| //===-- MCAsmInfo.cpp - Asm Info -------------------------------------------==// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines target asm properties related what form asm statements |
| // should take. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/MC/MCAsmInfo.h" |
| #include "llvm/System/DataTypes.h" |
| #include <cctype> |
| #include <cstring> |
| using namespace llvm; |
| |
| MCAsmInfo::MCAsmInfo() { |
| HasSubsectionsViaSymbols = false; |
| HasMachoZeroFillDirective = false; |
| HasMachoTBSSDirective = false; |
| HasStaticCtorDtorReferenceInStaticMode = false; |
| MaxInstLength = 4; |
| PCSymbol = "$"; |
| SeparatorChar = ';'; |
| CommentColumn = 40; |
| CommentString = "#"; |
| GlobalPrefix = ""; |
| PrivateGlobalPrefix = "."; |
| LinkerPrivateGlobalPrefix = ""; |
| LinkerWeakGlobalPrefix = ""; |
| InlineAsmStart = "APP"; |
| InlineAsmEnd = "NO_APP"; |
| AssemblerDialect = 0; |
| AllowQuotesInName = false; |
| AllowNameToStartWithDigit = false; |
| AllowPeriodsInName = true; |
| ZeroDirective = "\t.zero\t"; |
| AsciiDirective = "\t.ascii\t"; |
| AscizDirective = "\t.asciz\t"; |
| Data8bitsDirective = "\t.byte\t"; |
| Data16bitsDirective = "\t.short\t"; |
| Data32bitsDirective = "\t.long\t"; |
| Data64bitsDirective = "\t.quad\t"; |
| SunStyleELFSectionSwitchSyntax = false; |
| UsesELFSectionDirectiveForBSS = false; |
| AlignDirective = "\t.align\t"; |
| AlignmentIsInBytes = true; |
| TextAlignFillValue = 0; |
| GPRel32Directive = 0; |
| GlobalDirective = "\t.globl\t"; |
| HasSetDirective = true; |
| HasLCOMMDirective = false; |
| COMMDirectiveAlignmentIsInBytes = true; |
| HasDotTypeDotSizeDirective = true; |
| HasSingleParameterDotFile = true; |
| HasNoDeadStrip = false; |
| WeakRefDirective = 0; |
| WeakDefDirective = 0; |
| LinkOnceDirective = 0; |
| HiddenVisibilityAttr = MCSA_Hidden; |
| ProtectedVisibilityAttr = MCSA_Protected; |
| HasLEB128 = false; |
| HasDotLocAndDotFile = false; |
| SupportsDebugInformation = false; |
| ExceptionsType = ExceptionHandling::None; |
| DwarfRequiresFrameSection = true; |
| DwarfUsesInlineInfoSection = false; |
| DwarfSectionOffsetDirective = 0; |
| HasMicrosoftFastStdCallMangling = false; |
| |
| AsmTransCBE = 0; |
| } |
| |
| MCAsmInfo::~MCAsmInfo() { |
| } |
| |
| |
| unsigned MCAsmInfo::getULEB128Size(unsigned Value) { |
| unsigned Size = 0; |
| do { |
| Value >>= 7; |
| Size += sizeof(int8_t); |
| } while (Value); |
| return Size; |
| } |
| |
| unsigned MCAsmInfo::getSLEB128Size(int Value) { |
| unsigned Size = 0; |
| int Sign = Value >> (8 * sizeof(Value) - 1); |
| bool IsMore; |
| |
| do { |
| unsigned Byte = Value & 0x7f; |
| Value >>= 7; |
| IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0; |
| Size += sizeof(int8_t); |
| } while (IsMore); |
| return Size; |
| } |