1 //===-- MCAsmInfo.cpp - Asm Info -------------------------------------------==//
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
13 //===----------------------------------------------------------------------===//
15 #include "llvm/MC/MCAsmInfo.h"
16 #include "llvm/System/DataTypes.h"
21 MCAsmInfo::MCAsmInfo() {
22 HasMachoZeroFillDirective = false;
23 HasStaticCtorDtorReferenceInStaticMode = false;
24 NonexecutableStackDirective = 0;
32 PrivateGlobalPrefix = ".";
33 LinkerPrivateGlobalPrefix = "";
34 InlineAsmStart = "APP";
35 InlineAsmEnd = "NO_APP";
37 AllowQuotesInName = false;
38 AllowNameToStartWithDigit = false;
39 ZeroDirective = "\t.zero\t";
40 AsciiDirective = "\t.ascii\t";
41 AscizDirective = "\t.asciz\t";
42 Data8bitsDirective = "\t.byte\t";
43 Data16bitsDirective = "\t.short\t";
44 Data32bitsDirective = "\t.long\t";
45 Data64bitsDirective = "\t.quad\t";
46 SunStyleELFSectionSwitchSyntax = false;
47 UsesELFSectionDirectiveForBSS = false;
48 AlignDirective = "\t.align\t";
49 AlignmentIsInBytes = true;
50 TextAlignFillValue = 0;
51 JumpTableDirective = 0;
52 PICJumpTableDirective = 0;
53 GlobalDirective = "\t.globl\t";
56 COMMDirective = "\t.comm\t";
57 COMMDirectiveTakesAlignment = true;
58 HasDotTypeDotSizeDirective = true;
59 HasSingleParameterDotFile = true;
60 HasNoDeadStrip = false;
63 LinkOnceDirective = 0;
64 // FIXME: These are ELFish - move to ELFMAI.
65 HiddenDirective = "\t.hidden\t";
66 ProtectedDirective = "\t.protected\t";
67 AbsoluteDebugSectionOffsets = false;
68 AbsoluteEHSectionOffsets = false;
70 HasDotLocAndDotFile = false;
71 SupportsDebugInformation = false;
72 ExceptionsType = ExceptionHandling::None;
73 DwarfRequiresFrameSection = true;
74 DwarfUsesInlineInfoSection = false;
75 Is_EHSymbolPrivate = true;
76 GlobalEHDirective = 0;
77 SupportsWeakOmittedEHFrame = true;
78 DwarfSectionOffsetDirective = 0;
83 MCAsmInfo::~MCAsmInfo() {
87 unsigned MCAsmInfo::getULEB128Size(unsigned Value) {
91 Size += sizeof(int8_t);
96 unsigned MCAsmInfo::getSLEB128Size(int Value) {
98 int Sign = Value >> (8 * sizeof(Value) - 1);
102 unsigned Byte = Value & 0x7f;
104 IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0;
105 Size += sizeof(int8_t);