[PATCH] D82274: [llvm-objcopy] Emit error if removing symbol table referenced by SHT_GROUP section

[Georgy Komarov via Phabricator via llvm-commits]

jubnzv created this revision.
jubnzv added reviewers: jhenderson, MaskRay, grimar, ikudrin.
Herald added subscribers: llvm-commits, abrachet, emaste.
Herald added a reviewer: espindola.
Herald added a reviewer: alexshap.
Herald added a reviewer: rupprecht.
Herald added a project: LLVM.

SHT_GROUP sections contain a reference to a symbol indicating their "signature" symbol. The symbol table containing this symbol is referred to by the group section's sh_link field. If llvm-objcopy is instructed to remove the symbol table, it will emit an error.

This fixes https://bugs.llvm.org/show_bug.cgi?id=46153.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D82274

Files:
  llvm/test/tools/llvm-objcopy/ELF/group.test
  llvm/tools/llvm-objcopy/ELF/Object.cpp
  llvm/tools/llvm-objcopy/ELF/Object.h

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