1 files changed, 0 insertions, 166 deletions
diff --git a/contrib/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCObjectWriter.cpp b/contrib/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCObjectWriter.cpp
deleted file mode 100644
index 8d8ba5644e103..0000000000000
--- a/contrib/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCObjectWriter.cpp
+++ /dev/null
@@ -1,166 +0,0 @@
-//===-- SystemZMCObjectWriter.cpp - SystemZ ELF writer --------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "MCTargetDesc/SystemZMCFixups.h"
-#include "MCTargetDesc/SystemZMCTargetDesc.h"
-#include "llvm/BinaryFormat/ELF.h"
-#include "llvm/MC/MCELFObjectWriter.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCFixup.h"
-#include "llvm/MC/MCObjectWriter.h"
-#include "llvm/MC/MCValue.h"
-#include "llvm/Support/ErrorHandling.h"
-#include <cassert>
-#include <cstdint>
-
-using namespace llvm;
-
-namespace {
-
-class SystemZObjectWriter : public MCELFObjectTargetWriter {
-public:
-  SystemZObjectWriter(uint8_t OSABI);
-  ~SystemZObjectWriter() override = default;
-
-protected:
-  // Override MCELFObjectTargetWriter.
-  unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
-                        const MCFixup &Fixup, bool IsPCRel) const override;
-};
-
-} // end anonymous namespace
-
-SystemZObjectWriter::SystemZObjectWriter(uint8_t OSABI)
-  : MCELFObjectTargetWriter(/*Is64Bit_=*/true, OSABI, ELF::EM_S390,
-                            /*HasRelocationAddend_=*/ true) {}
-
-// Return the relocation type for an absolute value of MCFixupKind Kind.
-static unsigned getAbsoluteReloc(unsigned Kind) {
-  switch (Kind) {
-  case FK_Data_1: return ELF::R_390_8;
-  case FK_Data_2: return ELF::R_390_16;
-  case FK_Data_4: return ELF::R_390_32;
-  case FK_Data_8: return ELF::R_390_64;
-  }
-  llvm_unreachable("Unsupported absolute address");
-}
-
-// Return the relocation type for a PC-relative value of MCFixupKind Kind.
-static unsigned getPCRelReloc(unsigned Kind) {
-  switch (Kind) {
-  case FK_Data_2:                return ELF::R_390_PC16;
-  case FK_Data_4:                return ELF::R_390_PC32;
-  case FK_Data_8:                return ELF::R_390_PC64;
-  case SystemZ::FK_390_PC12DBL:  return ELF::R_390_PC12DBL;
-  case SystemZ::FK_390_PC16DBL:  return ELF::R_390_PC16DBL;
-  case SystemZ::FK_390_PC24DBL:  return ELF::R_390_PC24DBL;
-  case SystemZ::FK_390_PC32DBL:  return ELF::R_390_PC32DBL;
-  }
-  llvm_unreachable("Unsupported PC-relative address");
-}
-
-// Return the R_390_TLS_LE* relocation type for MCFixupKind Kind.
-static unsigned getTLSLEReloc(unsigned Kind) {
-  switch (Kind) {
-  case FK_Data_4: return ELF::R_390_TLS_LE32;
-  case FK_Data_8: return ELF::R_390_TLS_LE64;
-  }
-  llvm_unreachable("Unsupported absolute address");
-}
-
-// Return the R_390_TLS_LDO* relocation type for MCFixupKind Kind.
-static unsigned getTLSLDOReloc(unsigned Kind) {
-  switch (Kind) {
-  case FK_Data_4: return ELF::R_390_TLS_LDO32;
-  case FK_Data_8: return ELF::R_390_TLS_LDO64;
-  }
-  llvm_unreachable("Unsupported absolute address");
-}
-
-// Return the R_390_TLS_LDM* relocation type for MCFixupKind Kind.
-static unsigned getTLSLDMReloc(unsigned Kind) {
-  switch (Kind) {
-  case FK_Data_4: return ELF::R_390_TLS_LDM32;
-  case FK_Data_8: return ELF::R_390_TLS_LDM64;
-  case SystemZ::FK_390_TLS_CALL: return ELF::R_390_TLS_LDCALL;
-  }
-  llvm_unreachable("Unsupported absolute address");
-}
-
-// Return the R_390_TLS_GD* relocation type for MCFixupKind Kind.
-static unsigned getTLSGDReloc(unsigned Kind) {
-  switch (Kind) {
-  case FK_Data_4: return ELF::R_390_TLS_GD32;
-  case FK_Data_8: return ELF::R_390_TLS_GD64;
-  case SystemZ::FK_390_TLS_CALL: return ELF::R_390_TLS_GDCALL;
-  }
-  llvm_unreachable("Unsupported absolute address");
-}
-
-// Return the PLT relocation counterpart of MCFixupKind Kind.
-static unsigned getPLTReloc(unsigned Kind) {
-  switch (Kind) {
-  case SystemZ::FK_390_PC12DBL: return ELF::R_390_PLT12DBL;
-  case SystemZ::FK_390_PC16DBL: return ELF::R_390_PLT16DBL;
-  case SystemZ::FK_390_PC24DBL: return ELF::R_390_PLT24DBL;
-  case SystemZ::FK_390_PC32DBL: return ELF::R_390_PLT32DBL;
-  }
-  llvm_unreachable("Unsupported absolute address");
-}
-
-unsigned SystemZObjectWriter::getRelocType(MCContext &Ctx,
-                                           const MCValue &Target,
-                                           const MCFixup &Fixup,
-                                           bool IsPCRel) const {
-  MCSymbolRefExpr::VariantKind Modifier = Target.getAccessVariant();
-  unsigned Kind = Fixup.getKind();
-  switch (Modifier) {
-  case MCSymbolRefExpr::VK_None:
-    if (IsPCRel)
-      return getPCRelReloc(Kind);
-    return getAbsoluteReloc(Kind);
-
-  case MCSymbolRefExpr::VK_NTPOFF:
-    assert(!IsPCRel && "NTPOFF shouldn't be PC-relative");
-    return getTLSLEReloc(Kind);
-
-  case MCSymbolRefExpr::VK_INDNTPOFF:
-    if (IsPCRel && Kind == SystemZ::FK_390_PC32DBL)
-      return ELF::R_390_TLS_IEENT;
-    llvm_unreachable("Only PC-relative INDNTPOFF accesses are supported for now");
-
-  case MCSymbolRefExpr::VK_DTPOFF:
-    assert(!IsPCRel && "DTPOFF shouldn't be PC-relative");
-    return getTLSLDOReloc(Kind);
-
-  case MCSymbolRefExpr::VK_TLSLDM:
-    assert(!IsPCRel && "TLSLDM shouldn't be PC-relative");
-    return getTLSLDMReloc(Kind);
-
-  case MCSymbolRefExpr::VK_TLSGD:
-    assert(!IsPCRel && "TLSGD shouldn't be PC-relative");
-    return getTLSGDReloc(Kind);
-
-  case MCSymbolRefExpr::VK_GOT:
-    if (IsPCRel && Kind == SystemZ::FK_390_PC32DBL)
-      return ELF::R_390_GOTENT;
-    llvm_unreachable("Only PC-relative GOT accesses are supported for now");
-
-  case MCSymbolRefExpr::VK_PLT:
-    assert(IsPCRel && "@PLT shouldt be PC-relative");
-    return getPLTReloc(Kind);
-
-  default:
-    llvm_unreachable("Modifier not supported");
-  }
-}
-
-std::unique_ptr<MCObjectTargetWriter>
-llvm::createSystemZObjectWriter(uint8_t OSABI) {
-  return llvm::make_unique<SystemZObjectWriter>(OSABI);
-}