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Differential D54711

rtld: Use uintptr_t instead of Elf_Addr for init/fini function pointers
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Authored by jhb on Jan 14 2026, 3:30 PM.
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Subscribers
bdragon
imp

Details

Reviewers
kib
jrtc27
imp
Group Reviewers
cheri
Commits
rG3c01c7df9840: rtld: Use uintptr_t instead of Elf_Addr for init/fini function pointers
rGe96ec1a1eb93: rtld: Use uintptr_t instead of Elf_Addr for init/fini function pointers
Summary

This is a no-op on non-CHERI architectures, but is required for CHERI
where Elf_Addr is only an address and not a complete pointer.

While here, consistently use uintptr_t * for arrays of init/fini
function pointers.

Effort: CHERI upstreaming
Obtained from: CheriBSD
Sponsored by: AFRL, DARPA

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 69877
Build 66760: arc lint + arc unit

Event Timeline

jhb created this revision.Jan 14 2026, 3:30 PM
Herald added subscribers: bdragon, imp. · View Herald TranscriptJan 14 2026, 3:30 PM
jhb requested review of this revision.Jan 14 2026, 3:30 PM
Herald added a reviewer: cheri. · View Herald TranscriptJan 14 2026, 3:30 PM
jhb added a parent revision: D54710: rtld: Simplify walking program headers.Jan 14 2026, 3:30 PM
jhb added a child revision: D54712: rtld: Switch to using <assert.h> for assert.
Harbormaster completed remote builds in B69877: Diff 169703.Jan 14 2026, 3:30 PM
imp accepted this revision.Jan 14 2026, 3:36 PM

This is a nice cleanup and eliminates a void * -> void ** type smearing we had with ElfAddr and should be a nop if I read right.

This revision is now accepted and ready to land.Jan 14 2026, 3:36 PM
kib accepted this revision.Jan 14 2026, 3:56 PM
Closed by commit rGe96ec1a1eb93: rtld: Use uintptr_t instead of Elf_Addr for init/fini function pointers (authored by jhb). · Explain WhyJan 14 2026, 5:12 PM
This revision was automatically updated to reflect the committed changes.
jhb added a commit: rGe96ec1a1eb93: rtld: Use uintptr_t instead of Elf_Addr for init/fini function pointers.
jhb added a commit: rG3c01c7df9840: rtld: Use uintptr_t instead of Elf_Addr for init/fini function pointers.Apr 24 2026, 3:29 PM

Revision Contents
Changeset List

PathSize
libexec/
rtld-elf/
10 lines
42 lines

Diff 169703

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libexec/rtld-elf/rtld.h

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libexec/rtld-elf/rtld.c

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