[lld] [llvm] [llvm-objdump][ARM] Find ELF file PLT entries for arm, thumb (PR #130764)

[Fangrui Song via llvm-commits]

================
@@ -0,0 +1,81 @@
+# RUN: yaml2obj %s -o %t
----------------
MaskRay wrote:

We need ET_DYN / ET_EXE to test .plt, but due to project layering we cannot use lld here.
Therefore, we resort to yaml2obj, but I can see that these `plt*` files could be challenging to update.

Is it possible to use `yaml2obj -D...` to remove some duplication?

https://github.com/llvm/llvm-project/pull/130764