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