10b57cec5SDimitry Andric /*===- InstrProfilingPlatformDarwin.c - Profile data on Darwin ------------===*\ 20b57cec5SDimitry Andric |* 30b57cec5SDimitry Andric |* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric |* See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric |* 70b57cec5SDimitry Andric \*===----------------------------------------------------------------------===*/ 80b57cec5SDimitry Andric 9e8d8bef9SDimitry Andric // Note: This is linked into the Darwin kernel, and must remain compatible 10e8d8bef9SDimitry Andric // with freestanding compilation. See `darwin_add_builtin_libraries`. 11e8d8bef9SDimitry Andric 120b57cec5SDimitry Andric #include "InstrProfiling.h" 13fe6060f1SDimitry Andric #include "InstrProfilingInternal.h" 140b57cec5SDimitry Andric 150b57cec5SDimitry Andric #if defined(__APPLE__) 160b57cec5SDimitry Andric /* Use linker magic to find the bounds of the Data section. */ 170b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 180b57cec5SDimitry Andric extern __llvm_profile_data 190b57cec5SDimitry Andric DataStart __asm("section$start$__DATA$" INSTR_PROF_DATA_SECT_NAME); 200b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 210b57cec5SDimitry Andric extern __llvm_profile_data 220b57cec5SDimitry Andric DataEnd __asm("section$end$__DATA$" INSTR_PROF_DATA_SECT_NAME); 230b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 240b57cec5SDimitry Andric extern char 250b57cec5SDimitry Andric NamesStart __asm("section$start$__DATA$" INSTR_PROF_NAME_SECT_NAME); 260b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 270b57cec5SDimitry Andric extern char NamesEnd __asm("section$end$__DATA$" INSTR_PROF_NAME_SECT_NAME); 280b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 2904eeddc0SDimitry Andric extern char 300b57cec5SDimitry Andric CountersStart __asm("section$start$__DATA$" INSTR_PROF_CNTS_SECT_NAME); 310b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 3204eeddc0SDimitry Andric extern char CountersEnd __asm("section$end$__DATA$" INSTR_PROF_CNTS_SECT_NAME); 330b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 345f757f3fSDimitry Andric extern char 355f757f3fSDimitry Andric BitmapStart __asm("section$start$__DATA$" INSTR_PROF_BITS_SECT_NAME); 365f757f3fSDimitry Andric COMPILER_RT_VISIBILITY 375f757f3fSDimitry Andric extern char BitmapEnd __asm("section$end$__DATA$" INSTR_PROF_BITS_SECT_NAME); 385f757f3fSDimitry Andric COMPILER_RT_VISIBILITY 39*0fca6ea1SDimitry Andric extern VTableProfData 40*0fca6ea1SDimitry Andric VTableProfStart __asm("section$start$__DATA$" INSTR_PROF_VTAB_SECT_NAME); 41*0fca6ea1SDimitry Andric COMPILER_RT_VISIBILITY 42*0fca6ea1SDimitry Andric extern VTableProfData 43*0fca6ea1SDimitry Andric VTableProfEnd __asm("section$end$__DATA$" INSTR_PROF_VTAB_SECT_NAME); 44*0fca6ea1SDimitry Andric COMPILER_RT_VISIBILITY 45*0fca6ea1SDimitry Andric extern char 46*0fca6ea1SDimitry Andric VNameStart __asm("section$start$__DATA$" INSTR_PROF_VNAME_SECT_NAME); 47*0fca6ea1SDimitry Andric COMPILER_RT_VISIBILITY 48*0fca6ea1SDimitry Andric extern char VNameEnd __asm("section$end$__DATA$" INSTR_PROF_VNAME_SECT_NAME); 49*0fca6ea1SDimitry Andric COMPILER_RT_VISIBILITY 500b57cec5SDimitry Andric extern uint32_t 510b57cec5SDimitry Andric OrderFileStart __asm("section$start$__DATA$" INSTR_PROF_ORDERFILE_SECT_NAME); 520b57cec5SDimitry Andric 530b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 540b57cec5SDimitry Andric extern ValueProfNode 550b57cec5SDimitry Andric VNodesStart __asm("section$start$__DATA$" INSTR_PROF_VNODES_SECT_NAME); 560b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 570b57cec5SDimitry Andric extern ValueProfNode 580b57cec5SDimitry Andric VNodesEnd __asm("section$end$__DATA$" INSTR_PROF_VNODES_SECT_NAME); 590b57cec5SDimitry Andric 600b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 610b57cec5SDimitry Andric const __llvm_profile_data *__llvm_profile_begin_data(void) { 620b57cec5SDimitry Andric return &DataStart; 630b57cec5SDimitry Andric } 640b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 650b57cec5SDimitry Andric const __llvm_profile_data *__llvm_profile_end_data(void) { return &DataEnd; } 660b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 670b57cec5SDimitry Andric const char *__llvm_profile_begin_names(void) { return &NamesStart; } 680b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 690b57cec5SDimitry Andric const char *__llvm_profile_end_names(void) { return &NamesEnd; } 700b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 7104eeddc0SDimitry Andric char *__llvm_profile_begin_counters(void) { return &CountersStart; } 720b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 7304eeddc0SDimitry Andric char *__llvm_profile_end_counters(void) { return &CountersEnd; } 740b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 755f757f3fSDimitry Andric char *__llvm_profile_begin_bitmap(void) { return &BitmapStart; } 765f757f3fSDimitry Andric COMPILER_RT_VISIBILITY 775f757f3fSDimitry Andric char *__llvm_profile_end_bitmap(void) { return &BitmapEnd; } 785f757f3fSDimitry Andric COMPILER_RT_VISIBILITY 79*0fca6ea1SDimitry Andric const VTableProfData *__llvm_profile_begin_vtables(void) { 80*0fca6ea1SDimitry Andric return &VTableProfStart; 81*0fca6ea1SDimitry Andric } 82*0fca6ea1SDimitry Andric COMPILER_RT_VISIBILITY 83*0fca6ea1SDimitry Andric const VTableProfData *__llvm_profile_end_vtables(void) { 84*0fca6ea1SDimitry Andric return &VTableProfEnd; 85*0fca6ea1SDimitry Andric } 86*0fca6ea1SDimitry Andric COMPILER_RT_VISIBILITY 87*0fca6ea1SDimitry Andric const char *__llvm_profile_begin_vtabnames(void) { return &VNameStart; } 88*0fca6ea1SDimitry Andric COMPILER_RT_VISIBILITY 89*0fca6ea1SDimitry Andric const char *__llvm_profile_end_vtabnames(void) { return &VNameEnd; } 90*0fca6ea1SDimitry Andric COMPILER_RT_VISIBILITY 910b57cec5SDimitry Andric uint32_t *__llvm_profile_begin_orderfile(void) { return &OrderFileStart; } 920b57cec5SDimitry Andric 930b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 940b57cec5SDimitry Andric ValueProfNode *__llvm_profile_begin_vnodes(void) { 950b57cec5SDimitry Andric return &VNodesStart; 960b57cec5SDimitry Andric } 970b57cec5SDimitry Andric COMPILER_RT_VISIBILITY 980b57cec5SDimitry Andric ValueProfNode *__llvm_profile_end_vnodes(void) { return &VNodesEnd; } 990b57cec5SDimitry Andric 1000b57cec5SDimitry Andric COMPILER_RT_VISIBILITY ValueProfNode *CurrentVNode = &VNodesStart; 1010b57cec5SDimitry Andric COMPILER_RT_VISIBILITY ValueProfNode *EndVNode = &VNodesEnd; 102fe6060f1SDimitry Andric 103fe6060f1SDimitry Andric COMPILER_RT_VISIBILITY int __llvm_write_binary_ids(ProfDataWriter *Writer) { 104fe6060f1SDimitry Andric return 0; 105fe6060f1SDimitry Andric } 106fe6060f1SDimitry Andric 1070b57cec5SDimitry Andric #endif 108