add a special order for volatile loads and stores

[c11tester.git] / history.cc

diff --git a/history.cc b/history.cc
index 7452c5c1916b310d3eff2684830cb80eff2148f2..4dfbd409e9a1e72bd0e49539f1a24782ca205851 100644 (file)
--- a/history.cc
+++ b/history.cc
@@ -10,10 +10,10 @@
 
 /** @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()
 {}
 
 void ModelHistory::enter_function(const uint32_t func_id, thread_id_t tid)
@@ -46,6 +46,7 @@ void ModelHistory::enter_function(const uint32_t func_id, thread_id_t tid)
        func_inst_lists->push_back( new func_inst_list_t() );
 }
 
+/* @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);
@@ -59,11 +60,14 @@ void ModelHistory::exit_function(const uint32_t func_id, thread_id_t tid)
        uint32_t last_func_id = func_list->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);
 
+               func_list->pop_back();
                func_inst_lists->pop_back();
        } else {
                model_print("trying to exit with a wrong function id\n");
@@ -72,7 +76,7 @@ void ModelHistory::exit_function(const uint32_t func_id, thread_id_t tid)
        //model_print("thread %d exiting func %d\n", tid, func_id);
 }
 
-void ModelHistory::add_func_atomic(ModelAction *act, thread_id_t tid)
+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 */
@@ -92,60 +96,60 @@ void ModelHistory::add_func_atomic(ModelAction *act, thread_id_t tid)
 
        uint32_t func_id = func_list->back();
 
-       if ( func_atomics.size() <= func_id )
-               func_atomics.resize( func_id + 1 );
+       if ( func_nodes.size() <= func_id )
+               func_nodes.resize( func_id + 1 );
 
-       FuncNode * func_node = func_atomics[func_id];
+       FuncNode * func_node = func_nodes[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);
 
-               func_atomics[func_id] = func_node;
+               func_nodes[func_id] = func_node;
        }
 
+       /* add corresponding FuncInst to func_node */
        FuncInst * inst = func_node->get_or_add_action(act);
-       if (inst != NULL) {
-               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)
-{
-       if (inst_list == NULL)
+       if (inst == NULL)
                return;
 
-       func_inst_list_t::iterator it = inst_list->begin();
-       func_inst_list_t::iterator prev = inst_list->end();
-       it++;
-
-       while (it != inst_list->end()) {
-               prev = it;
-               prev--;
+       if (inst->is_read())
+               func_node->store_read(act, tid);
 
-               FuncInst * prev_inst = *prev;
-               FuncInst * curr_inst = *it;
+       /* 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);
+}
 
-               prev_inst->add_succ(curr_inst);
-               curr_inst->add_pred(prev_inst);
+/* 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
+               return NULL;
 
-               it++;
-       }
+       return func_nodes[func_id];
 }
 
 void ModelHistory::print()
 {
-       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];
+
+               func_inst_list_mt * entry_insts = func_node->get_entry_insts();
+               model_print("function %s has entry actions\n", func_node->get_func_name());
 
-               if (funcNode == NULL)
-                       continue;
+               func_inst_list_mt::iterator 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;
@@ -153,5 +157,6 @@ void ModelHistory::print()
                        FuncInst *inst = *it;
                        model_print("type: %d, at: %s\n", inst->get_type(), inst->get_position());
                }
+*/
        }
 }