1 files changed, 143 insertions, 0 deletions
diff --git a/contrib/llvm/lib/MC/MCAsmInfo.cpp b/contrib/llvm/lib/MC/MCAsmInfo.cpp
new file mode 100644
index 0000000..51bb435
--- /dev/null
+++ b/contrib/llvm/lib/MC/MCAsmInfo.cpp
@@ -0,0 +1,143 @@
+//===-- 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/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/Dwarf.h"
+#include <cctype>
+#include <cstring>
+using namespace llvm;
+
+MCAsmInfo::MCAsmInfo() {
+  PointerSize = 4;
+  CalleeSaveStackSlotSize = 4;
+
+  IsLittleEndian = true;
+  StackGrowsUp = false;
+  HasSubsectionsViaSymbols = false;
+  HasMachoZeroFillDirective = false;
+  HasMachoTBSSDirective = false;
+  HasStaticCtorDtorReferenceInStaticMode = false;
+  LinkerRequiresNonEmptyDwarfLines = false;
+  MaxInstLength = 4;
+  PCSymbol = "$";
+  SeparatorString = ";";
+  CommentColumn = 40;
+  CommentString = "#";
+  LabelSuffix = ":";
+  DebugLabelSuffix = ":";
+  GlobalPrefix = "";
+  PrivateGlobalPrefix = ".";
+  LinkerPrivateGlobalPrefix = "";
+  InlineAsmStart = "APP";
+  InlineAsmEnd = "NO_APP";
+  Code16Directive = ".code16";
+  Code32Directive = ".code32";
+  Code64Directive = ".code64";
+  AssemblerDialect = 0;
+  AllowQuotesInName = false;
+  AllowNameToStartWithDigit = false;
+  AllowPeriodsInName = true;
+  AllowUTF8 = true;
+  UseDataRegionDirectives = false;
+  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;
+  GPRel64Directive = 0;
+  GPRel32Directive = 0;
+  GlobalDirective = "\t.globl\t";
+  HasSetDirective = true;
+  HasAggressiveSymbolFolding = true;
+  COMMDirectiveAlignmentIsInBytes = true;
+  LCOMMDirectiveAlignmentType = LCOMM::NoAlignment;
+  HasDotTypeDotSizeDirective = true;
+  HasSingleParameterDotFile = true;
+  HasNoDeadStrip = false;
+  HasSymbolResolver = false;
+  WeakRefDirective = 0;
+  WeakDefDirective = 0;
+  LinkOnceDirective = 0;
+  HiddenVisibilityAttr = MCSA_Hidden;
+  HiddenDeclarationVisibilityAttr = MCSA_Hidden;
+  ProtectedVisibilityAttr = MCSA_Protected;
+  HasLEB128 = false;
+  SupportsDebugInformation = false;
+  ExceptionsType = ExceptionHandling::None;
+  DwarfUsesInlineInfoSection = false;
+  DwarfSectionOffsetDirective = 0;
+  DwarfUsesRelocationsAcrossSections = true;
+  DwarfRegNumForCFI = false;
+  HasMicrosoftFastStdCallMangling = false;
+}
+
+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;
+}
+
+const MCExpr *
+MCAsmInfo::getExprForPersonalitySymbol(const MCSymbol *Sym,
+                                       unsigned Encoding,
+                                       MCStreamer &Streamer) const {
+  return getExprForFDESymbol(Sym, Encoding, Streamer);
+}
+
+const MCExpr *
+MCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym,
+                               unsigned Encoding,
+                               MCStreamer &Streamer) const {
+  if (!(Encoding & dwarf::DW_EH_PE_pcrel))
+    return MCSymbolRefExpr::Create(Sym, Streamer.getContext());
+
+  MCContext &Context = Streamer.getContext();
+  const MCExpr *Res = MCSymbolRefExpr::Create(Sym, Context);
+  MCSymbol *PCSym = Context.CreateTempSymbol();
+  Streamer.EmitLabel(PCSym);
+  const MCExpr *PC = MCSymbolRefExpr::Create(PCSym, Context);
+  return MCBinaryExpr::CreateSub(Res, PC, Context);
+}