[all-commits] [llvm/llvm-project] c7fc95: [Object][Archive][NFC] Create all symbolic files o...

[Jacek Caban via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c7fc95baae8e662506c22511b29e1ad86b910248
      https://github.com/llvm/llvm-project/commit/c7fc95baae8e662506c22511b29e1ad86b910248
  Author: Jacek Caban <jacek at codeweavers.com>
  Date:   2024-03-15 (Fri, 15 Mar 2024)

  Changed paths:
    M llvm/lib/Object/ArchiveWriter.cpp

  Log Message:
  -----------
  [Object][Archive][NFC] Create all symbolic files objects before calculating offsets. (#85229)

This is refactoring preparing to move UseECMap computation to the
archive writer. We currently require writeArchive caller to pass that.
This is not practical for llvm-ar, which currently interprets at most
one passed object. For a reliable UseECMap, we need to interpret all
symbolic objects: we may have, for example, a list of x86_64 files
followed by aarch64 file, which indicates that we should use EC map for
x86_64 objects.

This commit interprets symbolic files in a separated pass, which will be
a convenient place to implement UseECMap computation in the follow up.
It also makes accessing the next member for AIX big archive offset
computation a bit easier.



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