JustOS/linux-6.13/arch/x86/kernel/ibt_selftest.S
justuser 02e73b8cd9 up
2025-01-24 17:00:19 +03:00

18 lines
402 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <linux/objtool.h>
#include <asm/nospec-branch.h>
SYM_CODE_START(ibt_selftest_noendbr)
ANNOTATE_NOENDBR
UNWIND_HINT_FUNC
/* #CP handler sets %ax to 0 */
RET
SYM_CODE_END(ibt_selftest_noendbr)
SYM_FUNC_START(ibt_selftest)
lea ibt_selftest_noendbr(%rip), %rax
ANNOTATE_RETPOLINE_SAFE
jmp *%rax
SYM_FUNC_END(ibt_selftest)