109 lines
4.4 KiB
C++
109 lines
4.4 KiB
C++
//===---------- 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.starts_with(".CRT");
|
|
}
|
|
|
|
} // namespace orc
|
|
} // namespace llvm
|