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ARM/ELF: Better codegen for global variable addresses.
[oota-llvm.git]
/
include
/
llvm
/
MC
/
MCELFStreamer.h
diff --git
a/include/llvm/MC/MCELFStreamer.h
b/include/llvm/MC/MCELFStreamer.h
index 23cc2e36a1a0c08cff06e36c61c9d5a062a4cc2e..2f3d49e3aca5f3feae390d96e3e49f7532430d72 100644
(file)
--- a/
include/llvm/MC/MCELFStreamer.h
+++ b/
include/llvm/MC/MCELFStreamer.h
@@
-23,32
+23,30
@@
class MCAssembler;
class MCCodeEmitter;
class MCExpr;
class MCInst;
class MCCodeEmitter;
class MCExpr;
class MCInst;
-class MCSymbol;
-class MCSymbolData;
class raw_ostream;
class MCELFStreamer : public MCObjectStreamer {
public:
class raw_ostream;
class MCELFStreamer : public MCObjectStreamer {
public:
- MCELFStreamer(MCContext &Context, MCAsmBackend &TAB, raw_
o
stream &OS,
+ MCELFStreamer(MCContext &Context, MCAsmBackend &TAB, raw_
pwrite_
stream &OS,
MCCodeEmitter *Emitter)
MCCodeEmitter *Emitter)
- : MCObjectStreamer(Context, TAB, OS, Emitter),
- SeenIdent(false) {}
+ : MCObjectStreamer(Context, TAB, OS, Emitter), SeenIdent(false) {}
- MCELFStreamer(MCContext &Context, MCAsmBackend &TAB, raw_ostream &OS,
- MCCodeEmitter *Emitter, MCAssembler *Assembler)
- : MCObjectStreamer(Context, TAB, OS, Emitter, Assembler),
- SeenIdent(false) {}
+ ~MCELFStreamer() override;
- virtual ~MCELFStreamer();
+ /// state management
+ void reset() override {
+ SeenIdent = false;
+ LocalCommons.clear();
+ BundleGroups.clear();
+ MCObjectStreamer::reset();
+ }
- ///
@
name MCStreamer Interface
+ ///
\
name MCStreamer Interface
/// @{
/// @{
- void InitSections() override;
- void ChangeSection(const MCSection *Section,
- const MCExpr *Subsection) override;
+ void InitSections(bool NoExecStack) override;
+ void ChangeSection(MCSection *Section, const MCExpr *Subsection) override;
void EmitLabel(MCSymbol *Symbol) override;
void EmitLabel(MCSymbol *Symbol) override;
- void EmitDebugLabel(MCSymbol *Symbol) override;
void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
void EmitThumbFunc(MCSymbol *Func) override;
void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override;
void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
void EmitThumbFunc(MCSymbol *Func) override;
void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override;
@@
-61,18
+59,17
@@
public:
void EmitCOFFSymbolType(int Type) override;
void EndCOFFSymbolDef() override;
void EmitCOFFSymbolType(int Type) override;
void EndCOFFSymbolDef() override;
- MCSymbolData &getOrCreateSymbolData(MCSymbol *Symbol) override;
-
- void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) override;
+ void emitELFSize(MCSymbolELF *Symbol, const MCExpr *Value) override;
void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) override;
void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) override;
- void EmitZerofill(
const MCSection *Section, MCSymbol *Symbol = 0
,
+ void EmitZerofill(
MCSection *Section, MCSymbol *Symbol = nullptr
,
uint64_t Size = 0, unsigned ByteAlignment = 0) override;
uint64_t Size = 0, unsigned ByteAlignment = 0) override;
- void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
- uint64_t Size, unsigned ByteAlignment = 0) override;
- void EmitValueImpl(const MCExpr *Value, unsigned Size) override;
+ void EmitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
+ unsigned ByteAlignment = 0) override;
+ void EmitValueImpl(const MCExpr *Value, unsigned Size,
+ SMLoc Loc = SMLoc()) override;
void EmitFileDirective(StringRef Filename) override;
void EmitFileDirective(StringRef Filename) override;
@@
-89,27
+86,33
@@
public:
void EmitBundleUnlock() override;
private:
void EmitBundleUnlock() override;
private:
+ bool isBundleLocked() const;
void EmitInstToFragment(const MCInst &Inst, const MCSubtargetInfo &) override;
void EmitInstToData(const MCInst &Inst, const MCSubtargetInfo &) override;
void fixSymbolsInTLSFixups(const MCExpr *expr);
void EmitInstToFragment(const MCInst &Inst, const MCSubtargetInfo &) override;
void EmitInstToData(const MCInst &Inst, const MCSubtargetInfo &) override;
void fixSymbolsInTLSFixups(const MCExpr *expr);
+ /// \brief Merge the content of the fragment \p EF into the fragment \p DF.
+ void mergeFragment(MCDataFragment *, MCDataFragment *);
+
bool SeenIdent;
struct LocalCommon {
bool SeenIdent;
struct LocalCommon {
-
MCSymbolData *SD
;
+
const MCSymbol *Symbol
;
uint64_t Size;
unsigned ByteAlignment;
};
std::vector<LocalCommon> LocalCommons;
uint64_t Size;
unsigned ByteAlignment;
};
std::vector<LocalCommon> LocalCommons;
- SmallPtrSet<MCSymbol *, 16> BindingExplicitlySet;
+ /// BundleGroups - The stack of fragments holding the bundle-locked
+ /// instructions.
+ llvm::SmallVector<MCDataFragment *, 4> BundleGroups;
};
MCELFStreamer *createARMELFStreamer(MCContext &Context, MCAsmBackend &TAB,
};
MCELFStreamer *createARMELFStreamer(MCContext &Context, MCAsmBackend &TAB,
- raw_
ostream &OS, MCCodeEmitter *Emitter
,
-
bool RelaxAll, bool NoExecStack
,
+ raw_
pwrite_stream &OS
,
+
MCCodeEmitter *Emitter, bool RelaxAll
,
bool IsThumb);
} // end namespace llvm
bool IsThumb);
} // end namespace llvm