rtld: add support for -z initfirst
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Authored by kib on May 3 2025, 8:48 AM.

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Reviewers

markj
olce
kevans

Commits

rG78aaab9f1cf3: rtld: add support for -z initfirst
rG31a248318023: sys/elf_common.h: add the DF_1_INITFIRST flag definition

Summary

Internally, initfirst objects and their needed objects are put on the
dedicated initlist, which is prepended to the current regular initlist
at the last moment.

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Repository

rG FreeBSD src repository

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Event Timeline

kib created this revision.May 3 2025, 8:48 AM

Herald added subscribers: bdragon, imp. · View Herald TranscriptMay 3 2025, 8:48 AM

kib requested review of this revision.May 3 2025, 8:48 AM

kib added a parent revision: D50131: sys/queue.h: add STAILQ_REVERSE.

kib added a child revision: D50133: libthr.so: mark as -z initfirst.

Adapt to the changed STAILQ_REVERSE

Rewrite to handle many more corner cases I can think of.

kib edited the summary of this revision. (Show Details)May 5 2025, 9:06 AM

kib added a reviewer: kevans.

This revision was not accepted when it landed; it landed in state Needs Review.May 6 2025, 5:16 PM

Closed by commit rG31a248318023: sys/elf_common.h: add the DF_1_INITFIRST flag definition (authored by kib). · Explain Why

This revision was automatically updated to reflect the committed changes.

kib added a commit: rG31a248318023: sys/elf_common.h: add the DF_1_INITFIRST flag definition.

kib added a commit: rG78aaab9f1cf3: rtld: add support for -z initfirst.

Revision Contents
Changeset List

Path

Size

libexec/

rtld-elf/

rtld.h

1 line

rtld.c

125 lines

Diff 154829

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libexec/rtld-elf/rtld.h