Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <asm/ptrace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <linux/error-injection.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <linux/kprobes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) void override_function_with_return(struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	 * Emulate 'br 14'. 'regs' is captured by kprobes on entry to some
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	 * kernel function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	regs->psw.addr = regs->gprs[14];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) NOKPROBE_SYMBOL(override_function_with_return);