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author | Chris Lattner <sabre@nondot.org> | 2009-08-22 20:58:17 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2009-08-22 20:58:17 +0000 |
commit | 82d748d55c549dd055528ed10dbb534618ca8115 (patch) | |
tree | a0e8cf4ac48a24458e50bc3233fddd98bb46f1a6 /lib/MC/MCAsmInfo.cpp | |
parent | e4d110be70089f68f0e70e6ce0637323ad77eaf5 (diff) | |
download | external_llvm-82d748d55c549dd055528ed10dbb534618ca8115.zip external_llvm-82d748d55c549dd055528ed10dbb534618ca8115.tar.gz external_llvm-82d748d55c549dd055528ed10dbb534618ca8115.tar.bz2 |
move the MCAsmInfo .cpp/.h files into the right
directories and rename them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79768 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC/MCAsmInfo.cpp')
-rw-r--r-- | lib/MC/MCAsmInfo.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/lib/MC/MCAsmInfo.cpp b/lib/MC/MCAsmInfo.cpp new file mode 100644 index 0000000..c38bf70 --- /dev/null +++ b/lib/MC/MCAsmInfo.cpp @@ -0,0 +1,113 @@ +//===-- 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 <cctype> +#include <cstring> +using namespace llvm; + +MCAsmInfo::MCAsmInfo() { + ZeroFillDirective = 0; + NonexecutableStackDirective = 0; + NeedsSet = false; + MaxInstLength = 4; + PCSymbol = "$"; + SeparatorChar = ';'; + CommentColumn = 60; + CommentString = "#"; + GlobalPrefix = ""; + PrivateGlobalPrefix = "."; + LinkerPrivateGlobalPrefix = ""; + JumpTableSpecialLabelPrefix = 0; + GlobalVarAddrPrefix = ""; + GlobalVarAddrSuffix = ""; + FunctionAddrPrefix = ""; + FunctionAddrSuffix = ""; + PersonalityPrefix = ""; + PersonalitySuffix = ""; + NeedsIndirectEncoding = false; + InlineAsmStart = "APP"; + InlineAsmEnd = "NO_APP"; + AssemblerDialect = 0; + AllowQuotesInName = false; + ZeroDirective = "\t.zero\t"; + ZeroDirectiveSuffix = 0; + 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; + JumpTableDirective = 0; + PICJumpTableDirective = 0; + GlobalDirective = "\t.globl\t"; + SetDirective = 0; + LCOMMDirective = 0; + COMMDirective = "\t.comm\t"; + COMMDirectiveTakesAlignment = true; + HasDotTypeDotSizeDirective = true; + HasSingleParameterDotFile = true; + UsedDirective = 0; + WeakRefDirective = 0; + WeakDefDirective = 0; + // FIXME: These are ELFish - move to ELFTAI. + HiddenDirective = "\t.hidden\t"; + ProtectedDirective = "\t.protected\t"; + AbsoluteDebugSectionOffsets = false; + AbsoluteEHSectionOffsets = false; + HasLEB128 = false; + HasDotLocAndDotFile = false; + SupportsDebugInformation = false; + ExceptionsType = ExceptionHandling::None; + DwarfRequiresFrameSection = true; + DwarfUsesInlineInfoSection = false; + Is_EHSymbolPrivate = true; + GlobalEHDirective = 0; + SupportsWeakOmittedEHFrame = true; + DwarfSectionOffsetDirective = 0; + + 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; +} |