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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: MCSymbolELF.cpp

//===- lib/MC/MCSymbolELF.cpp ---------------------------------------------===//
//
// 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/MCSymbolELF.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/MC/MCFixupKindInfo.h"

namespace llvm {

namespace {
enum {
  // Shift value for STT_* flags. 7 possible values. 3 bits.
  ELF_STT_Shift = 0,

// Shift value for STB_* flags. 4 possible values, 2 bits.
  ELF_STB_Shift = 3,

// Shift value for STV_* flags. 4 possible values, 2 bits.
  ELF_STV_Shift = 5,

// Shift value for STO_* flags. 3 bits. All the values are between 0x20 and
  // 0xe0, so we shift right by 5 before storing.
  ELF_STO_Shift = 7,

// One bit.
  ELF_IsSignature_Shift = 10,

// One bit.
  ELF_WeakrefUsedInReloc_Shift = 11,

// One bit.
  ELF_BindingSet_Shift = 12
};
}

void MCSymbolELF::setBinding(unsigned Binding) const {
  setIsBindingSet();
  unsigned Val;
  switch (Binding) {
  default:
    llvm_unreachable("Unsupported Binding");
  case ELF::STB_LOCAL:
    Val = 0;
    break;
  case ELF::STB_GLOBAL:
    Val = 1;
    break;
  case ELF::STB_WEAK:
    Val = 2;
    break;
  case ELF::STB_GNU_UNIQUE:
    Val = 3;
    break;
  }
  uint32_t OtherFlags = getFlags() & ~(0x3 << ELF_STB_Shift);
  setFlags(OtherFlags | (Val << ELF_STB_Shift));
}

unsigned MCSymbolELF::getBinding() const {
  if (isBindingSet()) {
    uint32_t Val = (Flags >> ELF_STB_Shift) & 3;
    switch (Val) {
    default:
      llvm_unreachable("Invalid value");
    case 0:
      return ELF::STB_LOCAL;
    case 1:
      return ELF::STB_GLOBAL;
    case 2:
      return ELF::STB_WEAK;
    case 3:
      return ELF::STB_GNU_UNIQUE;
    }
  }

if (isDefined())
    return ELF::STB_LOCAL;
  if (isUsedInReloc())
    return ELF::STB_GLOBAL;
  if (isWeakrefUsedInReloc())
    return ELF::STB_WEAK;
  if (isSignature())
    return ELF::STB_LOCAL;
  return ELF::STB_GLOBAL;
}

void MCSymbolELF::setType(unsigned Type) const {
  unsigned Val;
  switch (Type) {
  default:
    llvm_unreachable("Unsupported Binding");
  case ELF::STT_NOTYPE:
    Val = 0;
    break;
  case ELF::STT_OBJECT:
    Val = 1;
    break;
  case ELF::STT_FUNC:
    Val = 2;
    break;
  case ELF::STT_SECTION:
    Val = 3;
    break;
  case ELF::STT_COMMON:
    Val = 4;
    break;
  case ELF::STT_TLS:
    Val = 5;
    break;
  case ELF::STT_GNU_IFUNC:
    Val = 6;
    break;
  }
  uint32_t OtherFlags = getFlags() & ~(0x7 << ELF_STT_Shift);
  setFlags(OtherFlags | (Val << ELF_STT_Shift));
}

unsigned MCSymbolELF::getType() const {
  uint32_t Val = (Flags >> ELF_STT_Shift) & 7;
  switch (Val) {
  default:
    llvm_unreachable("Invalid value");
  case 0:
    return ELF::STT_NOTYPE;
  case 1:
    return ELF::STT_OBJECT;
  case 2:
    return ELF::STT_FUNC;
  case 3:
    return ELF::STT_SECTION;
  case 4:
    return ELF::STT_COMMON;
  case 5:
    return ELF::STT_TLS;
  case 6:
    return ELF::STT_GNU_IFUNC;
  }
}

void MCSymbolELF::setVisibility(unsigned Visibility) {
  assert(Visibility == ELF::STV_DEFAULT || Visibility == ELF::STV_INTERNAL ||
         Visibility == ELF::STV_HIDDEN || Visibility == ELF::STV_PROTECTED);

uint32_t OtherFlags = getFlags() & ~(0x3 << ELF_STV_Shift);
  setFlags(OtherFlags | (Visibility << ELF_STV_Shift));
}

unsigned MCSymbolELF::getVisibility() const {
  unsigned Visibility = (Flags >> ELF_STV_Shift) & 3;
  return Visibility;
}

void MCSymbolELF::setOther(unsigned Other) {
  assert((Other & 0x1f) == 0);
  Other >>= 5;
  assert(Other <= 0x7);
  uint32_t OtherFlags = getFlags() & ~(0x7 << ELF_STO_Shift);
  setFlags(OtherFlags | (Other << ELF_STO_Shift));
}

unsigned MCSymbolELF::getOther() const {
  unsigned Other = (Flags >> ELF_STO_Shift) & 7;
  return Other << 5;
}

void MCSymbolELF::setIsWeakrefUsedInReloc() const {
  uint32_t OtherFlags = getFlags() & ~(0x1 << ELF_WeakrefUsedInReloc_Shift);
  setFlags(OtherFlags | (1 << ELF_WeakrefUsedInReloc_Shift));
}

bool MCSymbolELF::isWeakrefUsedInReloc() const {
  return getFlags() & (0x1 << ELF_WeakrefUsedInReloc_Shift);
}

void MCSymbolELF::setIsSignature() const {
  uint32_t OtherFlags = getFlags() & ~(0x1 << ELF_IsSignature_Shift);
  setFlags(OtherFlags | (1 << ELF_IsSignature_Shift));
}

bool MCSymbolELF::isSignature() const {
  return getFlags() & (0x1 << ELF_IsSignature_Shift);
}

void MCSymbolELF::setIsBindingSet() const {
  uint32_t OtherFlags = getFlags() & ~(0x1 << ELF_BindingSet_Shift);
  setFlags(OtherFlags | (1 << ELF_BindingSet_Shift));
}

bool MCSymbolELF::isBindingSet() const {
  return getFlags() & (0x1 << ELF_BindingSet_Shift);
}
}

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Editing: MCSymbolELF.cpp

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