1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 */
6#ifndef __ASM_UPROBES_H
7#define __ASM_UPROBES_H
8
9#include <linux/notifier.h>
10#include <linux/types.h>
11
12#include <asm/break.h>
13#include <asm/inst.h>
14
15/*
16 * We want this to be defined as union loongarch_instruction but that makes the
17 * generic code blow up.
18 */
19typedef u32 uprobe_opcode_t;
20
21#define MAX_UINSN_BYTES			8
22#define UPROBE_XOL_SLOT_BYTES		128	/* Max. cache line size */
23
24#define UPROBE_BRK_UPROBE		0x002a000c	/* break 12 */
25#define UPROBE_BRK_UPROBE_XOL		0x002a000d	/* break 13 */
26
27#define UPROBE_SWBP_INSN		UPROBE_BRK_UPROBE
28#define UPROBE_SWBP_INSN_SIZE		4
29
30struct arch_uprobe {
31	unsigned long	resume_era;
32	u32	insn[2];
33	u32	ixol[2];
34};
35
36struct arch_uprobe_task {
37	unsigned long saved_trap_nr;
38};
39
40#endif /* __ASM_UPROBES_H */
41