License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[sfrench/cifs-2.6.git] / arch / sparc / include / asm / kprobes.h
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 pt_regs jprobe_saved_regs;
48         struct prev_kprobe prev_kprobe;
49 };
50
51 int kprobe_exceptions_notify(struct notifier_block *self,
52                              unsigned long val, void *data);
53 int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
54 asmlinkage void __kprobes kprobe_trap(unsigned long trap_level,
55                                       struct pt_regs *regs);
56
57 #endif /* CONFIG_KPROBES */
58 #endif /* _SPARC64_KPROBES_H */