/** @brief Constructor */
ModelHistory::ModelHistory() :
- func_counter(0), /* function id starts with 0 */
+ func_counter(1), /* function id starts with 1 */
func_map(),
func_map_rev(),
- func_atomics()
+ func_nodes(),
+ write_history(),
+ write_locations()
{}
void ModelHistory::enter_function(const uint32_t func_id, thread_id_t tid)
{
//model_print("thread %d entering func %d\n", tid, func_id);
uint32_t id = id_to_int(tid);
- SnapVector<func_id_list_t *> * thrd_func_list = model->get_execution()->get_thrd_func_list();
+ SnapVector<func_id_list_t> * thrd_func_list = model->get_execution()->get_thrd_func_list();
SnapVector< SnapList<func_inst_list_t *> *> *
- thrd_func_inst_lists = model->get_execution()->get_thrd_func_inst_lists();
+ thrd_func_inst_lists = model->get_execution()->get_thrd_func_inst_lists();
if ( thrd_func_list->size() <= id ) {
thrd_func_list->resize( id + 1 );
thrd_func_inst_lists->resize( id + 1 );
}
- func_id_list_t * func_list = thrd_func_list->at(id);
SnapList<func_inst_list_t *> * func_inst_lists = thrd_func_inst_lists->at(id);
- if (func_list == NULL) {
- func_list = new func_id_list_t();
- thrd_func_list->at(id) = func_list;
- }
-
if (func_inst_lists == NULL) {
func_inst_lists = new SnapList< func_inst_list_t *>();
thrd_func_inst_lists->at(id) = func_inst_lists;
}
- func_list->push_back(func_id);
+ (*thrd_func_list)[id].push_back(func_id);
func_inst_lists->push_back( new func_inst_list_t() );
+
+ if ( func_nodes.size() <= func_id )
+ resize_func_nodes( func_id + 1 );
}
+/* @param func_id a non-zero value */
void ModelHistory::exit_function(const uint32_t func_id, thread_id_t tid)
{
uint32_t id = id_to_int(tid);
- SnapVector<func_id_list_t *> * thrd_func_list = model->get_execution()->get_thrd_func_list();
+ SnapVector<func_id_list_t> * thrd_func_list = model->get_execution()->get_thrd_func_list();
SnapVector< SnapList<func_inst_list_t *> *> *
- thrd_func_inst_lists = model->get_execution()->get_thrd_func_inst_lists();
+ thrd_func_inst_lists = model->get_execution()->get_thrd_func_inst_lists();
- func_id_list_t * func_list = thrd_func_list->at(id);
SnapList<func_inst_list_t *> * func_inst_lists = thrd_func_inst_lists->at(id);
-
- uint32_t last_func_id = func_list->back();
+ uint32_t last_func_id = (*thrd_func_list)[id].back();
if (last_func_id == func_id) {
- func_list->pop_back();
+ /* clear read map upon exiting functions */
+ FuncNode * func_node = func_nodes[func_id];
+ func_node->clear_read_map(tid);
func_inst_list_t * curr_inst_list = func_inst_lists->back();
- link_insts(curr_inst_list);
+ func_node->link_insts(curr_inst_list);
+ (*thrd_func_list)[id].pop_back();
func_inst_lists->pop_back();
} else {
model_print("trying to exit with a wrong function id\n");
//model_print("thread %d exiting func %d\n", tid, func_id);
}
-void ModelHistory::add_func_atomic(ModelAction *act, thread_id_t tid)
+void ModelHistory::resize_func_nodes(uint32_t new_size)
+{
+ uint32_t old_size = func_nodes.size();
+
+ if ( old_size < new_size )
+ func_nodes.resize(new_size);
+
+ for (uint32_t id = old_size; id < new_size; id++) {
+ const char * func_name = func_map_rev[id];
+ FuncNode * func_node = new FuncNode();
+ func_node->set_func_id(id);
+ func_node->set_func_name(func_name);
+ func_nodes[id] = func_node;
+ }
+}
+
+void ModelHistory::process_action(ModelAction *act, thread_id_t tid)
{
/* return if thread i has not entered any function or has exited
from all functions */
- SnapVector<func_id_list_t *> * thrd_func_list = model->get_execution()->get_thrd_func_list();
+ SnapVector<func_id_list_t> * thrd_func_list = model->get_execution()->get_thrd_func_list();
SnapVector< SnapList<func_inst_list_t *> *> *
- thrd_func_inst_lists = model->get_execution()->get_thrd_func_inst_lists();
+ thrd_func_inst_lists = model->get_execution()->get_thrd_func_inst_lists();
uint32_t id = id_to_int(tid);
if ( thrd_func_list->size() <= id )
return;
- else if (thrd_func_list->at(id) == NULL)
- return;
/* get the function id that thread i is currently in */
- func_id_list_t * func_list = thrd_func_list->at(id);
+ uint32_t func_id = (*thrd_func_list)[id].back();
SnapList<func_inst_list_t *> * func_inst_lists = thrd_func_inst_lists->at(id);
- uint32_t func_id = func_list->back();
+ if ( func_nodes.size() <= func_id )
+ resize_func_nodes( func_id + 1 );
- if ( func_atomics.size() <= func_id )
- func_atomics.resize( func_id + 1 );
+ FuncNode * func_node = func_nodes[func_id];
+ ASSERT (func_node != NULL);
- FuncNode * func_node = func_atomics[func_id];
- if (func_node == NULL) {
- const char * func_name = func_map_rev[func_id];
- func_node = new FuncNode();
- func_node->set_func_id(func_id);
- func_node->set_func_name(func_name);
+ /* add corresponding FuncInst to func_node */
+ FuncInst * inst = func_node->get_or_add_action(act);
- func_atomics[func_id] = func_node;
- }
+ if (inst == NULL)
+ return;
- FuncInst * inst = func_node->get_or_add_action(act);
- if (inst != NULL) {
- func_inst_list_t * curr_inst_list = func_inst_lists->back();
+ if (inst->is_read())
+ func_node->store_read(act, tid);
- ASSERT(curr_inst_list != NULL);
- curr_inst_list->push_back(inst);
- }
+ if (inst->is_write())
+ add_to_write_history(act->get_location(), act->get_write_value());
+
+ /* add to curr_inst_list */
+ func_inst_list_t * curr_inst_list = func_inst_lists->back();
+ ASSERT(curr_inst_list != NULL);
+ curr_inst_list->push_back(inst);
}
-/* Link FuncInsts in a list - add one FuncInst to another's predecessors and successors */
-void ModelHistory::link_insts(func_inst_list_t * inst_list)
+/* return the FuncNode given its func_id */
+FuncNode * ModelHistory::get_func_node(uint32_t func_id)
{
- if (inst_list == NULL)
- return;
+ if (func_nodes.size() <= func_id) // this node has not been added
+ return NULL;
+
+ return func_nodes[func_id];
+}
+
+uint64_t ModelHistory::query_last_read(void * location, thread_id_t tid)
+{
+ SnapVector<func_id_list_t> * thrd_func_list = model->get_execution()->get_thrd_func_list();
+ uint32_t id = id_to_int(tid);
- func_inst_list_t::iterator it = inst_list->begin();
- func_inst_list_t::iterator prev = inst_list->end();
- it++;
+ ASSERT( thrd_func_list->size() > id );
+ uint32_t func_id = (*thrd_func_list)[id].back();
+ FuncNode * func_node = func_nodes[func_id];
- while (it != inst_list->end()) {
- prev = it;
- prev--;
+ uint64_t last_read_val = 0xdeadbeef;
+ if (func_node != NULL) {
+ last_read_val = func_node->query_last_read(location, tid);
+ }
- FuncInst * prev_inst = *prev;
- FuncInst * curr_inst = *it;
+ return last_read_val;
+}
- prev_inst->add_succ(curr_inst);
- curr_inst->add_pred(prev_inst);
+void ModelHistory::add_to_write_history(void * location, uint64_t write_val)
+{
+ write_set_t * write_set = write_history.get(location);
- it++;
+ if (write_set == NULL) {
+ write_set = new write_set_t();
+ write_history.put(location, write_set);
}
+
+ write_set->add(write_val);
+ write_locations.add(location);
+}
+
+void ModelHistory::print_write()
+{
}
-void ModelHistory::print()
+void ModelHistory::print_func_node()
{
- for (uint32_t i = 0; i < func_atomics.size(); i++ ) {
- FuncNode * funcNode = func_atomics[i];
- func_inst_list_mt * inst_list = funcNode->get_inst_list();
+ /* function id starts with 1 */
+ for (uint32_t i = 1; i < func_nodes.size(); i++) {
+ FuncNode * func_node = func_nodes[i];
- if (funcNode == NULL)
- continue;
+ func_inst_list_mt * entry_insts = func_node->get_entry_insts();
+ model_print("function %s has entry actions\n", func_node->get_func_name());
- model_print("function %s has following actions\n", funcNode->get_func_name());
func_inst_list_mt::iterator it;
- for (it = inst_list->begin(); it != inst_list->end(); it++) {
+ for (it = entry_insts->begin();it != entry_insts->end();it++) {
FuncInst *inst = *it;
model_print("type: %d, at: %s\n", inst->get_type(), inst->get_position());
}
+/*
+ func_inst_list_mt * inst_list = funcNode->get_inst_list();
+
+ model_print("function %s has following actions\n", funcNode->get_func_name());
+ func_inst_list_mt::iterator it;
+ for (it = inst_list->begin(); it != inst_list->end(); it++) {
+ FuncInst *inst = *it;
+ model_print("type: %d, at: %s\n", inst->get_type(), inst->get_position());
+ }
+*/
}
}
projects / c11tester.git / blobdiff