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