/* 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) */