MCAsmInfoCOFF.cpp revision 302408 
1//===-- MCAsmInfoCOFF.cpp - COFF 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 COFF-based targets
12//
13//===----------------------------------------------------------------------===//
14
15#include "llvm/MC/MCAsmInfoCOFF.h"
16using namespace llvm;
17
18void MCAsmInfoCOFF::anchor() { }
19
20MCAsmInfoCOFF::MCAsmInfoCOFF() {
21  // MingW 4.5 and later support .comm with log2 alignment, but .lcomm uses byte
22  // alignment.
23  COMMDirectiveAlignmentIsInBytes = false;
24  LCOMMDirectiveAlignmentType = LCOMM::ByteAlignment;
25  HasDotTypeDotSizeDirective = false;
26  HasSingleParameterDotFile = false;
27  WeakRefDirective = "\t.weak\t";
28  HasLinkOnceDirective = true;
29
30  // Doesn't support visibility:
31  HiddenVisibilityAttr = HiddenDeclarationVisibilityAttr = MCSA_Invalid;
32  ProtectedVisibilityAttr = MCSA_Invalid;
33
34  // Set up DWARF directives
35  SupportsDebugInformation = true;
36  NeedsDwarfSectionOffsetDirective = true;
37
38  UseIntegratedAssembler = true;
39
40  // At least MSVC inline-asm does AShr.
41  UseLogicalShr = false;
42}
43
44void MCAsmInfoMicrosoft::anchor() { }
45
46MCAsmInfoMicrosoft::MCAsmInfoMicrosoft() {
47}
48
49void MCAsmInfoGNUCOFF::anchor() { }
50
51MCAsmInfoGNUCOFF::MCAsmInfoGNUCOFF() {
52
53}
54