compiler-gcc.h 937 字节
Newer Older
L
Linus Torvalds 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
/* Never include this file directly.  Include <linux/compiler.h> instead.  */

/*
 * Common definitions for all gcc versions go here.
 */


/* Optimization barrier */
/* The "volatile" is due to gcc bugs */
#define barrier() __asm__ __volatile__("": : :"memory")

/* This macro obfuscates arithmetic on a variable address so that gcc
   shouldn't recognize the original var, and make assumptions about it */
#define RELOC_HIDE(ptr, off)					\
  ({ unsigned long __ptr;					\
    __asm__ ("" : "=g"(__ptr) : "0"(ptr));		\
    (typeof(ptr)) (__ptr + (off)); })
A
Andrew Morton 已提交
18 19 20 21 22 23 24 25 26


#define inline		inline		__attribute__((always_inline))
#define __inline__	__inline__	__attribute__((always_inline))
#define __inline	__inline	__attribute__((always_inline))
#define __deprecated			__attribute__((deprecated))
#define  noinline			__attribute__((noinline))
#define __attribute_pure__		__attribute__((pure))
#define __attribute_const__		__attribute__((__const__))