LLVM  13.0.0git
MCAsmInfoELF.cpp
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1 //===- MCAsmInfoELF.cpp - ELF asm properties ------------------------------===//
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 // This file defines target asm properties related what form asm statements
10 // should take in general on ELF-based targets
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "llvm/MC/MCAsmInfoELF.h"
15 #include "llvm/BinaryFormat/ELF.h"
16 #include "llvm/MC/MCContext.h"
17 #include "llvm/MC/MCSectionELF.h"
18 
19 using namespace llvm;
20 
21 void MCAsmInfoELF::anchor() {}
22 
23 MCSection *MCAsmInfoELF::getNonexecutableStackSection(MCContext &Ctx) const {
24  return Ctx.getELFSection(".note.GNU-stack", ELF::SHT_PROGBITS, 0);
25 }
26 
28  HasIdentDirective = true;
29  WeakRefDirective = "\t.weak\t";
30  PrivateGlobalPrefix = ".L";
31  PrivateLabelPrefix = ".L";
32 }
llvm
---------------------— PointerInfo ------------------------------------—
Definition: AllocatorList.h:23
llvm::MCContext
Context object for machine code objects.
Definition: MCContext.h:71
MCSectionELF.h
llvm::MCAsmInfo::HasIdentDirective
bool HasIdentDirective
True if the target has a .ident directive, this is true for ELF targets.
Definition: MCAsmInfo.h:399
llvm::MCAsmInfo::PrivateLabelPrefix
StringRef PrivateLabelPrefix
This prefix is used for labels for basic blocks.
Definition: MCAsmInfo.h:172
llvm::ELF::SHT_PROGBITS
@ SHT_PROGBITS
Definition: ELF.h:910
llvm::MCAsmInfo::PrivateGlobalPrefix
StringRef PrivateGlobalPrefix
This prefix is used for globals like constant pool entries that are completely private to the ....
Definition: MCAsmInfo.h:168
ELF.h
MCContext.h
llvm::MCContext::getELFSection
MCSectionELF * getELFSection(const Twine &Section, unsigned Type, unsigned Flags)
Definition: MCContext.h:537
llvm::MCAsmInfo::WeakRefDirective
const char * WeakRefDirective
This directive, if non-null, is used to declare a global as being a weak undefined symbol.
Definition: MCAsmInfo.h:414
MCAsmInfoELF.h
llvm::MCSection
Instances of this class represent a uniqued identifier for a section in the current translation unit.
Definition: MCSection.h:39
llvm::MCAsmInfoELF::MCAsmInfoELF
MCAsmInfoELF()
Definition: MCAsmInfoELF.cpp:27