+#ifndef __FUNCNODE_H__
+#define __FUNCNODE_H__
+
#include "action.h"
+#include "funcinst.h"
#include "hashtable.h"
+#include "hashset.h"
+#include "predicate.h"
+#include "history.h"
-class ModelAction;
-
-typedef ModelList<FuncInst *> func_inst_list_t;
+typedef ModelList<FuncInst *> func_inst_list_mt;
+typedef HashTable<FuncInst *, ModelAction *, uintptr_t, 0> inst_act_map_t;
-class FuncInst {
+class FuncNode {
public:
- FuncInst(ModelAction *act);
- ~FuncInst();
+ FuncNode(ModelHistory * history);
+ ~FuncNode();
- //ModelAction * get_action() const { return action; }
- const char * get_position() const { return position; }
- void * get_location() const { return location; }
- action_type get_type() const { return type; }
+ 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();
- MEMALLOC
-private:
- //ModelAction * const action;
- const char * position;
- void *location;
- action_type type;
-};
+ void add_inst(ModelAction *act);
+ FuncInst * get_inst(ModelAction *act);
-class FuncNode {
-public:
- FuncNode();
- ~FuncNode();
+ 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; }
+ func_inst_list_mt * get_entry_insts() { return &entry_insts; }
+ void add_entry_inst(FuncInst * inst);
+
+ 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 incr_exit_count() { exit_count++; }
+ uint32_t get_exit_count() { return exit_count; }
- void add_action(ModelAction *act);
+ ModelList<action_list_t *> * get_action_list_buffer() { return &action_list_buffer; }
- HashTable<const char *, FuncInst *, uintptr_t, 4, model_malloc, model_calloc, model_free> * getFuncInsts() { return &func_insts; }
- func_inst_list_t * get_inst_list() { return &inst_list; }
+ 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 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:
- /* Use source line number as the key of hashtable
- *
- * To do: cds_atomic_compare_exchange contains three atomic operations
- * that are feeded with the same source line number by llvm pass
+ 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_insts;
+ HashTable<const char *, FuncInst *, uintptr_t, 4, model_malloc, model_calloc, model_free> func_inst_map;
+
+ /* List of all atomic actions in this function */
+ func_inst_list_mt inst_list;
- func_inst_list_t inst_list;
+ /* 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;
+
+ /* 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;
+
+ /* 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__ */