Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/lib/Target/BPF/MCTargetDesc/BPFELFObjectWriter.cpp

@@ -1,62 +0,0 @@
-//===-- BPFELFObjectWriter.cpp - BPF ELF Writer ---------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MCTargetDesc/BPFMCTargetDesc.h"
-#include "llvm/BinaryFormat/ELF.h"
-#include "llvm/MC/MCELFObjectWriter.h"
-#include "llvm/MC/MCFixup.h"
-#include "llvm/MC/MCObjectWriter.h"
-#include "llvm/Support/ErrorHandling.h"
-#include <cstdint>
-
-using namespace llvm;
-
-namespace {
-
-class BPFELFObjectWriter : public MCELFObjectTargetWriter {
-public:
-  BPFELFObjectWriter(uint8_t OSABI);
-  ~BPFELFObjectWriter() override = default;
-
-protected:
-  unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
-                        const MCFixup &Fixup, bool IsPCRel) const override;
-};
-
-} // end anonymous namespace
-
-BPFELFObjectWriter::BPFELFObjectWriter(uint8_t OSABI)
-    : MCELFObjectTargetWriter(/*Is64Bit*/ true, OSABI, ELF::EM_BPF,
-                              /*HasRelocationAddend*/ false) {}
-
-unsigned BPFELFObjectWriter::getRelocType(MCContext &Ctx, const MCValue &Target,
-                                          const MCFixup &Fixup,
-                                          bool IsPCRel) const {
-  // determine the type of the relocation
-  switch ((unsigned)Fixup.getKind()) {
-  default:
-    llvm_unreachable("invalid fixup kind!");
-  case FK_SecRel_8:
-    return ELF::R_BPF_64_64;
-  case FK_PCRel_4:
-  case FK_SecRel_4:
-    return ELF::R_BPF_64_32;
-  case FK_Data_8:
-    return ELF::R_BPF_64_64;
-  case FK_Data_4:
-    return ELF::R_BPF_64_32;
-  }
-}
-
-std::unique_ptr<MCObjectWriter>
-llvm::createBPFELFObjectWriter(raw_pwrite_stream &OS, uint8_t OSABI,
-                               bool IsLittleEndian) {
-  return createELFObjectWriter(llvm::make_unique<BPFELFObjectWriter>(OSABI), OS,
-                               IsLittleEndian);
-}