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Support BTI in rtld

Description

Support BTI in rtld

Read the elf note to decide when to set the guard page on arm64.

Reviewed by: kib
Sponsored by: Arm Ltd
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D39452

Details

Provenance
andrewAuthored on Apr 5 2023, 12:44 PM
Reviewer
kib
Differential Revision
D39452: Support BTI in rtld
Parents
rG38cc6c3d95d4: atrtc(4): Fix a typo in a sysctl description
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