#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCDirectives.h"
#include "llvm/MC/MCDwarf.h"
+#include "llvm/MC/MCLinkerOptimizationHint.h"
#include "llvm/MC/MCWin64EH.h"
#include "llvm/Support/DataTypes.h"
#include <string>
MCTargetStreamer(MCStreamer &S);
virtual ~MCTargetStreamer();
+ const MCStreamer &getStreamer() { return Streamer; }
+
// Allow a target to add behavior to the EmitLabel of MCStreamer.
virtual void emitLabel(MCSymbol *Symbol);
+ // Allow a target to add behavior to the emitAssignment of MCStreamer.
+ virtual void emitAssignment(MCSymbol *Symbol, const MCExpr *Value);
virtual void finish();
};
virtual void AnnotateTLSDescriptorSequence(const MCSymbolRefExpr *SRE);
- virtual void finish();
+ void finish() override;
/// Callback used to implement the ldr= pseudo.
/// Add a new entry to the constant pool for the current section and return an
void emitCurrentConstantPool();
private:
-
OwningPtr<AssemblerConstantPools> ConstantPools;
+
std::unique_ptr<AssemblerConstantPools> ConstantPools;
};
/// MCStreamer - Streaming machine code generation interface. This interface
///
class MCStreamer {
MCContext &Context;
- OwningPtr<MCTargetStreamer> TargetStreamer;
+ std::unique_ptr<MCTargetStreamer> TargetStreamer;
MCStreamer(const MCStreamer &) LLVM_DELETED_FUNCTION;
MCStreamer &operator=(const MCStreamer &) LLVM_DELETED_FUNCTION;
/// unformatted text to the .s file with EmitRawText.
virtual bool hasRawTextSupport() const { return false; }
+ /// Is the integrated assembler required for this streamer to function
+ /// correctly?
+ virtual bool isIntegratedAssemblerRequired() const { return false; }
+
/// AddComment - Add a comment that can be emitted to the generated .s
/// file if applicable as a QoI issue to make the output of the compiler
/// more readable. This only affects the MCAsmStreamer, and only when
/// @p Section. This is required to update CurSection.
///
/// This corresponds to assembler directives like .section, .text, etc.
- void SwitchSection(const MCSection *Section, const MCExpr *Subsection = 0) {
+ void SwitchSection(const MCSection *Section,
+ const MCExpr *Subsection = nullptr) {
assert(Section && "Cannot switch to a null section!");
MCSectionSubPair curSection = SectionStack.back().first;
SectionStack.back().second = curSection;
/// emitted to @p Section. This is required to update CurSection. This
/// version does not call ChangeSection.
void SwitchSectionNoChange(const MCSection *Section,
- const MCExpr *Subsection = 0) {
+ const MCExpr *Subsection = nullptr) {
assert(Section && "Cannot switch to a null section!");
MCSectionSubPair curSection = SectionStack.back().first;
SectionStack.back().second = curSection;
}
/// Create the default sections and set the initial one.
- ///
- /// @param Force - If false, a text streamer implementation can be a nop.
- /// Used by CodeGen to avoid starting every file with '.text'.
- virtual void InitSections(bool Force = true);
+ virtual void InitSections();
/// AssignSection - Sets the symbol's section.
///
/// EmitDataRegion - Note in the output the specified region @p Kind.
virtual void EmitDataRegion(MCDataRegionType Kind) {}
+ /// EmitVersionMin - Specify the MachO minimum deployment target version.
+ virtual void EmitVersionMin(MCVersionMinType, unsigned Major, unsigned Minor,
+ unsigned Update) {}
+
/// EmitThumbFunc - Note in the output that the specified @p Func is
/// a Thumb mode function (ARM target only).
virtual void EmitThumbFunc(MCSymbol *Func) = 0;
/// getOrCreateSymbolData - Get symbol data for given symbol.
- virtual MCSymbolData &getOrCreateSymbolData(MCSymbol *Symbol);
+ virtual MCSymbolData &getOrCreateSymbolData(const MCSymbol *Symbol);
/// EmitAssignment - Emit an assignment of @p Value to @p Symbol.
///
///
/// @param Symbol - The symbol being assigned to.
/// @param Value - The value for the symbol.
- virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) = 0;
+ virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value);
/// EmitWeakReference - Emit an weak reference from @p Alias to @p Symbol.
///
///
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) = 0;
+ /// \brief Emit a Linker Optimization Hint (LOH) directive.
+ /// \param Args - Arguments of the LOH.
+ virtual void EmitLOHDirective(MCLOHType Kind, const MCLOHArgs &Args) {}
+
/// EmitCommonSymbol - Emit a common symbol.
///
/// @param Symbol - The common symbol to emit.
/// @param Size - The size of the zerofill symbol.
/// @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,
- uint64_t Size = 0, unsigned ByteAlignment = 0) = 0;
+ virtual void EmitZerofill(const MCSection *Section,
+ MCSymbol *Symbol = nullptr, uint64_t Size = 0,
+ unsigned ByteAlignment = 0) = 0;
/// EmitTBSSSymbol - Emit a thread local bss (.tbss) symbol.
///
/// EmitDwarfFileDirective - Associate a filename with a specified logical
/// file number. This implements the DWARF2 '.file 4 "foo.c"' assembler
/// directive.
- virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
- StringRef Filename, unsigned CUID = 0);
+ virtual unsigned EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
+ StringRef Filename,
+ unsigned CUID = 0);
/// EmitDwarfLocDirective - This implements the DWARF2
// '.loc fileno lineno ...' assembler directive.
virtual void EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
const MCSymbol *Label) {}
+ virtual MCSymbol *getDwarfLineTableSymbol(unsigned CUID);
+
void EmitDwarfSetLineAddr(int64_t LineDelta, const MCSymbol *Label,
int PointerSize);
/// Takes ownership of \p TAB and \p CE.
MCStreamer *createMachOStreamer(MCContext &Ctx, MCAsmBackend &TAB,
raw_ostream &OS, MCCodeEmitter *CE,
- bool RelaxAll = false);
+ bool RelaxAll = false,
+ bool LabelSections = false);
/// createWinCOFFStreamer - Create a machine code streamer which will
/// generate Microsoft COFF format object files.
raw_ostream &OS, MCCodeEmitter *CE, bool RelaxAll,
bool NoExecStack);
-/// createPureStreamer - Create a machine code streamer which will generate
-/// "pure" MC object files, for use with MC-JIT and testing tools.
-///
-/// Takes ownership of \p TAB and \p CE.
-MCStreamer *createPureStreamer(MCContext &Ctx, MCAsmBackend &TAB,
- raw_ostream &OS, MCCodeEmitter *CE);
-
} // end namespace llvm
#endif
projects / oota-llvm.git / blobdiff