forked from Minki/linux
fd7b231ff9
This is an IA64 arch specific handling of Kprobes Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by: Rusty Lynch <Rusty.lynch@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
#ifndef _ASM_KPROBES_H
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#define _ASM_KPROBES_H
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/*
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* Kernel Probes (KProbes)
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* include/asm-ia64/kprobes.h
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Copyright (C) IBM Corporation, 2002, 2004
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* Copyright (C) Intel Corporation, 2005
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*
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* 2005-Apr Rusty Lynch <rusty.lynch@intel.com> and Anil S Keshavamurthy
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* <anil.s.keshavamurthy@intel.com> adapted from i386
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*/
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#include <linux/types.h>
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#include <linux/ptrace.h>
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#include <asm/break.h>
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#define BREAK_INST (long)(__IA64_BREAK_KPROBE << 6)
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typedef struct _bundle {
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struct {
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unsigned long long template : 5;
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unsigned long long slot0 : 41;
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unsigned long long slot1_p0 : 64-46;
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} quad0;
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struct {
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unsigned long long slot1_p1 : 41 - (64-46);
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unsigned long long slot2 : 41;
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} quad1;
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} __attribute__((__aligned__(16))) bundle_t;
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#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
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typedef struct kprobe_opcode {
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bundle_t bundle;
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} kprobe_opcode_t;
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struct fnptr {
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unsigned long ip;
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unsigned long gp;
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};
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/* Architecture specific copy of original instruction*/
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struct arch_specific_insn {
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/* copy of the original instruction */
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kprobe_opcode_t insn;
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};
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#ifdef CONFIG_KPROBES
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extern int kprobe_exceptions_notify(struct notifier_block *self,
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unsigned long val, void *data);
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#else /* !CONFIG_KPROBES */
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static inline int kprobe_exceptions_notify(struct notifier_block *self,
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unsigned long val, void *data)
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{
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return 0;
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}
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#endif
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#endif /* _ASM_KPROBES_H */
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