1 //===- MCObjectStreamer.h - MCStreamer Object File Interface ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_MC_MCOBJECTSTREAMER_H
11 #define LLVM_MC_MCOBJECTSTREAMER_H
13 #include "llvm/MC/MCStreamer.h"
22 class TargetAsmBackend;
25 /// \brief Streaming object file generation interface.
27 /// This class provides an implementation of the MCStreamer interface which is
28 /// suitable for use with the assembler backend. Specific object file formats
29 /// are expected to subclass this interface to implement directives specific
30 /// to that file format or custom semantics expected by the object writer
32 class MCObjectStreamer : public MCStreamer {
33 MCAssembler *Assembler;
34 MCSectionData *CurSectionData;
37 MCObjectStreamer(MCContext &Context, TargetAsmBackend &TAB,
38 raw_ostream &_OS, MCCodeEmitter *_Emitter,
39 bool _PadSectionToAlignment);
42 MCSectionData *getCurrentSectionData() const {
43 return CurSectionData;
46 MCFragment *getCurrentFragment() const;
48 /// Get a data fragment to write into, creating a new one if the current
49 /// fragment is not a data fragment.
50 MCDataFragment *getOrCreateDataFragment() const;
52 const MCExpr *AddValueSymbols(const MCExpr *Value);
55 MCAssembler &getAssembler() { return *Assembler; }
57 /// @name MCStreamer Interface
60 virtual void SwitchSection(const MCSection *Section);
61 virtual void Finish();
66 } // end namespace llvm