lib/MC/MCAsmInfoDarwin.cpp

   1 //===-- MCAsmInfoDarwin.cpp - Darwin 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 defines target asm properties related what form asm statements
  11 // should take in general on Darwin-based targets
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "llvm/MC/MCAsmInfoDarwin.h"
  16 using namespace llvm;
  17
  18 MCAsmInfoDarwin::MCAsmInfoDarwin() {
  19   // Common settings for all Darwin targets.
  20   // Syntax:
  21   GlobalPrefix = "_";
  22   PrivateGlobalPrefix = "L";
  23   LinkerPrivateGlobalPrefix = "l";  // Marker for some ObjC metadata
  24   NeedsSet = true;
  25   NeedsIndirectEncoding = true;
  26   AllowQuotesInName = true;
  27   HasSingleParameterDotFile = false;
  28
  29   AlignmentIsInBytes = false;
  30   InlineAsmStart = " InlineAsm Start";
  31   InlineAsmEnd = " InlineAsm End";
  32
  33   // Directives:
  34   WeakDefDirective = "\t.weak_definition ";
  35   WeakRefDirective = "\t.weak_reference ";
  36   HiddenDirective = "\t.private_extern ";
  37   LCOMMDirective = "\t.lcomm\t";
  38   ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
  39   ZeroFillDirective = "\t.zerofill\t";  // Uses .zerofill
  40   SetDirective = "\t.set";
  41   ProtectedDirective = "\t.globl\t";
  42   HasDotTypeDotSizeDirective = false;
  43   UsedDirective = "\t.no_dead_strip\t";
  44
  45   // _foo.eh symbols are currently always exported so that the linker knows
  46   // about them.  This is not necessary on 10.6 and later, but it
  47   // doesn't hurt anything.
  48   // FIXME: I need to get this from Triple.
  49   Is_EHSymbolPrivate = false;
  50   GlobalEHDirective = "\t.globl\t";
  51   SupportsWeakOmittedEHFrame = false;
  52 }
  53