1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _SPARC64_KPROBES_H
3#define _SPARC64_KPROBES_H
4
5#include <asm-generic/kprobes.h>
6
7#define BREAKPOINT_INSTRUCTION   0x91d02070 /* ta 0x70 */
8#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
9
10#ifdef CONFIG_KPROBES
11#include <linux/types.h>
12#include <linux/percpu.h>
13
14typedef u32 kprobe_opcode_t;
15
16#define MAX_INSN_SIZE 2
17
18#define kretprobe_blacklist_size 0
19
20#define arch_remove_kprobe(p)	do {} while (0)
21
22#define flush_insn_slot(p)		\
23do { 	flushi(&(p)->ainsn.insn[0]);	\
24	flushi(&(p)->ainsn.insn[1]);	\
25} while (0)
26
27void __kretprobe_trampoline(void);
28
29/* Architecture specific copy of original instruction*/
30struct arch_specific_insn {
31	/* copy of the original instruction */
32	kprobe_opcode_t insn[MAX_INSN_SIZE];
33};
34
35struct prev_kprobe {
36	struct kprobe *kp;
37	unsigned long status;
38	unsigned long orig_tnpc;
39	unsigned long orig_tstate_pil;
40};
41
42/* per-cpu kprobe control block */
43struct kprobe_ctlblk {
44	unsigned long kprobe_status;
45	unsigned long kprobe_orig_tnpc;
46	unsigned long kprobe_orig_tstate_pil;
47	struct prev_kprobe prev_kprobe;
48};
49
50int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
51asmlinkage void __kprobes kprobe_trap(unsigned long trap_level,
52				      struct pt_regs *regs);
53
54#endif /* CONFIG_KPROBES */
55#endif /* _SPARC64_KPROBES_H */
56