kprobes.h (1407B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __ASM_SH_KPROBES_H 3#define __ASM_SH_KPROBES_H 4 5#include <asm-generic/kprobes.h> 6 7#define BREAKPOINT_INSTRUCTION 0xc33a 8 9#ifdef CONFIG_KPROBES 10 11#include <linux/types.h> 12#include <linux/ptrace.h> 13 14typedef insn_size_t kprobe_opcode_t; 15 16#define MAX_INSN_SIZE 16 17#define MAX_STACK_SIZE 64 18#define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \ 19 (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \ 20 ? (MAX_STACK_SIZE) \ 21 : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) 22 23#define flush_insn_slot(p) do { } while (0) 24#define kretprobe_blacklist_size 0 25 26struct kprobe; 27 28void arch_remove_kprobe(struct kprobe *); 29void __kretprobe_trampoline(void); 30 31/* Architecture specific copy of original instruction*/ 32struct arch_specific_insn { 33 /* copy of the original instruction */ 34 kprobe_opcode_t insn[MAX_INSN_SIZE]; 35}; 36 37struct prev_kprobe { 38 struct kprobe *kp; 39 unsigned long status; 40}; 41 42/* per-cpu kprobe control block */ 43struct kprobe_ctlblk { 44 unsigned long kprobe_status; 45 struct prev_kprobe prev_kprobe; 46}; 47 48extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); 49extern int kprobe_exceptions_notify(struct notifier_block *self, 50 unsigned long val, void *data); 51extern int kprobe_handle_illslot(unsigned long pc); 52#else 53 54#define kprobe_handle_illslot(pc) (-1) 55 56#endif /* CONFIG_KPROBES */ 57#endif /* __ASM_SH_KPROBES_H */