using std::memory_order_release;
using std::memory_order_acq_rel;
using std::memory_order_seq_cst;
+using std::volatile_order;
/**
* @brief A recognizable don't-care value for use in the ModelAction::value
/** @brief Represents an action type, identifying one of several types of
* ModelAction */
typedef enum action_type {
- THREAD_CREATE, // < A thread creation action
- THREAD_START, // < First action in each thread
- THREAD_YIELD, // < A thread yield action
- THREAD_JOIN, // < A thread join action
- THREAD_FINISH, // < A thread completion action
- PTHREAD_CREATE, // < A pthread creation action
- PTHREAD_JOIN, // < A pthread join action
- ATOMIC_UNINIT, // < Represents an uninitialized atomic
- ATOMIC_READ, // < An atomic read action
- ATOMIC_WRITE, // < An atomic write action
- ATOMIC_RMWR, // < The read part of an atomic RMW action
- ATOMIC_RMWRCAS, // < The read part of an atomic RMW action
- ATOMIC_RMW, // < The write part of an atomic RMW action
- ATOMIC_RMWC, // < Convert an atomic RMW action into a READ
- ATOMIC_INIT, // < Initialization of an atomic object (e.g., atomic_init())
- ATOMIC_FENCE, // < A fence action
- ATOMIC_LOCK, // < A lock action
- ATOMIC_TRYLOCK, // < A trylock action
- ATOMIC_UNLOCK, // < An unlock action
- ATOMIC_NOTIFY_ONE, // < A notify_one action
- ATOMIC_NOTIFY_ALL, // < A notify all action
- ATOMIC_WAIT, // < A wait action
- ATOMIC_ANNOTATION, // < An annotation action to pass information to a trace analysis
- NOOP
+ THREAD_CREATE, // < A thread creation action
+ THREAD_START, // < First action in each thread
+ THREAD_YIELD, // < A thread yield action
+ THREAD_JOIN, // < A thread join action
+ THREAD_FINISH, // < A thread completion action
+ PTHREAD_CREATE, // < A pthread creation action
+ PTHREAD_JOIN, // < A pthread join action
+ ATOMIC_UNINIT, // < Represents an uninitialized atomic
+ ATOMIC_READ, // < An atomic read action
+ ATOMIC_WRITE, // < An atomic write action
+ ATOMIC_RMWR, // < The read part of an atomic RMW action
+ ATOMIC_RMWRCAS, // < The read part of an atomic RMW action
+ ATOMIC_RMW, // < The write part of an atomic RMW action
+ ATOMIC_RMWC, // < Convert an atomic RMW action into a READ
+ ATOMIC_INIT, // < Initialization of an atomic object (e.g., atomic_init())
+ ATOMIC_FENCE, // < A fence action
+ ATOMIC_LOCK, // < A lock action
+ ATOMIC_TRYLOCK, // < A trylock action
+ ATOMIC_UNLOCK, // < An unlock action
+ ATOMIC_NOTIFY_ONE, // < A notify_one action
+ ATOMIC_NOTIFY_ALL, // < A notify all action
+ ATOMIC_WAIT, // < A wait action
+ ATOMIC_ANNOTATION, // < An annotation action to pass information to a trace analysis
+ VOLATILE_READ,
+ VOLATILE_WRITE,
+ NOOP // no operation, which returns control to scheduler
} action_type_t;
public:
ModelAction(action_type_t type, memory_order order, void *loc, uint64_t value = VALUE_NONE, Thread *thread = NULL);
ModelAction(action_type_t type, memory_order order, void *loc, uint64_t value, int size);
+ ModelAction(action_type_t type, const char * position, memory_order order, void *loc, uint64_t value, int size);
+ ModelAction(action_type_t type, const char * position, memory_order order, void *loc, uint64_t value = VALUE_NONE, Thread *thread = NULL);
~ModelAction();
void print() const;
memory_order get_original_mo() const { return original_order; }
void set_mo(memory_order order) { this->order = order; }
void * get_location() const { return location; }
+ const char * get_position() const { return position; }
modelclock_t get_seq_number() const { return seq_number; }
uint64_t get_value() const { return value; }
uint64_t get_reads_from_value() const;
uint64_t get_write_value() const;
uint64_t get_return_value() const;
- const ModelAction * get_reads_from() const { return reads_from; }
+ ModelAction * get_reads_from() const { return reads_from; }
cdsc::mutex * get_mutex() const;
- Node * get_node() const;
- void set_node(Node *n) { node = n; }
-
- void set_read_from(const ModelAction *act);
+ void set_read_from(ModelAction *act);
/** Store the most recent fence-release from the same thread
* @param fence The fence-release that occured prior to this */
Thread * get_thread_operand() const;
void create_cv(const ModelAction *parent = NULL);
ClockVector * get_cv() const { return cv; }
+ ClockVector * get_rfcv() const { return rf_cv; }
+ void set_rfcv(ClockVector * rfcv) { rf_cv = rfcv; }
bool synchronize_with(const ModelAction *act);
bool has_synchronized_with(const ModelAction *act) const;
/* to accomodate pthread create and join */
Thread * thread_operand;
void set_thread_operand(Thread *th) { thread_operand = th; }
- MEMALLOC
+ void set_uninit_action(ModelAction *act) { uninitaction = act; }
+ ModelAction * get_uninit_action() { return uninitaction; }
+ SNAPSHOTALLOC
private:
const char * get_type_str() const;
const char * get_mo_str() const;
/** @brief A pointer to the memory location for this action. */
void *location;
+ /** @brief A pointer to the source line for this atomic action. */
+ const char * position;
+
union {
/**
* @brief The store that this action reads from
*
* Only valid for reads
*/
- const ModelAction *reads_from;
+ ModelAction *reads_from;
int size;
};
/** @brief The last fence release from the same thread */
const ModelAction *last_fence_release;
-
- /**
- * @brief A back reference to a Node in NodeStack
- *
- * Only set if this ModelAction is saved on the NodeStack. (A
- * ModelAction can be thrown away before it ever enters the NodeStack.)
- */
- Node *node;
+ ModelAction * uninitaction;
/**
* @brief The clock vector for this operation
* vectors for all operations.
*/
ClockVector *cv;
+ ClockVector *rf_cv;
/** @brief The value written (for write or RMW; undefined for read) */
uint64_t value;
modelclock_t seq_number;
};
-#endif/* __ACTION_H__ */
+#endif /* __ACTION_H__ */