[llvm] [llvm-readobj] Dump callgraph section info for ELF (PR #157499)

[Paul Kirth via llvm-commits]

================
@@ -433,6 +461,23 @@ template <typename ELFT> class ELFDumper : public ObjDumper {
       const typename SFrameParser<ELFT::Endianness>::FDERange::iterator FDE,
       ArrayRef<Relocation<ELFT>> Relocations, const Elf_Shdr *RelocSymTab);
 
+  using FunctionCallgraphInfo =
+      ::FunctionCallgraphInfoImpl<typename ELFT::uint>;
+
+  // Callgraph - Main data structure to maintain per function callgraph
+  // information.
+  MapVector<typename ELFT::uint, FunctionCallgraphInfo> FuncCGInfos;
+
+  // // Callgraph - 64 bit type id mapped to entry PC addresses of functions
+  // which
+  // // are of the given type id.
----------------
ilovepi wrote:

```suggestion
  // Callgraph - 64 bit type id mapped to entry PC addresses of functions
  // which are of the given type id.
```

https://github.com/llvm/llvm-project/pull/157499