#include "threads-model.h"
#include "datarace.h"
-memory_order orders[8] = {
+memory_order orders[6] = {
memory_order_relaxed, memory_order_consume, memory_order_acquire,
memory_order_release, memory_order_acq_rel, memory_order_seq_cst,
};
}
}
-/** Performs a read action.*/
-uint64_t model_read_action(void * obj, memory_order ord) {
- return model->switch_to_master(new ModelAction(ATOMIC_READ, ord, obj));
-}
-
-/** Performs a write action.*/
-void model_write_action(void * obj, memory_order ord, uint64_t val) {
- model->switch_to_master(new ModelAction(ATOMIC_WRITE, ord, obj, val));
-}
-
-/** Performs an init action. */
-void model_init_action(void * obj, uint64_t val) {
- model->switch_to_master(new ModelAction(ATOMIC_INIT, memory_order_relaxed, obj, val));
-}
-
-/**
- * Performs the read part of a RMW action. The next action must either be the
- * write part of the RMW action or an explicit close out of the RMW action w/o
- * a write.
- */
-uint64_t model_rmwr_action(void *obj, memory_order ord) {
- return model->switch_to_master(new ModelAction(ATOMIC_RMWR, ord, obj));
-}
-
-/**
- * Performs the read part of a RMW CAS action. The next action must
- * either be the write part of the RMW action or an explicit close out
- * of the RMW action w/o a write.
- */
-uint64_t model_rmwrcas_action(void *obj, memory_order ord, uint64_t oldval, int size) {
- return model->switch_to_master(new ModelAction(ATOMIC_RMWRCAS, ord, obj, oldval, size));
-}
-
-
-/** Performs the write part of a RMW action. */
-void model_rmw_action(void *obj, memory_order ord, uint64_t val) {
- model->switch_to_master(new ModelAction(ATOMIC_RMW, ord, obj, val));
-}
-
-/** Closes out a RMW action without doing a write. */
-void model_rmwc_action(void *obj, memory_order ord) {
- model->switch_to_master(new ModelAction(ATOMIC_RMWC, ord, obj));
-}
-
-/** Issues a fence operation. */
-void model_fence_action(memory_order ord) {
- model->switch_to_master(new ModelAction(ATOMIC_FENCE, ord, FENCE_LOCATION));
-}
-
/* --- helper functions --- */
uint64_t model_rmwrcas_action_helper(void *obj, int atomic_index, uint64_t oldval, int size, const char *position) {
ensureModel();
- return model->switch_to_master(new ModelAction(ATOMIC_RMWRCAS, position, orders[atomic_index], obj, oldval, size));
+ return model->switch_thread(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) {
ensureModel();
- return model->switch_to_master(new ModelAction(ATOMIC_RMWR, position, orders[atomic_index], obj));
+ return model->switch_thread(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) {
ensureModel();
- model->switch_to_master(new ModelAction(ATOMIC_RMW, position, orders[atomic_index], obj, val));
+ model->switch_thread(new ModelAction(ATOMIC_RMW, position, orders[atomic_index], obj, val));
}
void model_rmwc_action_helper(void *obj, int atomic_index, const char *position) {
ensureModel();
- model->switch_to_master(new ModelAction(ATOMIC_RMWC, position, orders[atomic_index], obj));
+ model->switch_thread(new ModelAction(ATOMIC_RMWC, position, orders[atomic_index], obj));
}
// cds volatile loads
#define VOLATILELOAD(size) \
uint ## size ## _t cds_volatile_load ## size(void * obj, const char * position) { \
ensureModel(); \
- return (uint ## size ## _t)model->switch_to_master(new ModelAction(ATOMIC_READ, position, memory_order_relaxed, obj)); \
+ return (uint ## size ## _t)model->switch_thread(new ModelAction(ATOMIC_READ, position, memory_order_volatile_load, obj)); \
}
VOLATILELOAD(8)
#define VOLATILESTORE(size) \
void cds_volatile_store ## size (void * obj, uint ## size ## _t val, const char * position) { \
ensureModel(); \
- model->switch_to_master(new ModelAction(ATOMIC_WRITE, position, memory_order_relaxed, obj, (uint64_t) val)); \
- *((volatile uint ## size ## _t *)obj) = val; \
+ model->switch_thread(new ModelAction(ATOMIC_WRITE, position, memory_order_volatile_store, obj, (uint64_t) val)); \
+ *((volatile uint ## size ## _t *)obj) = val; \
+ thread_id_t tid = thread_current_id(); \
+ for(int i=0;i < size / 8;i++) { \
+ atomraceCheckWrite(tid, (void *)(((char *)obj)+i)); \
+ } \
}
VOLATILESTORE(8)
#define CDSATOMICINT(size) \
void cds_atomic_init ## size (void * obj, uint ## size ## _t val, const char * position) { \
ensureModel(); \
- model->switch_to_master(new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)); \
+ model->switch_thread(new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)); \
*((volatile uint ## size ## _t *)obj) = val; \
- thread_id_t tid = thread_current()->get_id(); \
+ thread_id_t tid = thread_current_id(); \
for(int i=0;i < size / 8;i++) { \
- recordWrite(tid, (void *)(((char *)obj)+i)); \
+ atomraceCheckWrite(tid, (void *)(((char *)obj)+i)); \
} \
}
#define CDSATOMICLOAD(size) \
uint ## size ## _t cds_atomic_load ## size(void * obj, int atomic_index, const char * position) { \
ensureModel(); \
- return (uint ## size ## _t)model->switch_to_master( \
+ uint ## size ## _t val = (uint ## size ## _t)model->switch_thread( \
new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj)); \
+ thread_id_t tid = thread_current_id(); \
+ for(int i=0;i < size / 8;i++) { \
+ atomraceCheckRead(tid, (void *)(((char *)obj)+i)); \
+ } \
+ return val; \
}
CDSATOMICLOAD(8)
#define CDSATOMICSTORE(size) \
void cds_atomic_store ## size(void * obj, uint ## size ## _t val, int atomic_index, const char * position) { \
ensureModel(); \
- model->switch_to_master(new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val)); \
+ model->switch_thread(new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, (uint64_t) val)); \
*((volatile uint ## size ## _t *)obj) = val; \
- thread_id_t tid = thread_current()->get_id(); \
+ thread_id_t tid = thread_current_id(); \
for(int i=0;i < size / 8;i++) { \
- recordWrite(tid, (void *)(((char *)obj)+i)); \
+ atomraceCheckWrite(tid, (void *)(((char *)obj)+i)); \
} \
}
_copy __op__ _val; \
model_rmw_action_helper(addr, (uint64_t) _copy, atomic_index, position); \
*((volatile uint ## size ## _t *)addr) = _copy; \
- thread_id_t tid = thread_current()->get_id(); \
+ thread_id_t tid = thread_current_id(); \
for(int i=0;i < size / 8;i++) { \
+ atomraceCheckRead(tid, (void *)(((char *)addr)+i)); \
recordWrite(tid, (void *)(((char *)addr)+i)); \
} \
- return _old; \
+ return _old; \
})
// cds atomic exchange
if (_old == _expected) { \
model_rmw_action_helper(addr, (uint64_t) _desired, atomic_index, position); \
*((volatile uint ## size ## _t *)addr) = desired; \
- thread_id_t tid = thread_current()->get_id(); \
+ thread_id_t tid = thread_current_id(); \
for(int i=0;i < size / 8;i++) { \
recordWrite(tid, (void *)(((char *)addr)+i)); \
} \
// cds atomic thread fence
void cds_atomic_thread_fence(int atomic_index, const char * position) {
- model->switch_to_master(
+ model->switch_thread(
new ModelAction(ATOMIC_FENCE, position, orders[atomic_index], FENCE_LOCATION)
);
}
*/
void cds_func_entry(const char * funcName) {
- if (!model) return;
-
- Thread * th = thread_current();
+#ifdef NEWFUZZER
+ ensureModel();
+ thread_id_t tid = thread_current_id();
uint32_t func_id;
ModelHistory *history = model->get_history();
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());
+ history->enter_function(func_id, tid);
+#endif
}
void cds_func_exit(const char * funcName) {
- if (!model) return;
-
- Thread * th = thread_current();
+#ifdef NEWFUZZER
+ ensureModel();
+ thread_id_t tid = thread_current_id();
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.
- */
+/*
+ * 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());
+ history->exit_function(func_id, tid);
+#endif
}
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