/*! * \brief Register an instrumented function. * * Calls to this are emitted by clang with -fprofile-instr-generate. Such * calls are only required (and only emitted) on targets where we haven't * implemented linker magic to find the bounds of the sections. */ void __llvm_profile_register_function(void *Data_) { /* TODO: Only emit this function if we can't use linker magic. */ const __llvm_profile_data *Data = (__llvm_profile_data*)Data_; if (!DataFirst) { DataFirst = Data; DataLast = Data + 1; NamesFirst = Data->Name; NamesLast = Data->Name + Data->NameSize; CountersFirst = Data->Counters; CountersLast = Data->Counters + Data->NumCounters; return; } #define UPDATE_FIRST(First, New) \ First = New < First ? New : First UPDATE_FIRST(DataFirst, Data); UPDATE_FIRST(NamesFirst, Data->Name); UPDATE_FIRST(CountersFirst, Data->Counters); #undef UPDATE_FIRST #define UPDATE_LAST(Last, New) \ Last = New > Last ? New : Last UPDATE_LAST(DataLast, Data + 1); UPDATE_LAST(NamesLast, Data->Name + Data->NameSize); UPDATE_LAST(CountersLast, Data->Counters + Data->NumCounters); #undef UPDATE_LAST }
/*! * \brief Register an instrumented function. * * Calls to this are emitted by clang with -fprofile-instr-generate. Such * calls are only required (and only emitted) on targets where we haven't * implemented linker magic to find the bounds of the sections. */ COMPILER_RT_VISIBILITY void __llvm_profile_register_function(void *Data_) { /* TODO: Only emit this function if we can't use linker magic. */ const __llvm_profile_data *Data = (__llvm_profile_data *)Data_; if (!DataFirst) { DataFirst = Data; DataLast = Data + 1; NamesFirst = Data->NamePtr; NamesLast = (const char *)Data->NamePtr + Data->NameSize; CountersFirst = Data->CounterPtr; CountersLast = (uint64_t *)Data->CounterPtr + Data->NumCounters; return; } #define UPDATE_FIRST(First, New) First = New < First ? New : First UPDATE_FIRST(DataFirst, Data); UPDATE_FIRST(NamesFirst, (const char *)Data->NamePtr); UPDATE_FIRST(CountersFirst, (uint64_t *)Data->CounterPtr); #undef UPDATE_FIRST #define UPDATE_LAST(Last, New) Last = New > Last ? New : Last UPDATE_LAST(DataLast, Data + 1); UPDATE_LAST(NamesLast, (const char *)Data->NamePtr + Data->NameSize); UPDATE_LAST(CountersLast, (uint64_t *)Data->CounterPtr + Data->NumCounters); #undef UPDATE_LAST }