[PATCH] D111717: [ELF] Avoid adding orphan sections to a less fit segment
Igor Kudrin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Oct 13 08:00:09 PDT 2021
ikudrin created this revision.
ikudrin added reviewers: MaskRay, peter.smith.
ikudrin added projects: lld, LLVM.
Herald added subscribers: arichardson, emaste.
ikudrin requested review of this revision.
This is an alternative for D111137 <https://reviews.llvm.org/D111137>.
If segments are defined in a linker script, placing an orphan section before the found closest-rank section can result in adding it in a previous segment and changing flags of that segment. This happens if the orphan section has a lower sort rank than the found section. To avoid that, the patch forces orphan sections to be moved after the found sections if segments are explicitly defined.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D111717
Files:
lld/ELF/Writer.cpp
lld/test/ELF/aarch64-thunk-pi.s
lld/test/ELF/linkerscript/implicit-program-header.test
lld/test/ELF/linkerscript/orphan-phdrs2.test
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