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rtld: Add arm64 variant pcs tests

Description

rtld: Add arm64 variant pcs tests

When marking a function as variant pcs we can use registers not normally
used in procedure calls. Add a test that uses this and stores all
general purpose registers to a buffer and compare this buffer with the
expected value later.

Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D44870

Details

Provenance
andrewAuthored on Apr 19 2024, 10:07 AM
Differential Revision
D44870: rtld: Add arm64 variant pcs tests
Parents
rGd51fa0a9b11d: rtld: Add support for arm64 variant pcs
Branches
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Tags
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Reverted By
rG2228d7c5998b: Revert "rtld: Add arm64 variant pcs tests"