X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=history.h;h=f06c2e44e46cb189c34d06f870063a75a0dcd772;hb=e8b52d444be1e3fd84ca8d0492356cafb76d71ac;hp=b42c34b1ca99884e82a836bd016e0ceb7421c570;hpb=0c8b810bcf730dcf184c0b35eef074f89a40fac3;p=c11tester.git

diff --git a/history.h b/history.h
index b42c34b1..f06c2e44 100644
--- a/history.h
+++ b/history.h
@@ -1,10 +1,11 @@
-#include "stl-model.h"
+#ifndef __HISTORY_H__
+#define __HISTORY_H__
+
 #include "common.h"
+#include "classlist.h"
 #include "hashtable.h"
 #include "threads-model.h"
 
-typedef SnapList<uint32_t> func_id_list_t;
-
 class ModelHistory {
 public:
 	ModelHistory();
@@ -16,27 +17,88 @@ 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);
+
+	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);
 
-	HashTable<const char *, uint32_t, uintptr_t, 4> * getFuncMap() { return &func_map; }
-	ModelVector<FuncNode *> * getFuncAtomics() { return &func_atomics; }
+	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; }
 
-	void print();
+	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);
+
+	SnapVector<inst_act_map_t *> * getThrdInstActMap(uint32_t func_id);
+
+	void set_new_exec_flag();
+	void dump_func_node_graph();
+	void print_func_node();
+	void print_waiting_threads();
 
 	MEMALLOC
 private:
 	uint32_t func_counter;
 
-	/* map function names to integer ids */ 
-	HashTable<const char *, uint32_t, uintptr_t, 4> func_map;
+	/* Map function names to integer ids */
+	HashTable<const char *, uint32_t, uintptr_t, 4, model_malloc, model_calloc, model_free> func_map;
+
+	/* Map integer ids to function names */
+	ModelVector<const char *> func_map_rev;
+
+	ModelVector<FuncNode *> func_nodes;
 
-	ModelVector<FuncNode *> func_atomics;
+	/* Map a location to a set of values that have been written to it */
+	HashTable<void *, value_set_t *, uintptr_t, 0> * write_history;
 
-	/* 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 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;
+
+	/* Keeps track of atomic actions that thread i has performed in some
+	 * function. Index of SnapVector is thread id. SnapList simulates
+	 * the call stack.
+	 */
+	SnapVector< SnapList<action_list_t *> *> * thrd_func_act_lists;
+
+	/* 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> * 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;
+
+	/* A run-time map from FuncInst to ModelAction per thread, per FuncNode.
+	 * Manipulated by FuncNode, and needed by NewFuzzer */
+	HashTable<uint32_t, SnapVector<inst_act_map_t *> *, int, 0> * func_inst_act_maps;
+
+	bool skip_action(ModelAction * act, SnapList<ModelAction *> * curr_act_list);
+	void monitor_waiting_thread(uint32_t func_id, thread_id_t tid);
+	void monitor_waiting_thread_counter(thread_id_t tid);
 
-	/* todo: move work_list to execution.cc to avoid seg fault */
-	SnapVector< func_id_list_t * > work_list;
 };
+
+#endif	/* __HISTORY_H__ */