X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=funcnode.h;h=5773d79d846d79e09df531cf238cc5295ad7de28;hp=db52f4ead88a3d9fde098273c573fce1fc7b2560;hb=35ebf30f42f46d47fbec1db62acc453733dfb2e1;hpb=641b6c3f2664bb0834573b6c98516e08cdb8a9d1

diff --git a/funcnode.h b/funcnode.h
index db52f4ea..5773d79d 100644
--- a/funcnode.h
+++ b/funcnode.h
@@ -9,7 +9,10 @@
 #include "history.h"
 
 typedef ModelList<FuncInst *> func_inst_list_mt;
-typedef HashTable<FuncInst *, ModelAction *, uintptr_t, 0> inst_act_map_t;
+
+typedef enum edge_type {
+	IN_EDGE, OUT_EDGE, BI_EDGE
+} edge_type_t;
 
 class FuncNode {
 public:
@@ -32,16 +35,13 @@ 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 generate_predicate(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);
+	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 incr_exit_count() { exit_count++; }
 	uint32_t get_exit_count() { return exit_count; }
 
-	ModelList<action_list_t *> * get_action_list_buffer() { return &action_list_buffer; }
+	SnapList<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);
@@ -56,6 +56,9 @@ public:
 	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 add_out_edge(FuncNode * other);
+	ModelList<FuncNode *> * get_out_edges() { return &out_edges; }
+
 	void print_predicate_tree();
 	void print_val_loc_map();
 	void print_last_read(thread_id_t tid);
@@ -65,7 +68,6 @@ 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;
@@ -81,22 +83,38 @@ private:
 	/* Possible entry atomic actions in this function */
 	func_inst_list_mt entry_insts;
 
+	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;
+	SnapList<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: deduced from val_loc_map;
-	 */
+	/* Set of locations read by this FuncNode */
 	loc_set_t * read_locations;
+
+	/* Set of locations written to by this FuncNode */
+	loc_set_t * write_locations;
+
+	/* Keeps track of locations that have the same values written to */
 	HashTable<uint64_t, loc_set_t *, uint64_t, 0> * val_loc_map;
+
+	/* Keeps track of locations that may share the same value as key, deduced from 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 */
+	/* Run-time position in the predicate tree for each thread */
 	ModelVector<Predicate *> predicate_tree_position;
 
+	/* A run-time map from FuncInst to ModelAction for each thread; needed by NewFuzzer */
 	SnapVector<inst_act_map_t *> * thrd_inst_act_map;
+
+	/* Store the relation between this FuncNode and other FuncNodes */
+	HashTable<FuncNode *, edge_type_t, uintptr_t, 0, model_malloc, model_calloc, model_free> edge_table;
+
+	/* FuncNodes that follow this node */
+	ModelList<FuncNode *> out_edges;
 };
 
 #endif /* __FUNCNODE_H__ */