[PATCH] D75225: [ELF] Keep orphan section names (.rodata.foo .text.foo) unchanged if !hasSectionsCommand

[Fangrui Song via Phabricator via llvm-commits]

MaskRay created this revision.
MaskRay added reviewers: grimar, kees, nickdesaulniers, psmith, ruiu.
Herald added subscribers: llvm-commits, atanasyan, jrtc27, arichardson, emaste.
Herald added a reviewer: espindola.
Herald added a project: LLVM.
MaskRay edited the summary of this revision.

This behavior matches GNU ld and seems reasonable.

  // If a SECTIONS command is not specified
  .text.* -> .text
  .rodata.* -> .rodata
  .init_array.* -> .init_array

A proposed Linux feature CONFIG_FG_KASLR may depend on the GNU ld behavior.

Reword a comment about -z keep-text-section-prefix.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D75225

Files:
  lld/ELF/Writer.cpp
  lld/test/ELF/linkerscript/data-commands-gc.s
  lld/test/ELF/linkerscript/icf-output-sections.s
  lld/test/ELF/linkerscript/linkorder.s
  lld/test/ELF/linkerscript/linkorder2.s
  lld/test/ELF/linkerscript/memory3.s
  lld/test/ELF/linkerscript/orphan-report.s
  lld/test/ELF/linkerscript/symbol-assign-many-passes2.test
  lld/test/ELF/mips-npic-call-pic-script.s
  lld/test/ELF/shuffle-sections-init-fini.s
  lld/test/ELF/text-section-prefix.s

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