+#include <stdio.h>
+#include <string>
+
#include "model.h"
+#include "execution.h"
+#include "action.h"
+#include "history.h"
#include "cmodelint.h"
+#include "threads-model.h"
+
+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) {
- model->switch_to_master(new ModelAction(ATOMIC_READ, ord, obj));
- return thread_current()->get_return_value();
+ return model->switch_to_master(new ModelAction(ATOMIC_READ, ord, obj));
}
/** Performs a write action.*/
* a write.
*/
uint64_t model_rmwr_action(void *obj, memory_order ord) {
- model->switch_to_master(new ModelAction(ATOMIC_RMWR, ord, obj));
- return thread_current()->get_return_value();
+ 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));
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) {
+ return model->switch_to_master(
+ 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) {
+ 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) {
+ return (uint8_t) ( model->switch_to_master(
+ 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))
+ );
+}
+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))
+ );
+}
+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; \
+ })
+
+// 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);
+}
+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, uint32_t val, int atomic_index, const char * 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);
+}
+
+// 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);
+}
+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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, position) \
+ ({ \
+ uint ## size ## _t _desired = desired; \
+ uint ## size ## _t _expected = 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, position); _expected = _old; return _old; } \
+ })
+
+// atomic_compare_exchange version 1: the CmpOperand (corresponds to expected)
+// 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 )
+{
+ _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, const char * position) {
+ model->switch_to_master(
+ new ModelAction(ATOMIC_FENCE, position, orders[atomic_index], FENCE_LOCATION)
+ );
+}
+
+/*
+ #define _ATOMIC_CMPSWP_( __a__, __e__, __m__, __x__ ) \
+ ({ volatile __typeof__((__a__)->__f__)* __p__ = & ((__a__)->__f__); \
+ __typeof__(__e__) __q__ = (__e__); \
+ __typeof__(__m__) __v__ = (__m__); \
+ bool __r__; \
+ __typeof__((__a__)->__f__) __t__=(__typeof__((__a__)->__f__)) model_rmwr_action((void *)__p__, __x__); \
+ if (__t__ == * __q__ ) { \
+ model_rmw_action((void *)__p__, __x__, (uint64_t) __v__); __r__ = true; } \
+ else { model_rmwc_action((void *)__p__, __x__); *__q__ = __t__; __r__ = false;} \
+ __r__; })
+
+ #define _ATOMIC_FENCE_( __x__ ) \
+ ({ model_fence_action(__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__); \
+ __typeof__((__a__)->__f__) __copy__= __old__; \
+ __copy__ __o__ __v__; \
+ model_rmw_action((void *)__p__, __x__, (uint64_t) __copy__); \
+ __old__ = __old__; Silence clang (-Wunused-value) \
+ })
+ */
+
+void cds_func_entry(const char * funcName) {
+ if (!model) return;
+
+ Thread * th = thread_current();
+ uint32_t func_id;
+
+ ModelHistory *history = model->get_history();
+ if ( !history->getFuncMap()->contains(funcName) ) {
+ func_id = history->get_func_counter();
+ history->incr_func_counter();
+
+ history->getFuncMap()->put(funcName, func_id);
+ } else {
+ func_id = history->getFuncMap()->get(funcName);
+ }
+
+ history->enter_function(func_id, th->get_id());
+}
+
+void cds_func_exit(const char * funcName) {
+ if (!model) return;
+
+ Thread * th = thread_current();
+ uint32_t func_id;
+
+ ModelHistory *history = model->get_history();
+ func_id = history->getFuncMap()->get(funcName);
+
+ history->exit_function(func_id, th->get_id());
+}
projects / c11tester.git / blobdiff