[all-commits] [llvm/llvm-project] 122d36: [llvm-objcopy] --[de]compress-debug-sections: don'...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 122d368b2b120ff233e66658862b90f185f65c6e
      https://github.com/llvm/llvm-project/commit/122d368b2b120ff233e66658862b90f185f65c6e
  Author: Fangrui Song <i at maskray.me>
  Date:   2024-03-13 (Wed, 13 Mar 2024)

  Changed paths:
    M llvm/lib/ObjCopy/ELF/ELFObjcopy.cpp
    M llvm/lib/ObjCopy/ELF/ELFObject.h
    M llvm/test/tools/llvm-objcopy/ELF/Inputs/compress-debug-sections.yaml
    M llvm/test/tools/llvm-objcopy/ELF/compress-debug-sections-zlib.test
    M llvm/test/tools/llvm-objcopy/ELF/compress-debug-sections-zstd.test
    A llvm/test/tools/llvm-objcopy/ELF/decompress-sections.test

  Log Message:
  -----------
  [llvm-objcopy] --[de]compress-debug-sections: don't compress SHF_ALLOC sections, only decompress .debug sections

Simplify --[de]compress-debug-sections to make it easier to add custom section [de]compression.
Change the following two behaviors to match GNU objcopy.

* --compress-debug-sections compresses SHF_ALLOC sections while GNU
  doesn't.
* --decompress-debug-sections decompresses non-debug sections while GNU
  doesn't.

Pull Request: https://github.com/llvm/llvm-project/pull/84885



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