linux/include/asm-i386/bug.h

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#ifndef _I386_BUG_H
#define _I386_BUG_H
#include <linux/config.h>
/*
* Tell the user there is some problem.
* The offending file and line are encoded after the "officially
* undefined" opcode for parsing in the trap handler.
*/
#ifdef CONFIG_BUG
#define HAVE_ARCH_BUG
#ifdef CONFIG_DEBUG_BUGVERBOSE
#define BUG() \
__asm__ __volatile__( "ud2\n" \
"\t.word %c0\n" \
"\t.long %c1\n" \
: : "i" (__LINE__), "i" (__FILE__))
#else
#define BUG() __asm__ __volatile__("ud2\n")
#endif
#endif
#include <asm-generic/bug.h>
#endif