Check in LLVM r95781.
diff --git a/lib/MC/MCAsmInfoDarwin.cpp b/lib/MC/MCAsmInfoDarwin.cpp
new file mode 100644
index 0000000..da865ad
--- /dev/null
+++ b/lib/MC/MCAsmInfoDarwin.cpp
@@ -0,0 +1,58 @@
+//===-- 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;
+
+MCAsmInfoDarwin::MCAsmInfoDarwin() {
+ // Common settings for all Darwin targets.
+ // Syntax:
+ GlobalPrefix = "_";
+ PrivateGlobalPrefix = "L";
+ LinkerPrivateGlobalPrefix = "l";
+ AllowQuotesInName = true;
+ HasSingleParameterDotFile = false;
+ HasSubsectionsViaSymbols = true;
+
+ AlignmentIsInBytes = false;
+ COMMDirectiveAlignmentIsInBytes = false;
+ InlineAsmStart = " InlineAsm Start";
+ InlineAsmEnd = " InlineAsm End";
+
+ // Directives:
+ WeakDefDirective = "\t.weak_definition ";
+ WeakRefDirective = "\t.weak_reference ";
+ ZeroDirective = "\t.space\t"; // ".space N" emits N zeros.
+ HasMachoZeroFillDirective = true; // Uses .zerofill
+ HasStaticCtorDtorReferenceInStaticMode = true;
+
+ HiddenVisibilityAttr = MCSA_PrivateExtern;
+ // Doesn't support protected visibility.
+ ProtectedVisibilityAttr = MCSA_Global;
+
+
+ HasDotTypeDotSizeDirective = false;
+ HasNoDeadStrip = true;
+ // Note: Even though darwin has the .lcomm directive, it is just a synonym for
+ // zerofill, so we prefer to use .zerofill.
+
+ // _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;
+}
+