Joshua Peraza 0a8985cd20 linux,arm: support memory tagging
64-bit ARM's Top-Byte-Ignore enables features such as memory tagging.
https://www.kernel.org/doc/html/latest/arm64/tagged-address-abi.html

Android 11 will start using memory tagging on some devices.
https://source.android.com/devices/tech/debug/tagged-pointers

Crashpad needs to remove the tags from pointers before comparing to
addresses or using with system calls.

Bug: crashpad:364
Change-Id: I67c6b9a4a86d090e1d139de727eb06d9e222cc25
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3078500
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Joshua Peraza <jperaza@chromium.org>
2021-10-13 21:23:34 +00:00
..
2021-10-13 21:23:34 +00:00
2021-09-21 15:09:44 +00:00
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