MCAsmInfoDarwin.cpp revision 202878
1198090Srdivacky//===-- MCAsmInfoDarwin.cpp - Darwin asm properties -------------*- C++ -*-===// 2198090Srdivacky// 3198090Srdivacky// The LLVM Compiler Infrastructure 4198090Srdivacky// 5198090Srdivacky// This file is distributed under the University of Illinois Open Source 6198090Srdivacky// License. See LICENSE.TXT for details. 7198090Srdivacky// 8198090Srdivacky//===----------------------------------------------------------------------===// 9198090Srdivacky// 10198090Srdivacky// This file defines target asm properties related what form asm statements 11198090Srdivacky// should take in general on Darwin-based targets 12198090Srdivacky// 13198090Srdivacky//===----------------------------------------------------------------------===// 14198090Srdivacky 15198090Srdivacky#include "llvm/MC/MCAsmInfoDarwin.h" 16198090Srdivackyusing namespace llvm; 17198090Srdivacky 18198090SrdivackyMCAsmInfoDarwin::MCAsmInfoDarwin() { 19198090Srdivacky // Common settings for all Darwin targets. 20198090Srdivacky // Syntax: 21198090Srdivacky GlobalPrefix = "_"; 22198090Srdivacky PrivateGlobalPrefix = "L"; 23198090Srdivacky LinkerPrivateGlobalPrefix = "l"; 24198090Srdivacky NeedsSet = true; 25198090Srdivacky AllowQuotesInName = true; 26198090Srdivacky HasSingleParameterDotFile = false; 27202878Srdivacky HasSubsectionsViaSymbols = true; 28198090Srdivacky 29198090Srdivacky AlignmentIsInBytes = false; 30198090Srdivacky InlineAsmStart = " InlineAsm Start"; 31198090Srdivacky InlineAsmEnd = " InlineAsm End"; 32198090Srdivacky 33198090Srdivacky // Directives: 34198090Srdivacky WeakDefDirective = "\t.weak_definition "; 35198090Srdivacky WeakRefDirective = "\t.weak_reference "; 36198090Srdivacky ZeroDirective = "\t.space\t"; // ".space N" emits N zeros. 37202878Srdivacky HasMachoZeroFillDirective = true; // Uses .zerofill 38202878Srdivacky HasStaticCtorDtorReferenceInStaticMode = true; 39198090Srdivacky SetDirective = "\t.set"; 40202878Srdivacky 41202878Srdivacky HiddenVisibilityAttr = MCSA_PrivateExtern; 42202878Srdivacky // Doesn't support protected visibility. 43202878Srdivacky ProtectedVisibilityAttr = MCSA_Global; 44202878Srdivacky 45202878Srdivacky 46198090Srdivacky HasDotTypeDotSizeDirective = false; 47202878Srdivacky HasNoDeadStrip = true; 48202878Srdivacky // Note: Even though darwin has the .lcomm directive, it is just a synonym for 49202878Srdivacky // zerofill, so we prefer to use .zerofill. 50198090Srdivacky 51198090Srdivacky // _foo.eh symbols are currently always exported so that the linker knows 52198090Srdivacky // about them. This is not necessary on 10.6 and later, but it 53198090Srdivacky // doesn't hurt anything. 54198090Srdivacky // FIXME: I need to get this from Triple. 55198090Srdivacky Is_EHSymbolPrivate = false; 56198090Srdivacky GlobalEHDirective = "\t.globl\t"; 57198090Srdivacky SupportsWeakOmittedEHFrame = false; 58198090Srdivacky} 59198090Srdivacky 60