root/arch/x86/include/asm/bug.h

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INCLUDED FROM

#ifndef _ASM_X86_BUG_H
#define _ASM_X86_BUG_H

#define HAVE_ARCH_BUG

#ifdef CONFIG_DEBUG_BUGVERBOSE

#ifdef CONFIG_X86_32
# define __BUG_C0       "2:\t.long 1b, %c0\n"
#else
# define __BUG_C0       "2:\t.long 1b - 2b, %c0 - 2b\n"
#endif

#define BUG()                                                   \
do {                                                            \
        asm volatile("1:\tud2\n"                                \
                     ".pushsection __bug_table,\"a\"\n"         \
                     __BUG_C0                                   \
                     "\t.word %c1, 0\n"                         \
                     "\t.org 2b+%c2\n"                          \
                     ".popsection"                              \
                     : : "i" (__FILE__), "i" (__LINE__),        \
                     "i" (sizeof(struct bug_entry)));           \
        unreachable();                                          \
} while (0)

#else
#define BUG()                                                   \
do {                                                            \
        asm volatile("ud2");                                    \
        unreachable();                                          \
} while (0)
#endif

#include <asm-generic/bug.h>

#endif /* _ASM_X86_BUG_H */
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