lib/Target/PowerPC/PPC.h

//===-- PPC.h - Top-level interface for PowerPC Target ----------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the entry points for global functions defined in the LLVM
// PowerPC back-end.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TARGET_POWERPC_H
#define LLVM_TARGET_POWERPC_H

// GCC #defines PPC on Linux but we use it as our namespace name
#undef PPC

namespace llvm {
  class PPCTargetMachine;
  class FunctionPass;
  class formatted_raw_ostream;
  class JITCodeEmitter;
  class Target;
  class MachineInstr;
  class MCInst;
  class AsmPrinter;
  
FunctionPass *createPPCBranchSelectionPass();
FunctionPass *createPPCISelDag(PPCTargetMachine &TM);
FunctionPass *createPPCJITCodeEmitterPass(PPCTargetMachine &TM,
                                          JITCodeEmitter &MCE);

void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
                                  AsmPrinter &AP);

extern Target ThePPC32Target;
extern Target ThePPC64Target;

  namespace PPCII {
    
  /// Target Operand Flag enum.
  enum TOF {
    //===------------------------------------------------------------------===//
    // PPC Specific MachineOperand flags.
    MO_NO_FLAG,
    
    /// MO_DARWIN_STUB - On a symbol operand "FOO", this indicates that the
    /// reference is actually to the "FOO$stub" symbol.  This is used for calls
    /// and jumps to external functions on Tiger and earlier.
    MO_DARWIN_STUB,
    
    /// MO_LO16 - On a symbol operand, this represents a relocation containing
    /// lower 16 bit of the address.
    MO_LO16,
    
    /// MO_HA16 - On a symbol operand, this represents a relocation containing
    /// higher 16 bit of the address.
    MO_HA16,

    /// MO_LO16_PIC - On a symbol operand, this represents a relocation
    /// containing lower 16 bit of the address with the picbase subtracted.
    MO_LO16_PIC,
    
    /// MO_HA16_PIC - On a symbol operand, this represents a relocation
    /// containing higher 16 bit of the address with the picbase subtracted.
    MO_HA16_PIC
  };
  } // end namespace PPCII
  
} // end namespace llvm;

// Defines symbolic names for PowerPC registers.  This defines a mapping from
// register name to register number.
//
#include "PPCGenRegisterNames.inc"

// Defines symbolic names for the PowerPC instructions.
//
#include "PPCGenInstrNames.inc"

#endif