1276789Sdim/*===- InstrProfilingPlatformOther.c - Profile data default platform ------===*\ 2276789Sdim|* 3353358Sdim|* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4353358Sdim|* See https://llvm.org/LICENSE.txt for license information. 5353358Sdim|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6276789Sdim|* 7276789Sdim\*===----------------------------------------------------------------------===*/ 8276789Sdim 9353358Sdim#if !defined(__APPLE__) && !defined(__linux__) && !defined(__FreeBSD__) && \ 10353358Sdim !(defined(__sun__) && defined(__svr4__)) && !defined(__NetBSD__) && \ 11353358Sdim !defined(_WIN32) 12276789Sdim 13276789Sdim#include <stdlib.h> 14353358Sdim#include <stdio.h> 15276789Sdim 16327952Sdim#include "InstrProfiling.h" 17327952Sdim 18276789Sdimstatic const __llvm_profile_data *DataFirst = NULL; 19276789Sdimstatic const __llvm_profile_data *DataLast = NULL; 20276789Sdimstatic const char *NamesFirst = NULL; 21276789Sdimstatic const char *NamesLast = NULL; 22276789Sdimstatic uint64_t *CountersFirst = NULL; 23276789Sdimstatic uint64_t *CountersLast = NULL; 24353358Sdimstatic uint32_t *OrderFileFirst = NULL; 25276789Sdim 26309124Sdimstatic const void *getMinAddr(const void *A1, const void *A2) { 27309124Sdim return A1 < A2 ? A1 : A2; 28309124Sdim} 29309124Sdim 30309124Sdimstatic const void *getMaxAddr(const void *A1, const void *A2) { 31309124Sdim return A1 > A2 ? A1 : A2; 32309124Sdim} 33309124Sdim 34276789Sdim/*! 35276789Sdim * \brief Register an instrumented function. 36276789Sdim * 37276789Sdim * Calls to this are emitted by clang with -fprofile-instr-generate. Such 38276789Sdim * calls are only required (and only emitted) on targets where we haven't 39276789Sdim * implemented linker magic to find the bounds of the sections. 40276789Sdim */ 41296417SdimCOMPILER_RT_VISIBILITY 42276789Sdimvoid __llvm_profile_register_function(void *Data_) { 43276789Sdim /* TODO: Only emit this function if we can't use linker magic. */ 44296417Sdim const __llvm_profile_data *Data = (__llvm_profile_data *)Data_; 45276789Sdim if (!DataFirst) { 46276789Sdim DataFirst = Data; 47276789Sdim DataLast = Data + 1; 48296417Sdim CountersFirst = Data->CounterPtr; 49296417Sdim CountersLast = (uint64_t *)Data->CounterPtr + Data->NumCounters; 50276789Sdim return; 51276789Sdim } 52276789Sdim 53309124Sdim DataFirst = (const __llvm_profile_data *)getMinAddr(DataFirst, Data); 54309124Sdim CountersFirst = (uint64_t *)getMinAddr(CountersFirst, Data->CounterPtr); 55276789Sdim 56309124Sdim DataLast = (const __llvm_profile_data *)getMaxAddr(DataLast, Data + 1); 57309124Sdim CountersLast = (uint64_t *)getMaxAddr( 58309124Sdim CountersLast, (uint64_t *)Data->CounterPtr + Data->NumCounters); 59276789Sdim} 60276789Sdim 61296417SdimCOMPILER_RT_VISIBILITY 62309124Sdimvoid __llvm_profile_register_names_function(void *NamesStart, 63309124Sdim uint64_t NamesSize) { 64309124Sdim if (!NamesFirst) { 65309124Sdim NamesFirst = (const char *)NamesStart; 66309124Sdim NamesLast = (const char *)NamesStart + NamesSize; 67309124Sdim return; 68309124Sdim } 69309124Sdim NamesFirst = (const char *)getMinAddr(NamesFirst, NamesStart); 70309124Sdim NamesLast = 71309124Sdim (const char *)getMaxAddr(NamesLast, (const char *)NamesStart + NamesSize); 72309124Sdim} 73309124Sdim 74309124SdimCOMPILER_RT_VISIBILITY 75296417Sdimconst __llvm_profile_data *__llvm_profile_begin_data(void) { return DataFirst; } 76296417SdimCOMPILER_RT_VISIBILITY 77296417Sdimconst __llvm_profile_data *__llvm_profile_end_data(void) { return DataLast; } 78296417SdimCOMPILER_RT_VISIBILITY 79276789Sdimconst char *__llvm_profile_begin_names(void) { return NamesFirst; } 80296417SdimCOMPILER_RT_VISIBILITY 81276789Sdimconst char *__llvm_profile_end_names(void) { return NamesLast; } 82296417SdimCOMPILER_RT_VISIBILITY 83276789Sdimuint64_t *__llvm_profile_begin_counters(void) { return CountersFirst; } 84296417SdimCOMPILER_RT_VISIBILITY 85276789Sdimuint64_t *__llvm_profile_end_counters(void) { return CountersLast; } 86353358Sdim/* TODO: correctly set up OrderFileFirst. */ 87353358SdimCOMPILER_RT_VISIBILITY 88353358Sdimuint32_t *__llvm_profile_begin_orderfile(void) { return OrderFileFirst; } 89309124Sdim 90309124SdimCOMPILER_RT_VISIBILITY 91309124SdimValueProfNode *__llvm_profile_begin_vnodes(void) { 92309124Sdim return 0; 93309124Sdim} 94309124SdimCOMPILER_RT_VISIBILITY 95309124SdimValueProfNode *__llvm_profile_end_vnodes(void) { return 0; } 96309124Sdim 97309124SdimCOMPILER_RT_VISIBILITY ValueProfNode *CurrentVNode = 0; 98309124SdimCOMPILER_RT_VISIBILITY ValueProfNode *EndVNode = 0; 99309124Sdim 100276789Sdim#endif 101