| #ifndef _ASMARM_TRAP_H | |
| #define _ASMARM_TRAP_H | |
| #include <linux/list.h> | |
| struct undef_hook { | |
| struct list_head node; | |
| u32 instr_mask; | |
| u32 instr_val; | |
| u32 cpsr_mask; | |
| u32 cpsr_val; | |
| int (*fn)(struct pt_regs *regs, unsigned int instr); | |
| }; | |
| void register_undef_hook(struct undef_hook *hook); | |
| void unregister_undef_hook(struct undef_hook *hook); | |
| static inline int in_exception_text(unsigned long ptr) | |
| { | |
| extern char __exception_text_start[]; | |
| extern char __exception_text_end[]; | |
| return ptr >= (unsigned long)&__exception_text_start && | |
| ptr < (unsigned long)&__exception_text_end; | |
| } | |
| #endif |