MCAsmInfoDarwin.cpp revision 198090 
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"
16using namespace llvm;
17
18MCAsmInfoDarwin::MCAsmInfoDarwin() {
19  // Common settings for all Darwin targets.
20  // Syntax:
21  GlobalPrefix = "_";
22  PrivateGlobalPrefix = "L";
23  LinkerPrivateGlobalPrefix = "l";
24  NeedsSet = true;
25  AllowQuotesInName = true;
26  HasSingleParameterDotFile = false;
27
28  AlignmentIsInBytes = false;
29  InlineAsmStart = " InlineAsm Start";
30  InlineAsmEnd = " InlineAsm End";
31
32  // Directives:
33  WeakDefDirective = "\t.weak_definition ";
34  WeakRefDirective = "\t.weak_reference ";
35  HiddenDirective = "\t.private_extern ";
36  LCOMMDirective = "\t.lcomm\t";
37  ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
38  ZeroFillDirective = "\t.zerofill\t";  // Uses .zerofill
39  SetDirective = "\t.set";
40  ProtectedDirective = "\t.globl\t";
41  HasDotTypeDotSizeDirective = false;
42  UsedDirective = "\t.no_dead_strip\t";
43
44  // _foo.eh symbols are currently always exported so that the linker knows
45  // about them.  This is not necessary on 10.6 and later, but it
46  // doesn't hurt anything.
47  // FIXME: I need to get this from Triple.
48  Is_EHSymbolPrivate = false;
49  GlobalEHDirective = "\t.globl\t";
50  SupportsWeakOmittedEHFrame = false;
51}
52
53