forked from OSchip/llvm-project
60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/*===- InstrProfilingPlatformLinux.c - Profile data Linux platform ------===*\
|
|
|*
|
|
|* The LLVM Compiler Infrastructure
|
|
|*
|
|
|* This file is distributed under the University of Illinois Open Source
|
|
|* License. See LICENSE.TXT for details.
|
|
|*
|
|
\*===----------------------------------------------------------------------===*/
|
|
|
|
#include "InstrProfiling.h"
|
|
|
|
#if defined(__linux__) || defined(__FreeBSD__)
|
|
#include <stdlib.h>
|
|
|
|
#define PROF_DATA_START INSTR_PROF_SECT_START(INSTR_PROF_DATA_SECT_NAME)
|
|
#define PROF_DATA_STOP INSTR_PROF_SECT_STOP(INSTR_PROF_DATA_SECT_NAME)
|
|
#define PROF_NAME_START INSTR_PROF_SECT_START(INSTR_PROF_NAME_SECT_NAME)
|
|
#define PROF_NAME_STOP INSTR_PROF_SECT_STOP(INSTR_PROF_NAME_SECT_NAME)
|
|
#define PROF_CNTS_START INSTR_PROF_SECT_START(INSTR_PROF_CNTS_SECT_NAME)
|
|
#define PROF_CNTS_STOP INSTR_PROF_SECT_STOP(INSTR_PROF_CNTS_SECT_NAME)
|
|
|
|
/* Declare section start and stop symbols for various sections
|
|
* generated by compiler instrumentation.
|
|
*/
|
|
extern __llvm_profile_data PROF_DATA_START COMPILER_RT_VISIBILITY;
|
|
extern __llvm_profile_data PROF_DATA_STOP COMPILER_RT_VISIBILITY;
|
|
extern uint64_t PROF_CNTS_START COMPILER_RT_VISIBILITY;
|
|
extern uint64_t PROF_CNTS_STOP COMPILER_RT_VISIBILITY;
|
|
extern char PROF_NAME_START COMPILER_RT_VISIBILITY;
|
|
extern char PROF_NAME_STOP COMPILER_RT_VISIBILITY;
|
|
|
|
/* Add dummy data to ensure the section is always created. */
|
|
__llvm_profile_data
|
|
__prof_data_sect_data[0] COMPILER_RT_SECTION(INSTR_PROF_DATA_SECT_NAME_STR);
|
|
uint64_t
|
|
__prof_cnts_sect_data[0] COMPILER_RT_SECTION(INSTR_PROF_CNTS_SECT_NAME_STR);
|
|
char __prof_nms_sect_data[0] COMPILER_RT_SECTION(INSTR_PROF_NAME_SECT_NAME_STR);
|
|
|
|
COMPILER_RT_VISIBILITY const __llvm_profile_data *
|
|
__llvm_profile_begin_data(void) {
|
|
return &PROF_DATA_START;
|
|
}
|
|
COMPILER_RT_VISIBILITY const __llvm_profile_data *
|
|
__llvm_profile_end_data(void) {
|
|
return &PROF_DATA_STOP;
|
|
}
|
|
COMPILER_RT_VISIBILITY const char *__llvm_profile_begin_names(void) {
|
|
return &PROF_NAME_START;
|
|
}
|
|
COMPILER_RT_VISIBILITY const char *__llvm_profile_end_names(void) {
|
|
return &PROF_NAME_STOP;
|
|
}
|
|
COMPILER_RT_VISIBILITY uint64_t *__llvm_profile_begin_counters(void) {
|
|
return &PROF_CNTS_START;
|
|
}
|
|
COMPILER_RT_VISIBILITY uint64_t *__llvm_profile_end_counters(void) {
|
|
return &PROF_CNTS_STOP;
|
|
}
|
|
#endif
|