[mirror_ubuntu-bionic-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 arch_remove_kprobe(p)	do {} while (0)
#define  ARCH_INACTIVE_KPROBE_COUNT 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
0498b635	13	#define arch_remove_kprobe(p) do {} while (0)
e6f47f97	14	#define ARCH_INACTIVE_KPROBE_COUNT 0
f0882589 DM	15
	16	#define flush_insn_slot(p) \
	17	do { flushi(&(p)->ainsn.insn[0]); \
	18	flushi(&(p)->ainsn.insn[1]); \
	19	} while (0)
1da177e4 LT	20
	21	/* Architecture specific copy of original instruction*/
	22	struct arch_specific_insn {
	23	/* copy of the original instruction */
	24	kprobe_opcode_t insn[MAX_INSN_SIZE];
	25	};
	26
f215d985 AM	27	struct prev_kprobe {
f215d985 AM	28	struct kprobe *kp;
f0882589	29	unsigned long status;
f215d985 AM	30	unsigned long orig_tnpc;
	31	unsigned long orig_tstate_pil;
	32	};
	33
	34	/* per-cpu kprobe control block */
	35	struct kprobe_ctlblk {
	36	unsigned long kprobe_status;
	37	unsigned long kprobe_orig_tnpc;
	38	unsigned long kprobe_orig_tstate_pil;
f215d985	39	struct pt_regs jprobe_saved_regs;
f215d985 AM	40	struct prev_kprobe prev_kprobe;
	41	};
	42
1da177e4 LT	43	extern int kprobe_exceptions_notify(struct notifier_block *self,
1da177e4 LT	44	unsigned long val, void *data);
127cda1e	45	extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
1da177e4	46	#endif /* _SPARC64_KPROBES_H */