[PATCH] D112425: [ARM] emit PACBTI-M build attributes

[Ties Stuij via Phabricator via llvm-commits]

stuij created this revision.
Herald added subscribers: jdoerfert, hiraditya, kristof.beyls.
stuij requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

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:

- Victor Campos
- Ties Stuij


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D112425

Files:
  llvm/include/llvm/Support/ARMAttributeParser.h
  llvm/include/llvm/Support/ARMBuildAttributes.h
  llvm/lib/Support/ARMAttributeParser.cpp
  llvm/lib/Support/ARMBuildAttrs.cpp
  llvm/lib/Target/ARM/ARMAsmPrinter.cpp
  llvm/lib/Target/ARM/MCTargetDesc/ARMTargetStreamer.cpp
  llvm/test/CodeGen/ARM/build-attributes-encoding.s
  llvm/test/CodeGen/ARM/build-attributes.ll
  llvm/test/CodeGen/ARM/pacbti-module-attrs.ll
  llvm/test/MC/ARM/directive-eabi_attribute.s

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