X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FMC%2FMCSectionCOFF.cpp;h=90091f06e9acd2513e818715bfcd485bdd58b290;hb=3699261d3f49d65cee6a645c849c41cdca51a01f;hp=103a80f1e37d3c97b464ae9d26183c7cf5a5ffc3;hpb=72e57f94416b5bc293d5f735ee81318d3ff16590;p=oota-llvm.git

diff --git a/lib/MC/MCSectionCOFF.cpp b/lib/MC/MCSectionCOFF.cpp
index 103a80f1e37..90091f06e9a 100644
--- a/lib/MC/MCSectionCOFF.cpp
+++ b/lib/MC/MCSectionCOFF.cpp
@@ -44,7 +44,41 @@ void MCSectionCOFF::PrintSwitchToSection(const MCAsmInfo &MAI,
     OS << 'w';
   else
     OS << 'r';
-  if (getCharacteristics() & MCSectionCOFF::IMAGE_SCN_MEM_DISCARDABLE)
+  if (getCharacteristics() & COFF::IMAGE_SCN_MEM_DISCARDABLE)
     OS << 'n';
   OS << "\"\n";
+  
+  if (getCharacteristics() & COFF::IMAGE_SCN_LNK_COMDAT) {
+    switch (Selection) {
+      case COFF::IMAGE_COMDAT_SELECT_NODUPLICATES:
+        OS << "\t.linkonce one_only\n";
+        break;
+      case COFF::IMAGE_COMDAT_SELECT_ANY:
+        OS << "\t.linkonce discard\n";
+        break;
+      case COFF::IMAGE_COMDAT_SELECT_SAME_SIZE:
+        OS << "\t.linkonce same_size\n";
+        break;
+      case COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH:
+        OS << "\t.linkonce same_contents\n";
+        break;
+    //NOTE: as of binutils 2.20, there is no way to specifiy select largest
+    //      with the .linkonce directive. For now, we treat it as an invalid
+    //      comdat selection value.
+      case COFF::IMAGE_COMDAT_SELECT_LARGEST:
+    //  OS << "\t.linkonce largest\n";
+    //  break;
+      default:
+        assert (0 && "unsupported COFF selection type");
+        break;
+    }
+  }
+}
+
+bool MCSectionCOFF::UseCodeAlign() const {
+  return getKind().isText();
+}
+
+bool MCSectionCOFF::isVirtualSection() const {
+  return getCharacteristics() & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
 }