MCAsmInfoCOFF.cpp revision 288943
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 // FIXME: For now keep the previous behavior, AShr. Need to double-check 41 // other COFF-targeting assemblers and change this if necessary. 42 UseLogicalShr = false; 43} 44 45void MCAsmInfoMicrosoft::anchor() { } 46 47MCAsmInfoMicrosoft::MCAsmInfoMicrosoft() { 48} 49 50void MCAsmInfoGNUCOFF::anchor() { } 51 52MCAsmInfoGNUCOFF::MCAsmInfoGNUCOFF() { 53 54} 55