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_exceptions_notify(struct notifier_block *self, 51 unsigned long val, void *data); 52int kprobe_fault_handler(struct pt_regs *regs, int trapnr); 53asmlinkage void __kprobes kprobe_trap(unsigned long trap_level, 54 struct pt_regs *regs); 55 56#endif /* CONFIG_KPROBES */ 57#endif /* _SPARC64_KPROBES_H */ 58