llvm-6502/lib/Target/PIC16/PIC16TargetAsmInfo.cpp

//===-- PIC16TargetAsmInfo.cpp - PIC16 asm properties ---------------------===//
//
//                     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 declarations of the PIC16TargetAsmInfo properties.
//
//===----------------------------------------------------------------------===//

#include "PIC16TargetAsmInfo.h"
#include "PIC16TargetMachine.h"
#include "llvm/GlobalValue.h"

using namespace llvm;

PIC16TargetAsmInfo::
PIC16TargetAsmInfo(const PIC16TargetMachine &TM) 
  : TargetAsmInfo(TM) {
  CommentString = ";";
  Data8bitsDirective = " db ";
  Data16bitsDirective = " dw ";
  Data32bitsDirective = " dl ";
  RomData8bitsDirective = " dw ";
  RomData16bitsDirective = " rom_di ";
  RomData32bitsDirective = " rom_dl ";
  ZeroDirective = NULL;
  AsciiDirective = " dt ";
  AscizDirective = NULL;
  BSSSection_  = getNamedSection("udata.# UDATA",
                              SectionFlags::Writeable | SectionFlags::BSS);
  ReadOnlySection = getNamedSection("romdata.# ROMDATA", SectionFlags::None);
  DataSection = getNamedSection("idata.# IDATA", SectionFlags::Writeable);
  SwitchToSectionDirective = "";
  // Need because otherwise a .text symbol is emitted by DwarfWriter
  // in BeginModule, and gpasm cribbs for that .text symbol.
  TextSection = getUnnamedSection("", SectionFlags::Code);
}

const char *PIC16TargetAsmInfo::getRomDirective(unsigned size) const
{
  if (size == 8)
    return RomData8bitsDirective;
  else if (size == 16)
    return RomData16bitsDirective;
  else if (size == 32)
    return RomData32bitsDirective;
  else
    return NULL;
}


const char *PIC16TargetAsmInfo::getASDirective(unsigned size, 
                                               unsigned AS) const {
  if (AS == PIC16ISD::ROM_SPACE)
    return getRomDirective(size);
  else
    return NULL;
}