22 lines
		
	
	
		
			423 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			22 lines
		
	
	
		
			423 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (C) 2006 Jeff Dike (jdike@addtoit.com)
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|  * Licensed under the GPL V2
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|  */
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| 
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| #include <linux/uaccess.h>
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| #include <asm/errno.h>
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| 
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| /* Mostly copied from i386/x86_86 - eliminated the eip < PAGE_OFFSET because
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|  * that's not relevant in skas mode.
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|  */
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| 
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| int is_valid_bugaddr(unsigned long eip)
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| {
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| 	unsigned short ud2;
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| 
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| 	if (probe_kernel_address((unsigned short __user *)eip, ud2))
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| 		return 0;
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| 
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| 	return ud2 == 0x0b0f;
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| }
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