arch/frv/include/asm/bug.h

   1 /* bug.h: FRV bug trapping
   2  *
   3  * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
   4  * Written by David Howells (dhowells@redhat.com)
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the License, or (at your option) any later version.
  10  */
  11 #ifndef _ASM_BUG_H
  12 #define _ASM_BUG_H
  13
  14 #include <linux/linkage.h>
  15
  16 #ifdef CONFIG_BUG
  17 /*
  18  * Tell the user there is some problem.
  19  */
  20 extern asmlinkage void __debug_bug_trap(int signr);
  21
  22 #ifdef CONFIG_NO_KERNEL_MSG
  23 #define _debug_bug_printk()
  24 #else
  25 extern void __debug_bug_printk(const char *file, unsigned line);
  26 #define _debug_bug_printk() __debug_bug_printk(__FILE__, __LINE__)
  27 #endif
  28
  29 #define _debug_bug_trap(signr)                  \
  30 do {                                            \
  31         __debug_bug_trap(signr);                \
  32         asm volatile("nop");                    \
  33 } while(1)
  34
  35 #define HAVE_ARCH_BUG
  36 #define BUG()                                   \
  37 do {                                            \
  38         _debug_bug_printk();                    \
  39         _debug_bug_trap(6 /*SIGABRT*/);         \
  40 } while (0)
  41
  42 #ifdef CONFIG_GDBSTUB
  43 #define HAVE_ARCH_KGDB_RAISE
  44 #define kgdb_raise(signr) do { _debug_bug_trap(signr); } while(0)
  45
  46 #define HAVE_ARCH_KGDB_BAD_PAGE
  47 #define kgdb_bad_page(page) do { kgdb_raise(SIGABRT); } while(0)
  48 #endif
  49
  50 #endif /* CONFIG_BUG */
  51
  52 #include <asm-generic/bug.h>
  53
  54 #endif