| /* |
| * Kernel Probes (KProbes) |
| * |
| * Copyright (C) 2005-2006 Atmel Corporation |
| * Copyright (C) IBM Corporation, 2002, 2004 |
| * |
| * 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 __ASM_AVR32_KPROBES_H |
| #define __ASM_AVR32_KPROBES_H |
| |
| #include <linux/types.h> |
| |
| typedef u16 kprobe_opcode_t; |
| #define BREAKPOINT_INSTRUCTION 0xd673 /* breakpoint */ |
| #define MAX_INSN_SIZE 2 |
| #define MAX_STACK_SIZE 64 /* 32 would probably be OK */ |
| |
| #define kretprobe_blacklist_size 0 |
| |
| #define arch_remove_kprobe(p) do { } while (0) |
| |
| /* Architecture specific copy of original instruction */ |
| struct arch_specific_insn { |
| kprobe_opcode_t insn[MAX_INSN_SIZE]; |
| }; |
| |
| struct prev_kprobe { |
| struct kprobe *kp; |
| unsigned int status; |
| }; |
| |
| /* per-cpu kprobe control block */ |
| struct kprobe_ctlblk { |
| unsigned int kprobe_status; |
| struct prev_kprobe prev_kprobe; |
| struct pt_regs jprobe_saved_regs; |
| char jprobes_stack[MAX_STACK_SIZE]; |
| }; |
| |
| extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); |
| extern int kprobe_exceptions_notify(struct notifier_block *self, |
| unsigned long val, void *data); |
| |
| #define flush_insn_slot(p) do { } while (0) |
| |
| #endif /* __ASM_AVR32_KPROBES_H */ |
