#ifndef LLVM_MC_MCOBJECTWRITER_H
#define LLVM_MC_MCOBJECTWRITER_H
-#include "llvm/ADT/Triple.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/Compiler.h"
#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/raw_ostream.h"
#include <cassert>
namespace llvm {
class MCAssembler;
class MCFixup;
class MCFragment;
-class MCSymbol;
class MCSymbolData;
class MCSymbolRefExpr;
class MCValue;
-class raw_ostream;
/// MCObjectWriter - Defines the object file and target independent interfaces
/// used by the assembler backend to write native file format object files.
/// The object writer also contains a number of helper methods for writing
/// binary data to the output stream.
class MCObjectWriter {
- MCObjectWriter(const MCObjectWriter &); // DO NOT IMPLEMENT
- void operator=(const MCObjectWriter &); // DO NOT IMPLEMENT
+ MCObjectWriter(const MCObjectWriter &) LLVM_DELETED_FUNCTION;
+ void operator=(const MCObjectWriter &) LLVM_DELETED_FUNCTION;
protected:
raw_ostream &OS;
public:
virtual ~MCObjectWriter();
+ /// lifetime management
+ virtual void reset() { }
+
bool isLittleEndian() const { return IsLittleEndian; }
raw_ostream &getStream() { return OS; }
/// @name High-Level API
/// @{
- /// Perform any late binding of symbols (for example, to assign symbol indices
- /// for use when generating relocations).
+ /// \brief Perform any late binding of symbols (for example, to assign symbol
+ /// indices for use when generating relocations).
///
/// This routine is called by the assembler after layout and relaxation is
/// complete.
virtual void ExecutePostLayoutBinding(MCAssembler &Asm,
const MCAsmLayout &Layout) = 0;
- /// Record a relocation entry.
+ /// \brief Record a relocation entry.
///
/// This routine is called by the assembler after layout and relaxation, and
/// post layout binding. The implementation is responsible for storing
bool InSet,
bool IsPCRel) const;
-
- /// Write the object file.
+ /// \brief Write the object file.
///
/// This routine is called by the assembler after layout and relaxation is
/// complete, fixups have been evaluated and applied, and relocations
OS << StringRef(Zeros, N % 16);
}
+ void WriteBytes(const SmallVectorImpl<char> &ByteVec, unsigned ZeroFillSize = 0) {
+ WriteBytes(StringRef(ByteVec.data(), ByteVec.size()), ZeroFillSize);
+ }
+
void WriteBytes(StringRef Str, unsigned ZeroFillSize = 0) {
+ // TODO: this version may need to go away once all fragment contents are
+ // converted to SmallVector<char, N>
assert((ZeroFillSize == 0 || Str.size () <= ZeroFillSize) &&
"data size greater than fill size, unexpected large write will occur");
OS << Str;
/// @}
- /// Utility function to encode a SLEB128 value.
- static void EncodeSLEB128(int64_t Value, raw_ostream &OS);
- /// Utility function to encode a ULEB128 value.
- static void EncodeULEB128(uint64_t Value, raw_ostream &OS);
};
-MCObjectWriter *createWinCOFFObjectWriter(raw_ostream &OS, bool is64Bit);
-
} // End llvm namespace
#endif