1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * User-space Probes (UProbes) for s390
4 *
5 * Copyright IBM Corp. 2014
6 * Author(s): Jan Willeke,
7 */
8
9 #ifndef _ASM_UPROBES_H
10 #define _ASM_UPROBES_H
11
12 #include <linux/notifier.h>
13
14 typedef u16 uprobe_opcode_t;
15
16 #define UPROBE_XOL_SLOT_BYTES 256 /* cache aligned */
17
18 #define UPROBE_SWBP_INSN 0x0002
19 #define UPROBE_SWBP_INSN_SIZE 2
20
21 struct arch_uprobe {
22 union{
23 uprobe_opcode_t insn[3];
24 uprobe_opcode_t ixol[3];
25 };
26 unsigned int saved_per : 1;
27 unsigned int saved_int_code;
28 };
29
30 struct arch_uprobe_task {
31 };
32
33 #endif /* _ASM_UPROBES_H */