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📁 ..
📄 ConstantPools.cpp(3.72 KB)
📄 ELFObjectWriter.cpp(51.58 KB)
📄 MCAsmBackend.cpp(4.01 KB)
📄 MCAsmInfo.cpp(4.44 KB)
📄 MCAsmInfoCOFF.cpp(2.17 KB)
📄 MCAsmInfoDarwin.cpp(3.01 KB)
📄 MCAsmInfoELF.cpp(1.05 KB)
📄 MCAsmInfoWasm.cpp(853 B)
📄 MCAsmInfoXCOFF.cpp(1.63 KB)
📄 MCAsmMacro.cpp(1.12 KB)
📄 MCAsmStreamer.cpp(68.69 KB)
📄 MCAssembler.cpp(42.61 KB)
📄 MCCodeEmitter.cpp(515 B)
📄 MCCodeView.cpp(25.49 KB)
📄 MCContext.cpp(31.94 KB)
📁 MCDisassembler
📄 MCDwarf.cpp(71.58 KB)
📄 MCELFObjectTargetWriter.cpp(1.29 KB)
📄 MCELFStreamer.cpp(24.89 KB)
📄 MCExpr.cpp(34.06 KB)
📄 MCFragment.cpp(15.28 KB)
📄 MCInst.cpp(2.6 KB)
📄 MCInstPrinter.cpp(7.87 KB)
📄 MCInstrAnalysis.cpp(1.2 KB)
📄 MCInstrDesc.cpp(1.96 KB)
📄 MCInstrInfo.cpp(1.03 KB)
📄 MCLabel.cpp(772 B)
📄 MCLinkerOptimizationHint.cpp(2.03 KB)
📄 MCMachOStreamer.cpp(18.55 KB)
📄 MCMachObjectTargetWriter.cpp(780 B)
📄 MCNullStreamer.cpp(1.61 KB)
📄 MCObjectFileInfo.cpp(39.55 KB)
📄 MCObjectStreamer.cpp(28.26 KB)
📄 MCObjectWriter.cpp(1.82 KB)
📁 MCParser
📄 MCRegisterInfo.cpp(4.76 KB)
📄 MCSchedule.cpp(6.15 KB)
📄 MCSection.cpp(4.41 KB)
📄 MCSectionCOFF.cpp(3.52 KB)
📄 MCSectionELF.cpp(5.29 KB)
📄 MCSectionMachO.cpp(10.84 KB)
📄 MCSectionWasm.cpp(2.45 KB)
📄 MCSectionXCOFF.cpp(2.46 KB)
📄 MCStreamer.cpp(42.97 KB)
📄 MCSubtargetInfo.cpp(11.35 KB)
📄 MCSymbol.cpp(2.98 KB)
📄 MCSymbolELF.cpp(4.69 KB)
📄 MCSymbolXCOFF.cpp(1.73 KB)
📄 MCTargetOptions.cpp(990 B)
📄 MCTargetOptionsCommandFlags.cpp(4.42 KB)
📄 MCValue.cpp(1.42 KB)
📄 MCWasmObjectTargetWriter.cpp(727 B)
📄 MCWasmStreamer.cpp(7.59 KB)
📄 MCWin64EH.cpp(22.87 KB)
📄 MCWinCOFFStreamer.cpp(11.94 KB)
📄 MCWinEH.cpp(711 B)
📄 MCXCOFFObjectTargetWriter.cpp(596 B)
📄 MCXCOFFStreamer.cpp(4.87 KB)
📄 MachObjectWriter.cpp(37.79 KB)
📄 StringTableBuilder.cpp(5.26 KB)
📄 SubtargetFeature.cpp(2.6 KB)
📄 WasmObjectWriter.cpp(60.42 KB)
📄 WinCOFFObjectWriter.cpp(39.32 KB)
📄 XCOFFObjectWriter.cpp(31.62 KB)

Editing: MCAsmBackend.cpp

//===- MCAsmBackend.cpp - Target MC Assembly Backend ----------------------===//
//
// 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 "llvm/MC/MCAsmBackend.h"
#include "llvm/ADT/None.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/MC/MCELFObjectWriter.h"
#include "llvm/MC/MCFixupKindInfo.h"
#include "llvm/MC/MCMachObjectWriter.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCWasmObjectWriter.h"
#include "llvm/MC/MCWinCOFFObjectWriter.h"
#include "llvm/MC/MCXCOFFObjectWriter.h"
#include <cassert>
#include <cstddef>
#include <cstdint>

using namespace llvm;

MCAsmBackend::MCAsmBackend(support::endianness Endian) : Endian(Endian) {}

MCAsmBackend::~MCAsmBackend() = default;

std::unique_ptr<MCObjectWriter>
MCAsmBackend::createObjectWriter(raw_pwrite_stream &OS) const {
  auto TW = createObjectTargetWriter();
  switch (TW->getFormat()) {
  case Triple::ELF:
    return createELFObjectWriter(cast<MCELFObjectTargetWriter>(std::move(TW)), OS,
                                 Endian == support::little);
  case Triple::MachO:
    return createMachObjectWriter(cast<MCMachObjectTargetWriter>(std::move(TW)),
                                  OS, Endian == support::little);
  case Triple::COFF:
    return createWinCOFFObjectWriter(
        cast<MCWinCOFFObjectTargetWriter>(std::move(TW)), OS);
  case Triple::Wasm:
    return createWasmObjectWriter(cast<MCWasmObjectTargetWriter>(std::move(TW)),
                                  OS);
  case Triple::XCOFF:
    return createXCOFFObjectWriter(
        cast<MCXCOFFObjectTargetWriter>(std::move(TW)), OS);
  default:
    llvm_unreachable("unexpected object format");
  }
}

std::unique_ptr<MCObjectWriter>
MCAsmBackend::createDwoObjectWriter(raw_pwrite_stream &OS,
                                    raw_pwrite_stream &DwoOS) const {
  auto TW = createObjectTargetWriter();
  if (TW->getFormat() != Triple::ELF)
    report_fatal_error("dwo only supported with ELF");
  return createELFDwoObjectWriter(cast<MCELFObjectTargetWriter>(std::move(TW)),
                                  OS, DwoOS, Endian == support::little);
}

Optional<MCFixupKind> MCAsmBackend::getFixupKind(StringRef Name) const {
  return None;
}

const MCFixupKindInfo &MCAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
  static const MCFixupKindInfo Builtins[] = {
      {"FK_NONE", 0, 0, 0},
      {"FK_Data_1", 0, 8, 0},
      {"FK_Data_2", 0, 16, 0},
      {"FK_Data_4", 0, 32, 0},
      {"FK_Data_8", 0, 64, 0},
      {"FK_Data_6b", 0, 6, 0},
      {"FK_PCRel_1", 0, 8, MCFixupKindInfo::FKF_IsPCRel},
      {"FK_PCRel_2", 0, 16, MCFixupKindInfo::FKF_IsPCRel},
      {"FK_PCRel_4", 0, 32, MCFixupKindInfo::FKF_IsPCRel},
      {"FK_PCRel_8", 0, 64, MCFixupKindInfo::FKF_IsPCRel},
      {"FK_GPRel_1", 0, 8, 0},
      {"FK_GPRel_2", 0, 16, 0},
      {"FK_GPRel_4", 0, 32, 0},
      {"FK_GPRel_8", 0, 64, 0},
      {"FK_DTPRel_4", 0, 32, 0},
      {"FK_DTPRel_8", 0, 64, 0},
      {"FK_TPRel_4", 0, 32, 0},
      {"FK_TPRel_8", 0, 64, 0},
      {"FK_SecRel_1", 0, 8, 0},
      {"FK_SecRel_2", 0, 16, 0},
      {"FK_SecRel_4", 0, 32, 0},
      {"FK_SecRel_8", 0, 64, 0},
      {"FK_Data_Add_1", 0, 8, 0},
      {"FK_Data_Add_2", 0, 16, 0},
      {"FK_Data_Add_4", 0, 32, 0},
      {"FK_Data_Add_8", 0, 64, 0},
      {"FK_Data_Add_6b", 0, 6, 0},
      {"FK_Data_Sub_1", 0, 8, 0},
      {"FK_Data_Sub_2", 0, 16, 0},
      {"FK_Data_Sub_4", 0, 32, 0},
      {"FK_Data_Sub_8", 0, 64, 0},
      {"FK_Data_Sub_6b", 0, 6, 0}};

assert((size_t)Kind <= array_lengthof(Builtins) && "Unknown fixup kind");
  return Builtins[Kind];
}

bool MCAsmBackend::fixupNeedsRelaxationAdvanced(
    const MCFixup &Fixup, bool Resolved, uint64_t Value,
    const MCRelaxableFragment *DF, const MCAsmLayout &Layout,
    const bool WasForced) const {
  if (!Resolved)
    return true;
  return fixupNeedsRelaxation(Fixup, Value, DF, Layout);
}

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Editing: MCAsmBackend.cpp

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