bug.h

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#ifndef _ASM_S390_BUG_H
#define _ASM_S390_BUG_H

#include <linux/kernel.h>

#ifdef CONFIG_BUG

#ifdef CONFIG_DEBUG_BUGVERBOSE

#define __EMIT_BUG(x) do {                  \
    asm volatile(                       \
        "0: j   0b+2\n"             \
        "1:\n"                      \
        ".section .rodata.str,\"aMS\",@progbits,1\n"    \
        "2: .asciz  \""__FILE__"\"\n"       \
        ".previous\n"                   \
        ".section __bug_table,\"a\"\n"          \
        "3: .long   1b-3b,2b-3b\n"          \
        "   .short  %0,%1\n"            \
        "   .org    3b+%2\n"            \
        ".previous\n"                   \
        : : "i" (__LINE__),             \
            "i" (x),                    \
            "i" (sizeof(struct bug_entry)));        \
} while (0)

#else /* CONFIG_DEBUG_BUGVERBOSE */

#define __EMIT_BUG(x) do {              \
    asm volatile(                   \
        "0: j   0b+2\n"         \
        "1:\n"                  \
        ".section __bug_table,\"a\"\n"      \
        "2: .long   1b-2b\n"        \
        "   .short  %0\n"           \
        "   .org    2b+%1\n"        \
        ".previous\n"               \
        : : "i" (x),                \
            "i" (sizeof(struct bug_entry)));    \
} while (0)

#endif /* CONFIG_DEBUG_BUGVERBOSE */

#define BUG() do {                  \
    __EMIT_BUG(0);                  \
    unreachable();                  \
} while (0)

#define __WARN_TAINT(taint) do {            \
    __EMIT_BUG(BUGFLAG_TAINT(taint));       \
} while (0)

#define WARN_ON(x) ({                   \
    int __ret_warn_on = !!(x);          \
    if (__builtin_constant_p(__ret_warn_on)) {  \
        if (__ret_warn_on)          \
            __WARN();           \
    } else {                    \
        if (unlikely(__ret_warn_on))        \
            __WARN();           \
    }                       \
    unlikely(__ret_warn_on);            \
})

#define HAVE_ARCH_BUG
#define HAVE_ARCH_WARN_ON
#endif /* CONFIG_BUG */

#include <asm-generic/bug.h>

#endif /* _ASM_S390_BUG_H */