Fangrui Song 3554c78d97 ELF: Use preprocessed relocations for EhInputSection scanning ...

.eh_frame sections require special sub-section processing, specifically,
CIEs are de-duplicated and FDEs are garbage collected. Create a
specialized scanEhSection() function utilizing the just-added
EhInputSection::rels. OffsetGetter is moved to scanEhSection.

This improves separation of concerns between InputSection and
EhInputSection processing.

This removes another `relsOrRelas` call using `supportsCrel=false`.
DWARF.cpp now has the last call.

Pull Request: https://github.com/llvm/llvm-project/pull/161091

2025-09-29 20:39:49 -07:00

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