#include "model.h"
#include "action.h"
#include "cmodelint.h"
+#include "snapshot-interface.h"
#include "threads-model.h"
memory_order orders[6] = {
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();
+ }
+}
+
/** 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));
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));
model->switch_to_master(new ModelAction(ATOMIC_FENCE, ord, FENCE_LOCATION));
}
-// --------------------- helper functions --------------------------------
-uint64_t model_rmwr_action_helper(void *obj, int atomic_index) {
- return model->switch_to_master(new ModelAction(ATOMIC_RMWR, orders[atomic_index], obj));
+/* --- 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)
+ );
}
-void model_rmw_action_helper(void *obj, int atomic_index, uint64_t val) {
- model->switch_to_master(new ModelAction(ATOMIC_RMW, orders[atomic_index], obj, val));
+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_rmwc_action_helper(void *obj, int atomic_index) {
- model->switch_to_master(new ModelAction(ATOMIC_RMWC, 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_fence_action_helper(int atomic_index) {
- model->switch_to_master(new ModelAction(ATOMIC_FENCE, orders[atomic_index], FENCE_LOCATION));
+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 loads
-uint8_t cds_atomic_load8(void * obj, int atomic_index) {
- return (uint8_t) ( model->switch_to_master(new ModelAction(ATOMIC_READ, orders[atomic_index], obj)) );
+// cds atomic inits
+void cds_atomic_init8(void * obj, uint8_t val, const char * position) {
+ ensureModel();
+ model->switch_to_master(
+ new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)
+ );
}
-uint16_t cds_atomic_load16(void * obj, int atomic_index) {
- return (uint16_t) ( model->switch_to_master(new ModelAction(ATOMIC_READ, orders[atomic_index], obj)) );
+void cds_atomic_init16(void * obj, uint16_t val, const char * position) {
+ ensureModel();
+ model->switch_to_master(
+ new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)
+ );
}
-uint32_t cds_atomic_load32(void * obj, int atomic_index) {
- return (uint32_t) ( model->switch_to_master(new ModelAction(ATOMIC_READ, orders[atomic_index], obj)) );
+void cds_atomic_init32(void * obj, uint32_t val, const char * position) {
+ ensureModel();
+ model->switch_to_master(
+ new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, (uint64_t) val)
+ );
}
-uint64_t cds_atomic_load64(void * obj, int atomic_index) {
- return model->switch_to_master(new ModelAction(ATOMIC_READ, orders[atomic_index], obj));
+void cds_atomic_init64(void * obj, uint64_t val, const char * position) {
+ ensureModel();
+ model->switch_to_master(
+ new ModelAction(ATOMIC_INIT, position, memory_order_relaxed, obj, val)
+ );
}
-// cds atomic stores
-void cds_atomic_store8(void * obj, int atomic_index, uint8_t val) {
- model->switch_to_master(new ModelAction(ATOMIC_WRITE, orders[atomic_index], obj, (uint64_t) val));
+
+// cds atomic loads
+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))
+ );
}
-void cds_atomic_store16(void * obj, int atomic_index, uint16_t val) {
- model->switch_to_master(new ModelAction(ATOMIC_WRITE, orders[atomic_index], obj, (uint64_t) val));
+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))
+ );
}
-void cds_atomic_store32(void * obj, int atomic_index, uint32_t val) {
- model->switch_to_master(new ModelAction(ATOMIC_WRITE, orders[atomic_index], obj, (uint64_t) val));
+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))
+ );
}
-void cds_atomic_store64(void * obj, int atomic_index, uint64_t val) {
- model->switch_to_master(new ModelAction(ATOMIC_WRITE, orders[atomic_index], obj, val));
+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)
+ );
}
-/*
- #define _ATOMIC_RMW_(__op__, size, addr, atomic_index, val ) \
- ({ \
- uint##size##_t _old = model_rmwr_action_helper(addr, atomic_index); \
- uint##size##_t _copy = _old; \
- _copy __op__ ( uint##size##_t ) _val; \
- model_rmw_action_helper(addr, atomic_index, (uint64_t) _copy); \
- return _old; \
- })*/
-
-#define _ATOMIC_RMW_(__op__, size, addr, atomic_index, val ) \
+// cds atomic stores
+void cds_atomic_store8(void * obj, uint8_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)
+ );
+}
+void cds_atomic_store16(void * obj, uint16_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)
+ );
+}
+void cds_atomic_store32(void * obj, uint32_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)
+ );
+}
+void cds_atomic_store64(void * obj, uint64_t val, int atomic_index, const char * position) {
+ ensureModel();
+ 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); \
+ 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, atomic_index, (uint64_t) _copy); \
+ model_rmw_action_helper(addr, (uint64_t) _copy, atomic_index, position); \
return _old; \
})
// cds atomic exchange
-uint8_t cds_atomic_exchange8(void* addr, int atomic_index, uint8_t val) {
- _ATOMIC_RMW_( =, 8, addr, atomic_index, val);
+uint8_t cds_atomic_exchange8(void* addr, uint8_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( =, 8, addr, val, atomic_index, position);
}
-uint16_t cds_atomic_exchange16(void* addr, int atomic_index, uint16_t val) {
- _ATOMIC_RMW_( =, 16, addr, atomic_index, val);
+uint16_t cds_atomic_exchange16(void* addr, uint16_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( =, 16, addr, val, atomic_index, position);
}
-uint32_t cds_atomic_exchange32(void* addr, int atomic_index, uint32_t val) {
- _ATOMIC_RMW_( =, 32, addr, atomic_index, val);
+uint32_t cds_atomic_exchange32(void* addr, uint32_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( =, 32, addr, val, atomic_index, position);
}
-uint64_t cds_atomic_exchange64(void* addr, int atomic_index, uint64_t val) {
- _ATOMIC_RMW_( =, 64, addr, atomic_index, val);
+uint64_t cds_atomic_exchange64(void* addr, uint64_t val, int atomic_index, const char * position) {
+ _ATOMIC_RMW_( =, 64, addr, val, atomic_index, position);
}
// cds atomic fetch add
-uint8_t cds_atomic_fetch_add8(void* addr, int atomic_index, uint8_t val) {
- _ATOMIC_RMW_( +=, 8, addr, atomic_index, val);
+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);
}
-uint16_t cds_atomic_fetch_add16(void* addr, int atomic_index, uint16_t val) {
- _ATOMIC_RMW_( +=, 16, addr, atomic_index, val);
+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);
}
-uint32_t cds_atomic_fetch_add32(void* addr, int atomic_index, uint32_t val) {
- _ATOMIC_RMW_( +=, 32, addr, atomic_index, val);
+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);
}
-uint64_t cds_atomic_fetch_add64(void* addr, int atomic_index, uint64_t val) {
- _ATOMIC_RMW_( +=, 64, addr, atomic_index, val);
+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);
}
// cds atomic fetch sub
-uint8_t cds_atomic_fetch_sub8(void* addr, int atomic_index, uint8_t val) {
- _ATOMIC_RMW_( -=, 8, addr, atomic_index, val);
+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);
}
-uint16_t cds_atomic_fetch_sub16(void* addr, int atomic_index, uint16_t val) {
- _ATOMIC_RMW_( -=, 16, addr, atomic_index, val);
+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);
}
-uint32_t cds_atomic_fetch_sub32(void* addr, int atomic_index, uint32_t val) {
- _ATOMIC_RMW_( -=, 32, addr, atomic_index, val);
+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);
}
-uint64_t cds_atomic_fetch_sub64(void* addr, int atomic_index, uint64_t val) {
- _ATOMIC_RMW_( -=, 64, addr, atomic_index, val);
+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);
}
// cds atomic fetch and
-uint8_t cds_atomic_fetch_and8(void* addr, int atomic_index, uint8_t val) {
- _ATOMIC_RMW_( &=, 8, addr, atomic_index, val);
+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);
}
-uint16_t cds_atomic_fetch_and16(void* addr, int atomic_index, uint16_t val) {
- _ATOMIC_RMW_( &=, 16, addr, atomic_index, val);
+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);
}
-uint32_t cds_atomic_fetch_and32(void* addr, int atomic_index, uint32_t val) {
- _ATOMIC_RMW_( &=, 32, addr, atomic_index, val);
+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);
}
-uint64_t cds_atomic_fetch_and64(void* addr, int atomic_index, uint64_t val) {
- _ATOMIC_RMW_( &=, 64, addr, atomic_index, val);
+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);
}
// cds atomic fetch or
-uint8_t cds_atomic_fetch_or8(void* addr, int atomic_index, uint8_t val) {
- _ATOMIC_RMW_( |=, 8, addr, atomic_index, val);
+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);
}
-uint16_t cds_atomic_fetch_or16(void* addr, int atomic_index, uint16_t val) {
- _ATOMIC_RMW_( |=, 16, addr, atomic_index, val);
+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);
}
-uint32_t cds_atomic_fetch_or32(void* addr, int atomic_index, uint32_t val) {
- _ATOMIC_RMW_( |=, 32, addr, atomic_index, val);
+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);
}
-uint64_t cds_atomic_fetch_or64(void* addr, int atomic_index, uint64_t val) {
- _ATOMIC_RMW_( |=, 64, addr, atomic_index, val);
+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);
}
// cds atomic fetch xor
-uint8_t cds_atomic_fetch_xor8(void* addr, int atomic_index, uint8_t val) {
- _ATOMIC_RMW_( ^=, 8, addr, atomic_index, val);
+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);
}
-uint16_t cds_atomic_fetch_xor16(void* addr, int atomic_index, uint16_t val) {
- _ATOMIC_RMW_( ^=, 16, addr, atomic_index, val);
+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);
}
-uint32_t cds_atomic_fetch_xor32(void* addr, int atomic_index, uint32_t val) {
- _ATOMIC_RMW_( ^=, 32, addr, atomic_index, val);
+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);
}
-uint64_t cds_atomic_fetch_xor64(void* addr, int atomic_index, uint64_t val) {
- _ATOMIC_RMW_( ^=, 64, addr, atomic_index, val);
+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);
}
// cds atomic compare and exchange
// 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) \
+#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_rmwr_action_helper(addr, atomic_index); \
- if (_old == _expected ) { \
- model_rmw_action_helper(addr, atomic_index, (uint64_t) _desired ); return _expected; } \
+ uint ## size ## _t _old = model_rmwrcas_action_helper(addr, atomic_index, _expected, sizeof(_expected), 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); _expected = _old; return _old; } \
+ model_rmwc_action_helper(addr, atomic_index, position); _expected = _old; return _old; } \
})
-// expected is supposed to be a pointer to an address, but the CmpOperand
+// atomic_compare_exchange version 1: the CmpOperand (corresponds to expected)
// extracted from LLVM IR is an integer type.
-uint8_t cds_atomic_compare_exchange8(void* addr, uint8_t expected,
- uint8_t desired, int atomic_index_succ, int atomic_index_fail ) {
- _ATOMIC_CMPSWP_(8, addr, expected, desired, atomic_index_succ );
-}
-uint16_t cds_atomic_compare_exchange16(void* addr, uint16_t expected,
- uint16_t desired, int atomic_index_succ, int atomic_index_fail ) {
- _ATOMIC_CMPSWP_(16, addr, expected, desired, atomic_index_succ );
-}
-uint32_t cds_atomic_compare_exchange32(void* addr, uint32_t expected,
- uint32_t desired, int atomic_index_succ, int atomic_index_fail ) {
- _ATOMIC_CMPSWP_(32, addr, expected, desired, atomic_index_succ );
-}
-uint64_t cds_atomic_compare_exchange64(void* addr, uint64_t expected,
- uint64_t desired, int atomic_index_succ, int atomic_index_fail ) {
- _ATOMIC_CMPSWP_(64, addr, expected, desired, atomic_index_succ );
+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);
+}
+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);
+}
+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);
+}
+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_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 )
+{
+ uint8_t ret = cds_atomic_compare_exchange8_v1(addr, *expected,
+ desired, atomic_index_succ, atomic_index_fail, position);
+ if (ret == *expected) return true;
+ 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)
+{
+ uint16_t ret = cds_atomic_compare_exchange16_v1(addr, *expected,
+ desired, atomic_index_succ, atomic_index_fail, position);
+ if (ret == *expected) return true;
+ 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)
+{
+ uint32_t ret = cds_atomic_compare_exchange32_v1(addr, *expected,
+ desired, atomic_index_succ, atomic_index_fail, position);
+ if (ret == *expected) return true;
+ 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)
+{
+ uint64_t ret = cds_atomic_compare_exchange64_v1(addr, *expected,
+ desired, atomic_index_succ, atomic_index_fail, position);
+ if (ret == *expected) return true;
+ else return false;
}
+
// cds atomic thread fence
-void cds_atomic_thread_fence(int atomic_index) {
- model->switch_to_master(new ModelAction(ATOMIC_FENCE, orders[atomic_index], FENCE_LOCATION));
+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)
+ );
}
/*
projects / c11tester.git / blobdiff