namespace llvm {
class MCAsmBackend;
- class MCAsmInfo;
class MCCodeEmitter;
class MCContext;
class MCExpr;
class MCSection;
class MCSymbol;
class StringRef;
- class TargetLoweringObjectFile;
class Twine;
class raw_ostream;
class formatted_raw_ostream;
class MCStreamer {
MCContext &Context;
- MCStreamer(const MCStreamer&); // DO NOT IMPLEMENT
- MCStreamer &operator=(const MCStreamer&); // DO NOT IMPLEMENT
+ MCStreamer(const MCStreamer&) LLVM_DELETED_FUNCTION;
+ MCStreamer &operator=(const MCStreamer&) LLVM_DELETED_FUNCTION;
bool EmitEHFrame;
bool EmitDebugFrame;
SmallVector<std::pair<const MCSection *,
const MCSection *>, 4> SectionStack;
- unsigned UniqueCodeBeginSuffix;
- unsigned UniqueDataBeginSuffix;
-
protected:
- /// Indicator of whether the previous data-or-code indicator was for
- /// code or not. Used to determine when we need to emit a new indicator.
- enum DataType {
- Data,
- Code,
- JumpTable8,
- JumpTable16,
- JumpTable32
- };
- DataType RegionIndicator;
-
-
MCStreamer(MCContext &Ctx);
const MCExpr *BuildSymbolDiff(MCContext &Context, const MCSymbol *A,
/// used in an assignment.
virtual void EmitLabel(MCSymbol *Symbol);
- /// EmitDataRegion - Emit a label that marks the beginning of a data
- /// region.
- /// On ELF targets, this corresponds to an assembler statement such as:
- /// $d.1:
- virtual void EmitDataRegion();
-
- /// EmitJumpTable8Region - Emit a label that marks the beginning of a
- /// jump table composed of 8-bit offsets.
- /// On ELF targets, this corresponds to an assembler statement such as:
- /// $d.1:
- virtual void EmitJumpTable8Region();
-
- /// EmitJumpTable16Region - Emit a label that marks the beginning of a
- /// jump table composed of 16-bit offsets.
- /// On ELF targets, this corresponds to an assembler statement such as:
- /// $d.1:
- virtual void EmitJumpTable16Region();
-
- /// EmitJumpTable32Region - Emit a label that marks the beginning of a
- /// jump table composed of 32-bit offsets.
- /// On ELF targets, this corresponds to an assembler statement such as:
- /// $d.1:
- virtual void EmitJumpTable32Region();
-
- /// EmitCodeRegion - Emit a label that marks the beginning of a code
- /// region.
- /// On ELF targets, this corresponds to an assembler statement such as:
- /// $a.1:
- virtual void EmitCodeRegion();
-
- /// ForceCodeRegion - Forcibly sets the current region mode to code. Used
- /// at function entry points.
- void ForceCodeRegion() { RegionIndicator = Code; }
-
-
virtual void EmitEHSymAttributes(const MCSymbol *Symbol,
MCSymbol *EHSymbol);
- /// EmitAssemblerFlag - Note in the output the specified @p Flag
+ /// EmitAssemblerFlag - Note in the output the specified @p Flag.
virtual void EmitAssemblerFlag(MCAssemblerFlag Flag) = 0;
+ /// EmitDataRegion - Note in the output the specified region @p Kind.
+ virtual void EmitDataRegion(MCDataRegionType Kind) {}
+
/// EmitThumbFunc - Note in the output that the specified @p Func is
/// a Thumb mode function (ARM target only).
virtual void EmitThumbFunc(MCSymbol *Func) = 0;
/// @param ByteAlignment - The alignment of the zerofill symbol if
/// non-zero. This must be a power of 2 on some targets.
virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
- unsigned Size = 0,unsigned ByteAlignment = 0) = 0;
+ uint64_t Size = 0,unsigned ByteAlignment = 0) = 0;
/// EmitTBSSSymbol - Emit a thread local bss (.tbss) symbol.
///
void EmitSymbolValue(const MCSymbol *Sym, unsigned Size,
unsigned AddrSpace = 0);
+ /// EmitGPRel64Value - Emit the expression @p Value into the output as a
+ /// gprel64 (64-bit GP relative) value.
+ ///
+ /// This is used to implement assembler directives such as .gpdword on
+ /// targets that support them.
+ virtual void EmitGPRel64Value(const MCExpr *Value);
+
/// EmitGPRel32Value - Emit the expression @p Value into the output as a
/// gprel32 (32-bit GP relative) value.
///
///
/// \param ShowInst - Whether to show the MCInst representation inline with
/// the assembly.
- ///
- /// \param DecodeLSDA - If true, emit comments that translates the LSDA into a
- /// human readable format. Only usable with CFI.
MCStreamer *createAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
bool isVerboseAsm,
bool useLoc,