/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __ASM_ASM_BUG_H
/*
 * Copyright (C) 2017  ARM Limited
 */
#define __ASM_ASM_BUG_H

#include <asm/brk-imm.h>

#ifdef CONFIG_DEBUG_BUGVERBOSE
#define _BUGVERBOSE_LOCATION(file, line) __BUGVERBOSE_LOCATION(file, line)
#define __BUGVERBOSE_LOCATION(file, line)                       \
                .pushsection .rodata.str,"aMS",@progbits,1;     \
        14472:  .string file;                                   \
                .popsection;                                    \
                                                                \
                .long 14472b - .;                               \
                .short line;
#else
#define _BUGVERBOSE_LOCATION(file, line)
#endif

#ifdef CONFIG_GENERIC_BUG
#define __BUG_ENTRY_START                               \
                .pushsection __bug_table,"aw";          \
                .align 2;                               \
        14470:  .long 14471f - .;                       \

#define __BUG_ENTRY_END                                 \
                .align 2;                               \
                .popsection;                            \
        14471:

#define __BUG_ENTRY(flags)                              \
                __BUG_ENTRY_START                       \
_BUGVERBOSE_LOCATION(__FILE__, __LINE__)                \
                .short flags;                           \
                __BUG_ENTRY_END
#else
#define __BUG_ENTRY(flags)
#endif

#define ASM_BUG_FLAGS(flags)                            \
        __BUG_ENTRY(flags)                              \
        brk     BUG_BRK_IMM

#define ASM_BUG()       ASM_BUG_FLAGS(0)

#ifdef CONFIG_DEBUG_BUGVERBOSE
#define __BUG_LOCATION_STRING(file, line)               \
                ".long " file "- .;"                    \
                ".short " line ";"
#else
#define __BUG_LOCATION_STRING(file, line)
#endif

#define __BUG_ENTRY_STRING(file, line, flags)           \
                __stringify(__BUG_ENTRY_START)          \
                __BUG_LOCATION_STRING(file, line)       \
                ".short " flags ";"                     \
                __stringify(__BUG_ENTRY_END)

#define ARCH_WARN_ASM(file, line, flags, size)          \
        __BUG_ENTRY_STRING(file, line, flags)           \
        __stringify(brk BUG_BRK_IMM)

#define ARCH_WARN_REACHABLE

#endif /* __ASM_ASM_BUG_H */