/* 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)); })