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[PAC] Sign LR with B key for non-leaf functions with ptrauth-returns attr #100552

Merged
merged 1 commit into from
Jul 25, 2024
Merged

[PAC] Sign LR with B key for non-leaf functions with ptrauth-returns attr #100552

merged 1 commit into from
Jul 25, 2024

Commits on Jul 25, 2024

  1. [PAC] Sign LR with B key for non-leaf functions with ptrauth-returns … 

    …attr

For pauthtest ABI and, there is a bunch of ptrauth-* options, including
ptrauth-returns. Use "ptrauth-returns" function attribute to indicate need
for LR signing with B key for non-leaf function to avoid using
"sign-return-address" and "sign-return-address-key" which were
originally designed for pac-ret.

Co-authored-by: Ahmed Bougacha <[email protected]>
Co-authored-by: Anatoly Trosinenko <[email protected]>
    @kovdan01 @ahmedbougacha @atrosinenko
    3 people committed Jul 25, 2024
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