LXR linux/arch/arm64/include/asm/asm-bug.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2#ifndef __ASM_ASM_BUG_H
   3/*
   4 * Copyright (C) 2017  ARM Limited
   5 */
   6#define __ASM_ASM_BUG_H
   7
   8#include <asm/brk-imm.h>
   9
  10#ifdef CONFIG_DEBUG_BUGVERBOSE
  11#define _BUGVERBOSE_LOCATION(file, line) __BUGVERBOSE_LOCATION(file, line)
  12#define __BUGVERBOSE_LOCATION(file, line)                       \
  13                .pushsection .rodata.str,"aMS",@progbits,1;     \
  14        14472:  .string file;                                   \
  15                .popsection;                                    \
  16                                                                \
  17                .long 14472b - 14470b;                          \
  18                .short line;
  19#else
  20#define _BUGVERBOSE_LOCATION(file, line)
  21#endif
  22
  23#ifdef CONFIG_GENERIC_BUG
  24
  25#define __BUG_ENTRY(flags)                              \
  26                .pushsection __bug_table,"aw";          \
  27                .align 2;                               \
  28        14470:  .long 14471f - 14470b;                  \
  29_BUGVERBOSE_LOCATION(__FILE__, __LINE__)                \
  30                .short flags;                           \
  31                .popsection;                            \
  32        14471:
  33#else
  34#define __BUG_ENTRY(flags)
  35#endif
  36
  37#define ASM_BUG_FLAGS(flags)                            \
  38        __BUG_ENTRY(flags)                              \
  39        brk     BUG_BRK_IMM
  40
  41#define ASM_BUG()       ASM_BUG_FLAGS(0)
  42
  43#endif /* __ASM_ASM_BUG_H */
  44