1292925Sdim/*===- InstrProfilingPlatformLinux.c - Profile data Linux platform ------===*\ 2292925Sdim|* 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 6292925Sdim|* 7292925Sdim\*===----------------------------------------------------------------------===*/ 8292925Sdim 9341825Sdim#if defined(__linux__) || defined(__FreeBSD__) || defined(__Fuchsia__) || \ 10344779Sdim (defined(__sun__) && defined(__svr4__)) || defined(__NetBSD__) 11292925Sdim 12292925Sdim#include <stdlib.h> 13292925Sdim 14327952Sdim#include "InstrProfiling.h" 15327952Sdim 16353358Sdim#define PROF_DATA_START INSTR_PROF_SECT_START(INSTR_PROF_DATA_COMMON) 17353358Sdim#define PROF_DATA_STOP INSTR_PROF_SECT_STOP(INSTR_PROF_DATA_COMMON) 18353358Sdim#define PROF_NAME_START INSTR_PROF_SECT_START(INSTR_PROF_NAME_COMMON) 19353358Sdim#define PROF_NAME_STOP INSTR_PROF_SECT_STOP(INSTR_PROF_NAME_COMMON) 20353358Sdim#define PROF_CNTS_START INSTR_PROF_SECT_START(INSTR_PROF_CNTS_COMMON) 21353358Sdim#define PROF_CNTS_STOP INSTR_PROF_SECT_STOP(INSTR_PROF_CNTS_COMMON) 22353358Sdim#define PROF_ORDERFILE_START INSTR_PROF_SECT_START(INSTR_PROF_ORDERFILE_COMMON) 23353358Sdim#define PROF_VNODES_START INSTR_PROF_SECT_START(INSTR_PROF_VNODES_COMMON) 24353358Sdim#define PROF_VNODES_STOP INSTR_PROF_SECT_STOP(INSTR_PROF_VNODES_COMMON) 25292925Sdim 26292925Sdim/* Declare section start and stop symbols for various sections 27292925Sdim * generated by compiler instrumentation. 28292925Sdim */ 29292925Sdimextern __llvm_profile_data PROF_DATA_START COMPILER_RT_VISIBILITY; 30292925Sdimextern __llvm_profile_data PROF_DATA_STOP COMPILER_RT_VISIBILITY; 31292925Sdimextern uint64_t PROF_CNTS_START COMPILER_RT_VISIBILITY; 32292925Sdimextern uint64_t PROF_CNTS_STOP COMPILER_RT_VISIBILITY; 33353358Sdimextern uint32_t PROF_ORDERFILE_START COMPILER_RT_VISIBILITY; 34292925Sdimextern char PROF_NAME_START COMPILER_RT_VISIBILITY; 35292925Sdimextern char PROF_NAME_STOP COMPILER_RT_VISIBILITY; 36309124Sdimextern ValueProfNode PROF_VNODES_START COMPILER_RT_VISIBILITY; 37309124Sdimextern ValueProfNode PROF_VNODES_STOP COMPILER_RT_VISIBILITY; 38292925Sdim 39292925Sdim/* Add dummy data to ensure the section is always created. */ 40292925Sdim__llvm_profile_data 41353358Sdim __prof_data_sect_data[0] COMPILER_RT_SECTION(INSTR_PROF_DATA_SECT_NAME); 42292925Sdimuint64_t 43353358Sdim __prof_cnts_sect_data[0] COMPILER_RT_SECTION(INSTR_PROF_CNTS_SECT_NAME); 44353358Sdimuint32_t 45353358Sdim __prof_orderfile_sect_data[0] COMPILER_RT_SECTION(INSTR_PROF_ORDERFILE_SECT_NAME); 46353358Sdimchar __prof_nms_sect_data[0] COMPILER_RT_SECTION(INSTR_PROF_NAME_SECT_NAME); 47353358SdimValueProfNode __prof_vnodes_sect_data[0] COMPILER_RT_SECTION(INSTR_PROF_VNODES_SECT_NAME); 48292925Sdim 49292925SdimCOMPILER_RT_VISIBILITY const __llvm_profile_data * 50292925Sdim__llvm_profile_begin_data(void) { 51292925Sdim return &PROF_DATA_START; 52292925Sdim} 53292925SdimCOMPILER_RT_VISIBILITY const __llvm_profile_data * 54292925Sdim__llvm_profile_end_data(void) { 55292925Sdim return &PROF_DATA_STOP; 56292925Sdim} 57292925SdimCOMPILER_RT_VISIBILITY const char *__llvm_profile_begin_names(void) { 58292925Sdim return &PROF_NAME_START; 59292925Sdim} 60292925SdimCOMPILER_RT_VISIBILITY const char *__llvm_profile_end_names(void) { 61292925Sdim return &PROF_NAME_STOP; 62292925Sdim} 63292925SdimCOMPILER_RT_VISIBILITY uint64_t *__llvm_profile_begin_counters(void) { 64292925Sdim return &PROF_CNTS_START; 65292925Sdim} 66292925SdimCOMPILER_RT_VISIBILITY uint64_t *__llvm_profile_end_counters(void) { 67292925Sdim return &PROF_CNTS_STOP; 68292925Sdim} 69353358SdimCOMPILER_RT_VISIBILITY uint32_t *__llvm_profile_begin_orderfile(void) { 70353358Sdim return &PROF_ORDERFILE_START; 71353358Sdim} 72309124Sdim 73309124SdimCOMPILER_RT_VISIBILITY ValueProfNode * 74309124Sdim__llvm_profile_begin_vnodes(void) { 75309124Sdim return &PROF_VNODES_START; 76309124Sdim} 77309124SdimCOMPILER_RT_VISIBILITY ValueProfNode *__llvm_profile_end_vnodes(void) { 78309124Sdim return &PROF_VNODES_STOP; 79309124Sdim} 80309124SdimCOMPILER_RT_VISIBILITY ValueProfNode *CurrentVNode = &PROF_VNODES_START; 81309124SdimCOMPILER_RT_VISIBILITY ValueProfNode *EndVNode = &PROF_VNODES_STOP; 82309124Sdim 83292925Sdim#endif 84