arch/mn10300/include/asm/kprobes.h

   1 /* MN10300 Kernel Probes support
   2  *
   3  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
   4  * Written by Mark Salter (msalter@redhat.com)
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public Licence as published by
   8  * the Free Software Foundation; either version 2 of the Licence, 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 Licence for more details.
  15  *
  16  * You should have received a copy of the GNU General Public Licence
  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  */
  21 #ifndef _ASM_KPROBES_H
  22 #define _ASM_KPROBES_H
  23
  24 #include <asm-generic/kprobes.h>
  25
  26 #define BREAKPOINT_INSTRUCTION  0xff
  27
  28 #ifdef CONFIG_KPROBES
  29 #include <linux/types.h>
  30 #include <linux/ptrace.h>
  31
  32 struct kprobe;
  33
  34 typedef unsigned char kprobe_opcode_t;
  35 #define MAX_INSN_SIZE 8
  36 #define MAX_STACK_SIZE 128
  37
  38 /* Architecture specific copy of original instruction */
  39 struct arch_specific_insn {
  40         /*  copy of original instruction
  41          */
  42         kprobe_opcode_t insn[MAX_INSN_SIZE];
  43 };
  44
  45 extern const int kretprobe_blacklist_size;
  46
  47 extern int kprobe_exceptions_notify(struct notifier_block *self,
  48                                     unsigned long val, void *data);
  49
  50 #define flush_insn_slot(p)  do {} while (0)
  51
  52 extern void arch_remove_kprobe(struct kprobe *p);
  53
  54 #endif /* CONFIG_KPROBES */
  55 #endif /* _ASM_KPROBES_H */