llvm-6502/include/llvm/MC/MCMachObjectWriter.h
2010-12-21 15:26:45 +00:00

66 lines
1.9 KiB
C++

//===-- llvm/MC/MCMachObjectWriter.h - Mach Object Writer -------*- 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_MCMACHOBJECTWRITER_H
#define LLVM_MC_MCMACHOBJECTWRITER_H
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/Support/DataTypes.h"
namespace llvm {
class MCMachObjectTargetWriter {
const unsigned Is64Bit : 1;
const uint32_t CPUType;
const uint32_t CPUSubtype;
// FIXME: Remove this, we should just always use it once we no longer care
// about Darwin 'as' compatibility.
const unsigned UseAggressiveSymbolFolding : 1;
unsigned LocalDifference_RIT;
protected:
MCMachObjectTargetWriter(bool Is64Bit_, uint32_t CPUType_,
uint32_t CPUSubtype_,
bool UseAggressiveSymbolFolding_ = false);
void setLocalDifferenceRelocationType(unsigned Type) {
LocalDifference_RIT = Type;
}
public:
virtual ~MCMachObjectTargetWriter();
/// @name Accessors
/// @{
bool is64Bit() const { return Is64Bit; }
bool useAggressiveSymbolFolding() const { return UseAggressiveSymbolFolding; }
uint32_t getCPUType() const { return CPUType; }
uint32_t getCPUSubtype() const { return CPUSubtype; }
unsigned getLocalDifferenceRelocationType() const {
return LocalDifference_RIT;
}
/// @}
};
/// \brief Construct a new Mach-O writer instance.
///
/// This routine takes ownership of the target writer subclass.
///
/// \param MOTW - The target specific Mach-O writer subclass.
/// \param OS - The stream to write to.
/// \returns The constructed object writer.
MCObjectWriter *createMachObjectWriter(MCMachObjectTargetWriter *MOTW,
raw_ostream &OS, bool IsLittleEndian);
} // End llvm namespace
#endif