| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _ASMARM_TRAP_H |
| 2 | #define _ASMARM_TRAP_H |
| 3 | |
| 4 | #include <linux/list.h> |
| 5 | |
| 6 | struct undef_hook { |
| 7 | struct list_head node; |
| 8 | u32 instr_mask; |
| 9 | u32 instr_val; |
| 10 | u32 cpsr_mask; |
| 11 | u32 cpsr_val; |
| 12 | int (*fn)(struct pt_regs *regs, unsigned int instr); |
| 13 | }; |
| 14 | |
| 15 | void register_undef_hook(struct undef_hook *hook); |
| 16 | void unregister_undef_hook(struct undef_hook *hook); |
| 17 | |
| Nicolas Pitre | 785d3cd | 2007-12-03 15:27:56 -0500 | [diff] [blame] | 18 | static inline int in_exception_text(unsigned long ptr) |
| 19 | { |
| 20 | extern char __exception_text_start[]; |
| 21 | extern char __exception_text_end[]; |
| 22 | |
| 23 | return ptr >= (unsigned long)&__exception_text_start && |
| 24 | ptr < (unsigned long)&__exception_text_end; |
| 25 | } |
| 26 | |
| Jason Wessel | 5cbad0e | 2008-02-20 13:33:40 -0600 | [diff] [blame] | 27 | extern void __init early_trap_init(void); |
| 28 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | #endif |