	 * loc_may_equal_map: look up locations that may share the same value as key; 
+	 * 			deduced from val_loc_map;	*/
+	loc_set_t * read_locations;
+	HashTable<uint64_t, loc_set_t *, uint64_t, 0> * val_loc_map;
+	HashTable<void *, loc_set_t *, uintptr_t, 0> * loc_may_equal_map;
+	// value_set_t * values_may_read_from;
+
+	/* Run-time position in the predicate tree for each thread */
+	ModelVector<Predicate *> predicate_tree_position;
 
-	HashSet<Predicate *, uintptr_t, 0, model_malloc, model_calloc, model_free> predicate_tree_entry;
+	/* A run-time map from FuncInst to ModelAction for each thread; needed by NewFuzzer */
+	SnapVector<inst_act_map_t *> * thrd_inst_act_map;
 };
 
 #endif /* __FUNCNODE_H__ */