#include "funcnode.h"
-#include "predicate.h"
FuncNode::FuncNode() :
+ predicate_tree_initialized(false),
func_inst_map(),
inst_list(),
entry_insts(),
- thrd_read_map(),
- write_history(),
- write_locations()
+ thrd_read_map()
{}
/* Check whether FuncInst with the same type, position, and location
* if not, add it and return it.
*
* @return FuncInst with the same type, position, and location as act */
-FuncInst * FuncNode::get_or_add_action(ModelAction *act)
+FuncInst * FuncNode::get_or_add_inst(ModelAction *act)
{
ASSERT(act);
const char * position = act->get_position();
if (inst == NULL)
return;
- func_inst_list_mt::iterator it;
- for (it = entry_insts.begin();it != entry_insts.end();it++) {
- if (inst == *it)
+ mllnode<FuncInst*>* it;
+ for (it = entry_insts.begin(); it != NULL; it = it->getNext()) {
+ if (inst == it->getVal())
return;
}
entry_insts.push_back(inst);
}
-/* @param inst_list a list of FuncInsts; this argument comes from ModelExecution
- * Link FuncInsts in a list - add one FuncInst to another's predecessors and successors
+/* @param act_list a list of ModelActions; this argument comes from ModelExecution
+ * convert act_inst to inst_list do linking - add one FuncInst to another's predecessors and successors
*/
-void FuncNode::link_insts(func_inst_list_t * inst_list)
+void FuncNode::update_inst_tree(action_list_t * act_list)
{
- if (inst_list == NULL)
+ if (act_list == NULL)
+ return;
+ else if (act_list->size() == 0)
return;
- func_inst_list_t::iterator it = inst_list->begin();
- func_inst_list_t::iterator prev;
+ /* build inst_list from act_list for later processing */
+ func_inst_list_t inst_list;
+ for (sllnode<ModelAction *> * it = act_list->begin(); it != NULL; it = it->getNext()) {
+ ModelAction * act = it->getVal();
+ FuncInst * func_inst = get_or_add_inst(act);
- if (inst_list->size() == 0)
- return;
+ if (func_inst != NULL)
+ inst_list.push_back(func_inst);
+ }
+
+ /* start linking */
+ sllnode<FuncInst *>* it = inst_list.begin();
+ sllnode<FuncInst *>* prev;
/* add the first instruction to the list of entry insts */
- FuncInst * entry_inst = *it;
+ FuncInst * entry_inst = it->getVal();
add_entry_inst(entry_inst);
- it++;
- while (it != inst_list->end()) {
- prev = it;
- prev--;
+ it = it->getNext();
+ while (it != NULL) {
+ prev = it->getPrev();
- FuncInst * prev_inst = *prev;
- FuncInst * curr_inst = *it;
+ FuncInst * prev_inst = prev->getVal();
+ FuncInst * curr_inst = it->getVal();
prev_inst->add_succ(curr_inst);
curr_inst->add_pred(prev_inst);
- it++;
+ it = it->getNext();
}
}
uint32_t old_size = thrd_read_map.size();
if (old_size <= tid) {
thrd_read_map.resize(tid + 1);
- for (uint32_t i = old_size; i < tid + 1; i++)
+ for (uint32_t i = old_size; i < tid + 1;i++)
thrd_read_map[i] = new read_map_t();
}
thrd_read_map[tid]->reset();
}
-void FuncNode::add_to_write_history(void * location, uint64_t write_val)
+void FuncNode::init_predicate_tree(func_inst_list_t * inst_list)
{
- write_set_t * write_set = write_history.get(location);
+ if (inst_list == NULL || inst_list->size() == 0)
+ return;
- if (write_set == NULL) {
- write_set = new write_set_t();
- write_history.put(location, write_set);
- }
+ if (predicate_tree_initialized)
+ return;
+
+ predicate_tree_initialized = true;
+
+ // maybe restrict the size of hashtable to save calloc time
+ HashTable<void *, FuncInst *, uintptr_t, 4> loc_inst_map;
+
+ sllnode<FuncInst *> *it = inst_list->begin();
+ sllnode<FuncInst *> *prev;
+
+ FuncInst * entry_inst = it->getVal();
+
+ /* entry instruction has no predicate expression */
+ Predicate * pred_entry = new Predicate(entry_inst);
+ loc_inst_map.put(entry_inst->get_location(), entry_inst);
+
+ it = it->getNext();
+ while (it != NULL) {
+ prev = it->getPrev();
+
+ FuncInst * curr_inst = it->getVal();
+ FuncInst * prev_inst = prev->getVal();
- write_set->add(write_val);
- write_locations.add(location);
+ if ( loc_inst_map.contains(curr_inst->get_location()) ) {
+ Predicate * pred1 = new Predicate(curr_inst);
+ pred1->add_predicate(EQUALITY, curr_inst->get_location(), 0);
+
+ Predicate * pred2 = new Predicate(curr_inst);
+ pred2->add_predicate(EQUALITY, curr_inst->get_location(), 1);
+ }
+
+ loc_inst_map.put(curr_inst->get_location(), curr_inst);
+
+ it = it->getNext();
+ }
}
+
void FuncNode::generate_predicate(FuncInst *func_inst)
{
-
+
}
/* @param tid thread id
ASSERT(thrd_read_map.size() > tid);
read_map_t * read_map = thrd_read_map[tid];
/*
- ModelList<void *>::iterator it;
- for (it = read_locations.begin();it != read_locations.end();it++) {
- if ( !read_map->contains(*it) )
+ mllnode<void *> * it;
+ for (it = read_locations.begin();it != NULL;it=it->getNext()) {
+ if ( !read_map->contains(it->getVal()) )
break;
- uint64_t read_val = read_map->get(*it);
- model_print("last read of thread %d at %p: 0x%x\n", tid, *it, read_val);
+ uint64_t read_val = read_map->get(it->getVal());
+ model_print("last read of thread %d at %p: 0x%x\n", tid, it->getVal(), read_val);
}
*/
}
-
-void FuncNode::print_write()
-{
- HSIterator<void *, uintptr_t, 4, model_malloc, model_calloc, model_free> * iter;
- HSIterator<uint64_t, uint64_t, 0, model_malloc, model_calloc, model_free> * write_iter;
- iter = write_locations.iterator();
-
- if (write_locations.getSize() > 10) {
- while (iter->hasNext()) {
- void * location = iter->next();
- write_set_t * write_set = write_history.get(location);
-
-// model_print("location: %p contains %d writes\n", location, write_set->getSize());
- if (write_set->getSize() > 5) {
- model_print("location %p has writes: ", location);
- write_iter = write_set->iterator();
-
- while (write_iter->hasNext()) {
- uint64_t val = write_iter->next();
- model_print("%lx ", val);
- }
- model_print("\n");
- }
- }
- } else {
- model_print("\n");
- }
- delete iter;
-}