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" 16 using namespace llvm; 17 anchor()18void MCAsmInfoCOFF::anchor() { } 19 MCAsmInfoCOFF()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 anchor()45void MCAsmInfoMicrosoft::anchor() { } 46 MCAsmInfoMicrosoft()47MCAsmInfoMicrosoft::MCAsmInfoMicrosoft() { 48 } 49 anchor()50void MCAsmInfoGNUCOFF::anchor() { } 51 MCAsmInfoGNUCOFF()52MCAsmInfoGNUCOFF::MCAsmInfoGNUCOFF() { 53 54 } 55