lib/Target/PowerPC/PPCMCAsmInfo.cpp

   1 //===-- PPCMCAsmInfo.cpp - PPC asm properties -------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file contains the declarations of the MCAsmInfoDarwin properties.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "PPCMCAsmInfo.h"
  15 using namespace llvm;
  16
  17 PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit) {
  18   PCSymbol = ".";
  19   CommentString = ";";
  20   ExceptionsType = ExceptionHandling::DwarfCFI;
  21
  22   if (!is64Bit)
  23     Data64bitsDirective = 0;      // We can't emit a 64-bit unit in PPC32 mode.
  24
  25   AssemblerDialect = 1;           // New-Style mnemonics.
  26   SupportsDebugInformation= true; // Debug information.
  27 }
  28
  29 PPCLinuxMCAsmInfo::PPCLinuxMCAsmInfo(bool is64Bit) {
  30   // ".comm align is in bytes but .align is pow-2."
  31   AlignmentIsInBytes = false;
  32
  33   CommentString = "#";
  34   GlobalPrefix = "";
  35   PrivateGlobalPrefix = ".L";
  36   WeakRefDirective = "\t.weak\t";
  37
  38   // Uses '.section' before '.bss' directive
  39   UsesELFSectionDirectiveForBSS = true;
  40
  41   // Debug Information
  42   SupportsDebugInformation = true;
  43
  44   PCSymbol = ".";
  45
  46   // Set up DWARF directives
  47   HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
  48
  49   // Exceptions handling
  50   if (!is64Bit)
  51     ExceptionsType = ExceptionHandling::DwarfCFI;
  52
  53   ZeroDirective = "\t.space\t";
  54   Data64bitsDirective = is64Bit ? "\t.quad\t" : 0;
  55   HasLCOMMDirective = true;
  56   AssemblerDialect = 0;           // Old-Style mnemonics.
  57 }
  58