[llvm] Add --offoading option to llvm-readobj (PR #143342)

[James Henderson via llvm-commits]

================
@@ -230,4 +232,14 @@ void ObjDumper::printSectionsAsHex(const object::ObjectFile &Obj,
   }
 }
 
+void ObjDumper::printOffloading(const object::ObjectFile &Obj) {
+  SmallVector<llvm::object::OffloadBundleFatBin> Bundles;
+  if (Error Err = object::extractOffloadBundleFatBinary(Obj, Bundles))
+    reportError(std::move(Err), Obj.getFileName());
----------------
jh7370 wrote:

We generally try to use `reportWarning` or `reportUniqueWarning` rather than `reportError` in llvm-readobj code, because it allows other options to continue dumping, even if the input is somehow malformed, preventing dumping of one option.

https://github.com/llvm/llvm-project/pull/143342