/* * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef _ARC_KPROBES_H #define _ARC_KPROBES_H #include <asm-generic/kprobes.h> #ifdef CONFIG_KPROBES typedef u16 kprobe_opcode_t; #define UNIMP_S_INSTRUCTION 0x79e0 #define TRAP_S_2_INSTRUCTION 0x785e #define MAX_INSN_SIZE 8 #define MAX_STACK_SIZE 64 struct arch_specific_insn { int is_short; kprobe_opcode_t *t1_addr, *t2_addr; kprobe_opcode_t t1_opcode, t2_opcode; }; #define flush_insn_slot(p) do { } while (0) #define kretprobe_blacklist_size 0 struct kprobe; void arch_remove_kprobe(struct kprobe *p); int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data); struct prev_kprobe { struct kprobe *kp; unsigned long status; }; struct kprobe_ctlblk { unsigned int kprobe_status; struct prev_kprobe prev_kprobe; }; int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause); void kretprobe_trampoline(void); void trap_is_kprobe(unsigned long address, struct pt_regs *regs); #else #define trap_is_kprobe(address, regs) #endif /* CONFIG_KPROBES */ #endif /* _ARC_KPROBES_H */