1 //===-- MCAsmInfoDarwin.cpp - Darwin asm properties -------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines target asm properties related what form asm statements
11 // should take in general on Darwin-based targets
13 //===----------------------------------------------------------------------===//
15 #include "llvm/MC/MCAsmInfoDarwin.h"
16 #include "llvm/MC/MCContext.h"
17 #include "llvm/MC/MCExpr.h"
18 #include "llvm/MC/MCStreamer.h"
21 void MCAsmInfoDarwin::anchor() { }
23 MCAsmInfoDarwin::MCAsmInfoDarwin() {
24 // Common settings for all Darwin targets.
27 PrivateGlobalPrefix = "L";
28 LinkerPrivateGlobalPrefix = "l";
29 HasSingleParameterDotFile = false;
30 HasSubsectionsViaSymbols = true;
32 AlignmentIsInBytes = false;
33 COMMDirectiveAlignmentIsInBytes = false;
34 LCOMMDirectiveAlignmentType = LCOMM::Log2Alignment;
35 InlineAsmStart = " InlineAsm Start";
36 InlineAsmEnd = " InlineAsm End";
39 WeakDefDirective = "\t.weak_definition ";
40 WeakRefDirective = "\t.weak_reference ";
41 ZeroDirective = "\t.space\t"; // ".space N" emits N zeros.
42 HasMachoZeroFillDirective = true; // Uses .zerofill
43 HasMachoTBSSDirective = true; // Uses .tbss
44 HasStaticCtorDtorReferenceInStaticMode = true;
46 // FIXME: Darwin 10 and newer don't need this.
47 LinkerRequiresNonEmptyDwarfLines = true;
49 // FIXME: Change this once MC is the system assembler.
50 HasAggressiveSymbolFolding = false;
52 HiddenVisibilityAttr = MCSA_PrivateExtern;
53 HiddenDeclarationVisibilityAttr = MCSA_Invalid;
55 // Doesn't support protected visibility.
56 ProtectedVisibilityAttr = MCSA_Invalid;
58 HasDotTypeDotSizeDirective = false;
59 HasNoDeadStrip = true;
61 DwarfUsesRelocationsAcrossSections = false;