mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-26 12:30:54 +07:00
18 lines
559 B
C
18 lines
559 B
C
|
/* 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)); })
|