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- #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;
- }
-
- extern void __init early_trap_init(void);
-
- #endif
-