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

[Paul Kirth via llvm-commits]

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@@ -5260,6 +5307,247 @@ template <class ELFT> void GNUELFDumper<ELFT>::printCGProfile() {
   OS << "GNUStyle::printCGProfile not implemented\n";
 }
 
+template <class ELFT>
+static std::optional<object::SectionRef>
+getCallGraphSection(const object::ELFObjectFile<ELFT> &ObjF) {
+  // Get the .callgraph section.
+  StringRef CallGraphSectionName(".callgraph");
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ilovepi wrote:

Seeing this here reminds me that we may want this to be `.llvm.callgraph` over `.callgraph`.

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