#ifndef __ASM_X8664_BUG_H#define __ASM_X8664_BUG_H 1 #include <linux/stringify.h> /* * Tell the user there is some problem.  The exception handler decodes  * this frame. */struct bug_frame {	unsigned char ud2[2];	unsigned char push;	signed int filename;	unsigned char ret;	unsigned short line;} __attribute__((packed)); #ifdef CONFIG_BUG#define HAVE_ARCH_BUG/* We turn the bug frame into valid instructions to not confuse   the disassembler. Thanks to Jan Beulich & Suresh Siddha   for nice instruction selection.   The magic numbers generate mov $64bitimm,%eax ; ret $offset. */#define BUG() 								\	asm volatile(							\	"ud2 ; pushq $%c1 ; ret $%c0" :: 				\		     "i"(__LINE__), "i" (__FILE__))void out_of_line_bug(void);#elsestatic inline void out_of_line_bug(void) { }#endif #include <asm-generic/bug.h>#endif