Brian Sheedy dff7d5afd5 Revert "arm: Allow the first function to use linked register as return pc" ...

This reverts commit f2b3ab5e0a.

Reason for revert: Causes symbolization errors on ARM ChromeOS
devices crbug.com/1182948.

Original change's description:
> arm: Allow the first function to use linked register as return pc
>
> For a crash at the function entry with corrupted PC, the caller's PC
> could be lying in the link register. Using the PC from link register
> would be more effective than blindly scanning the stack immediately.
>
> Change-Id: I51673b7298e70faeeab2bfa97075e3c4793f94bc
> Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2678992
> Reviewed-by: Mike Frysinger <vapier@chromium.org>
> Reviewed-by: Joshua Peraza <jperaza@chromium.org>

Bug: 1182948
Change-Id: I2818b35ab1fb99012919cccc0fb80368e456ca15
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2765164
Reviewed-by: Joshua Peraza <jperaza@chromium.org>

2021-03-16 18:00:35 +00:00

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