linux/arch/sparc/include/asm/kprobes.h

59 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SPARC64_KPROBES_H
#define _SPARC64_KPROBES_H
#include <asm-generic/kprobes.h>
#define BREAKPOINT_INSTRUCTION 0x91d02070 /* ta 0x70 */
#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
#ifdef CONFIG_KPROBES
#include <linux/types.h>
#include <linux/percpu.h>
typedef u32 kprobe_opcode_t;
#define MAX_INSN_SIZE 2
#define kretprobe_blacklist_size 0
#define arch_remove_kprobe(p) do {} while (0)
#define flush_insn_slot(p) \
do { flushi(&(p)->ainsn.insn[0]); \
flushi(&(p)->ainsn.insn[1]); \
} while (0)
void kretprobe_trampoline(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;
unsigned long orig_tnpc;
unsigned long orig_tstate_pil;
};
/* per-cpu kprobe control block */
struct kprobe_ctlblk {
unsigned long kprobe_status;
unsigned long kprobe_orig_tnpc;
unsigned long kprobe_orig_tstate_pil;
struct pt_regs jprobe_saved_regs;
struct prev_kprobe prev_kprobe;
};
int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
asmlinkage void __kprobes kprobe_trap(unsigned long trap_level,
struct pt_regs *regs);
#endif /* CONFIG_KPROBES */
#endif /* _SPARC64_KPROBES_H */