[llvm-dwarfdump] - Print section name and index when dumping .debug_info ranges

Teaches llvm-dwarfdump to print section index and name of range
when it dumps .debug_info.

Differential revision: https://reviews.llvm.org/D36313

llvm-svn: 310915

1 files changed, 5 insertions, 1 deletions

diff --git a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
index fdfc95fe24b..703fc894918 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
@@ -933,6 +933,7 @@ class DWARFObjInMemory final : public DWARFObject {
   bool IsLittleEndian;
   uint8_t AddressSize;
   StringRef FileName;
+  const object::ObjectFile *Obj = nullptr;
 
   using TypeSectionMap = MapVector<object::SectionRef, DWARFSectionMap,
                                    std::map<object::SectionRef, unsigned>>;
@@ -1051,7 +1052,8 @@ public:
   DWARFObjInMemory(const object::ObjectFile &Obj, const LoadedObjectInfo *L,
                    function_ref<ErrorPolicy(Error)> HandleError)
       : IsLittleEndian(Obj.isLittleEndian()),
-        AddressSize(Obj.getBytesInAddress()), FileName(Obj.getFileName()) {
+        AddressSize(Obj.getBytesInAddress()), FileName(Obj.getFileName()),
+        Obj(&Obj) {
 
     for (const SectionRef &Section : Obj.sections()) {
       StringRef Name;
@@ -1188,6 +1190,8 @@ public:
     return AI->second;
   }
 
+  const object::ObjectFile *getFile() const override { return Obj; }
+
   bool isLittleEndian() const override { return IsLittleEndian; }
   StringRef getAbbrevDWOSection() const override { return AbbrevDWOSection; }
   const DWARFSection &getLineDWOSection() const override {