RESOLVED FIXED 220008
Add tagging to JIT probe's return address. 
https://bugs.webkit.org/show_bug.cgi?id=220008
Summary Add tagging to JIT probe's return address.
Mark Lam
Reported 2020-12-17 23:30:26 PST
rdar://71279530
Attachments
proposed patch. (7.39 KB, patch)
2020-12-17 23:35 PST, Mark Lam 		keith_miller: review+
DetailsFormatted DiffDiff
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Mark Lam
Comment 1 2020-12-17 23:35:32 PST
Created attachment 416500 [details] proposed patch.
Robin Morisset
Comment 2 2020-12-18 08:42:37 PST
Comment on attachment 416500 [details] proposed patch. View in context: https://bugs.webkit.org/attachment.cgi?id=416500&action=review LGTM, but I don't understand this code well enough to r+ it. > Source/JavaScriptCore/assembler/MacroAssemblerARM64.cpp:524 > + "sub x27, x27, #" STRINGIZE_VALUE_OF(2 * GPREG_SIZE) "\n" // The retun point PC is at 2 instructions before the end of the probe. retun -> return
Keith Miller
Comment 3 2020-12-18 10:58:33 PST
Comment on attachment 416500 [details] proposed patch. r=me
Mark Lam
Comment 4 2020-12-18 11:27:03 PST
Thanks for the reviews. Landed in r270981: <http://trac.webkit.org/r270981>.
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