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Differential D55486

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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andrew
Commits
rGf62ab5c293f6: elf_common.h: Add AArch64 Memtag ABI constants
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?

emaste updated this revision to Diff 172631.Feb 24 2026, 8:35 PM

rebase

emaste added a comment.Feb 24 2026, 8:36 PM

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
emaste added a commit: rGf62ab5c293f6: elf_common.h: Add AArch64 Memtag ABI constants.May 13 2026, 2:20 PM

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sys/
sys/
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Diff 172770

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sys/sys/elf_common.h

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