LLVM API Documentation

PIC16TargetAsmInfo.cpp

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00001 //===-- PIC16TargetAsmInfo.cpp - PIC16 asm properties ---------------------===//
00002 //
00003 //                     The LLVM Compiler Infrastructure
00004 //
00005 // This file is distributed under the University of Illinois Open Source 
00006 // License. See LICENSE.TXT for details.
00007 //
00008 //===----------------------------------------------------------------------===//
00009 //
00010 // This file contains the declarations of the PIC16TargetAsmInfo properties.
00011 //
00012 //===----------------------------------------------------------------------===//
00013 
00014 #include "PIC16TargetAsmInfo.h"
00015 #include "PIC16TargetMachine.h"
00016 #include "llvm/GlobalValue.h"
00017 
00018 using namespace llvm;
00019 
00020 PIC16TargetAsmInfo::
00021 PIC16TargetAsmInfo(const PIC16TargetMachine &TM) 
00022   : TargetAsmInfo(TM) {
00023   CommentString = ";";
00024   Data8bitsDirective = " db ";
00025   Data16bitsDirective = " dw ";
00026   Data32bitsDirective = " dl ";
00027   RomData8bitsDirective = " dw ";
00028   RomData16bitsDirective = " rom_di ";
00029   RomData32bitsDirective = " rom_dl ";
00030   ZeroDirective = NULL;
00031   AsciiDirective = " dt ";
00032   AscizDirective = NULL;
00033   BSSSection_  = getNamedSection("udata.# UDATA",
00034                               SectionFlags::Writeable | SectionFlags::BSS);
00035   ReadOnlySection = getNamedSection("romdata.# ROMDATA", SectionFlags::None);
00036   DataSection = getNamedSection("idata.# IDATA", SectionFlags::Writeable);
00037   SwitchToSectionDirective = "";
00038 }
00039 
00040 const char *PIC16TargetAsmInfo::getRomDirective(unsigned size) const
00041 {
00042   if (size == 8)
00043     return RomData8bitsDirective;
00044   else if (size == 16)
00045     return RomData16bitsDirective;
00046   else if (size == 32)
00047     return RomData32bitsDirective;
00048   else
00049     return NULL;
00050 }
00051 
00052 
00053 const char *PIC16TargetAsmInfo::getASDirective(unsigned size, 
00054                                                unsigned AS) const {
00055   if (AS == PIC16ISD::ROM_SPACE)
00056     return getRomDirective(size);
00057   else
00058     return NULL;
00059 }
00060