Revert "[ObjectYAML] Support for DWARF debug_info section"

This reverts commit r290147.

This commit is breaking a bot (http://lab.llvm.org:8011/builders/clang-atom-d525-fedora-rel/builds/621). I don't have time to investigate at the moment, so I'll revert for now.

llvm-svn: 290148

2 files changed, 4 insertions, 41 deletions

diff --git a/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp b/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
index e48a6f0981b..b3f1a52e6b7 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
@@ -661,15 +661,3 @@ Optional<ArrayRef<uint8_t>> DWARFFormValue::getAsBlock() const {
   return makeArrayRef(Value.data, Value.uval);
 }
 
-Optional<uint64_t> DWARFFormValue::getAsCStringOffset() const {
-  if (!isFormClass(FC_String) && Form == DW_FORM_string)
-    return None;
-  return Value.uval;
-}
-
-Optional<uint64_t> DWARFFormValue::getAsReferenceUVal() const {
-  if (!isFormClass(FC_Reference))
-    return None;
-  return Value.uval;
-}
-
diff --git a/llvm/lib/ObjectYAML/DWARFYAML.cpp b/llvm/lib/ObjectYAML/DWARFYAML.cpp
index 42a448a7bdf..3d647b0b0b1 100644
--- a/llvm/lib/ObjectYAML/DWARFYAML.cpp
+++ b/llvm/lib/ObjectYAML/DWARFYAML.cpp
@@ -22,9 +22,8 @@ bool DWARFYAML::Data::isEmpty() const {
 
 namespace yaml {
 
-void MappingTraits<DWARFYAML::Data>::mapping(IO &IO, DWARFYAML::Data &DWARF) {
-  auto oldContext = IO.getContext();
-  IO.setContext(&DWARF);
+void MappingTraits<DWARFYAML::Data>::mapping(
+    IO &IO, DWARFYAML::Data &DWARF) {
   IO.mapOptional("debug_str", DWARF.DebugStrings);
   IO.mapOptional("debug_abbrev", DWARF.AbbrevDecls);
   if(!DWARF.ARanges.empty() || !IO.outputting())
@@ -37,12 +36,10 @@ void MappingTraits<DWARFYAML::Data>::mapping(IO &IO, DWARFYAML::Data &DWARF) {
     IO.mapOptional("debug_gnu_pubnames", DWARF.GNUPubNames);
   if(!DWARF.GNUPubTypes.Entries.empty() || !IO.outputting())
     IO.mapOptional("debug_gnu_pubtypes", DWARF.GNUPubTypes);
-  IO.mapOptional("debug_info", DWARF.CompileUnits);
-  IO.setContext(&oldContext);
 }
 
-void MappingTraits<DWARFYAML::Abbrev>::mapping(IO &IO,
-                                               DWARFYAML::Abbrev &Abbrev) {
+void MappingTraits<DWARFYAML::Abbrev>::mapping(
+    IO &IO, DWARFYAML::Abbrev &Abbrev) {
   IO.mapRequired("Code", Abbrev.Code);
   IO.mapRequired("Tag", Abbrev.Tag);
   IO.mapRequired("Children", Abbrev.Children);
@@ -93,28 +90,6 @@ void MappingTraits<DWARFYAML::PubSection>::mapping(
   IO.setContext(OldContext);
 }
 
-void MappingTraits<DWARFYAML::Unit>::mapping(IO &IO, DWARFYAML::Unit &Unit) {
-  IO.mapRequired("Length", Unit.Length);
-  IO.mapRequired("Version", Unit.Version);
-  IO.mapRequired("AbbrOffset", Unit.AbbrOffset);
-  IO.mapRequired("AddrSize", Unit.AddrSize);
-  IO.mapOptional("Entries", Unit.Entries);
-}
-
-void MappingTraits<DWARFYAML::Entry>::mapping(IO &IO, DWARFYAML::Entry &Entry) {
-  IO.mapRequired("AbbrCode", Entry.AbbrCode);
-  IO.mapRequired("Values", Entry.Values);
-}
-
-void MappingTraits<DWARFYAML::FormValue>::mapping(IO &IO,
-                                             DWARFYAML::FormValue &FormValue) {
-  IO.mapOptional("Value", FormValue.Value);
-  if(!FormValue.CStr.empty() || !IO.outputting())
-    IO.mapOptional("CStr", FormValue.CStr);
-  if(!FormValue.BlockData.empty() || !IO.outputting())
-    IO.mapOptional("BlockData", FormValue.BlockData);
-}
-
 } // namespace llvm::yaml
 
 } // namespace llvm