3 files changed, 209 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;
+}
diff --git a/lib/MC/MCAsmInfoCOFF.cpp b/lib/MC/MCAsmInfoCOFF.cpp
new file mode 100644
index 0000000..7586eac
--- /dev/null
+++ b/lib/MC/MCAsmInfoCOFF.cpp
@@ -0,0 +1,37 @@
+//===-- COFFMCAsmInfo.cpp - COFF asm properties -----------------*- C++ -*-===//
+//
+//                     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 in general on COFF-based targets
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCAsmInfoCOFF.h"
+#include "llvm/ADT/SmallVector.h"
+using namespace llvm;
+
+COFFMCAsmInfo::COFFMCAsmInfo() {
+  GlobalPrefix = "_";
+  LCOMMDirective = "\t.lcomm\t";
+  COMMDirectiveTakesAlignment = false;
+  HasDotTypeDotSizeDirective = false;
+  HasSingleParameterDotFile = false;
+  HiddenDirective = NULL;
+  PrivateGlobalPrefix = "L";  // Prefix for private global symbols
+  WeakRefDirective = "\t.weak\t";
+  SetDirective = "\t.set\t";
+
+  // Set up DWARF directives
+  HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
+  AbsoluteDebugSectionOffsets = true;
+  AbsoluteEHSectionOffsets = false;
+  SupportsDebugInformation = true;
+  DwarfSectionOffsetDirective = "\t.secrel32\t";
+}
+
diff --git a/lib/MC/MCAsmInfoDarwin.cpp b/lib/MC/MCAsmInfoDarwin.cpp
new file mode 100644
index 0000000..8e8c6f8
--- /dev/null
+++ b/lib/MC/MCAsmInfoDarwin.cpp
@@ -0,0 +1,59 @@
+//===-- MCAsmInfoDarwin.cpp - Darwin asm properties -------------*- C++ -*-===//
+//
+//                     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 in general on Darwin-based targets
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCAsmInfoDarwin.h"
+using namespace llvm;
+
+DarwinMCAsmInfo::DarwinMCAsmInfo() {
+  // Common settings for all Darwin targets.
+  // Syntax:
+  GlobalPrefix = "_";
+  PrivateGlobalPrefix = "L";
+  LinkerPrivateGlobalPrefix = "l";  // Marker for some ObjC metadata
+  NeedsSet = true;
+  NeedsIndirectEncoding = true;
+  AllowQuotesInName = true;
+  HasSingleParameterDotFile = false;
+
+  AlignmentIsInBytes = false;
+  InlineAsmStart = " InlineAsm Start";
+  InlineAsmEnd = " InlineAsm End";
+
+  // In non-PIC modes, emit a special label before jump tables so that the
+  // linker can perform more accurate dead code stripping.  We do not check the
+  // relocation model here since it can be overridden later.
+  JumpTableSpecialLabelPrefix = "l";
+    
+  // Directives:
+  WeakDefDirective = "\t.weak_definition ";
+  WeakRefDirective = "\t.weak_reference ";
+  HiddenDirective = "\t.private_extern ";
+  LCOMMDirective = "\t.lcomm\t";
+  ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
+  ZeroFillDirective = "\t.zerofill\t";  // Uses .zerofill
+  SetDirective = "\t.set";
+  ProtectedDirective = "\t.globl\t";
+  HasDotTypeDotSizeDirective = false;
+  UsedDirective = "\t.no_dead_strip\t";
+
+  // _foo.eh symbols are currently always exported so that the linker knows
+  // about them.  This is not necessary on 10.6 and later, but it
+  // doesn't hurt anything.
+  // FIXME: I need to get this from Triple.
+  Is_EHSymbolPrivate = false;
+  GlobalEHDirective = "\t.globl\t";
+  SupportsWeakOmittedEHFrame = false;
+
+}
+