[llvm] [llvm-objcopy] Handle SHF_ALLOC relocation sections in relocatable files (PR #227204)

[James Henderson via llvm-commits]

================
@@ -0,0 +1,42 @@
+## In a relocatable file, an SHF_ALLOC relocation section (e.g. .klp.rela.* in
+## Linux livepatch modules) is a static relocation section: its symbol indexes
+## are updated and the symbols it references are kept.
+
+# RUN: yaml2obj %s -o %t
+# RUN: llvm-strip --strip-unneeded %t -o %t1
----------------
jh7370 wrote:

Just to clarify: you're using `--strip-unneeded` here to exercise the difference between dynamic and static relocation handling and you could equally use other options to demonstrate it?

https://github.com/llvm/llvm-project/pull/227204