tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _SPARC64_KPROBES_H
2#define _SPARC64_KPROBES_H
3
4#include <linux/types.h>
5#include <linux/percpu.h>
6
7typedef u32 kprobe_opcode_t;
8
9#define BREAKPOINT_INSTRUCTION 0x91d02070 /* ta 0x70 */
10#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
11#define MAX_INSN_SIZE 2
12
13#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
14#define arch_remove_kprobe(p) do {} while (0)
15#define ARCH_INACTIVE_KPROBE_COUNT 0
16
17#define flush_insn_slot(p) \
18do { flushi(&(p)->ainsn.insn[0]); \
19 flushi(&(p)->ainsn.insn[1]); \
20} while (0)
21
22/* Architecture specific copy of original instruction*/
23struct arch_specific_insn {
24 /* copy of the original instruction */
25 kprobe_opcode_t insn[MAX_INSN_SIZE];
26};
27
28struct prev_kprobe {
29 struct kprobe *kp;
30 unsigned long status;
31 unsigned long orig_tnpc;
32 unsigned long orig_tstate_pil;
33};
34
35/* per-cpu kprobe control block */
36struct kprobe_ctlblk {
37 unsigned long kprobe_status;
38 unsigned long kprobe_orig_tnpc;
39 unsigned long kprobe_orig_tstate_pil;
40 struct pt_regs jprobe_saved_regs;
41 struct prev_kprobe prev_kprobe;
42};
43
44extern int kprobe_exceptions_notify(struct notifier_block *self,
45 unsigned long val, void *data);
46#endif /* _SPARC64_KPROBES_H */