34 lines
		
	
	
	
		
			1,012 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			34 lines
		
	
	
	
		
			1,012 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #include <linux/ptrace.h>
 | ||
|  | 
 | ||
|  | /**
 | ||
|  |  * regs_query_register_offset() - query register offset from its name | ||
|  |  * @name:	the name of a register | ||
|  |  * | ||
|  |  * regs_query_register_offset() returns the offset of a register in struct | ||
|  |  * pt_regs from its name. If the name is invalid, this returns -EINVAL; | ||
|  |  */ | ||
|  | int regs_query_register_offset(const char *name) | ||
|  | { | ||
|  | 	const struct pt_regs_offset *roff; | ||
|  | 	for (roff = regoffset_table; roff->name != NULL; roff++) | ||
|  | 		if (!strcmp(roff->name, name)) | ||
|  | 			return roff->offset; | ||
|  | 	return -EINVAL; | ||
|  | } | ||
|  | 
 | ||
|  | /**
 | ||
|  |  * regs_query_register_name() - query register name from its offset | ||
|  |  * @offset:	the offset of a register in struct pt_regs. | ||
|  |  * | ||
|  |  * regs_query_register_name() returns the name of a register from its | ||
|  |  * offset in struct pt_regs. If the @offset is invalid, this returns NULL; | ||
|  |  */ | ||
|  | const char *regs_query_register_name(unsigned int offset) | ||
|  | { | ||
|  | 	const struct pt_regs_offset *roff; | ||
|  | 	for (roff = regoffset_table; roff->name != NULL; roff++) | ||
|  | 		if (roff->offset == offset) | ||
|  | 			return roff->name; | ||
|  | 	return NULL; | ||
|  | } |