blob: 80ac1fe966ac13ec3be908b2ec94bfaccefb40cc [file] [log] [blame]
#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));
/* 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);
static inline void out_of_line_bug(void) { }
#include <asm-generic/bug.h>