Execute-only status report

Sponsored:

Every click leaves a trail. PureVPN shields your data from hackers, hides your location, and keeps your browsing private—especially on public Wi‑Fi.

In a world where your information is constantly exposed, a VPN puts control back in your hands.

Protect your privacy today—get PureVPN now.

Author:
Source

Theo de Raadt (deraadt@) posted
to tech@ a
status report
(and 2
test programs)
regarding execute-only (xonly).
The report begins:

We've made good progress in the xonly effort so here's a small summary.

architectures crossed over completely

	arm64 - X bit without implied R in mmu
	riscv64  - X bit without implied R in mmu
	amd64 - using hardware 'PKU' feature
	powerpc64 - using feature similar to PKU
	hppa - using gateway feature

Read more