xref: /openbmc/linux/arch/arm64/include/asm/probes.h (revision 39a67d49)
12dd0e8d2SSandeepa Prabhu /*
22dd0e8d2SSandeepa Prabhu  * arch/arm64/include/asm/probes.h
32dd0e8d2SSandeepa Prabhu  *
42dd0e8d2SSandeepa Prabhu  * Copyright (C) 2013 Linaro Limited
52dd0e8d2SSandeepa Prabhu  *
62dd0e8d2SSandeepa Prabhu  * This program is free software; you can redistribute it and/or modify
72dd0e8d2SSandeepa Prabhu  * it under the terms of the GNU General Public License version 2 as
82dd0e8d2SSandeepa Prabhu  * published by the Free Software Foundation.
92dd0e8d2SSandeepa Prabhu  *
102dd0e8d2SSandeepa Prabhu  * This program is distributed in the hope that it will be useful,
112dd0e8d2SSandeepa Prabhu  * but WITHOUT ANY WARRANTY; without even the implied warranty of
122dd0e8d2SSandeepa Prabhu  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
132dd0e8d2SSandeepa Prabhu  * General Public License for more details.
142dd0e8d2SSandeepa Prabhu  */
152dd0e8d2SSandeepa Prabhu #ifndef _ARM_PROBES_H
162dd0e8d2SSandeepa Prabhu #define _ARM_PROBES_H
172dd0e8d2SSandeepa Prabhu 
1839a67d49SSandeepa Prabhu #include <asm/opcodes.h>
1939a67d49SSandeepa Prabhu 
202dd0e8d2SSandeepa Prabhu struct kprobe;
212dd0e8d2SSandeepa Prabhu struct arch_specific_insn;
222dd0e8d2SSandeepa Prabhu 
232dd0e8d2SSandeepa Prabhu typedef u32 kprobe_opcode_t;
242dd0e8d2SSandeepa Prabhu typedef void (kprobes_handler_t) (u32 opcode, long addr, struct pt_regs *);
252dd0e8d2SSandeepa Prabhu 
262dd0e8d2SSandeepa Prabhu /* architecture specific copy of original instruction */
272dd0e8d2SSandeepa Prabhu struct arch_specific_insn {
282dd0e8d2SSandeepa Prabhu 	kprobe_opcode_t *insn;
2939a67d49SSandeepa Prabhu 	pstate_check_t *pstate_cc;
302dd0e8d2SSandeepa Prabhu 	kprobes_handler_t *handler;
312dd0e8d2SSandeepa Prabhu 	/* restore address after step xol */
322dd0e8d2SSandeepa Prabhu 	unsigned long restore;
332dd0e8d2SSandeepa Prabhu };
342dd0e8d2SSandeepa Prabhu 
352dd0e8d2SSandeepa Prabhu #endif
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