/usr/include/llvm-3.9/llvm/MC/MCELFStreamer.h is in llvm-3.9-dev 1:3.9.1-19ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | //===- MCELFStreamer.h - MCStreamer ELF Object File Interface ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCELFSTREAMER_H
#define LLVM_MC_MCELFSTREAMER_H
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/MC/MCDirectives.h"
#include "llvm/MC/MCObjectStreamer.h"
#include "llvm/MC/SectionKind.h"
#include "llvm/Support/DataTypes.h"
namespace llvm {
class MCAsmBackend;
class MCAssembler;
class MCCodeEmitter;
class MCExpr;
class MCInst;
class raw_ostream;
class MCELFStreamer : public MCObjectStreamer {
public:
MCELFStreamer(MCContext &Context, MCAsmBackend &TAB, raw_pwrite_stream &OS,
MCCodeEmitter *Emitter)
: MCObjectStreamer(Context, TAB, OS, Emitter), SeenIdent(false) {}
~MCELFStreamer() override;
/// state management
void reset() override {
SeenIdent = false;
BundleGroups.clear();
MCObjectStreamer::reset();
}
/// \name MCStreamer Interface
/// @{
void InitSections(bool NoExecStack) override;
void ChangeSection(MCSection *Section, const MCExpr *Subsection) override;
void EmitLabel(MCSymbol *Symbol) override;
void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
void EmitThumbFunc(MCSymbol *Func) override;
void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override;
bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override;
void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) override;
void BeginCOFFSymbolDef(const MCSymbol *Symbol) override;
void EmitCOFFSymbolStorageClass(int StorageClass) override;
void EmitCOFFSymbolType(int Type) override;
void EndCOFFSymbolDef() override;
void emitELFSize(MCSymbolELF *Symbol, const MCExpr *Value) override;
void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) override;
void EmitZerofill(MCSection *Section, MCSymbol *Symbol = nullptr,
uint64_t Size = 0, unsigned ByteAlignment = 0) 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 EmitIdent(StringRef IdentString) override;
void EmitValueToAlignment(unsigned, int64_t, unsigned, unsigned) override;
void FinishImpl() override;
void EmitBundleAlignMode(unsigned AlignPow2) override;
void EmitBundleLock(bool AlignToEnd) override;
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);
/// \brief Merge the content of the fragment \p EF into the fragment \p DF.
void mergeFragment(MCDataFragment *, MCDataFragment *);
bool SeenIdent;
/// BundleGroups - The stack of fragments holding the bundle-locked
/// instructions.
llvm::SmallVector<MCDataFragment *, 4> BundleGroups;
};
MCELFStreamer *createARMELFStreamer(MCContext &Context, MCAsmBackend &TAB,
raw_pwrite_stream &OS,
MCCodeEmitter *Emitter, bool RelaxAll,
bool IsThumb);
} // end namespace llvm
#endif
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