78 lines · cpp
1//===-------- MachOObjectFormat.cpp -- MachO format details for ORC -------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// ORC-specific MachO object format details.10//11//===----------------------------------------------------------------------===//12 13#include "llvm/ExecutionEngine/Orc/Shared/MachOObjectFormat.h"14 15namespace llvm {16namespace orc {17 18StringRef MachODataCommonSectionName = "__DATA,__common";19StringRef MachODataDataSectionName = "__DATA,__data";20StringRef MachOEHFrameSectionName = "__TEXT,__eh_frame";21StringRef MachOCompactUnwindSectionName = "__LD,__compact_unwind";22StringRef MachOCStringSectionName = "__TEXT,__cstring";23StringRef MachOModInitFuncSectionName = "__DATA,__mod_init_func";24StringRef MachOObjCCatListSectionName = "__DATA,__objc_catlist";25StringRef MachOObjCCatList2SectionName = "__DATA,__objc_catlist2";26StringRef MachOObjCClassListSectionName = "__DATA,__objc_classlist";27StringRef MachOObjCClassNameSectionName = "__TEXT,__objc_classname";28StringRef MachOObjCClassRefsSectionName = "__DATA,__objc_classrefs";29StringRef MachOObjCConstSectionName = "__DATA,__objc_const";30StringRef MachOObjCDataSectionName = "__DATA,__objc_data";31StringRef MachOObjCImageInfoSectionName = "__DATA,__objc_imageinfo";32StringRef MachOObjCMethNameSectionName = "__TEXT,__objc_methname";33StringRef MachOObjCMethTypeSectionName = "__TEXT,__objc_methtype";34StringRef MachOObjCNLCatListSectionName = "__DATA,__objc_nlcatlist";35StringRef MachOObjCNLClassListSectionName = "__DATA,__objc_nlclslist";36StringRef MachOObjCProtoListSectionName = "__DATA,__objc_protolist";37StringRef MachOObjCProtoRefsSectionName = "__DATA,__objc_protorefs";38StringRef MachOObjCSelRefsSectionName = "__DATA,__objc_selrefs";39StringRef MachOSwift5ProtoSectionName = "__TEXT,__swift5_proto";40StringRef MachOSwift5ProtosSectionName = "__TEXT,__swift5_protos";41StringRef MachOSwift5TypesSectionName = "__TEXT,__swift5_types";42StringRef MachOSwift5TypeRefSectionName = "__TEXT,__swift5_typeref";43StringRef MachOSwift5FieldMetadataSectionName = "__TEXT,__swift5_fieldmd";44StringRef MachOSwift5EntrySectionName = "__TEXT,__swift5_entry";45StringRef MachOTextTextSectionName = "__TEXT,__text";46StringRef MachOThreadBSSSectionName = "__DATA,__thread_bss";47StringRef MachOThreadDataSectionName = "__DATA,__thread_data";48StringRef MachOThreadVarsSectionName = "__DATA,__thread_vars";49StringRef MachOUnwindInfoSectionName = "__TEXT,__unwind_info";50 51StringRef MachOInitSectionNames[22] = {52 MachOModInitFuncSectionName, MachOObjCCatListSectionName,53 MachOObjCCatList2SectionName, MachOObjCClassListSectionName,54 MachOObjCClassNameSectionName, MachOObjCClassRefsSectionName,55 MachOObjCConstSectionName, MachOObjCDataSectionName,56 MachOObjCImageInfoSectionName, MachOObjCMethNameSectionName,57 MachOObjCMethTypeSectionName, MachOObjCNLCatListSectionName,58 MachOObjCNLClassListSectionName, MachOObjCProtoListSectionName,59 MachOObjCProtoRefsSectionName, MachOObjCSelRefsSectionName,60 MachOSwift5ProtoSectionName, MachOSwift5ProtosSectionName,61 MachOSwift5TypesSectionName, MachOSwift5TypeRefSectionName,62 MachOSwift5FieldMetadataSectionName, MachOSwift5EntrySectionName,63};64 65bool isMachOInitializerSection(StringRef SegName, StringRef SecName) {66 for (auto &InitSection : MachOInitSectionNames) {67 // Loop below assumes all MachO init sectios have a length-668 // segment name.69 assert(InitSection[6] == ',' && "Init section seg name has length != 6");70 if (InitSection.starts_with(SegName) && InitSection.substr(7) == SecName)71 return true;72 }73 return false;74}75 76} // namespace orc77} // namespace llvm78