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 __attribute__((visibility("hidden"))) 15 extern __llvm_profile_data DataStart __asm("section$start$__DATA$__llvm_prf_data"); 16 __attribute__((visibility("hidden"))) 17 extern __llvm_profile_data DataEnd __asm("section$end$__DATA$__llvm_prf_data"); 18 __attribute__((visibility("hidden"))) 19 extern char NamesStart __asm("section$start$__DATA$__llvm_prf_names"); 20 __attribute__((visibility("hidden"))) 21 extern char NamesEnd __asm("section$end$__DATA$__llvm_prf_names"); 22 __attribute__((visibility("hidden"))) 23 extern uint64_t CountersStart __asm("section$start$__DATA$__llvm_prf_cnts"); 24 __attribute__((visibility("hidden"))) 25 extern uint64_t CountersEnd __asm("section$end$__DATA$__llvm_prf_cnts"); 26 27 __attribute__((visibility("hidden"))) 28 const __llvm_profile_data *__llvm_profile_data_begin(void) { 29 return &DataStart; 30 } 31 __attribute__((visibility("hidden"))) 32 const __llvm_profile_data *__llvm_profile_data_end(void) { 33 return &DataEnd; 34 } 35 __attribute__((visibility("hidden"))) 36 const char *__llvm_profile_names_begin(void) { return &NamesStart; } 37 __attribute__((visibility("hidden"))) 38 const char *__llvm_profile_names_end(void) { return &NamesEnd; } 39 __attribute__((visibility("hidden"))) 40 uint64_t *__llvm_profile_counters_begin(void) { return &CountersStart; } 41 __attribute__((visibility("hidden"))) 42 uint64_t *__llvm_profile_counters_end(void) { return &CountersEnd; } 43 #endif 44
