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 33 extern ValueProfNode 34 VNodesStart __asm("section$start$__DATA$" INSTR_PROF_VNODES_SECT_NAME_STR); 35 COMPILER_RT_VISIBILITY 36 extern ValueProfNode 37 VNodesEnd __asm("section$end$__DATA$" INSTR_PROF_VNODES_SECT_NAME_STR); 38 39 COMPILER_RT_VISIBILITY __llvm_profile_begin_data(void)40const __llvm_profile_data *__llvm_profile_begin_data(void) { 41 return &DataStart; 42 } 43 COMPILER_RT_VISIBILITY __llvm_profile_end_data(void)44const __llvm_profile_data *__llvm_profile_end_data(void) { return &DataEnd; } 45 COMPILER_RT_VISIBILITY __llvm_profile_begin_names(void)46const char *__llvm_profile_begin_names(void) { return &NamesStart; } 47 COMPILER_RT_VISIBILITY __llvm_profile_end_names(void)48const char *__llvm_profile_end_names(void) { return &NamesEnd; } 49 COMPILER_RT_VISIBILITY __llvm_profile_begin_counters(void)50uint64_t *__llvm_profile_begin_counters(void) { return &CountersStart; } 51 COMPILER_RT_VISIBILITY __llvm_profile_end_counters(void)52uint64_t *__llvm_profile_end_counters(void) { return &CountersEnd; } 53 54 COMPILER_RT_VISIBILITY __llvm_profile_begin_vnodes(void)55ValueProfNode *__llvm_profile_begin_vnodes(void) { 56 return &VNodesStart; 57 } 58 COMPILER_RT_VISIBILITY __llvm_profile_end_vnodes(void)59ValueProfNode *__llvm_profile_end_vnodes(void) { return &VNodesEnd; } 60 61 COMPILER_RT_VISIBILITY ValueProfNode *CurrentVNode = &VNodesStart; 62 COMPILER_RT_VISIBILITY ValueProfNode *EndVNode = &VNodesEnd; 63 #endif 64