X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=cmodelint.cc;h=0b9668d16a56c96f20322205e4a7a4cdb599fca4;hp=c42ffe4187b1fdc2a02a467c4de19296f1c5a2ad;hb=25d73096cfc14c655f94b01bb235cc5efd1d5696;hpb=7db53a974507e129e6b32980c97f9759d1390711 diff --git a/cmodelint.cc b/cmodelint.cc index c42ffe41..0b9668d1 100644 --- a/cmodelint.cc +++ b/cmodelint.cc @@ -8,10 +8,11 @@ #include "cmodelint.h" #include "snapshot-interface.h" #include "threads-model.h" +#include "datarace.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 + memory_order_release, memory_order_acq_rel, memory_order_seq_cst, }; static void ensureModel() { @@ -22,135 +23,108 @@ static void ensureModel() { } } -/** 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)); + 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)); + 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)); + 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)); + 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_thread(new ModelAction(ATOMIC_READ, position, memory_order_volatile_load, obj)); \ + } + +VOLATILELOAD(8) +VOLATILELOAD(16) +VOLATILELOAD(32) +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_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_id(); \ + for(int i=0;i < size / 8;i++) { \ + atomraceCheckWrite(tid, (void *)(((char *)obj)+i)); \ + } \ + } + +VOLATILESTORE(8) +VOLATILESTORE(16) +VOLATILESTORE(32) +VOLATILESTORE(64) + // 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)); -} -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)); -} -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)); -} -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)); -} +#define CDSATOMICINT(size) \ + void cds_atomic_init ## size (void * obj, uint ## size ## _t val, const char * position) { \ + ensureModel(); \ + 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_id(); \ + for(int i=0;i < size / 8;i++) { \ + atomraceCheckWrite(tid, (void *)(((char *)obj)+i)); \ + } \ + } +CDSATOMICINT(8) +CDSATOMICINT(16) +CDSATOMICINT(32) +CDSATOMICINT(64) // cds atomic loads -uint8_t cds_atomic_load8(void * obj, int atomic_index, const char * position) { - ensureModel(); - 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) { - ensureModel(); - 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) { - ensureModel(); - 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) { - ensureModel(); - return model->switch_to_master( - new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj)); -} +#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_thread( \ + new ModelAction(ATOMIC_READ, position, orders[atomic_index], obj)); \ + thread_id_t tid = thread_current_id(); \ + for(int i=0;i < size / 8;i++) { \ + atomraceCheckRead(tid, (void *)(((char *)obj)+i)); \ + } \ + return val; \ + } + +CDSATOMICLOAD(8) +CDSATOMICLOAD(16) +CDSATOMICLOAD(32) +CDSATOMICLOAD(64) // 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, (uint64_t) val)); -} +#define CDSATOMICSTORE(size) \ + void cds_atomic_store ## size(void * obj, uint ## size ## _t val, int atomic_index, const char * position) { \ + ensureModel(); \ + 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_id(); \ + for(int i=0;i < size / 8;i++) { \ + atomraceCheckWrite(tid, (void *)(((char *)obj)+i)); \ + } \ + } + +CDSATOMICSTORE(8) +CDSATOMICSTORE(16) +CDSATOMICSTORE(32) +CDSATOMICSTORE(64) + #define _ATOMIC_RMW_(__op__, size, addr, val, atomic_index, position) \ ({ \ @@ -159,92 +133,80 @@ void cds_atomic_store64(void * obj, uint64_t val, int atomic_index, const char * uint ## size ## _t _val = val; \ _copy __op__ _val; \ model_rmw_action_helper(addr, (uint64_t) _copy, atomic_index, position); \ - return _old; \ + *((volatile uint ## size ## _t *)addr) = _copy; \ + 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)); \ + } \ + 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); -} +#define CDSATOMICEXCHANGE(size) \ + uint ## size ## _t cds_atomic_exchange ## size(void* addr, uint ## size ## _t val, int atomic_index, const char * position) { \ + _ATOMIC_RMW_( =, size, addr, val, atomic_index, position); \ + } + +CDSATOMICEXCHANGE(8) +CDSATOMICEXCHANGE(16) +CDSATOMICEXCHANGE(32) +CDSATOMICEXCHANGE(64) // 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); -} +#define CDSATOMICADD(size) \ + uint ## size ## _t cds_atomic_fetch_add ## size(void* addr, uint ## size ## _t val, int atomic_index, const char * position) { \ + _ATOMIC_RMW_( +=, size, addr, val, atomic_index, position); \ + } + +CDSATOMICADD(8) +CDSATOMICADD(16) +CDSATOMICADD(32) +CDSATOMICADD(64) // 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); -} +#define CDSATOMICSUB(size) \ + uint ## size ## _t cds_atomic_fetch_sub ## size(void* addr, uint ## size ## _t val, int atomic_index, const char * position) { \ + _ATOMIC_RMW_( -=, size, addr, val, atomic_index, position); \ + } + +CDSATOMICSUB(8) +CDSATOMICSUB(16) +CDSATOMICSUB(32) +CDSATOMICSUB(64) // 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); -} +#define CDSATOMICAND(size) \ + uint ## size ## _t cds_atomic_fetch_and ## size(void* addr, uint ## size ## _t val, int atomic_index, const char * position) { \ + _ATOMIC_RMW_( &=, size, addr, val, atomic_index, position); \ + } + +CDSATOMICAND(8) +CDSATOMICAND(16) +CDSATOMICAND(32) +CDSATOMICAND(64) // 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); -} +#define CDSATOMICOR(size) \ + uint ## size ## _t cds_atomic_fetch_or ## size(void* addr, uint ## size ## _t val, int atomic_index, const char * position) { \ + _ATOMIC_RMW_( |=, size, addr, val, atomic_index, position); \ + } + +CDSATOMICOR(8) +CDSATOMICOR(16) +CDSATOMICOR(32) +CDSATOMICOR(64) // 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); -} +#define CDSATOMICXOR(size) \ + uint ## size ## _t cds_atomic_fetch_xor ## size(void* addr, uint ## size ## _t val, int atomic_index, const char * position) { \ + _ATOMIC_RMW_( ^=, size, addr, val, atomic_index, position); \ + } + +CDSATOMICXOR(8) +CDSATOMICXOR(16) +CDSATOMICXOR(32) +CDSATOMICXOR(64) // cds atomic compare and exchange // In order to accomodate the LLVM PASS, the return values are not true or false. @@ -256,78 +218,45 @@ uint64_t cds_atomic_fetch_xor64(void* addr, uint64_t val, int atomic_index, cons 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; } \ + model_rmw_action_helper(addr, (uint64_t) _desired, atomic_index, position); \ + *((volatile uint ## size ## _t *)addr) = desired; \ + thread_id_t tid = thread_current_id(); \ + for(int i=0;i < size / 8;i++) { \ + recordWrite(tid, (void *)(((char *)addr)+i)); \ + } \ + 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. +#define CDSATOMICCASV1(size) \ + uint ## size ## _t cds_atomic_compare_exchange ## size ## _v1(void* addr, uint ## size ## _t expected, uint ## size ## _t desired, int atomic_index_succ, int atomic_index_fail, const char *position) { \ + _ATOMIC_CMPSWP_(size, addr, expected, desired, atomic_index_succ, 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); -} -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); -} +CDSATOMICCASV1(8) +CDSATOMICCASV1(16) +CDSATOMICCASV1(32) +CDSATOMICCASV1(64) // 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; -} +#define CDSATOMICCASV2(size) \ + bool cds_atomic_compare_exchange ## size ## _v2(void* addr, uint ## size ## _t* expected, uint ## size ## _t desired, int atomic_index_succ, int atomic_index_fail, const char *position) { \ + uint ## size ## _t ret = cds_atomic_compare_exchange ## size ## _v1(addr, *expected, desired, atomic_index_succ, atomic_index_fail, position); \ + if (ret == *expected) {return true;} else {return false;} \ + } +CDSATOMICCASV2(8) +CDSATOMICCASV2(16) +CDSATOMICCASV2(32) +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) ); } @@ -362,40 +291,49 @@ void cds_atomic_thread_fence(int atomic_index, const char * position) { */ void cds_func_entry(const char * funcName) { - if (!model) return; - /* - Thread * th = thread_current(); +#ifdef NEWFUZZER + ensureModel(); + thread_id_t tid = thread_current_id(); uint32_t func_id; ModelHistory *history = model->get_history(); if ( !history->getFuncMap()->contains(funcName) ) { - /* add func id to func map */ + // add func id to func map func_id = history->get_func_counter(); history->incr_func_counter(); history->getFuncMap()->put(funcName, func_id); - /* add func id to reverse func map */ + // add func id to reverse func map ModelVector * func_map_rev = history->getFuncMapRev(); - if ( func_map_rev->size() <= func_id ) - func_map_rev->resize( func_id + 1 ); + if ( func_map_rev->size() <= func_id ) + func_map_rev->resize( func_id + 1 ); + func_map_rev->at(func_id) = funcName; } else { 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) { - if (!model) return; - /* - Thread * th = thread_current(); +#ifdef NEWFUZZER + ensureModel(); + thread_id_t tid = thread_current_id(); uint32_t func_id; ModelHistory *history = model->get_history(); func_id = history->getFuncMap()->get(funcName); +/* + * func_id not found; this could happen in the case where a function calls cds_func_entry + * when the model has been defined yet, but then an atomic inside the function initializes + * the model. And then cds_func_exit is called upon the function exiting. + * + */ + if (func_id == 0) + return; - history->exit_function(func_id, th->get_id()); - */ + history->exit_function(func_id, tid); +#endif }