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> However unlike Linux, I could find no official statement of support so do not assume this will always be the case. TBI is used by memory tagging extension (M
by wyldfire 4y ago
> However unlike Linux, I could find no official statement of support so do not assume this will always be the case.
TBI is used by memory tagging extension (MTE; primary ingredient to "HWASAN"). I'd be pretty surprised if Apple Silicon didn't support it officially. IIRC they're 8.6 and MTE is specified in 8.5? Note that it's not the same as pointer authentication which Apple actively promotes and as I recall contributed on the community toolchain development for this feature.