35 lines
		
	
	
		
			952 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			952 B
		
	
	
	
		
			C
		
	
	
	
	
	
/* include/asm/current.h
 | 
						|
 *
 | 
						|
 * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
 | 
						|
 * Copyright (C) 2002 Pete Zaitcev (zaitcev@yahoo.com)
 | 
						|
 * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
 | 
						|
 *
 | 
						|
 *  Derived from "include/asm-s390/current.h" by
 | 
						|
 *  Martin Schwidefsky (schwidefsky@de.ibm.com)
 | 
						|
 *  Derived from "include/asm-i386/current.h"
 | 
						|
*/
 | 
						|
#ifndef _SPARC_CURRENT_H
 | 
						|
#define _SPARC_CURRENT_H
 | 
						|
 | 
						|
#include <linux/thread_info.h>
 | 
						|
 | 
						|
#ifdef CONFIG_SPARC64
 | 
						|
register struct task_struct *current asm("g4");
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef CONFIG_SPARC32
 | 
						|
/* We might want to consider using %g4 like sparc64 to shave a few cycles.
 | 
						|
 *
 | 
						|
 * Two stage process (inline + #define) for type-checking.
 | 
						|
 * We also obfuscate get_current() to check if anyone used that by mistake.
 | 
						|
 */
 | 
						|
struct task_struct;
 | 
						|
static inline struct task_struct *__get_current(void)
 | 
						|
{
 | 
						|
	return current_thread_info()->task;
 | 
						|
}
 | 
						|
#define current __get_current()
 | 
						|
#endif
 | 
						|
 | 
						|
#endif /* !(_SPARC_CURRENT_H) */
 |