Change initialize a bit
[c11tester.git] / cmodelint.cc
index ea34324b7a21a2742113268470c6b878b5f03b84..205ef507a060f9bb392070a358332de4ccc62cb4 100644 (file)
 #include "threads-model.h"
 #include "datarace.h"
 
-memory_order orders[7] = {
+memory_order orders[6] = {
        memory_order_relaxed, memory_order_consume, memory_order_acquire,
        memory_order_release, memory_order_acq_rel, memory_order_seq_cst,
 };
 
-static void ensureModel() {
-       if (!model) {
-               snapshot_system_init(10000, 1024, 1024, 40000);
-               model = new ModelChecker();
-               model->startChecker();
-       }
-}
-
-/** 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));
+       createModelIfNotExist();
+       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));
+       createModelIfNotExist();
+       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));
+       createModelIfNotExist();
+       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));
+       createModelIfNotExist();
+       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)); \
+               createModelIfNotExist();                                                      \
+               return (uint ## size ## _t)model->switch_thread(new ModelAction(ATOMIC_READ, position, memory_order_volatile_load, obj)); \
        }
 
 VOLATILELOAD(8)
@@ -108,10 +51,10 @@ VOLATILELOAD(64)
 // cds volatile stores
 #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)); \
+               createModelIfNotExist();                                                      \
+               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()->get_id();           \
+               thread_id_t tid = thread_current_id();           \
                for(int i=0;i < size / 8;i++) {                         \
                        atomraceCheckWrite(tid, (void *)(((char *)obj)+i));          \
                }                                                       \
@@ -125,10 +68,10 @@ VOLATILESTORE(64)
 // cds atomic inits
 #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)); \
+               createModelIfNotExist();                                                      \
+               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++) {                       \
                        atomraceCheckWrite(tid, (void *)(((char *)obj)+i));          \
                }                                                       \
@@ -142,10 +85,10 @@ CDSATOMICINT(64)
 // cds atomic loads
 #define CDSATOMICLOAD(size)                                             \
        uint ## size ## _t cds_atomic_load ## size(void * obj, int atomic_index, const char * position) { \
-               ensureModel();                                                      \
-               uint ## size ## _t val = (uint ## size ## _t)model->switch_to_master( \
+               createModelIfNotExist();                                                      \
+               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()->get_id();           \
+               thread_id_t tid = thread_current_id();           \
                for(int i=0;i < size / 8;i++) {                         \
                        atomraceCheckRead(tid, (void *)(((char *)obj)+i));    \
                }                                                       \
@@ -160,10 +103,10 @@ CDSATOMICLOAD(64)
 // cds atomic stores
 #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)); \
+               createModelIfNotExist();                                                        \
+               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++) {                       \
                        atomraceCheckWrite(tid, (void *)(((char *)obj)+i));          \
                }                                                       \
@@ -183,7 +126,7 @@ CDSATOMICSTORE(64)
                _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));         \
@@ -269,7 +212,7 @@ CDSATOMICXOR(64)
                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));         \
                        }                                                       \
@@ -305,7 +248,7 @@ CDSATOMICCASV2(64)
 // 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)
                );
 }
@@ -340,8 +283,9 @@ void cds_atomic_thread_fence(int atomic_index, const char * position) {
  */
 
 void cds_func_entry(const char * funcName) {
-       ensureModel();
-       Thread * th = thread_current();
+#ifdef NEWFUZZER
+       createModelIfNotExist();
+       thread_id_t tid = thread_current_id();
        uint32_t func_id;
 
        ModelHistory *history = model->get_history();
@@ -361,13 +305,14 @@ void cds_func_entry(const char * funcName) {
                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) {
-       ensureModel();
-
-       Thread * th = thread_current();
+#ifdef NEWFUZZER
+       createModelIfNotExist();
+       thread_id_t tid = thread_current_id();
        uint32_t func_id;
 
        ModelHistory *history = model->get_history();
@@ -381,5 +326,6 @@ void cds_func_exit(const char * funcName) {
        if (func_id == 0)
                return;
 
-       history->exit_function(func_id, th->get_id());
+       history->exit_function(func_id, tid);
+#endif
 }