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1 | #ifndef _ASM_UPROBES_H |
2 | #define _ASM_UPROBES_H | |
3 | /* | |
4 | * User-space Probes (UProbes) for powerpc | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | * | |
20 | * Copyright IBM Corporation, 2007-2012 | |
21 | * | |
22 | * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com> | |
23 | */ | |
24 | ||
25 | #include <linux/notifier.h> | |
26 | #include <asm/probes.h> | |
27 | ||
28e1e58f | 28 | typedef ppc_opcode_t uprobe_opcode_t; |
8b7b80b9 AM |
29 | |
30 | #define MAX_UINSN_BYTES 4 | |
31 | #define UPROBE_XOL_SLOT_BYTES (MAX_UINSN_BYTES) | |
32 | ||
33 | /* The following alias is needed for reference from arch-agnostic code */ | |
34 | #define UPROBE_SWBP_INSN BREAKPOINT_INSTRUCTION | |
35 | #define UPROBE_SWBP_INSN_SIZE 4 /* swbp insn size in bytes */ | |
36 | ||
37 | struct arch_uprobe { | |
38 | union { | |
3d78e945 ON |
39 | u32 insn; |
40 | u32 ixol; | |
8b7b80b9 AM |
41 | }; |
42 | }; | |
43 | ||
44 | struct arch_uprobe_task { | |
45 | unsigned long saved_trap_nr; | |
46 | }; | |
47 | ||
8b7b80b9 | 48 | #endif /* _ASM_UPROBES_H */ |