2009-08-22 20:48:53 +00:00
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//===-- MCAsmInfo.cpp - Asm Info -------------------------------------------==//
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2006-09-06 18:35:33 +00:00
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//
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// The LLVM Compiler Infrastructure
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//
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2007-12-29 20:36:04 +00:00
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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2006-09-06 18:35:33 +00:00
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines target asm properties related what form asm statements
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// should take.
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//
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//===----------------------------------------------------------------------===//
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2009-08-22 20:48:53 +00:00
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#include "llvm/MC/MCAsmInfo.h"
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2009-10-26 01:35:46 +00:00
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#include "llvm/System/DataTypes.h"
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2007-04-23 20:00:17 +00:00
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#include <cctype>
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#include <cstring>
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2006-09-06 18:35:33 +00:00
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using namespace llvm;
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2009-08-22 20:48:53 +00:00
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MCAsmInfo::MCAsmInfo() {
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2010-01-19 02:09:44 +00:00
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HasMachoZeroFillDirective = false;
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2010-01-19 04:34:02 +00:00
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HasStaticCtorDtorReferenceInStaticMode = false;
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2008-09-25 21:00:33 +00:00
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NonexecutableStackDirective = 0;
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NeedsSet = false;
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MaxInstLength = 4;
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PCSymbol = "$";
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SeparatorChar = ';';
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2009-07-13 20:25:48 +00:00
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CommentColumn = 60;
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2008-09-25 21:00:33 +00:00
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CommentString = "#";
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GlobalPrefix = "";
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PrivateGlobalPrefix = ".";
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2009-07-21 17:30:51 +00:00
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LinkerPrivateGlobalPrefix = "";
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2009-08-11 22:39:40 +00:00
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InlineAsmStart = "APP";
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InlineAsmEnd = "NO_APP";
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2008-09-25 21:00:33 +00:00
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AssemblerDialect = 0;
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2009-06-18 23:41:35 +00:00
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AllowQuotesInName = false;
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2009-09-18 16:57:42 +00:00
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AllowNameToStartWithDigit = false;
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2008-09-25 21:00:33 +00:00
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ZeroDirective = "\t.zero\t";
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ZeroDirectiveSuffix = 0;
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AsciiDirective = "\t.ascii\t";
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AscizDirective = "\t.asciz\t";
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Data8bitsDirective = "\t.byte\t";
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Data16bitsDirective = "\t.short\t";
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Data32bitsDirective = "\t.long\t";
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Data64bitsDirective = "\t.quad\t";
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2009-08-08 20:43:12 +00:00
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SunStyleELFSectionSwitchSyntax = false;
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2009-08-13 23:30:21 +00:00
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UsesELFSectionDirectiveForBSS = false;
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2008-09-25 21:00:33 +00:00
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AlignDirective = "\t.align\t";
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AlignmentIsInBytes = true;
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TextAlignFillValue = 0;
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JumpTableDirective = 0;
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2009-08-11 20:30:58 +00:00
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PICJumpTableDirective = 0;
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2008-09-25 21:00:33 +00:00
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GlobalDirective = "\t.globl\t";
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SetDirective = 0;
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LCOMMDirective = 0;
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COMMDirective = "\t.comm\t";
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COMMDirectiveTakesAlignment = true;
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HasDotTypeDotSizeDirective = true;
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2008-12-03 11:01:37 +00:00
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HasSingleParameterDotFile = true;
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2008-09-25 21:00:33 +00:00
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UsedDirective = 0;
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WeakRefDirective = 0;
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WeakDefDirective = 0;
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2009-08-22 21:43:10 +00:00
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// FIXME: These are ELFish - move to ELFMAI.
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2008-09-25 21:00:33 +00:00
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HiddenDirective = "\t.hidden\t";
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ProtectedDirective = "\t.protected\t";
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AbsoluteDebugSectionOffsets = false;
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AbsoluteEHSectionOffsets = false;
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HasLEB128 = false;
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HasDotLocAndDotFile = false;
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SupportsDebugInformation = false;
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2009-08-11 00:09:57 +00:00
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ExceptionsType = ExceptionHandling::None;
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2008-09-25 21:00:33 +00:00
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DwarfRequiresFrameSection = true;
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2009-04-13 17:02:03 +00:00
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DwarfUsesInlineInfoSection = false;
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2009-07-17 20:46:40 +00:00
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Is_EHSymbolPrivate = true;
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2008-09-25 21:00:33 +00:00
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GlobalEHDirective = 0;
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SupportsWeakOmittedEHFrame = true;
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DwarfSectionOffsetDirective = 0;
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2009-08-02 07:24:22 +00:00
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2008-09-25 21:00:33 +00:00
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AsmTransCBE = 0;
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2006-10-13 17:50:07 +00:00
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}
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2006-10-05 00:35:16 +00:00
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2009-08-22 20:48:53 +00:00
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MCAsmInfo::~MCAsmInfo() {
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2006-10-05 00:35:16 +00:00
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}
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2006-10-13 17:50:07 +00:00
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2007-03-07 02:47:57 +00:00
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2009-08-22 20:48:53 +00:00
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unsigned MCAsmInfo::getULEB128Size(unsigned Value) {
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2008-08-16 12:57:46 +00:00
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unsigned Size = 0;
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do {
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Value >>= 7;
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Size += sizeof(int8_t);
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} while (Value);
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return Size;
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}
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2009-08-22 20:48:53 +00:00
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unsigned MCAsmInfo::getSLEB128Size(int Value) {
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2008-08-16 12:57:46 +00:00
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unsigned Size = 0;
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int Sign = Value >> (8 * sizeof(Value) - 1);
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bool IsMore;
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do {
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unsigned Byte = Value & 0x7f;
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Value >>= 7;
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IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0;
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Size += sizeof(int8_t);
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} while (IsMore);
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return Size;
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}
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