#include "funcnode.h"
FuncNode::FuncNode() :
+ predicate_tree_initialized(false),
func_inst_map(),
inst_list(),
entry_insts(),
- thrd_read_map(),
- read_locations()
+ thrd_read_map()
{}
-/* Check whether FuncInst with the same type, position, and location
+/* Check whether FuncInst with the same type, position, and location
* as act has been added to func_inst_map or not. If so, return it;
* 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();
func_inst = new FuncInst(act, this);
inst->get_collisions()->push_back(func_inst);
- inst_list.push_back(func_inst); // delete?
+ inst_list.push_back(func_inst); // delete?
return func_inst;
}
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();
}
}
void * location = act->get_location();
uint64_t read_from_val = act->get_reads_from_value();
- if (thrd_read_map.size() <= tid)
+ /* resize and initialize */
+ uint32_t old_size = thrd_read_map.size();
+ if (old_size <= tid) {
thrd_read_map.resize(tid + 1);
-
- read_map_t * read_map = thrd_read_map[tid];
- if (read_map == NULL) {
- read_map = new read_map_t();
- thrd_read_map[tid] = read_map;
+ for (uint32_t i = old_size; i < tid + 1;i++)
+ thrd_read_map[i] = new read_map_t();
}
+ read_map_t * read_map = thrd_read_map[tid];
read_map->put(location, read_from_val);
/* Store the memory locations where atomic reads happen */
- bool push_loc = true;
- ModelList<void *>::iterator it;
- for (it = read_locations.begin(); it != read_locations.end(); it++) {
- if (location == *it) {
- push_loc = false;
- break;
- }
- }
-
- if (push_loc)
- read_locations.push_back(location);
+ // read_locations.add(location);
}
-uint64_t FuncNode::query_last_read(ModelAction * act, uint32_t tid)
+uint64_t FuncNode::query_last_read(void * location, uint32_t tid)
{
if (thrd_read_map.size() <= tid)
return 0xdeadbeef;
read_map_t * read_map = thrd_read_map[tid];
- void * location = act->get_location();
/* last read value not found */
if ( !read_map->contains(location) )
*/
void FuncNode::clear_read_map(uint32_t tid)
{
- ASSERT(thrd_read_map.size() > tid);
+ if (thrd_read_map.size() <= tid)
+ return;
+
thrd_read_map[tid]->reset();
}
+void FuncNode::init_predicate_tree(func_inst_list_t * inst_list)
+{
+ if (inst_list == NULL || inst_list->size() == 0)
+ return;
+
+ 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();
+
+ 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
- * Print the values read by the last read actions per memory location
+ * Print the values read by the last read actions for each memory location
*/
void FuncNode::print_last_read(uint32_t tid)
{
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);
}
+*/
}
projects / c11tester.git / blobdiff