Bug 229629

Summary: Changed ARM64 probe trampoline to do ptr auth the standard way.
Product: WebKit Reporter: Mark Lam <mark.lam>
Component: JavaScriptCoreAssignee: Mark Lam <mark.lam>
Status: RESOLVED FIXED    
Severity: Normal CC: ews-watchlist, keith_miller, msaboff, saam, tzagallo, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=229618
Attachments:
Description Flags
proposed patch. saam: review+

Description Mark Lam 2021-08-27 13:55:13 PDT 
Make it check a pointer auth the same way Clang does it.
Comment 1 Radar WebKit Bug Importer 2021-08-27 13:56:33 PDT 
<rdar://problem/82453220>
Comment 2 Mark Lam 2021-08-27 14:10:22 PDT 
Created attachment 436672 [details]
proposed patch.
Comment 3 Mark Lam 2021-08-27 14:17:00 PDT 
Thanks for the review.  Landed in r281720: <http://trac.webkit.org/r281720>.
Comment 4 Mark Lam 2021-08-27 14:18:25 PDT 
This patch also fixes a regression introduced in r281718 landed for https://bugs.webkit.org/show_bug.cgi?id=229618.