* 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));
+ return model->switch_to_master(new ModelAction(ATOMIC_RMWRCAS, ord, obj, oldval, size));
}
uint64_t model_rmwrcas_action_helper(void *obj, int atomic_index, const char *position) {
return model->switch_to_master(
new ModelAction(ATOMIC_RMWRCAS, position, orders[atomic_index], obj)
- );
+ );
}
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)
- );
+ );
}
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)
- );
+ );
}
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)
- );
+ );
}
// cds atomic inits
void cds_atomic_init8(void * obj, uint8_t val, const char * position) {
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) {
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) {
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) {
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) {
+uint8_t cds_atomic_load8(void * obj, int atomic_index, const char * position) {
return (uint8_t) ( model->switch_to_master(
- new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj))
- );
+ 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) ( model->switch_to_master(
- new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj))
- );
+ 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) ( model->switch_to_master(
- new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj))
- );
+ new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj))
+ );
}
uint64_t cds_atomic_load64(void * obj, int atomic_index, const char * position) {
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) {
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) {
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) {
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) {
model->switch_to_master(
new ModelAction(ATOMIC_WRITE, position, orders[atomic_index], obj, val)
- );
+ );
}
#define _ATOMIC_RMW_(__op__, size, addr, val, atomic_index, position) \
-({ \
- uint##size##_t _old = model_rmwr_action_helper(addr, atomic_index, position); \
- uint##size##_t _copy = _old; \
- uint##size##_t _val = val; \
- _copy __op__ _val; \
- model_rmw_action_helper(addr, (uint64_t) _copy, atomic_index, position); \
- return _old; \
-})
+ ({ \
+ uint ## size ## _t _old = model_rmwr_action_helper(addr, atomic_index, position); \
+ uint ## size ## _t _copy = _old; \
+ uint ## size ## _t _val = val; \
+ _copy __op__ _val; \
+ model_rmw_action_helper(addr, (uint64_t) _copy, atomic_index, position); \
+ return _old; \
+ })
// cds atomic exchange
uint8_t cds_atomic_exchange8(void* addr, uint8_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( = , 8, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( =, 8, addr, val, atomic_index, position);
}
uint16_t cds_atomic_exchange16(void* addr, uint16_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( = , 16, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( =, 16, addr, val, atomic_index, position);
}
uint32_t cds_atomic_exchange32(void* addr, uint32_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( = , 32, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( =, 32, addr, val, atomic_index, position);
}
uint64_t cds_atomic_exchange64(void* addr, uint64_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( = , 64, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( =, 64, addr, val, atomic_index, position);
}
// cds atomic fetch add
uint8_t cds_atomic_fetch_add8(void* addr, uint8_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( += , 8, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( +=, 8, addr, val, atomic_index, position);
}
uint16_t cds_atomic_fetch_add16(void* addr, uint16_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( += , 16, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( +=, 16, addr, val, atomic_index, position);
}
uint32_t cds_atomic_fetch_add32(void* addr, uint32_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( += , 32, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( +=, 32, addr, val, atomic_index, position);
}
uint64_t cds_atomic_fetch_add64(void* addr, uint64_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( += , 64, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( +=, 64, addr, val, atomic_index, position);
}
// cds atomic fetch sub
uint8_t cds_atomic_fetch_sub8(void* addr, uint8_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( -= , 8, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( -=, 8, addr, val, atomic_index, position);
}
uint16_t cds_atomic_fetch_sub16(void* addr, uint16_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( -= , 16, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( -=, 16, addr, val, atomic_index, position);
}
uint32_t cds_atomic_fetch_sub32(void* addr, uint32_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( -= , 32, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( -=, 32, addr, val, atomic_index, position);
}
uint64_t cds_atomic_fetch_sub64(void* addr, uint64_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( -= , 64, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( -=, 64, addr, val, atomic_index, position);
}
// cds atomic fetch and
uint8_t cds_atomic_fetch_and8(void* addr, uint8_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( &= , 8, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( &=, 8, addr, val, atomic_index, position);
}
uint16_t cds_atomic_fetch_and16(void* addr, uint16_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( &= , 16, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( &=, 16, addr, val, atomic_index, position);
}
uint32_t cds_atomic_fetch_and32(void* addr, uint32_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( &= , 32, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( &=, 32, addr, val, atomic_index, position);
}
uint64_t cds_atomic_fetch_and64(void* addr, uint64_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( &= , 64, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( &=, 64, addr, val, atomic_index, position);
}
// cds atomic fetch or
uint8_t cds_atomic_fetch_or8(void* addr, uint8_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( |= , 8, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( |=, 8, addr, val, atomic_index, position);
}
uint16_t cds_atomic_fetch_or16(void* addr, uint16_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( |= , 16, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( |=, 16, addr, val, atomic_index, position);
}
uint32_t cds_atomic_fetch_or32(void* addr, uint32_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( |= , 32, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( |=, 32, addr, val, atomic_index, position);
}
uint64_t cds_atomic_fetch_or64(void* addr, uint64_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( |= , 64, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( |=, 64, addr, val, atomic_index, position);
}
// cds atomic fetch xor
uint8_t cds_atomic_fetch_xor8(void* addr, uint8_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( ^= , 8, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( ^=, 8, addr, val, atomic_index, position);
}
uint16_t cds_atomic_fetch_xor16(void* addr, uint16_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( ^= , 16, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( ^=, 16, addr, val, atomic_index, position);
}
uint32_t cds_atomic_fetch_xor32(void* addr, uint32_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( ^= , 32, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( ^=, 32, addr, val, atomic_index, position);
}
uint64_t cds_atomic_fetch_xor64(void* addr, uint64_t val, int atomic_index, const char * position) {
- _ATOMIC_RMW_( ^= , 64, addr, val, atomic_index, position);
+ _ATOMIC_RMW_( ^=, 64, addr, val, atomic_index, position);
}
// cds atomic compare and exchange
-// In order to accomodate the LLVM PASS, the return values are not true or false.
+// In order to accomodate the LLVM PASS, the return values are not true or false.
#define _ATOMIC_CMPSWP_WEAK_ _ATOMIC_CMPSWP_
#define _ATOMIC_CMPSWP_(size, addr, expected, desired, atomic_index, position) \
-({ \
- uint##size##_t _desired = desired; \
- uint##size##_t _expected = expected; \
- uint##size##_t _old = model_rmwrcas_action_helper(addr, atomic_index, position); \
- if (_old == _expected) { \
- model_rmw_action_helper(addr, (uint64_t) _desired, atomic_index, position); return _expected; } \
- else { \
- model_rmwc_action_helper(addr, atomic_index, position); _expected = _old; return _old; } \
-})
+ ({ \
+ uint ## size ## _t _desired = desired; \
+ uint ## size ## _t _expected = expected; \
+ uint ## size ## _t _old = model_rmwrcas_action_helper(addr, atomic_index, position); \
+ if (_old == _expected) { \
+ model_rmw_action_helper(addr, (uint64_t) _desired, atomic_index, position); return _expected; } \
+ else { \
+ model_rmwc_action_helper(addr, atomic_index, position); _expected = _old; return _old; } \
+ })
// atomic_compare_exchange version 1: the CmpOperand (corresponds to expected)
-// extracted from LLVM IR is an integer type.
+// extracted from LLVM IR is an integer type.
-uint8_t cds_atomic_compare_exchange8_v1(void* addr, uint8_t expected, uint8_t desired,
- int atomic_index_succ, int atomic_index_fail, const char *position )
+uint8_t cds_atomic_compare_exchange8_v1(void* addr, uint8_t expected, uint8_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position )
{
- _ATOMIC_CMPSWP_(8, addr, expected, desired,
- atomic_index_succ, position);
+ _ATOMIC_CMPSWP_(8, addr, expected, desired,
+ atomic_index_succ, position);
}
-uint16_t cds_atomic_compare_exchange16_v1(void* addr, uint16_t expected, uint16_t desired,
- int atomic_index_succ, int atomic_index_fail, const char *position)
+uint16_t cds_atomic_compare_exchange16_v1(void* addr, uint16_t expected, uint16_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
{
- _ATOMIC_CMPSWP_(16, addr, expected, desired,
- atomic_index_succ, position);
+ _ATOMIC_CMPSWP_(16, addr, expected, desired,
+ atomic_index_succ, position);
}
-uint32_t cds_atomic_compare_exchange32_v1(void* addr, uint32_t expected, uint32_t desired,
- int atomic_index_succ, int atomic_index_fail, const char *position)
+uint32_t cds_atomic_compare_exchange32_v1(void* addr, uint32_t expected, uint32_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
{
- _ATOMIC_CMPSWP_(32, addr, expected, desired,
- atomic_index_succ, position);
+ _ATOMIC_CMPSWP_(32, addr, expected, desired,
+ atomic_index_succ, position);
}
-uint64_t cds_atomic_compare_exchange64_v1(void* addr, uint64_t expected, uint64_t desired,
- int atomic_index_succ, int atomic_index_fail, const char *position)
+uint64_t cds_atomic_compare_exchange64_v1(void* addr, uint64_t expected, uint64_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
{
- _ATOMIC_CMPSWP_(64, addr, expected, desired,
- atomic_index_succ, position);
+ _ATOMIC_CMPSWP_(64, addr, expected, desired,
+ atomic_index_succ, position);
}
// atomic_compare_exchange version 2
-bool cds_atomic_compare_exchange8_v2(void* addr, uint8_t* expected, uint8_t desired,
- int atomic_index_succ, int atomic_index_fail, const char *position )
+bool cds_atomic_compare_exchange8_v2(void* addr, uint8_t* expected, uint8_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position )
{
uint8_t ret = cds_atomic_compare_exchange8_v1(addr, *expected,
- desired, atomic_index_succ, atomic_index_fail, position);
+ desired, atomic_index_succ, atomic_index_fail, position);
if (ret == *expected) return true;
- else return false;
+ else return false;
}
-bool cds_atomic_compare_exchange16_v2(void* addr, uint16_t* expected, uint16_t desired,
- int atomic_index_succ, int atomic_index_fail, const char *position)
+bool cds_atomic_compare_exchange16_v2(void* addr, uint16_t* expected, uint16_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
{
uint16_t ret = cds_atomic_compare_exchange16_v1(addr, *expected,
- desired, atomic_index_succ, atomic_index_fail, position);
+ desired, atomic_index_succ, atomic_index_fail, position);
if (ret == *expected) return true;
- else return false;
+ else return false;
}
-bool cds_atomic_compare_exchange32_v2(void* addr, uint32_t* expected, uint32_t desired,
- int atomic_index_succ, int atomic_index_fail, const char *position)
+bool cds_atomic_compare_exchange32_v2(void* addr, uint32_t* expected, uint32_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
{
uint32_t ret = cds_atomic_compare_exchange32_v1(addr, *expected,
- desired, atomic_index_succ, atomic_index_fail, position);
+ desired, atomic_index_succ, atomic_index_fail, position);
if (ret == *expected) return true;
- else return false;
+ else return false;
}
-bool cds_atomic_compare_exchange64_v2(void* addr, uint64_t* expected, uint64_t desired,
- int atomic_index_succ, int atomic_index_fail, const char *position)
+bool cds_atomic_compare_exchange64_v2(void* addr, uint64_t* expected, uint64_t desired,
+ int atomic_index_succ, int atomic_index_fail, const char *position)
{
uint64_t ret = cds_atomic_compare_exchange64_v1(addr, *expected,
- desired, atomic_index_succ, atomic_index_fail, position);
+ desired, atomic_index_succ, atomic_index_fail, position);
if (ret == *expected) return true;
- else return false;
+ else return false;
}
void cds_atomic_thread_fence(int atomic_index, const char * position) {
model->switch_to_master(
new ModelAction(ATOMIC_FENCE, position, orders[atomic_index], FENCE_LOCATION)
- );
+ );
}
/*
-#define _ATOMIC_CMPSWP_( __a__, __e__, __m__, __x__ ) \
+ #define _ATOMIC_CMPSWP_( __a__, __e__, __m__, __x__ ) \
({ volatile __typeof__((__a__)->__f__)* __p__ = & ((__a__)->__f__); \
__typeof__(__e__) __q__ = (__e__); \
__typeof__(__m__) __v__ = (__m__); \
else { model_rmwc_action((void *)__p__, __x__); *__q__ = __t__; __r__ = false;} \
__r__; })
-#define _ATOMIC_FENCE_( __x__ ) \
+ #define _ATOMIC_FENCE_( __x__ ) \
({ model_fence_action(__x__);})
-*/
+ */
/*
-#define _ATOMIC_MODIFY_( __a__, __o__, __m__, __x__ ) \
+ #define _ATOMIC_MODIFY_( __a__, __o__, __m__, __x__ ) \
({ volatile __typeof__((__a__)->__f__)* __p__ = & ((__a__)->__f__); \
__typeof__((__a__)->__f__) __old__=(__typeof__((__a__)->__f__)) model_rmwr_action((void *)__p__, __x__); \
__typeof__(__m__) __v__ = (__m__); \
__copy__ __o__ __v__; \
model_rmw_action((void *)__p__, __x__, (uint64_t) __copy__); \
__old__ = __old__; Silence clang (-Wunused-value) \
- })
-*/
+ })
+ */