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      1      1.1  joerg /*===- InstrProfilingPlatformDarwin.c - Profile data on Darwin ------------===*\
      2      1.1  joerg |*
      3      1.1  joerg |*                     The LLVM Compiler Infrastructure
      4      1.1  joerg |*
      5      1.1  joerg |* This file is distributed under the University of Illinois Open Source
      6      1.1  joerg |* License. See LICENSE.TXT for details.
      7      1.1  joerg |*
      8      1.1  joerg \*===----------------------------------------------------------------------===*/
      9      1.1  joerg 
     10      1.1  joerg #include "InstrProfiling.h"
     11      1.1  joerg 
     12      1.1  joerg #if defined(__APPLE__)
     13      1.1  joerg /* Use linker magic to find the bounds of the Data section. */
     14  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     15  1.1.1.3  joerg extern __llvm_profile_data
     16  1.1.1.3  joerg     DataStart __asm("section$start$__DATA$" INSTR_PROF_DATA_SECT_NAME_STR);
     17  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     18  1.1.1.3  joerg extern __llvm_profile_data
     19  1.1.1.3  joerg     DataEnd __asm("section$end$__DATA$" INSTR_PROF_DATA_SECT_NAME_STR);
     20  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     21  1.1.1.3  joerg extern char
     22  1.1.1.3  joerg     NamesStart __asm("section$start$__DATA$" INSTR_PROF_NAME_SECT_NAME_STR);
     23  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     24  1.1.1.3  joerg extern char NamesEnd __asm("section$end$__DATA$" INSTR_PROF_NAME_SECT_NAME_STR);
     25  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     26  1.1.1.3  joerg extern uint64_t
     27  1.1.1.3  joerg     CountersStart __asm("section$start$__DATA$" INSTR_PROF_CNTS_SECT_NAME_STR);
     28  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     29  1.1.1.3  joerg extern uint64_t
     30  1.1.1.3  joerg     CountersEnd __asm("section$end$__DATA$" INSTR_PROF_CNTS_SECT_NAME_STR);
     31      1.1  joerg 
     32  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     33  1.1.1.3  joerg const __llvm_profile_data *__llvm_profile_begin_data(void) {
     34      1.1  joerg   return &DataStart;
     35      1.1  joerg }
     36  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     37  1.1.1.3  joerg const __llvm_profile_data *__llvm_profile_end_data(void) { return &DataEnd; }
     38  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     39  1.1.1.3  joerg const char *__llvm_profile_begin_names(void) { return &NamesStart; }
     40  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     41  1.1.1.3  joerg const char *__llvm_profile_end_names(void) { return &NamesEnd; }
     42  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     43  1.1.1.3  joerg uint64_t *__llvm_profile_begin_counters(void) { return &CountersStart; }
     44  1.1.1.3  joerg COMPILER_RT_VISIBILITY
     45  1.1.1.3  joerg uint64_t *__llvm_profile_end_counters(void) { return &CountersEnd; }
     46      1.1  joerg #endif
     47