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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_KPROBES_H
#define __ASM_SH_KPROBES_H
#include <asm-generic/kprobes.h>
#define BREAKPOINT_INSTRUCTION 0xc33a
#ifdef CONFIG_KPROBES
#include <linux/types.h>
#include <linux/ptrace.h>
typedef insn_size_t kprobe_opcode_t;
#define MAX_INSN_SIZE 16
#define MAX_STACK_SIZE 64
#define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \
(((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \
? (MAX_STACK_SIZE) \
: (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
#define flush_insn_slot(p) do { } while (0)
#define kretprobe_blacklist_size 0
struct kprobe;
void arch_remove_kprobe(struct kprobe *);
void kretprobe_trampoline(void);
void jprobe_return_end(void);
/* Architecture specific copy of original instruction*/
struct arch_specific_insn {
/* copy of the original instruction */
kprobe_opcode_t insn[MAX_INSN_SIZE];
};
struct prev_kprobe {
struct kprobe *kp;
unsigned long status;
};
/* per-cpu kprobe control block */
struct kprobe_ctlblk {
unsigned long kprobe_status;
unsigned long jprobe_saved_r15;
struct pt_regs jprobe_saved_regs;
kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE];
struct prev_kprobe prev_kprobe;
};
extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
extern int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
extern int kprobe_handle_illslot(unsigned long pc);
#else
#define kprobe_handle_illslot(pc) (-1)
#endif /* CONFIG_KPROBES */
#endif /* __ASM_SH_KPROBES_H */
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