/* MN10300 Kernel Probes support * * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. * Written by Mark Salter (msalter@redhat.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public Licence as published by * the Free Software Foundation; either version 2 of the Licence, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public Licence for more details. * * You should have received a copy of the GNU General Public Licence * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ #ifndef _ASM_KPROBES_H #define _ASM_KPROBES_H #include <linux/types.h> #include <linux/ptrace.h> struct kprobe; typedef unsigned char kprobe_opcode_t; #define BREAKPOINT_INSTRUCTION 0xff #define MAX_INSN_SIZE 8 #define MAX_STACK_SIZE 128 /* Architecture specific copy of original instruction */ struct arch_specific_insn { /* copy of original instruction */ kprobe_opcode_t insn[MAX_INSN_SIZE]; }; extern const int kretprobe_blacklist_size; extern int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data); #define flush_insn_slot(p) do {} while (0) extern void arch_remove_kprobe(struct kprobe *p); #endif /* _ASM_KPROBES_H */ |