diff options
Diffstat (limited to 'kernel/arch/avr32/include/asm/kprobes.h')
| -rw-r--r-- | kernel/arch/avr32/include/asm/kprobes.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/kernel/arch/avr32/include/asm/kprobes.h b/kernel/arch/avr32/include/asm/kprobes.h new file mode 100644 index 000000000..45f563ed7 --- /dev/null +++ b/kernel/arch/avr32/include/asm/kprobes.h @@ -0,0 +1,49 @@ +/* + * 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 */ |