kprobes_trampoline.S

 1/* SPDX-License-Identifier: GPL-2.0+ */
 2
 3#include <linux/linkage.h>
 4
 5#include <abi/entry.h>
 6
 7ENTRY(__kretprobe_trampoline)
 8	SAVE_REGS_FTRACE
 9
10	mov	a0, sp /* pt_regs */
11
12	jbsr	trampoline_probe_handler
13
14	/* use the result as the return-address */
15	mov	lr, a0
16
17	RESTORE_REGS_FTRACE
18	rts
19ENDPROC(__kretprobe_trampoline)