Add command-line flags for DWARF dumping.

Flags for dumping specific DWARF sections added in lib/DebugInfo and
llvm-dwarfdump.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173480 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/DebugInfo/DWARFContext.h b/lib/DebugInfo/DWARFContext.h
index 7da5c85..8a4a3af 100644
--- a/lib/DebugInfo/DWARFContext.h
+++ b/lib/DebugInfo/DWARFContext.h
@@ -45,7 +45,7 @@
 
 public:
   DWARFContext() {}
-  virtual void dump(raw_ostream &OS);
+  virtual void dump(raw_ostream &OS, DIDumpType DumpType = DIDT_All);
 
   /// Get the number of compile units in this context.
   unsigned getNumCompileUnits() {