1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef _ASM_UPROBES_H
3 #define _ASM_UPROBES_H
4 /*
5 * User-space Probes (UProbes) for powerpc
6 *
7 * Copyright IBM Corporation, 2007-2012
8 *
9 * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com>
10 */
11
12 #include <linux/notifier.h>
13 #include <asm/probes.h>
14
15 typedef u32 uprobe_opcode_t;
16
17 #define MAX_UINSN_BYTES 8
18 #define UPROBE_XOL_SLOT_BYTES (MAX_UINSN_BYTES)
19
20 /* The following alias is needed for reference from arch-agnostic code */
21 #define UPROBE_SWBP_INSN BREAKPOINT_INSTRUCTION
22 #define UPROBE_SWBP_INSN_SIZE 4 /* swbp insn size in bytes */
23
24 struct arch_uprobe {
25 union {
26 u32 insn[2];
27 u32 ixol[2];
28 };
29 };
30
31 struct arch_uprobe_task {
32 unsigned long saved_trap_nr;
33 };
34
35 #endif /* _ASM_UPROBES_H */
36
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