[PATCH] D36823: [LLD][ELF] Read ARM BuildAttributes section to determine supported features.

[Peter Smith via Phabricator via llvm-commits]

peter.smith updated this revision to Diff 117491.
peter.smith marked an inline comment as done.
peter.smith added a comment.

Rebased, to account for changes in Driver.c. Is there anything I can do to progress this patch? At present lld may silently use instructions that will break on older Arm CPUs that don't support them. This patch gives a warning, and I have follow up patches that add compatible alternatives.


https://reviews.llvm.org/D36823

Files:
  ELF/Config.h
  ELF/Driver.cpp
  ELF/InputFiles.cpp
  test/ELF/arm-bl-v6.s
  test/ELF/arm-blx-v4t.s

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