| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #include <linux/linkage.h> |
| 3 | #include <linux/objtool.h> |
| 4 | #include <asm/nospec-branch.h> |
| 5 | |
| 6 | SYM_CODE_START(ibt_selftest_noendbr) |
| 7 | ANNOTATE_NOENDBR |
| 8 | UNWIND_HINT_FUNC |
| 9 | /* #CP handler sets %ax to 0 */ |
| 10 | RET |
| 11 | SYM_CODE_END(ibt_selftest_noendbr) |
| 12 | |
| 13 | SYM_FUNC_START(ibt_selftest) |
| 14 | lea ibt_selftest_noendbr(%rip), %rax |
| 15 | ANNOTATE_RETPOLINE_SAFE |
| 16 | jmp *%rax |
| 17 | SYM_FUNC_END(ibt_selftest) |
| 18 |