[PATCH] D50589: [llvm-objcopy] Implement -G/--keep-global-symbol(s).

[Jordan Rupprecht via Phabricator via llvm-commits]

rupprecht created this revision.
rupprecht added reviewers: jakehehrlich, jhenderson.
Herald added a reviewer: alexshap.
Herald added a subscriber: llvm-commits.

Port GNU Objcopy -G/--keep-global-symbol(s).

This is slightly different than the already-implemented --globalize-symbol, which marks a symbol as global when copying. When --keep-global-symbol (alias -G) is used, *only* those symbols marked will stay global, and all other globals are demoted to local. (Also note that it doesn't *promote* a symbol to global). Additionally, there is a pluralized version of the flag --keep-global-symbols, which effectively applies --keep-global-symbol for every non-comment in a file.


Repository:
  rL LLVM

https://reviews.llvm.org/D50589

Files:
  test/tools/llvm-objcopy/keep-global-symbols.test
  tools/llvm-objcopy/ObjcopyOpts.td
  tools/llvm-objcopy/llvm-objcopy.cpp

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