GitLab

Support stack unwinding for tracing sampling profiler, in arm64
builds. The builds always enable frame pointers, so stack unwinding can
be done using frame pointers.


Future work: Support module cache for arm 64.

BUG=1110044

Change-Id: If98bcc5582edc75b61c5a385cd29535f4a6ee195
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2321230
Commit-Queue: ssid <ssid@chromium.org>
Reviewed-by: Mike Wittman <wittman@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: oysteine <oysteine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#805274}