4 * Kernel Probes (KProbes)
5 * include/asm-ppc64/kprobes.h
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 * Copyright (C) IBM Corporation, 2002, 2004
23 * 2002-Oct Created by Vamsi Krishna S <vamsi_krishna@in.ibm.com> Kernel
24 * Probes initial implementation ( includes suggestions from
26 * 2004-Nov Modified for PPC64 by Ananth N Mavinakayanahalli
29 #include <linux/types.h>
30 #include <linux/ptrace.h>
34 typedef unsigned int kprobe_opcode_t;
35 #define BREAKPOINT_INSTRUCTION 0x7fe00008 /* trap */
36 #define MAX_INSN_SIZE 1
38 #define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)((func_descr_t *)pentry)
40 /* Architecture specific copy of original instruction */
41 struct arch_specific_insn {
42 /* copy of original instruction */
43 kprobe_opcode_t insn[MAX_INSN_SIZE];
47 extern int kprobe_exceptions_notify(struct notifier_block *self,
48 unsigned long val, void *data);
49 #else /* !CONFIG_KPROBES */
50 static inline int kprobe_exceptions_notify(struct notifier_block *self,
51 unsigned long val, void *data)
56 #endif /* _ASM_KPROBES_H */