[MC/Mach-O] Add AsmParser support for .linker_option directive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172778 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/MC/MCAsmStreamer.cpp b/lib/MC/MCAsmStreamer.cpp
index dd5112c771..88a7d338d5 100644
--- a/lib/MC/MCAsmStreamer.cpp
+++ b/lib/MC/MCAsmStreamer.cpp
@@ -145,6 +145,7 @@ public:
   virtual void EmitEHSymAttributes(const MCSymbol *Symbol,
                                    MCSymbol *EHSymbol);
   virtual void EmitAssemblerFlag(MCAssemblerFlag Flag);
+  virtual void EmitLinkerOptions(ArrayRef<std::string> Options);
   virtual void EmitDataRegion(MCDataRegionType Kind);
   virtual void EmitThumbFunc(MCSymbol *Func);
 
@@ -375,6 +376,15 @@ void MCAsmStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
   EmitEOL();
 }
 
+void MCAsmStreamer::EmitLinkerOptions(ArrayRef<std::string> Options) {
+  assert(!Options.empty() && "At least one option is required!");
+  OS << "\t.linker_option \"" << Options[0] << '"';
+  for (ArrayRef<std::string>::iterator it = Options.begin() + 1,
+         ie = Options.end(); it != ie; ++it) {
+    OS << ", " << '"' << *it << '"';
+  }
+}
+
 void MCAsmStreamer::EmitDataRegion(MCDataRegionType Kind) {
   MCContext &Ctx = getContext();
   const MCAsmInfo &MAI = Ctx.getAsmInfo();