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[PGO] Unify section name, section symbol definitions (Darwin) 

Replace hard-coded references to names to key section and section
 symbols with common macro definitions.

llvm-svn: 253907
This commit is contained in:
Xinliang David Li 2015-11-23 19:48:25 +00:00
parent afd6ce4d29
commit d200b27f08
1 changed files with 10 additions and 6 deletions
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16
compiler-rt/lib/profile/InstrProfilingPlatformDarwin.c
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@ -13,17 +13,21 @@
/* Use linker magic to find the bounds of the Data section. */
LLVM_LIBRARY_VISIBILITY
extern __llvm_profile_data
DataStart __asm("section$start$__DATA$__llvm_prf_data");
DataStart __asm("section$start$__DATA$" INSTR_PROF_DATA_SECT_NAME_STR);
LLVM_LIBRARY_VISIBILITY
extern __llvm_profile_data DataEnd __asm("section$end$__DATA$__llvm_prf_data");
extern __llvm_profile_data
DataEnd __asm("section$end$__DATA$" INSTR_PROF_DATA_SECT_NAME_STR);
LLVM_LIBRARY_VISIBILITY
extern char NamesStart __asm("section$start$__DATA$__llvm_prf_names");
extern char
NamesStart __asm("section$start$__DATA$" INSTR_PROF_NAME_SECT_NAME_STR);
LLVM_LIBRARY_VISIBILITY
extern char NamesEnd __asm("section$end$__DATA$__llvm_prf_names");
extern char NamesEnd __asm("section$end$__DATA$" INSTR_PROF_NAME_SECT_NAME_STR);
LLVM_LIBRARY_VISIBILITY
extern uint64_t CountersStart __asm("section$start$__DATA$__llvm_prf_cnts");
extern uint64_t
CountersStart __asm("section$start$__DATA$" INSTR_PROF_CNTS_SECT_NAME_STR);
LLVM_LIBRARY_VISIBILITY
extern uint64_t CountersEnd __asm("section$end$__DATA$__llvm_prf_cnts");
extern uint64_t
CountersEnd __asm("section$end$__DATA$" INSTR_PROF_CNTS_SECT_NAME_STR);
LLVM_LIBRARY_VISIBILITY
const __llvm_profile_data *__llvm_profile_begin_data(void) {