Add some comments to new frame entries

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174515 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/DebugInfo/DWARFDebugFrame.cpp b/lib/DebugInfo/DWARFDebugFrame.cpp
index 974cecc3868ffe617e75c52d94cc81134544586b..62e485625126f1b10618d9087a388118943c341c 100644 (file)
--- a/lib/DebugInfo/DWARFDebugFrame.cpp
+++ b/lib/DebugInfo/DWARFDebugFrame.cpp
@@ -17,6 +17,8 @@ using namespace llvm;
 using namespace dwarf;
 
 
+/// \brief Abstract frame entry defining the common interface concrete
+/// entries implement.
 class llvm::FrameEntry {
 public:
   enum FrameKind {FK_CIE, FK_FDE};
@@ -45,6 +47,7 @@ protected:
 };
 
 
+/// \brief DWARF Common Information Entry (CIE)
 class CIE : public FrameEntry {
 public:
   // CIEs (and FDEs) are simply container classes, so the only sensible way to
@@ -84,6 +87,7 @@ private:
 };
 
 
+/// \brief DWARF Frame Description Entry (FDE)
 class FDE : public FrameEntry {
 public:
   // Each FDE has a CIE it's "linked to". Our FDE contains is constructed with