Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/MC/MCSectionELF.h b/linux-x64/clang/include/llvm/MC/MCSectionELF.h
new file mode 100644
index 0000000..00c289c
--- /dev/null
+++ b/linux-x64/clang/include/llvm/MC/MCSectionELF.h
@@ -0,0 +1,99 @@
+//===- MCSectionELF.h - ELF 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 MCSectionELF class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_MCSECTIONELF_H
+#define LLVM_MC_MCSECTIONELF_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/MC/MCSection.h"
+#include "llvm/MC/MCSymbolELF.h"
+#include "llvm/MC/SectionKind.h"
+
+namespace llvm {
+
+class MCSymbol;
+
+/// This represents a section on linux, lots of unix variants and some bare
+/// metal systems.
+class MCSectionELF final : public MCSection {
+ /// This is the name of the section. The referenced memory is owned by
+ /// TargetLoweringObjectFileELF's ELFUniqueMap.
+ StringRef SectionName;
+
+ /// This is the sh_type field of a section, drawn from the enums below.
+ unsigned Type;
+
+ /// This is the sh_flags field of a section, drawn from the enums below.
+ unsigned Flags;
+
+ unsigned UniqueID;
+
+ /// The size of each entry in this section. This size only makes sense for
+ /// sections that contain fixed-sized entries. If a section does not contain
+ /// fixed-sized entries 'EntrySize' will be 0.
+ unsigned EntrySize;
+
+ const MCSymbolELF *Group;
+
+ /// sh_info for SHF_LINK_ORDER (can be null).
+ const MCSymbol *AssociatedSymbol;
+
+private:
+ friend class MCContext;
+
+ MCSectionELF(StringRef Section, unsigned type, unsigned flags, SectionKind K,
+ unsigned entrySize, const MCSymbolELF *group, unsigned UniqueID,
+ MCSymbol *Begin, const MCSymbolELF *AssociatedSymbol)
+ : MCSection(SV_ELF, K, Begin), SectionName(Section), Type(type),
+ Flags(flags), UniqueID(UniqueID), EntrySize(entrySize), Group(group),
+ AssociatedSymbol(AssociatedSymbol) {
+ if (Group)
+ Group->setIsSignature();
+ }
+
+ void setSectionName(StringRef Name) { SectionName = Name; }
+
+public:
+ ~MCSectionELF();
+
+ /// Decides whether a '.section' directive should be printed before the
+ /// section name
+ bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
+
+ StringRef getSectionName() const { return SectionName; }
+ unsigned getType() const { return Type; }
+ unsigned getFlags() const { return Flags; }
+ unsigned getEntrySize() const { return EntrySize; }
+ void setFlags(unsigned F) { Flags = F; }
+ const MCSymbolELF *getGroup() const { return Group; }
+
+ void PrintSwitchToSection(const MCAsmInfo &MAI, const Triple &T,
+ raw_ostream &OS,
+ const MCExpr *Subsection) const override;
+ bool UseCodeAlign() const override;
+ bool isVirtualSection() const override;
+
+ bool isUnique() const { return UniqueID != ~0U; }
+ unsigned getUniqueID() const { return UniqueID; }
+
+ const MCSection *getAssociatedSection() const { return &AssociatedSymbol->getSection(); }
+ const MCSymbol *getAssociatedSymbol() const { return AssociatedSymbol; }
+
+ static bool classof(const MCSection *S) {
+ return S->getVariant() == SV_ELF;
+ }
+};
+
+} // end namespace llvm
+
+#endif // LLVM_MC_MCSECTIONELF_H