elf_common.h: Add AArch64 Memtag ABI constants
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Authored by emaste on Feb 24 2026, 1:53 PM.

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rG9712b5e4b58b: elf_common.h: Add AArch64 Memtag ABI constants
rGd971bc5220f7: elf_common.h: Add AArch64 Memtag ABI constants

Summary

Obtained from the Memtag ABI Extension to ELF for the Arm® 64-bit
Architecture (AArch64) [1]

[1] https://github.com/ARM-software/abi-aa/blob/main/memtagabielf64/memtagabielf64.rst#dynamic-section

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rG FreeBSD src repository

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Event Timeline

emaste requested review of this revision.Feb 24 2026, 1:53 PM

emaste created this revision.

emaste mentioned this in D55480: ELF: detect and reject CheriABI binaries.Feb 24 2026, 2:25 PM

andrew added inline comments.Feb 24 2026, 3:52 PM

sys/sys/elf_common.h
474–475	Should these be before `SHT_AMD64_UNWIND` to keep the alphabetical order?

rebase

I don

sys/sys/elf_common.h
474–475	Rebased after shuffling SHT_X86_64_UNWIND and SHT_AMD64_UNWIND to the bottom.

andrew accepted this revision.Feb 25 2026, 10:16 AM

This revision is now accepted and ready to land.Feb 25 2026, 10:16 AM

Closed by commit rGd971bc5220f7: elf_common.h: Add AArch64 Memtag ABI constants (authored by emaste). · Explain WhyFeb 26 2026, 2:42 PM

This revision was automatically updated to reflect the committed changes.

emaste added a commit: rGd971bc5220f7: elf_common.h: Add AArch64 Memtag ABI constants.

Herald added a subscriber: imp. · View Herald TranscriptFeb 26 2026, 2:42 PM

emaste added a commit: rG9712b5e4b58b: elf_common.h: Add AArch64 Memtag ABI constants.Mar 8 2026, 12:57 PM

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sys/

elf_common.h

8 lines

Diff 172770

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elf_common.h: Add AArch64 Memtag ABI constantsClosedPublicActions