+++ /dev/null
-#include <inttypes.h>
-#include "history.h"
-#include "action.h"
-#include "funcnode.h"
-#include "common.h"
-
-#include "model.h"
-#include "execution.h"
-
-
-/** @brief Constructor */
-ModelHistory::ModelHistory() :
- func_counter(1), /* function id starts with 1 */
- func_map(),
- func_map_rev(),
- func_nodes(),
- write_history(), // snapshot data structure
- loc_func_nodes_map() // shapshot data structure
-{}
-
-void ModelHistory::enter_function(const uint32_t func_id, thread_id_t tid)
-{
- //model_print("thread %d entering func %d\n", tid, func_id);
- uint id = id_to_int(tid);
- SnapVector<func_id_list_t> * thrd_func_list = model->get_execution()->get_thrd_func_list();
- SnapVector< SnapList<action_list_t *> *> *
- thrd_func_act_lists = model->get_execution()->get_thrd_func_act_lists();
-
- if ( thrd_func_list->size() <= id ) {
- uint oldsize = thrd_func_list->size();
- thrd_func_list->resize( id + 1 );
- for (uint i = oldsize; i < id + 1; i++) {
- new (&(*thrd_func_list)[i]) func_id_list_t();
- // push 0 as a dummy function id to a void seg fault
- (*thrd_func_list)[i].push_back(0);
- }
-
- thrd_func_act_lists->resize( id + 1 );
- for (uint i = oldsize; i < id + 1; i++) {
- (*thrd_func_act_lists)[i] = new SnapList<action_list_t *>();
- }
- }
-
- SnapList<action_list_t *> * func_act_lists = (*thrd_func_act_lists)[id];
-
- (*thrd_func_list)[id].push_back(func_id);
- func_act_lists->push_back( new action_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< SnapList<action_list_t *> *> *
- thrd_func_act_lists = model->get_execution()->get_thrd_func_act_lists();
-
- SnapList<action_list_t *> * func_act_lists = (*thrd_func_act_lists)[id];
- uint32_t last_func_id = (*thrd_func_list)[id].back();
-
- if (last_func_id == func_id) {
- FuncNode * func_node = func_nodes[func_id];
- //func_node->clear_read_map(tid);
-
- action_list_t * curr_act_list = func_act_lists->back();
-
- /* defer the processing of curr_act_list until the function has exits a few times
- * (currently 2 times) so that more information can be gathered to infer nullity predicates.
- */
- func_node->incr_exit_count();
- if (func_node->get_exit_count() >= 2) {
- ModelList<action_list_t *> * action_list_buffer = func_node->get_action_list_buffer();
- while (action_list_buffer->size() > 0) {
- action_list_t * act_list = action_list_buffer->back();
- action_list_buffer->pop_back();
- func_node->update_tree(act_list);
- }
-
- func_node->update_tree(curr_act_list);
- } else
- func_node->get_action_list_buffer()->push_front(curr_act_list);
-
- (*thrd_func_list)[id].pop_back();
- func_act_lists->pop_back();
- } else {
- model_print("trying to exit with a wrong function id\n");
- model_print("--- last_func: %d, func_id: %d\n", last_func_id, func_id);
- }
- //model_print("thread %d exiting func %d\n", tid, func_id);
-}
-
-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(this);
- 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< SnapList<action_list_t *> *> *
- thrd_func_act_lists = model->get_execution()->get_thrd_func_act_lists();
-
- uint32_t id = id_to_int(tid);
- if ( thrd_func_list->size() <= id )
- return;
-
- /* get the function id that thread i is currently in */
- uint32_t func_id = (*thrd_func_list)[id].back();
- SnapList<action_list_t *> * func_act_lists = (*thrd_func_act_lists)[id];
-
- if (act->is_write()) {
- void * location = act->get_location();
- uint64_t value = act->get_write_value();
- add_to_write_history(location, value);
-
- /* update FuncNodes */
- SnapList<FuncNode *> * func_nodes = loc_func_nodes_map.get(location);
- sllnode<FuncNode *> * it = NULL;
- if (func_nodes != NULL)
- it = func_nodes->begin();
-
- for (; it != NULL; it = it->getNext()) {
- FuncNode * func_node = it->getVal();
- func_node->add_to_val_loc_map(value, location);
- }
- }
-
- /* the following does not care about actions without a position */
- if (func_id == 0 || act->get_position() == NULL)
- return;
-
- if ( func_nodes.size() <= func_id )
- resize_func_nodes( func_id + 1 );
-
- FuncNode * func_node = func_nodes[func_id];
-
-// if (act->is_read())
-// func_node->store_read(act, tid);
-
- /* add to curr_inst_list */
- bool second_part_of_rmw = act->is_rmwc() || act->is_rmw();
- if (!second_part_of_rmw) {
- action_list_t * curr_act_list = func_act_lists->back();
- ASSERT(curr_act_list != NULL);
-
- ModelAction * last_act = NULL;
- if (curr_act_list->size() != 0)
- last_act = curr_act_list->back();
-
- // do not add actions with the same sequence number twice
- if (last_act != NULL && last_act->get_seq_number() == act->get_seq_number())
- return;
-
- curr_act_list->push_back(act);
- func_node->add_inst(act);
- }
-}
-
-/* return the FuncNode given its func_id */
-FuncNode * ModelHistory::get_func_node(uint32_t func_id)
-{
- if (func_nodes.size() <= func_id) // this node has not been added to func_nodes
- 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);
-
- ASSERT( thrd_func_list->size() > id );
- uint32_t func_id = (*thrd_func_list)[id].back();
- FuncNode * func_node = func_nodes[func_id];
-
- uint64_t last_read_val = 0xdeadbeef;
- if (func_node != NULL) {
- last_read_val = func_node->query_last_read(location, tid);
- }
-
- return last_read_val;
-}
-*/
-
-void ModelHistory::add_to_write_history(void * location, uint64_t write_val)
-{
- value_set_t * write_set = write_history.get(location);
-
- if (write_set == NULL) {
- write_set = new value_set_t();
- write_history.put(location, write_set);
- }
-
- write_set->add(write_val);
-}
-
-void ModelHistory::add_to_loc_func_nodes_map(void * location, FuncNode * node)
-{
- SnapList<FuncNode *> * func_node_list = loc_func_nodes_map.get(location);
- if (func_node_list == NULL) {
- func_node_list = new SnapList<FuncNode *>();
- loc_func_nodes_map.put(location, func_node_list);
- }
-
- func_node_list->push_back(node);
-}
-
-void ModelHistory::set_new_exec_flag()
-{
- for (uint i = 1; i < func_nodes.size(); i++) {
- FuncNode * func_node = func_nodes[i];
- func_node->set_new_exec_flag();
- }
-}
-
-void ModelHistory::print_write()
-{
-}
-
-void ModelHistory::print_func_node()
-{
- /* function id starts with 1 */
- for (uint32_t i = 1; i < func_nodes.size(); i++) {
- FuncNode * func_node = func_nodes[i];
-
- func_inst_list_mt * entry_insts = func_node->get_entry_insts();
- model_print("function %s has entry actions\n", func_node->get_func_name());
-
- mllnode<FuncInst*>* it;
- for (it = entry_insts->begin();it != NULL;it=it->getNext()) {
- FuncInst *inst = it->getVal();
- 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