ObjectFormats.cpp

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1//===---------- ObjectFormats.cpp - Object 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-exception

6//

7//===----------------------------------------------------------------------===//

8//

9// ORC-specific object format details.

10//

11//===----------------------------------------------------------------------===//

12

13#include "llvm/ExecutionEngine/Orc/Shared/ObjectFormats.h"

14#include "llvm/ADT/STLExtras.h"

15

16namespace llvm {

17namespace orc {

18

19 StringRef ELFEHFrameSectionName = ".eh_frame";

20

21 StringRef ELFInitArrayFuncSectionName = ".init_array";

22 StringRef ELFInitFuncSectionName = ".init";

23 StringRef ELFFiniArrayFuncSectionName = ".fini_array";

24 StringRef ELFFiniFuncSectionName = ".fini";

25 StringRef ELFCtorArrayFuncSectionName = ".ctors";

26 StringRef ELFDtorArrayFuncSectionName = ".dtors";

27

28 StringRef ELFInitSectionNames[3]{

29 ELFInitArrayFuncSectionName,

30 ELFInitFuncSectionName,

31 ELFCtorArrayFuncSectionName,

32};

33

34 StringRef ELFThreadBSSSectionName = ".tbss";

35 StringRef ELFThreadDataSectionName = ".tdata";

36

37 bool isMachOInitializerSection(StringRef QualifiedName) {

38 return llvm::is_contained(MachOInitSectionNames, QualifiedName);

39}

40

41 bool isELFInitializerSection(StringRef SecName) {

42 for (StringRef InitSection : ELFInitSectionNames) {

43 StringRef Name = SecName;

44 if (Name.consume_front(InitSection) && (Name.empty() || Name[0] == '.'))

45 return true;

46 }

47 return false;

48}

49

50 bool isCOFFInitializerSection(StringRef SecName) {

51 return SecName.starts_with(".CRT");

52}

53

54} // namespace orc

55} // namespace llvm

ObjectFormats.h

STLExtras.h

This file contains some templates that are useful if you are working with the STL at all.

QualifiedName

Definition ItaniumDemangle.h:1169

llvm::StringRef

StringRef - Represent a constant reference to a string, i.e.

Definition StringRef.h:55

llvm::StringRef::starts_with

bool starts_with(StringRef Prefix) const

Check if this string starts with the given Prefix.

Definition StringRef.h:261

llvm::orc

Definition AbsoluteSymbols.h:19

llvm::orc::ELFThreadBSSSectionName

LLVM_ABI StringRef ELFThreadBSSSectionName

Definition ObjectFormats.cpp:34

llvm::orc::ELFCtorArrayFuncSectionName

LLVM_ABI StringRef ELFCtorArrayFuncSectionName

Definition ObjectFormats.cpp:25

llvm::orc::ELFFiniFuncSectionName

LLVM_ABI StringRef ELFFiniFuncSectionName

Definition ObjectFormats.cpp:24

llvm::orc::ELFInitSectionNames

LLVM_ABI StringRef ELFInitSectionNames[3]

Definition ObjectFormats.cpp:28

llvm::orc::ELFEHFrameSectionName

LLVM_ABI StringRef ELFEHFrameSectionName

Definition ObjectFormats.cpp:19

llvm::orc::isMachOInitializerSection

LLVM_ABI bool isMachOInitializerSection(StringRef SegName, StringRef SecName)

Definition MachOObjectFormat.cpp:65

llvm::orc::ELFFiniArrayFuncSectionName

LLVM_ABI StringRef ELFFiniArrayFuncSectionName

Definition ObjectFormats.cpp:23

llvm::orc::MachOInitSectionNames

LLVM_ABI StringRef MachOInitSectionNames[22]

Definition MachOObjectFormat.cpp:51

llvm::orc::ELFThreadDataSectionName

LLVM_ABI StringRef ELFThreadDataSectionName

Definition ObjectFormats.cpp:35

llvm::orc::ELFInitArrayFuncSectionName

LLVM_ABI StringRef ELFInitArrayFuncSectionName

Definition ObjectFormats.cpp:21

llvm::orc::isCOFFInitializerSection

LLVM_ABI bool isCOFFInitializerSection(StringRef Name)

Definition ObjectFormats.cpp:50

llvm::orc::isELFInitializerSection

LLVM_ABI bool isELFInitializerSection(StringRef SecName)

Definition ObjectFormats.cpp:41

llvm::orc::ELFInitFuncSectionName

LLVM_ABI StringRef ELFInitFuncSectionName

Definition ObjectFormats.cpp:22

llvm::orc::ELFDtorArrayFuncSectionName

LLVM_ABI StringRef ELFDtorArrayFuncSectionName

Definition ObjectFormats.cpp:26

llvm

This is an optimization pass for GlobalISel generic memory operations.

Definition AddressRanges.h:18

llvm::is_contained

bool is_contained(R &&Range, const E &Element)

Returns true if Element is found in Range.

Definition STLExtras.h:1897

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