tree 551b3d3f76ded57951ed0b854129670a61da440d
parent 3d425bb8fbe5a7de669324b3e81f0162ce66c5b7
author Evgenii Stepanov <eugenis@google.com> 1652396078 -0700
committer Evgenii Stepanov <eugenis@google.com> 1653607133 -0700

Basic support for MTE stack tagging.

Map all stacks (primary, thread, and sigaltstack) as PROT_MTE when the
binary requests it through the ELF note.

For the reference, the note is produced by the following toolchain changes:
https://reviews.llvm.org/D118948
https://reviews.llvm.org/D119384
https://reviews.llvm.org/D119381

Bug: b/174878242
Test: fvp_mini with ToT LLVM (more tests in a separate change)

Change-Id: I04a4e21c966e7309b47b1f549a2919958d93a872