1 /*===- InstrProfilingPlatformDarwin.c - Profile data on Darwin ------------===*\ 2 |* 3 |* The LLVM Compiler Infrastructure 4 |* 5 |* This file is distributed under the University of Illinois Open Source 6 |* License. See LICENSE.TXT for details. 7 |* 8 \*===----------------------------------------------------------------------===*/ 9 10 #include "InstrProfiling.h" 11 12 #if defined(__APPLE__) 13 /* Use linker magic to find the bounds of the Data section. */ 14 COMPILER_RT_VISIBILITY 15 extern __llvm_profile_data 16 DataStart __asm("section$start$__DATA$" INSTR_PROF_DATA_SECT_NAME_STR); 17 COMPILER_RT_VISIBILITY 18 extern __llvm_profile_data 19 DataEnd __asm("section$end$__DATA$" INSTR_PROF_DATA_SECT_NAME_STR); 20 COMPILER_RT_VISIBILITY 21 extern char 22 NamesStart __asm("section$start$__DATA$" INSTR_PROF_NAME_SECT_NAME_STR); 23 COMPILER_RT_VISIBILITY 24 extern char NamesEnd __asm("section$end$__DATA$" INSTR_PROF_NAME_SECT_NAME_STR); 25 COMPILER_RT_VISIBILITY 26 extern uint64_t 27 CountersStart __asm("section$start$__DATA$" INSTR_PROF_CNTS_SECT_NAME_STR); 28 COMPILER_RT_VISIBILITY 29 extern uint64_t 30 CountersEnd __asm("section$end$__DATA$" INSTR_PROF_CNTS_SECT_NAME_STR); 31 32 COMPILER_RT_VISIBILITY __llvm_profile_begin_data(void)33const __llvm_profile_data *__llvm_profile_begin_data(void) { 34 return &DataStart; 35 } 36 COMPILER_RT_VISIBILITY __llvm_profile_end_data(void)37const __llvm_profile_data *__llvm_profile_end_data(void) { return &DataEnd; } 38 COMPILER_RT_VISIBILITY __llvm_profile_begin_names(void)39const char *__llvm_profile_begin_names(void) { return &NamesStart; } 40 COMPILER_RT_VISIBILITY __llvm_profile_end_names(void)41const char *__llvm_profile_end_names(void) { return &NamesEnd; } 42 COMPILER_RT_VISIBILITY __llvm_profile_begin_counters(void)43uint64_t *__llvm_profile_begin_counters(void) { return &CountersStart; } 44 COMPILER_RT_VISIBILITY __llvm_profile_end_counters(void)45uint64_t *__llvm_profile_end_counters(void) { return &CountersEnd; } 46 #endif 47