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
14 typedef 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) \
23 do { flushi(&(p)->ainsn.insn[0]); \
24 flushi(&(p)->ainsn.insn[1]); \
25 } while (0)
26
27 void __kretprobe_trampoline(void);
28
29 /* Architecture specific copy of original instruction*/
30 struct arch_specific_insn {
31 /* copy of the original instruction */
32 kprobe_opcode_t insn[MAX_INSN_SIZE];
33 };
34
35 struct 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 */
43 struct 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
50 int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
51 asmlinkage void __kprobes kprobe_trap(unsigned long trap_level,
52 struct pt_regs *regs);
53
54 #endif /* CONFIG_KPROBES */
55 #endif /* _SPARC64_KPROBES_H */
56
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