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84 lines
3.3 KiB
C++
84 lines
3.3 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/MC/MCSection.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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/// Flags - This is the Characteristics field of a section, drawn
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/// from the enums below.
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unsigned Flags;
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private:
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friend class MCContext;
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MCSectionCOFF(StringRef Section, unsigned flags, SectionKind K)
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: MCSection(K), SectionName(Section), Flags(flags) {
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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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/// Valid section flags.
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enum {
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IMAGE_SCN_TYPE_NO_PAD = 0x00000008,
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IMAGE_SCN_CNT_CODE = 0x00000020,
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IMAGE_SCN_CNT_INITIALIZED_DATA = 0x00000040,
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IMAGE_SCN_CNT_UNINITIALIZED_DATA = 0x00000080,
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IMAGE_SCN_LNK_OTHER = 0x00000100,
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IMAGE_SCN_LNK_INFO = 0x00000200,
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IMAGE_SCN_LNK_REMOVE = 0x00000800,
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IMAGE_SCN_LNK_COMDAT = 0x00001000,
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IMAGE_SCN_MEM_FARDATA = 0x00008000,
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IMAGE_SCN_MEM_PURGEABLE = 0x00020000,
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IMAGE_SCN_MEM_16BIT = 0x00020000,
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IMAGE_SCN_MEM_LOCKED = 0x00040000,
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IMAGE_SCN_MEM_PRELOAD = 0x00080000,
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IMAGE_SCN_ALIGN_1BYTES = 0x00100000,
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IMAGE_SCN_ALIGN_2BYTES = 0x00200000,
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IMAGE_SCN_ALIGN_4BYTES = 0x00300000,
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IMAGE_SCN_ALIGN_8BYTES = 0x00400000,
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IMAGE_SCN_ALIGN_16BYTES = 0x00500000,
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IMAGE_SCN_ALIGN_32BYTES = 0x00600000,
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IMAGE_SCN_ALIGN_64BYTES = 0x00700000,
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IMAGE_SCN_LNK_NRELOC_OVFL = 0x01000000,
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IMAGE_SCN_MEM_DISCARDABLE = 0x02000000,
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IMAGE_SCN_MEM_NOT_CACHED = 0x04000000,
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IMAGE_SCN_MEM_NOT_PAGED = 0x08000000,
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IMAGE_SCN_MEM_SHARED = 0x10000000,
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IMAGE_SCN_MEM_EXECUTE = 0x20000000,
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IMAGE_SCN_MEM_READ = 0x40000000,
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IMAGE_SCN_MEM_WRITE = 0x80000000
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};
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StringRef getSectionName() const { return SectionName; }
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unsigned getFlags() const { return Flags; }
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virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
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raw_ostream &OS) const;
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};
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} // end namespace llvm
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#endif
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