X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FMC%2FMCSectionCOFF.cpp;h=0909df42227cf4c260d8081716df07fa06c416c2;hb=cecbc3d28277ff4916326311cbf87335ed05d106;hp=f26768a764151d6389768ac7b6dc37b6ced125fa;hpb=eb40a0fd98c44ecc6360e7fab33cf9e9911bed4f;p=oota-llvm.git

diff --git a/lib/MC/MCSectionCOFF.cpp b/lib/MC/MCSectionCOFF.cpp
index f26768a7641..0909df42227 100644
--- a/lib/MC/MCSectionCOFF.cpp
+++ b/lib/MC/MCSectionCOFF.cpp
@@ -31,6 +31,7 @@ bool MCSectionCOFF::ShouldOmitSectionDirective(StringRef Name,
 void MCSectionCOFF::PrintSwitchToSection(const MCAsmInfo &MAI,
                                          raw_ostream &OS) const {
   
+  // standard sections don't require the '.section'
   if (ShouldOmitSectionDirective(SectionName, MAI)) {
     OS << '\t' << getSectionName() << '\n';
     return;
@@ -43,7 +44,37 @@ void MCSectionCOFF::PrintSwitchToSection(const MCAsmInfo &MAI,
     OS << 'w';
   else
     OS << 'r';
-  if (getFlags() & 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();
 }