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//===---------- ObjectFormats.cpp - Object format details for ORC ---------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// ORC-specific object format details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/Shared/ObjectFormats.h"
namespace llvm {
namespace orc {
StringRef MachODataCommonSectionName = "__DATA,__common";
StringRef MachODataDataSectionName = "__DATA,__data";
StringRef MachOEHFrameSectionName = "__TEXT,__eh_frame";
StringRef MachOCompactUnwindInfoSectionName = "__TEXT,__unwind_info";
StringRef MachOCStringSectionName = "__TEXT,__cstring";
StringRef MachOModInitFuncSectionName = "__DATA,__mod_init_func";
StringRef MachOObjCCatListSectionName = "__DATA,__objc_catlist";
StringRef MachOObjCCatList2SectionName = "__DATA,__objc_catlist2";
StringRef MachOObjCClassListSectionName = "__DATA,__objc_classlist";
StringRef MachOObjCClassNameSectionName = "__TEXT,__objc_classname";
StringRef MachOObjCClassRefsSectionName = "__DATA,__objc_classrefs";
StringRef MachOObjCConstSectionName = "__DATA,__objc_const";
StringRef MachOObjCDataSectionName = "__DATA,__objc_data";
StringRef MachOObjCImageInfoSectionName = "__DATA,__objc_imageinfo";
StringRef MachOObjCMethNameSectionName = "__TEXT,__objc_methname";
StringRef MachOObjCMethTypeSectionName = "__TEXT,__objc_methtype";
StringRef MachOObjCNLCatListSectionName = "__DATA,__objc_nlcatlist";
StringRef MachOObjCSelRefsSectionName = "__DATA,__objc_selrefs";
StringRef MachOSwift5ProtoSectionName = "__TEXT,__swift5_proto";
StringRef MachOSwift5ProtosSectionName = "__TEXT,__swift5_protos";
StringRef MachOSwift5TypesSectionName = "__TEXT,__swift5_types";
StringRef MachOSwift5TypeRefSectionName = "__TEXT,__swift5_typeref";
StringRef MachOSwift5FieldMetadataSectionName = "__TEXT,__swift5_fieldmd";
StringRef MachOSwift5EntrySectionName = "__TEXT,__swift5_entry";
StringRef MachOThreadBSSSectionName = "__DATA,__thread_bss";
StringRef MachOThreadDataSectionName = "__DATA,__thread_data";
StringRef MachOThreadVarsSectionName = "__DATA,__thread_vars";
StringRef MachOInitSectionNames[19] = {
MachOModInitFuncSectionName, MachOObjCCatListSectionName,
MachOObjCCatList2SectionName, MachOObjCClassListSectionName,
MachOObjCClassNameSectionName, MachOObjCClassRefsSectionName,
MachOObjCConstSectionName, MachOObjCDataSectionName,
MachOObjCImageInfoSectionName, MachOObjCMethNameSectionName,
MachOObjCMethTypeSectionName, MachOObjCNLCatListSectionName,
MachOObjCSelRefsSectionName, MachOSwift5ProtoSectionName,
MachOSwift5ProtosSectionName, MachOSwift5TypesSectionName,
MachOSwift5TypeRefSectionName, MachOSwift5FieldMetadataSectionName,
MachOSwift5EntrySectionName,
};
StringRef ELFEHFrameSectionName = ".eh_frame";
StringRef ELFInitArrayFuncSectionName = ".init_array";
StringRef ELFInitFuncSectionName = ".init";
StringRef ELFFiniArrayFuncSectionName = ".fini_array";
StringRef ELFFiniFuncSectionName = ".fini";
StringRef ELFCtorArrayFuncSectionName = ".ctors";
StringRef ELFDtorArrayFuncSectionName = ".dtors";
StringRef ELFInitSectionNames[3]{
ELFInitArrayFuncSectionName,
ELFInitFuncSectionName,
ELFCtorArrayFuncSectionName,
};
StringRef ELFThreadBSSSectionName = ".tbss";
StringRef ELFThreadDataSectionName = ".tdata";
bool isMachOInitializerSection(StringRef SegName, StringRef SecName) {
for (auto &InitSection : MachOInitSectionNames) {
// Loop below assumes all MachO init sectios have a length-6
// segment name.
assert(InitSection[6] == ',' && "Init section seg name has length != 6");
if (InitSection.starts_with(SegName) && InitSection.substr(7) == SecName)
return true;
}
return false;
}
bool isMachOInitializerSection(StringRef QualifiedName) {
for (auto &InitSection : MachOInitSectionNames)
if (InitSection == QualifiedName)
return true;
return false;
}
bool isELFInitializerSection(StringRef SecName) {
for (StringRef InitSection : ELFInitSectionNames) {
StringRef Name = SecName;
if (Name.consume_front(InitSection) && (Name.empty() || Name[0] == '.'))
return true;
}
return false;
}
bool isCOFFInitializerSection(StringRef SecName) {
return SecName.startswith(".CRT");
}
} // namespace orc
} // namespace llvm
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