Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/lib/Target/X86/X86TargetObjectFile.h

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+//===-- X86TargetObjectFile.h - X86 Object Info -----------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
+#define LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
+
+#include "llvm/CodeGen/TargetLoweringObjectFile.h"
+#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
+
+namespace llvm {
+
+  /// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin
+  /// x86-64.
+  class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
+  public:
+    const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
+                                          unsigned Encoding,
+                                          const TargetMachine &TM,
+                                          MachineModuleInfo *MMI,
+                                          MCStreamer &Streamer) const override;
+
+    // getCFIPersonalitySymbol - The symbol that gets passed to
+    // .cfi_personality.
+    MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV,
+                                      const TargetMachine &TM,
+                                      MachineModuleInfo *MMI) const override;
+
+    const MCExpr *getIndirectSymViaGOTPCRel(const MCSymbol *Sym,
+                                            const MCValue &MV, int64_t Offset,
+                                            MachineModuleInfo *MMI,
+                                            MCStreamer &Streamer) const override;
+  };
+
+  /// \brief This implemenatation is used for X86 ELF targets that don't
+  /// have a further specialization.
+  class X86ELFTargetObjectFile : public TargetLoweringObjectFileELF {
+  public:
+    X86ELFTargetObjectFile() {
+      PLTRelativeVariantKind = MCSymbolRefExpr::VK_PLT;
+    }
+
+    /// \brief Describe a TLS variable address within debug info.
+    const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
+  };
+
+  /// X86FreeBSDTargetObjectFile - This implementation is used for FreeBSD
+  /// on x86 and x86-64.
+  class X86FreeBSDTargetObjectFile : public X86ELFTargetObjectFile {
+    void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
+  };
+
+  /// \brief This implementation is used for Fuchsia on x86-64.
+  class X86FuchsiaTargetObjectFile : public X86ELFTargetObjectFile {
+    void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
+  };
+
+  /// X86LinuxNaClTargetObjectFile - This implementation is used for linux and
+  /// Native Client on x86 and x86-64.
+  class X86LinuxNaClTargetObjectFile : public X86ELFTargetObjectFile {
+    void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
+  };
+
+  /// \brief This implementation is used for Solaris on x86/x86-64.
+  class X86SolarisTargetObjectFile : public X86ELFTargetObjectFile {
+    void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
+  };
+
+  /// \brief This implementation is used for Windows targets on x86 and x86-64.
+  class X86WindowsTargetObjectFile : public TargetLoweringObjectFileCOFF {
+    const MCExpr *
+    lowerRelativeReference(const GlobalValue *LHS, const GlobalValue *RHS,
+                           const TargetMachine &TM) const override;
+
+    /// \brief Given a mergeable constant with the specified size and relocation
+    /// information, return a section that it should be placed in.
+    MCSection *getSectionForConstant(const DataLayout &DL, SectionKind Kind,
+                                     const Constant *C,
+                                     unsigned &Align) const override;
+  };
+
+} // end namespace llvm
+
+#endif