Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/Target/TargetLoweringObjectFile.h b/linux-x64/clang/include/llvm/Target/TargetLoweringObjectFile.h
new file mode 100644
index 0000000..d5ac3cd
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+++ b/linux-x64/clang/include/llvm/Target/TargetLoweringObjectFile.h
@@ -0,0 +1,197 @@
+//===-- llvm/Target/TargetLoweringObjectFile.h - Object Info ----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements classes used to handle lowerings specific to common
+// object file formats.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_TARGETLOWERINGOBJECTFILE_H
+#define LLVM_CODEGEN_TARGETLOWERINGOBJECTFILE_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/IR/Module.h"
+#include "llvm/MC/MCObjectFileInfo.h"
+#include "llvm/MC/SectionKind.h"
+#include <cstdint>
+
+namespace llvm {
+
+class GlobalValue;
+class MachineModuleInfo;
+class Mangler;
+class MCContext;
+class MCExpr;
+class MCSection;
+class MCSymbol;
+class MCSymbolRefExpr;
+class MCStreamer;
+class MCValue;
+class TargetMachine;
+
+class TargetLoweringObjectFile : public MCObjectFileInfo {
+ MCContext *Ctx = nullptr;
+
+ /// Name-mangler for global names.
+ Mangler *Mang = nullptr;
+
+protected:
+ bool SupportIndirectSymViaGOTPCRel = false;
+ bool SupportGOTPCRelWithOffset = true;
+
+ /// This section contains the static constructor pointer list.
+ MCSection *StaticCtorSection = nullptr;
+
+ /// This section contains the static destructor pointer list.
+ MCSection *StaticDtorSection = nullptr;
+
+public:
+ TargetLoweringObjectFile() = default;
+ TargetLoweringObjectFile(const TargetLoweringObjectFile &) = delete;
+ TargetLoweringObjectFile &
+ operator=(const TargetLoweringObjectFile &) = delete;
+ virtual ~TargetLoweringObjectFile();
+
+ MCContext &getContext() const { return *Ctx; }
+ Mangler &getMangler() const { return *Mang; }
+
+ /// This method must be called before any actual lowering is done. This
+ /// specifies the current context for codegen, and gives the lowering
+ /// implementations a chance to set up their default sections.
+ virtual void Initialize(MCContext &ctx, const TargetMachine &TM);
+
+ virtual void emitPersonalityValue(MCStreamer &Streamer, const DataLayout &TM,
+ const MCSymbol *Sym) const;
+
+ /// Emit the module-level metadata that the platform cares about.
+ virtual void emitModuleMetadata(MCStreamer &Streamer, Module &M,
+ const TargetMachine &TM) const {}
+
+ /// Given a constant with the SectionKind, return a section that it should be
+ /// placed in.
+ virtual MCSection *getSectionForConstant(const DataLayout &DL,
+ SectionKind Kind,
+ const Constant *C,
+ unsigned &Align) const;
+
+ /// Classify the specified global variable into a set of target independent
+ /// categories embodied in SectionKind.
+ static SectionKind getKindForGlobal(const GlobalObject *GO,
+ const TargetMachine &TM);
+
+ /// This method computes the appropriate section to emit the specified global
+ /// variable or function definition. This should not be passed external (or
+ /// available externally) globals.
+ MCSection *SectionForGlobal(const GlobalObject *GO, SectionKind Kind,
+ const TargetMachine &TM) const;
+
+ /// This method computes the appropriate section to emit the specified global
+ /// variable or function definition. This should not be passed external (or
+ /// available externally) globals.
+ MCSection *SectionForGlobal(const GlobalObject *GO,
+ const TargetMachine &TM) const {
+ return SectionForGlobal(GO, getKindForGlobal(GO, TM), TM);
+ }
+
+ virtual void getNameWithPrefix(SmallVectorImpl<char> &OutName,
+ const GlobalValue *GV,
+ const TargetMachine &TM) const;
+
+ virtual MCSection *getSectionForJumpTable(const Function &F,
+ const TargetMachine &TM) const;
+
+ virtual bool shouldPutJumpTableInFunctionSection(bool UsesLabelDifference,
+ const Function &F) const;
+
+ /// Targets should implement this method to assign a section to globals with
+ /// an explicit section specfied. The implementation of this method can
+ /// assume that GO->hasSection() is true.
+ virtual MCSection *
+ getExplicitSectionGlobal(const GlobalObject *GO, SectionKind Kind,
+ const TargetMachine &TM) const = 0;
+
+ /// Return an MCExpr to use for a reference to the specified global variable
+ /// from exception handling information.
+ virtual const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
+ unsigned Encoding,
+ const TargetMachine &TM,
+ MachineModuleInfo *MMI,
+ MCStreamer &Streamer) const;
+
+ /// Return the MCSymbol for a private symbol with global value name as its
+ /// base, with the specified suffix.
+ MCSymbol *getSymbolWithGlobalValueBase(const GlobalValue *GV,
+ StringRef Suffix,
+ const TargetMachine &TM) const;
+
+ // The symbol that gets passed to .cfi_personality.
+ virtual MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV,
+ const TargetMachine &TM,
+ MachineModuleInfo *MMI) const;
+
+ const MCExpr *getTTypeReference(const MCSymbolRefExpr *Sym, unsigned Encoding,
+ MCStreamer &Streamer) const;
+
+ virtual MCSection *getStaticCtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const {
+ return StaticCtorSection;
+ }
+
+ virtual MCSection *getStaticDtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const {
+ return StaticDtorSection;
+ }
+
+ /// \brief Create a symbol reference to describe the given TLS variable when
+ /// emitting the address in debug info.
+ virtual const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const;
+
+ virtual const MCExpr *lowerRelativeReference(const GlobalValue *LHS,
+ const GlobalValue *RHS,
+ const TargetMachine &TM) const {
+ return nullptr;
+ }
+
+ /// \brief Target supports replacing a data "PC"-relative access to a symbol
+ /// through another symbol, by accessing the later via a GOT entry instead?
+ bool supportIndirectSymViaGOTPCRel() const {
+ return SupportIndirectSymViaGOTPCRel;
+ }
+
+ /// \brief Target GOT "PC"-relative relocation supports encoding an additional
+ /// binary expression with an offset?
+ bool supportGOTPCRelWithOffset() const {
+ return SupportGOTPCRelWithOffset;
+ }
+
+ /// \brief Get the target specific PC relative GOT entry relocation
+ virtual const MCExpr *getIndirectSymViaGOTPCRel(const MCSymbol *Sym,
+ const MCValue &MV,
+ int64_t Offset,
+ MachineModuleInfo *MMI,
+ MCStreamer &Streamer) const {
+ return nullptr;
+ }
+
+ virtual void emitLinkerFlagsForGlobal(raw_ostream &OS,
+ const GlobalValue *GV) const {}
+
+ virtual void emitLinkerFlagsForUsed(raw_ostream &OS,
+ const GlobalValue *GV) const {}
+
+protected:
+ virtual MCSection *SelectSectionForGlobal(const GlobalObject *GO,
+ SectionKind Kind,
+ const TargetMachine &TM) const = 0;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_CODEGEN_TARGETLOWERINGOBJECTFILE_H