#define LLVM_MC_MCOBJECTWRITER_H
#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/DataTypes.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/DataTypes.h"
#include <cassert>
namespace llvm {
class MCAssembler;
class MCFixup;
class MCFragment;
+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;
///
/// This routine is called by the assembler after layout and relaxation is
/// complete.
- virtual void ExecutePostLayoutBinding(MCAssembler &Asm) = 0;
+ virtual void ExecutePostLayoutBinding(MCAssembler &Asm,
+ const MCAsmLayout &Layout) = 0;
/// Record a relocation entry.
///
const MCFixup &Fixup, MCValue Target,
uint64_t &FixedValue) = 0;
- /// Check if a fixup is fully resolved.
+ /// \brief Check whether the difference (A - B) between two symbol
+ /// references is fully resolved.
///
- /// This routine is used by the assembler to let the file format decide
- /// if a fixup is not fully resolved. For example, one that crosses
- /// two sections on ELF.
- virtual bool IsFixupFullyResolved(const MCAssembler &Asm,
- const MCValue Target,
- bool IsPCRel,
- const MCFragment *DF) const = 0;
+ /// Clients are not required to answer precisely and may conservatively return
+ /// false, even when a difference is fully resolved.
+ bool
+ IsSymbolRefDifferenceFullyResolved(const MCAssembler &Asm,
+ const MCSymbolRefExpr *A,
+ const MCSymbolRefExpr *B,
+ bool InSet) const;
+
+ virtual bool
+ IsSymbolRefDifferenceFullyResolvedImpl(const MCAssembler &Asm,
+ const MCSymbolData &DataA,
+ const MCFragment &FB,
+ bool InSet,
+ bool IsPCRel) const;
+
/// 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
/// generated.
- virtual void WriteObject(const MCAssembler &Asm,
+ virtual void WriteObject(MCAssembler &Asm,
const MCAsmLayout &Layout) = 0;
/// @}
}
/// @}
-};
-MCObjectWriter *createWinCOFFObjectWriter(raw_ostream &OS, bool is64Bit);
+};
} // End llvm namespace