#include <stdio.h>
+#include <string>
+
#include "model.h"
#include "execution.h"
#include "action.h"
+#include "history.h"
#include "cmodelint.h"
#include "snapshot-interface.h"
#include "threads-model.h"
memory_order_release, memory_order_acq_rel, memory_order_seq_cst
};
-static void ensureModel(ModelAction * action) {
- if (!modelchecker_started) {
- if (!model) {
- snapshot_system_init(10000, 1024, 1024, 40000);
- model = new ModelChecker();
- }
- model->get_execution()->check_current_action(action);
- } else {
- model->switch_to_master(action);
- }
-}
-
-static uint64_t ensureModelValue(ModelAction * action) {
- if (!modelchecker_started) {
- if (!model) {
- snapshot_system_init(10000, 1024, 1024, 40000);
- model = new ModelChecker();
- }
- model->get_execution()->check_current_action(action);
- return thread_current()->get_return_value();
- } else {
- return model->switch_to_master(action);
+static void ensureModel() {
+ if (!model) {
+ snapshot_system_init(10000, 1024, 1024, 40000);
+ model = new ModelChecker();
+ model->startChecker();
}
}
/* --- helper functions --- */
uint64_t model_rmwrcas_action_helper(void *obj, int atomic_index, uint64_t oldval, int size, const char *position) {
- return model->switch_to_master(
- new ModelAction(ATOMIC_RMWRCAS, position, orders[atomic_index], obj)
- );
+ ensureModel();
+ return model->switch_to_master(new ModelAction(ATOMIC_RMWRCAS, position, orders[atomic_index], obj, oldval, size));
}
uint64_t model_rmwr_action_helper(void *obj, int atomic_index, const char *position) {
- return model->switch_to_master(
- new ModelAction(ATOMIC_RMWR, position, orders[atomic_index], obj)
- );
+ ensureModel();
+ return model->switch_to_master(new ModelAction(ATOMIC_RMWR, position, orders[atomic_index], obj));
}
void model_rmw_action_helper(void *obj, uint64_t val, int atomic_index, const char * position) {
- model->switch_to_master(
- new ModelAction(ATOMIC_RMW, position, orders[atomic_index], obj, val)
- );
+ ensureModel();
+ model->switch_to_master(new ModelAction(ATOMIC_RMW, position, orders[atomic_index], obj, val));
}
void model_rmwc_action_helper(void *obj, int atomic_index, const char *position) {
- model->switch_to_master(
- new ModelAction(ATOMIC_RMWC, position, orders[atomic_index], obj)
- );
+ ensureModel();
+ model->switch_to_master(new ModelAction(ATOMIC_RMWC, position, orders[atomic_index], obj));
}
// cds atomic inits
void cds_atomic_init8(void * obj, uint8_t val, const char * position) {
- ensureModel(
- new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)
- );
+ ensureModel();
+ model->switch_to_master(new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val));
}
void cds_atomic_init16(void * obj, uint16_t val, const char * position) {
- ensureModel(
- new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)
- );
+ ensureModel();
+ model->switch_to_master(new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val));
}
void cds_atomic_init32(void * obj, uint32_t val, const char * position) {
- ensureModel(
- new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)
- );
+ ensureModel();
+ model->switch_to_master(new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val));
}
void cds_atomic_init64(void * obj, uint64_t val, const char * position) {
- ensureModel(
- new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, val)
- );
+ ensureModel();
+ model->switch_to_master(new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, val));
}
// cds atomic loads
uint8_t cds_atomic_load8(void * obj, int atomic_index, const char * position) {
- return (uint8_t) ensureModelValue(
+ ensureModel();
+ return (uint8_t) model->switch_to_master(
new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj));
}
uint16_t cds_atomic_load16(void * obj, int atomic_index, const char * position) {
- return (uint16_t) ensureModelValue(
+ ensureModel();
+ return (uint16_t) model->switch_to_master(
new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj));
}
uint32_t cds_atomic_load32(void * obj, int atomic_index, const char * position) {
- return (uint32_t) ensureModelValue(
+ ensureModel();
+ return (uint32_t) model->switch_to_master(
new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj)
);
}
uint64_t cds_atomic_load64(void * obj, int atomic_index, const char * position) {
- return ensureModelValue(
+ ensureModel();
+ return model->switch_to_master(
new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj));
}
// cds atomic stores
void cds_atomic_store8(void * obj, uint8_t val, int atomic_index, const char * position) {
- ensureModel(
- new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val)
- );
+ ensureModel();
+ model->switch_to_master(new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val));
}
void cds_atomic_store16(void * obj, uint16_t val, int atomic_index, const char * position) {
- ensureModel(
- new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val)
- );
+ ensureModel();
+ model->switch_to_master(new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val));
}
void cds_atomic_store32(void * obj, uint32_t val, int atomic_index, const char * position) {
- ensureModel(
- new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val)
- );
+ ensureModel();
+ model->switch_to_master(new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val));
}
void cds_atomic_store64(void * obj, uint64_t val, int atomic_index, const char * position) {
- ensureModel(
- new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, val)
- );
+ ensureModel();
+ model->switch_to_master(new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val));
}
#define _ATOMIC_RMW_(__op__, size, addr, val, atomic_index, position) \
__old__ = __old__; Silence clang (-Wunused-value) \
})
*/
+
+void cds_func_entry(const char * funcName) {
+ if (!model) return;
+
+ Thread * th = thread_current();
+ uint32_t func_id;
+
+ ModelHistory *history = model->get_history();
+ if ( !history->getFuncMap()->contains(funcName) ) {
+ // add func id to func map
+ func_id = history->get_func_counter();
+ history->incr_func_counter();
+ history->getFuncMap()->put(funcName, func_id);
+
+ // add func id to reverse func map
+ ModelVector<const char *> * func_map_rev = history->getFuncMapRev();
+ if ( func_map_rev->size() <= func_id )
+ func_map_rev->resize( func_id + 1 );
+ func_map_rev->at(func_id) = funcName;
+ } else {
+ func_id = history->getFuncMap()->get(funcName);
+ }
+
+ history->enter_function(func_id, th->get_id());
+}
+
+void cds_func_exit(const char * funcName) {
+ if (!model) return;
+
+ Thread * th = thread_current();
+ uint32_t func_id;
+
+ ModelHistory *history = model->get_history();
+ func_id = history->getFuncMap()->get(funcName);
+
+ /* func_id not found; this could happen in the case where a function calls cds_func_entry
+ * when the model has been defined yet, but then an atomic inside the function initializes
+ * the model. And then cds_func_exit is called upon the function exiting.
+ */
+ if (func_id == 0)
+ return;
+
+ history->exit_function(func_id, th->get_id());
+}