PPC/s390: Replacing pc with trampoline on stack (gc-stress fix)
Port 895c3219 Original Commit Message: Replacing pc with trampoline on stack This CL is the follow up of https://chromium-review.googlesource.com/c/586707/ which used to crash when running the gc-stress bots. It seems to be working now. We now keep the trampoline PC in the Safepoint table and use that information to find SafepointEntries. There's some refactoring that can be done, such as changing the code for exceptions in a similar way and removing the trampoline from the DeoptimizationInputData. Will take care of this in the next CL. R=jupvfranco@google.com, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com BUG= LOG=N Change-Id: I9871d110dcf7e390cf5fb2819ae1fa159c58ae84 Reviewed-on: https://chromium-review.googlesource.com/598768 Commit-Queue: Jaideep Bajwa <bjaideep@ca.ibm.com> Reviewed-by: Joran Siu <joransiu@ca.ibm.com> Reviewed-by: Junliang Yan <jyan@ca.ibm.com> Cr-Commit-Position: refs/heads/master@{#47092}
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