tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / tools / testing / selftests / arm64 / bti / trampoline.S
at v6.6 29 lines 407 B view raw
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) 2019 Arm Limited 4 * Original author: Dave Martin <Dave.Martin@arm.com> 5 */ 6 7#include "assembler.h" 8 9startfn call_using_br_x0 10 bti c 11 br x0 12endfn 13 14startfn call_using_br_x16 15 bti c 16 mov x16, x0 17 br x16 18endfn 19 20startfn call_using_blr 21 paciasp 22 stp x29, x30, [sp, #-16]! 23 blr x0 24 ldp x29, x30, [sp], #16 25 autiasp 26 ret 27endfn 28 29emit_aarch64_feature_1_and