| commit | 26cda9e20466058229e98f6bf771e7cad68314ed | [log] [tgz] |
|---|---|---|
| author | Ties Stuij <ties.stuij@arm.com> | Fri Dec 10 09:36:19 2021 +0000 |
| committer | Copybara-Service <copybara-worker@google.com> | Fri Dec 10 01:55:47 2021 -0800 |
| tree | 90d9e65b4f058d0f19ab45ab843042375532e4a9 | |
| parent | 84d6eaf5fb952c695f6934b94cbcdec7cadc2739 [diff] |
[ARM][libcxxabi] Add PACBTI-M support to libcxxabi This change consists of just adding 'BTI' to the prologue of Arm assembly functions, which is just the one: __cxa_end_cleanup This patch is part of a series that adds support for the PACBTI-M extension of the Armv8.1-M architecture, as detailed here: https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/armv8-1-m-pointer-authentication-and-branch-target-identification-extension The PACBTI-M specification can be found in the Armv8-M Architecture Reference Manual: https://developer.arm.com/documentation/ddi0553/latest The following people contributed to this patch: - Mikhail Maltsev Reviewed By: lenary, danielkiss Differential Revision: https://reviews.llvm.org/D112432 GitOrigin-RevId: 69faae2376c1a5beccdfbf103346354c68f3570c