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" 16221345Sdim#include "llvm/MC/MCContext.h" 17221345Sdim#include "llvm/MC/MCExpr.h" 18221345Sdim#include "llvm/MC/MCStreamer.h" 19198090Srdivackyusing namespace llvm; 20198090Srdivacky 21239462Sdimvoid MCAsmInfoDarwin::anchor() { } 22234353Sdim 23198090SrdivackyMCAsmInfoDarwin::MCAsmInfoDarwin() { 24198090Srdivacky // Common settings for all Darwin targets. 25198090Srdivacky // Syntax: 26198090Srdivacky GlobalPrefix = "_"; 27198090Srdivacky PrivateGlobalPrefix = "L"; 28198090Srdivacky LinkerPrivateGlobalPrefix = "l"; 29198090Srdivacky HasSingleParameterDotFile = false; 30202878Srdivacky HasSubsectionsViaSymbols = true; 31198090Srdivacky 32198090Srdivacky AlignmentIsInBytes = false; 33203954Srdivacky COMMDirectiveAlignmentIsInBytes = false; 34243830Sdim LCOMMDirectiveAlignmentType = LCOMM::Log2Alignment; 35198090Srdivacky InlineAsmStart = " InlineAsm Start"; 36198090Srdivacky InlineAsmEnd = " InlineAsm End"; 37198090Srdivacky 38198090Srdivacky // Directives: 39266715Sdim HasWeakDefDirective = true; 40266715Sdim HasWeakDefCanBeHiddenDirective = true; 41198090Srdivacky WeakRefDirective = "\t.weak_reference "; 42198090Srdivacky ZeroDirective = "\t.space\t"; // ".space N" emits N zeros. 43202878Srdivacky HasMachoZeroFillDirective = true; // Uses .zerofill 44208599Srdivacky HasMachoTBSSDirective = true; // Uses .tbss 45202878Srdivacky HasStaticCtorDtorReferenceInStaticMode = true; 46218893Sdim 47218893Sdim // FIXME: Darwin 10 and newer don't need this. 48218893Sdim LinkerRequiresNonEmptyDwarfLines = true; 49218893Sdim 50218893Sdim // FIXME: Change this once MC is the system assembler. 51218893Sdim HasAggressiveSymbolFolding = false; 52218893Sdim 53202878Srdivacky HiddenVisibilityAttr = MCSA_PrivateExtern; 54219077Sdim HiddenDeclarationVisibilityAttr = MCSA_Invalid; 55234353Sdim 56202878Srdivacky // Doesn't support protected visibility. 57234353Sdim ProtectedVisibilityAttr = MCSA_Invalid; 58239462Sdim 59198090Srdivacky HasDotTypeDotSizeDirective = false; 60202878Srdivacky HasNoDeadStrip = true; 61212904Sdim 62239462Sdim DwarfUsesRelocationsAcrossSections = false; 63198090Srdivacky} 64