[mirror_ubuntu-jammy-kernel.git] / include / asm-sparc64 / kprobes.h

#ifndef _SPARC64_KPROBES_H
#define _SPARC64_KPROBES_H

#include <linux/types.h>
#include <linux/percpu.h>

typedef u32 kprobe_opcode_t;

#define BREAKPOINT_INSTRUCTION   0x91d02070 /* ta 0x70 */
#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
#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)

/* 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;
};

extern int kprobe_exceptions_notify(struct notifier_block *self,
				    unsigned long val, void *data);
extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
#endif /* _SPARC64_KPROBES_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _SPARC64_KPROBES_H
	2	#define _SPARC64_KPROBES_H
	3
1da177e4	4	#include <linux/types.h>
f215d985	5	#include <linux/percpu.h>
1da177e4 LT	6
	7	typedef 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
f438d914 MH	13	#define kretprobe_blacklist_size 0
f438d914 MH	14
0498b635	15	#define arch_remove_kprobe(p) do {} while (0)
f0882589 DM	16
	17	#define flush_insn_slot(p) \
	18	do { flushi(&(p)->ainsn.insn[0]); \
	19	flushi(&(p)->ainsn.insn[1]); \
	20	} while (0)
1da177e4 LT	21
	22	/* Architecture specific copy of original instruction*/
	23	struct arch_specific_insn {
	24	/* copy of the original instruction */
	25	kprobe_opcode_t insn[MAX_INSN_SIZE];
	26	};
	27
f215d985 AM	28	struct prev_kprobe {
f215d985 AM	29	struct kprobe *kp;
f0882589	30	unsigned long status;
f215d985 AM	31	unsigned long orig_tnpc;
	32	unsigned long orig_tstate_pil;
	33	};
	34
	35	/* per-cpu kprobe control block */
	36	struct kprobe_ctlblk {
	37	unsigned long kprobe_status;
	38	unsigned long kprobe_orig_tnpc;
	39	unsigned long kprobe_orig_tstate_pil;
f215d985	40	struct pt_regs jprobe_saved_regs;
f215d985 AM	41	struct prev_kprobe prev_kprobe;
	42	};
	43
1da177e4 LT	44	extern int kprobe_exceptions_notify(struct notifier_block *self,
1da177e4 LT	45	unsigned long val, void *data);
127cda1e	46	extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
1da177e4	47	#endif /* _SPARC64_KPROBES_H */