mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
89b9372605
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121471 91177308-0d34-0410-b5e6-96231b3b80d8
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
//===- MCObjectStreamer.h - MCStreamer 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_MCOBJECTSTREAMER_H
|
|
#define LLVM_MC_MCOBJECTSTREAMER_H
|
|
|
|
#include "llvm/MC/MCStreamer.h"
|
|
|
|
namespace llvm {
|
|
class MCAssembler;
|
|
class MCCodeEmitter;
|
|
class MCSectionData;
|
|
class MCExpr;
|
|
class MCFragment;
|
|
class MCDataFragment;
|
|
class TargetAsmBackend;
|
|
class raw_ostream;
|
|
|
|
/// \brief Streaming object file generation interface.
|
|
///
|
|
/// This class provides an implementation of the MCStreamer interface which is
|
|
/// suitable for use with the assembler backend. Specific object file formats
|
|
/// are expected to subclass this interface to implement directives specific
|
|
/// to that file format or custom semantics expected by the object writer
|
|
/// implementation.
|
|
class MCObjectStreamer : public MCStreamer {
|
|
MCAssembler *Assembler;
|
|
MCSectionData *CurSectionData;
|
|
|
|
virtual void EmitInstToData(const MCInst &Inst) = 0;
|
|
|
|
protected:
|
|
MCObjectStreamer(MCContext &Context, TargetAsmBackend &TAB,
|
|
raw_ostream &_OS, MCCodeEmitter *_Emitter);
|
|
~MCObjectStreamer();
|
|
|
|
MCSectionData *getCurrentSectionData() const {
|
|
return CurSectionData;
|
|
}
|
|
|
|
MCFragment *getCurrentFragment() const;
|
|
|
|
/// Get a data fragment to write into, creating a new one if the current
|
|
/// fragment is not a data fragment.
|
|
MCDataFragment *getOrCreateDataFragment() const;
|
|
|
|
const MCExpr *AddValueSymbols(const MCExpr *Value);
|
|
|
|
public:
|
|
MCAssembler &getAssembler() { return *Assembler; }
|
|
|
|
/// @name MCStreamer Interface
|
|
/// @{
|
|
|
|
virtual void EmitLabel(MCSymbol *Symbol);
|
|
virtual void EmitValueImpl(const MCExpr *Value, unsigned Size,
|
|
bool isPCRel, unsigned AddrSpace);
|
|
virtual void EmitULEB128Value(const MCExpr *Value, unsigned AddrSpace = 0);
|
|
virtual void EmitSLEB128Value(const MCExpr *Value, unsigned AddrSpace = 0);
|
|
virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol);
|
|
virtual void SwitchSection(const MCSection *Section);
|
|
virtual void EmitInstruction(const MCInst &Inst);
|
|
virtual void EmitInstToFragment(const MCInst &Inst);
|
|
virtual void EmitValueToOffset(const MCExpr *Offset, unsigned char Value);
|
|
virtual void EmitDwarfAdvanceLineAddr(int64_t LineDelta,
|
|
const MCSymbol *LastLabel,
|
|
const MCSymbol *Label);
|
|
virtual void Finish();
|
|
|
|
/// @}
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif
|