mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-26 23:29:22 +00:00
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
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
//===- MCSection.h - Machine Code Sections ----------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file declares the MCSection class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_MC_MCSECTION_H
|
|
#define LLVM_MC_MCSECTION_H
|
|
|
|
#include "llvm/ADT/StringRef.h"
|
|
#include "llvm/MC/SectionKind.h"
|
|
#include "llvm/Support/Compiler.h"
|
|
|
|
namespace llvm {
|
|
class MCAsmInfo;
|
|
class MCExpr;
|
|
class MCSymbol;
|
|
class raw_ostream;
|
|
|
|
/// Instances of this class represent a uniqued identifier for a section in the
|
|
/// current translation unit. The MCContext class uniques and creates these.
|
|
class MCSection {
|
|
public:
|
|
enum SectionVariant { SV_COFF = 0, SV_ELF, SV_MachO };
|
|
|
|
private:
|
|
MCSection(const MCSection &) = delete;
|
|
void operator=(const MCSection &) = delete;
|
|
|
|
MCSymbol *Begin;
|
|
|
|
protected:
|
|
MCSection(SectionVariant V, SectionKind K, MCSymbol *Begin)
|
|
: Begin(Begin), Variant(V), Kind(K) {}
|
|
SectionVariant Variant;
|
|
SectionKind Kind;
|
|
|
|
public:
|
|
virtual ~MCSection();
|
|
|
|
SectionKind getKind() const { return Kind; }
|
|
|
|
SectionVariant getVariant() const { return Variant; }
|
|
|
|
MCSymbol *getBeginSymbol() const { return Begin; }
|
|
|
|
virtual void PrintSwitchToSection(const MCAsmInfo &MAI, raw_ostream &OS,
|
|
const MCExpr *Subsection) const = 0;
|
|
|
|
/// Return true if a .align directive should use "optimized nops" to fill
|
|
/// instead of 0s.
|
|
virtual bool UseCodeAlign() const = 0;
|
|
|
|
/// Check whether this section is "virtual", that is has no actual object
|
|
/// file contents.
|
|
virtual bool isVirtualSection() const = 0;
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif
|