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given the section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170087 91177308-0d34-0410-b5e6-96231b3b80d8
75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
//===- MCSectionCOFF.h - COFF 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 MCSectionCOFF class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCSECTIONCOFF_H
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#define LLVM_MC_MCSECTIONCOFF_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/MC/MCSection.h"
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#include "llvm/Support/COFF.h"
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namespace llvm {
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/// MCSectionCOFF - This represents a section on Windows
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class MCSectionCOFF : public MCSection {
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// The memory for this string is stored in the same MCContext as *this.
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StringRef SectionName;
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/// Characteristics - This is the Characteristics field of a section,
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// drawn from the enums below.
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unsigned Characteristics;
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/// Selection - This is the Selection field for the section symbol, if
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/// it is a COMDAT section (Characteristics & IMAGE_SCN_LNK_COMDAT) != 0
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int Selection;
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private:
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friend class MCContext;
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MCSectionCOFF(StringRef Section, unsigned Characteristics,
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int Selection, SectionKind K)
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: MCSection(SV_COFF, K), SectionName(Section),
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Characteristics(Characteristics), Selection (Selection) {
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assert ((Characteristics & 0x00F00000) == 0 &&
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"alignment must not be set upon section creation");
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}
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~MCSectionCOFF();
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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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virtual std::string getLabelBeginName() const {
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return SectionName.str() + "_begin";
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}
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virtual std::string getLabelEndName() const {
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return SectionName.str() + "_end";
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}
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unsigned getCharacteristics() const { return Characteristics; }
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int getSelection () const { return Selection; }
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virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
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raw_ostream &OS) const;
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virtual bool UseCodeAlign() const;
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virtual bool isVirtualSection() const;
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static bool classof(const MCSection *S) {
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return S->getVariant() == SV_COFF;
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}
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};
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} // end namespace llvm
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#endif
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