/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_BUG_H
#define __ASM_BUG_H

#include <asm/break.h>
#include <linux/stringify.h>

#ifndef CONFIG_DEBUG_BUGVERBOSE
#define _BUGVERBOSE_LOCATION(file, line)
#else
#define __BUGVERBOSE_LOCATION(file, line)            \
        .pushsection .rodata.str, "aMS", @progbits, 1;    \
    10002:    .string file;                    \
        .popsection;                    \
                                \
        .long 10002b - .;                \
        .short line;
#define _BUGVERBOSE_LOCATION(file, line) __BUGVERBOSE_LOCATION(file, line)
#endif

#ifndef CONFIG_GENERIC_BUG
#define __BUG_ENTRY(flags)
#else
#define __BUG_ENTRY(flags)                     \
        .pushsection __bug_table, "aw";            \
        .align 2;                    \
    10000:    .long 10001f - .;                \
        _BUGVERBOSE_LOCATION(__FILE__, __LINE__)    \
        .short flags;                     \
        .popsection;                    \
    10001:
#endif

#define ASM_BUG_FLAGS(flags)                    \
    __BUG_ENTRY(flags)                    \
    break        BRK_BUG

#define ASM_BUG()    ASM_BUG_FLAGS(0)

#define __BUG_FLAGS(flags)                    \
    asm_inline volatile (__stringify(ASM_BUG_FLAGS(flags)));

#define __WARN_FLAGS(flags)                    \
do {                                \
    instrumentation_begin();                \
    __BUG_FLAGS(BUGFLAG_WARNING|(flags));            \
    instrumentation_end();                    \
} while (0)

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

#define HAVE_ARCH_BUG

#include <asm-generic/bug.h>

#endif /* __ASM_BUG_H */