root/arch/x86/kernel/ibt_selftest.S
/* 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)