static inline unsigned char get_fs_byte(const char * addr) { unsigned register char _v; __asm__ ("movb %%fs:%1,%0":"=r" (_v):"m" (*addr)); return _v; } static inline unsigned short get_fs_word(const unsigned short *addr) { unsigned short _v; __asm__ ("movw %%fs:%1,%0":"=r" (_v):"m" (*addr)); return _v; } static inline unsigned long get_fs_long(const unsigned long *addr) { unsigned long _v; __asm__ ("movl %%fs:%1,%0":"=r" (_v):"m" (*addr)); \ return _v; } static inline void put_fs_byte(char val,char *addr) { __asm__ ("movb %0,%%fs:%1"::"r" (val),"m" (*addr)); } static inline void put_fs_word(short val,short * addr) { __asm__ ("movw %0,%%fs:%1"::"r" (val),"m" (*addr)); } static inline void put_fs_long(unsigned long val,unsigned long * addr) { __asm__ ("movl %0,%%fs:%1"::"r" (val),"m" (*addr)); } /* * Someone who knows GNU asm better than I should double check the followig. * It seems to work, but I don't know if I'm doing something subtly wrong. * --- TYT, 11/24/91 * [ nothing wrong here, Linus ] */ static inline unsigned long get_fs() { unsigned short _v; __asm__("mov %%fs,%%ax":"=a" (_v):); return _v; } static inline unsigned long get_ds() { unsigned short _v; __asm__("mov %%ds,%%ax":"=a" (_v):); return _v; } static inline void set_fs(unsigned long val) { __asm__("mov %0,%%fs"::"a" ((unsigned short) val)); }