Hi everyone, This patch adds signing and validation of LinkRegister when storing to and Loading from stack using Pointer Authentication Codes (PACs).
PAC support is turned on or off at compile time based on the presence of the __ARM_FEATURE_PAC_DEFAULT feature macro. Without PAC enabled at compile time, no additional instruction will be emitted at all. A binary compiled with PAC support can be executed on processors without PAC support because the instructions are defined in NOP space. Regression tested in in a PAC-enabled environment - no issues. Could someone please have a look and give feedback? Thanks + Best Regards, André IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.
arm64-Add-Armv8.3-A-PAC-support-to-assembly-files.patch
Description: arm64-Add-Armv8.3-A-PAC-support-to-assembly-files.patch
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