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patch by Peter Housel! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103267 91177308-0d34-0410-b5e6-96231b3b80d8
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
//===- MCSection.h - 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 MCSection class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCSECTION_H
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#define LLVM_MC_MCSECTION_H
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#include <string>
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#include "llvm/ADT/StringRef.h"
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#include "llvm/MC/SectionKind.h"
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namespace llvm {
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class MCContext;
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class MCAsmInfo;
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class raw_ostream;
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/// MCSection - Instances of this class represent a uniqued identifier for a
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/// section in the current translation unit. The MCContext class uniques and
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/// creates these.
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class MCSection {
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MCSection(const MCSection&); // DO NOT IMPLEMENT
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void operator=(const MCSection&); // DO NOT IMPLEMENT
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protected:
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MCSection(SectionKind K) : Kind(K) {}
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SectionKind Kind;
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public:
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virtual ~MCSection();
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SectionKind getKind() const { return Kind; }
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virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
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raw_ostream &OS) const = 0;
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/// isBaseAddressKnownZero - Return true if we know that this section will
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/// get a base address of zero. In cases where we know that this is true we
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/// can emit section offsets as direct references to avoid a subtraction
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/// from the base of the section, saving a relocation.
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virtual bool isBaseAddressKnownZero() const {
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return false;
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}
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};
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} // end namespace llvm
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#endif
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