| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * trampoline entry and return code for kretprobes. |
| 4 | */ |
| 5 | |
| 6 | #include <linux/linkage.h> |
| 7 | #include <asm/asm-bug.h> |
| 8 | #include <asm/assembler.h> |
| 9 | |
| 10 | .text |
| 11 | |
| 12 | SYM_CODE_START(__kretprobe_trampoline) |
| 13 | /* |
| 14 | * Trigger a breakpoint exception. The PC will be adjusted by |
| 15 | * kretprobe_brk_handler(), and no subsequent instructions will |
| 16 | * be executed from the trampoline. |
| 17 | */ |
| 18 | brk #KRETPROBES_BRK_IMM |
| 19 | ASM_BUG() |
| 20 | SYM_CODE_END(__kretprobe_trampoline) |
| 21 | |