2 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
10 #define _ARC_KPROBES_H
12 #include <asm-generic/kprobes.h>
16 typedef u16 kprobe_opcode_t;
18 #define UNIMP_S_INSTRUCTION 0x79e0
19 #define TRAP_S_2_INSTRUCTION 0x785e
21 #define MAX_INSN_SIZE 8
22 #define MAX_STACK_SIZE 64
24 struct arch_specific_insn {
26 kprobe_opcode_t *t1_addr, *t2_addr;
27 kprobe_opcode_t t1_opcode, t2_opcode;
30 #define flush_insn_slot(p) do { } while (0)
32 #define kretprobe_blacklist_size 0
36 void arch_remove_kprobe(struct kprobe *p);
38 int kprobe_exceptions_notify(struct notifier_block *self,
39 unsigned long val, void *data);
46 struct kprobe_ctlblk {
47 unsigned int kprobe_status;
48 struct prev_kprobe prev_kprobe;
51 int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause);
52 void kretprobe_trampoline(void);
53 void trap_is_kprobe(unsigned long address, struct pt_regs *regs);
55 #define trap_is_kprobe(address, regs)
56 #endif /* CONFIG_KPROBES */
58 #endif /* _ARC_KPROBES_H */