[all-commits] [llvm/llvm-project] a93132: [llvm-objcopy][ELF] Fix removing SHT_GROUP sections.

[Igor Kudrin via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: a9313282cd5413ed498dceb763ebba12ea5bdecd
      https://github.com/llvm/llvm-project/commit/a9313282cd5413ed498dceb763ebba12ea5bdecd
  Author: Igor Kudrin <ikudrin at accesssoftek.com>
  Date:   2020-05-29 (Fri, 29 May 2020)

  Changed paths:
    A llvm/test/tools/llvm-objcopy/ELF/remove-section-group.test
    M llvm/tools/llvm-objcopy/ELF/Object.cpp
    M llvm/tools/llvm-objcopy/ELF/Object.h

  Log Message:
  -----------
  [llvm-objcopy][ELF] Fix removing SHT_GROUP sections.

When a SHT_GROUP section is removed, but other sections of the group are
kept, the SHF_GROUP flag of these sections should be dropped, otherwise
the resulting ELF file will be malformed.

Differential Revision: https://reviews.llvm.org/D80511


  Commit: 5b875bf59b068f3db91c750b24030a7b2bd164aa
      https://github.com/llvm/llvm-project/commit/5b875bf59b068f3db91c750b24030a7b2bd164aa
  Author: Igor Kudrin <ikudrin at accesssoftek.com>
  Date:   2020-05-29 (Fri, 29 May 2020)

  Changed paths:
    A llvm/test/tools/llvm-objcopy/ELF/remove-section-in-group.test
    M llvm/tools/llvm-objcopy/ELF/Object.cpp
    M llvm/tools/llvm-objcopy/ELF/Object.h

  Log Message:
  -----------
  [llvm-objcopy][ELF] Fix removing a group member.

When a group member is removed, the corresponding record in the
SHT_GROUP section has to be deleted.

This fixes PR46064.

Differential Revision: https://reviews.llvm.org/D80568


Compare: https://github.com/llvm/llvm-project/compare/99a3b20452b1...5b875bf59b06