1 files changed, 131 insertions, 0 deletions
diff --git a/lib/Target/X86/X86MCAsmInfo.cpp b/lib/Target/X86/X86MCAsmInfo.cpp
new file mode 100644
index 0000000..9393fb8
--- /dev/null
+++ b/lib/Target/X86/X86MCAsmInfo.cpp
@@ -0,0 +1,131 @@
+//===-- X86MCAsmInfo.cpp - X86 asm properties -----------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the declarations of the X86MCAsmInfo properties.
+//
+//===----------------------------------------------------------------------===//
+
+#include "X86MCAsmInfo.h"
+#include "X86TargetMachine.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/Support/CommandLine.h"
+using namespace llvm;
+
+enum AsmWriterFlavorTy {
+  // Note: This numbering has to match the GCC assembler dialects for inline
+  // asm alternatives to work right.
+  ATT = 0, Intel = 1
+};
+
+static cl::opt<AsmWriterFlavorTy>
+AsmWriterFlavor("x86-asm-syntax", cl::init(ATT),
+  cl::desc("Choose style of code to emit from X86 backend:"),
+  cl::values(clEnumValN(ATT,   "att",   "Emit AT&T-style assembly"),
+             clEnumValN(Intel, "intel", "Emit Intel-style assembly"),
+             clEnumValEnd));
+
+
+static const char *const x86_asm_table[] = {
+  "{si}", "S",
+  "{di}", "D",
+  "{ax}", "a",
+  "{cx}", "c",
+  "{memory}", "memory",
+  "{flags}", "",
+  "{dirflag}", "",
+  "{fpsr}", "",
+  "{cc}", "cc",
+  0,0};
+
+X86DarwinMCAsmInfo::X86DarwinMCAsmInfo(const Triple &Triple) {
+  AsmTransCBE = x86_asm_table;
+  AssemblerDialect = AsmWriterFlavor;
+    
+  bool is64Bit = Triple.getArch() == Triple::x86_64;
+
+  TextAlignFillValue = 0x90;
+
+  if (!is64Bit)
+    Data64bitsDirective = 0;       // we can't emit a 64-bit unit
+
+  // Leopard and above support aligned common symbols.
+  COMMDirectiveTakesAlignment = Triple.getDarwinMajorNumber() >= 9;
+
+  if (is64Bit) {
+    PersonalityPrefix = "";
+    PersonalitySuffix = "+4@GOTPCREL";
+  } else {
+    PersonalityPrefix = "L";
+    PersonalitySuffix = "$non_lazy_ptr";
+  }
+
+  CommentString = "##";
+  PCSymbol = ".";
+
+  SupportsDebugInformation = true;
+  DwarfUsesInlineInfoSection = true;
+
+  // Exceptions handling
+  ExceptionsType = ExceptionHandling::Dwarf;
+  AbsoluteEHSectionOffsets = false;
+}
+
+X86ELFMCAsmInfo::X86ELFMCAsmInfo(const Triple &Triple) {
+  AsmTransCBE = x86_asm_table;
+  AssemblerDialect = AsmWriterFlavor;
+
+  PrivateGlobalPrefix = ".L";
+  WeakRefDirective = "\t.weak\t";
+  SetDirective = "\t.set\t";
+  PCSymbol = ".";
+
+  // Set up DWARF directives
+  HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
+
+  // Debug Information
+  AbsoluteDebugSectionOffsets = true;
+  SupportsDebugInformation = true;
+
+  // Exceptions handling
+  ExceptionsType = ExceptionHandling::Dwarf;
+  AbsoluteEHSectionOffsets = false;
+
+  // On Linux we must declare when we can use a non-executable stack.
+  if (Triple.getOS() == Triple::Linux)
+    NonexecutableStackDirective = "\t.section\t.note.GNU-stack,\"\",@progbits";
+}
+
+X86COFFMCAsmInfo::X86COFFMCAsmInfo(const Triple &Triple) {
+  AsmTransCBE = x86_asm_table;
+  AssemblerDialect = AsmWriterFlavor;
+}
+
+
+X86WinMCAsmInfo::X86WinMCAsmInfo(const Triple &Triple) {
+  AsmTransCBE = x86_asm_table;
+  AssemblerDialect = AsmWriterFlavor;
+
+  GlobalPrefix = "_";
+  CommentString = ";";
+
+  PrivateGlobalPrefix = "$";
+  AlignDirective = "\tALIGN\t";
+  ZeroDirective = "\tdb\t";
+  ZeroDirectiveSuffix = " dup(0)";
+  AsciiDirective = "\tdb\t";
+  AscizDirective = 0;
+  Data8bitsDirective = "\tdb\t";
+  Data16bitsDirective = "\tdw\t";
+  Data32bitsDirective = "\tdd\t";
+  Data64bitsDirective = "\tdq\t";
+  HasDotTypeDotSizeDirective = false;
+  HasSingleParameterDotFile = false;
+
+  AlignmentIsInBytes = true;
+}