MCXCOFFStreamer.cpp Source File (original) (raw)

25using namespace llvm;

28 std::unique_ptr MAB,

29 std::unique_ptr OW,

30 std::unique_ptr Emitter)

40 auto *Sec = static_cast<const MCSectionXCOFF *>(Section);

48 if (Sec->isDwarfSect() || Sec->getMappingClass() == XCOFF::XMC_PR)

50}

60 return false;

65 Symbol->setExternal(true);

66 break;

69 Symbol->setExternal(true);

70 break;

73 Symbol->setExternal(true);

74 break;

77 break;

80 break;

83 break;

84 default:

86 }

87 return true;

88}

97 return;

100}

101

108

111 auto *Symbol = static_cast<const MCSymbolXCOFF *>(Name);

112 if (!Symbol->hasRename())

114}

115

118 unsigned Lang, unsigned Reason,

119 unsigned FunctionSize,

120 bool hasDebug) {

122 hasDebug);

123}

124

128

130 Align ByteAlignment) {

131 auto &Sym = static_cast<MCSymbolXCOFF &>(*Symbol);

133 Sym.setExternal(Sym.getStorageClass() != XCOFF::C_HIDEXT);

134 Symbol->setCommon(Size, ByteAlignment);

135

136

137

138 Sym.getRepresentedCsect()->setAlignment(ByteAlignment);

139

140

143}

144

148 Align Alignment) {

150}

dxil DXContainer Global Emitter

Functions, function parameters, and return types can have attributes to indicate how they should be t...

MCObjectWriter & getWriter() const

LLVM_ABI bool registerSymbol(const MCSymbol &Symbol)

Context object for machine code objects.

void emitValueToAlignment(Align Alignment, int64_t Fill=0, uint8_t FillLen=1, unsigned MaxBytesToEmit=0) override

Emit some number of copies of Value until the byte alignment ByteAlignment is reached.

MCAssembler & getAssembler()

void addFixup(const MCExpr *Value, MCFixupKind Kind)

MCObjectStreamer(MCContext &Context, std::unique_ptr< MCAsmBackend > TAB, std::unique_ptr< MCObjectWriter > OW, std::unique_ptr< MCCodeEmitter > Emitter)

void changeSection(MCSection *Section, uint32_t Subsection=0) override

This is called by popSection and switchSection, if the current section changes.

MCSymbolXCOFF * getQualNameSymbol() const

Instances of this class represent a uniqued identifier for a section in the current translation unit.

MCContext & getContext() const

void emitZeros(uint64_t NumBytes)

Emit NumBytes worth of zeros.

static const MCSymbolRefExpr * create(const MCSymbol *Symbol, MCContext &Ctx, SMLoc Loc=SMLoc())

MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...

void setFragment(MCFragment *F) const

Mark the symbol as defined in the fragment F.

void emitCommonSymbol(MCSymbol *Symbol, uint64_t Size, Align ByteAlignment) override

Emit a common symbol.

Definition MCXCOFFStreamer.cpp:129

XCOFFObjectWriter & getWriter()

Definition MCXCOFFStreamer.cpp:34

void emitXCOFFLocalCommonSymbol(MCSymbol *LabelSym, uint64_t Size, MCSymbol *CsectSym, Align Alignment) override

Emits an lcomm directive with XCOFF csect information.

Definition MCXCOFFStreamer.cpp:145

void emitXCOFFRefDirective(const MCSymbol *Symbol) override

Emit a XCOFF .ref directive which creates R_REF type entry in the relocation table for one or more sy...

Definition MCXCOFFStreamer.cpp:102

MCXCOFFStreamer(MCContext &Context, std::unique_ptr< MCAsmBackend > MAB, std::unique_ptr< MCObjectWriter > OW, std::unique_ptr< MCCodeEmitter > Emitter)

Definition MCXCOFFStreamer.cpp:27

void changeSection(MCSection *Section, uint32_t Subsection=0) override

This is called by popSection and switchSection, if the current section changes.

Definition MCXCOFFStreamer.cpp:38

void emitXCOFFExceptDirective(const MCSymbol *Symbol, const MCSymbol *Trap, unsigned Lang, unsigned Reason, unsigned FunctionSize, bool hasDebug) override

Emit an XCOFF .except directive which adds information about a trap instruction to the object file ex...

Definition MCXCOFFStreamer.cpp:116

void emitXCOFFRenameDirective(const MCSymbol *Name, StringRef Rename) override

Emit a XCOFF .rename directive which creates a synonym for an illegal or undesirable name.

Definition MCXCOFFStreamer.cpp:109

void emitXCOFFCInfoSym(StringRef Name, StringRef Metadata) override

Emit a C_INFO symbol with XCOFF embedded metadata to the .info section.

Definition MCXCOFFStreamer.cpp:125

void emitXCOFFSymbolLinkageWithVisibility(MCSymbol *Symbol, MCSymbolAttr Linkage, MCSymbolAttr Visibility) override

Emit a symbol's linkage and visibility with a linkage directive for XCOFF.

Definition MCXCOFFStreamer.cpp:90

bool emitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override

Add the given Attribute to Symbol.

Definition MCXCOFFStreamer.cpp:52

StringRef - Represent a constant reference to a string, i.e.

virtual void addExceptionEntry(const MCSymbol *Symbol, const MCSymbol *Trap, unsigned LanguageCode, unsigned ReasonCode, unsigned FunctionSize, bool hasDebug)=0

virtual void addCInfoSymEntry(StringRef Name, StringRef Metadata)=0

@ R_REF

A non-relocating relocation.

This is an optimization pass for GlobalISel generic memory operations.

LLVM_ABI void report_fatal_error(Error Err, bool gen_crash_diag=true)

OutputIt move(R &&Range, OutputIt Out)

Provide wrappers to std::move which take ranges instead of having to pass begin/end explicitly.

@ MCSA_Protected

.protected (ELF)

@ MCSA_Exported

.globl _foo, exported (XCOFF)

@ MCSA_Global

.type _foo, @gnu_unique_object

@ MCSA_Extern

.extern (XCOFF)

@ MCSA_Hidden

.hidden (ELF)

@ MCSA_LGlobal

.lglobl (XCOFF)

@ MCSA_Invalid

Not a valid directive.

Implement std::hash so that hash_code can be used in STL containers.

This struct is a compact representation of a valid (non-zero power of two) alignment.