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https://github.com/c64scene-ar/llvm-6502.git
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f3d745cdc9
This lets us pass the symbol to the constructor and avoid the mutable field. This also opens the way for outputting the symbol only when needed, instead of outputting them at the start of the file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231859 91177308-0d34-0410-b5e6-96231b3b80d8
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
//===- MCSectionELF.h - ELF Machine Code Sections ---------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the MCSectionELF class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCSECTIONELF_H
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#define LLVM_MC_MCSECTIONELF_H
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#include "llvm/ADT/Twine.h"
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#include "llvm/MC/MCSection.h"
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#include "llvm/MC/MCSymbol.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/ELF.h"
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#include "llvm/Support/raw_ostream.h"
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namespace llvm {
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class MCSymbol;
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/// MCSectionELF - This represents a section on linux, lots of unix variants
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/// and some bare metal systems.
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class MCSectionELF : public MCSection {
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/// SectionName - This is the name of the section. The referenced memory is
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/// owned by TargetLoweringObjectFileELF's ELFUniqueMap.
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StringRef SectionName;
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/// Type - This is the sh_type field of a section, drawn from the enums below.
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unsigned Type;
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/// Flags - This is the sh_flags field of a section, drawn from the enums.
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/// below.
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unsigned Flags;
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bool Unique;
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/// EntrySize - The size of each entry in this section. This size only
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/// makes sense for sections that contain fixed-sized entries. If a
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/// section does not contain fixed-sized entries 'EntrySize' will be 0.
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unsigned EntrySize;
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const MCSymbol *Group;
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private:
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friend class MCContext;
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MCSectionELF(StringRef Section, unsigned type, unsigned flags, SectionKind K,
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unsigned entrySize, const MCSymbol *group, bool Unique,
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MCSymbol *Begin)
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: MCSection(SV_ELF, K, Begin), SectionName(Section), Type(type),
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Flags(flags), Unique(Unique), EntrySize(entrySize), Group(group) {}
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~MCSectionELF();
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void setSectionName(StringRef Name) { SectionName = Name; }
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public:
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/// ShouldOmitSectionDirective - Decides whether a '.section' directive
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/// should be printed before the section name
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bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
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StringRef getSectionName() const { return SectionName; }
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unsigned getType() const { return Type; }
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unsigned getFlags() const { return Flags; }
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unsigned getEntrySize() const { return EntrySize; }
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const MCSymbol *getGroup() const { return Group; }
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void PrintSwitchToSection(const MCAsmInfo &MAI, raw_ostream &OS,
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const MCExpr *Subsection) const override;
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bool UseCodeAlign() const override;
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bool isVirtualSection() const override;
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static bool classof(const MCSection *S) {
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return S->getVariant() == SV_ELF;
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}
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};
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} // end namespace llvm
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#endif
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