LXR linux/arch/mn10300/include/asm/debugger.h

   1/* Kernel debugger for MN10300
   2 *
   3 * Copyright (C) 2011 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 Licence
   8 * as published by the Free Software Foundation; either version
   9 * 2 of the Licence, or (at your option) any later version.
  10 */
  11
  12#ifndef _ASM_DEBUGGER_H
  13#define _ASM_DEBUGGER_H
  14
  15#if defined(CONFIG_KERNEL_DEBUGGER)
  16
  17extern int debugger_intercept(enum exception_code, int, int, struct pt_regs *);
  18extern int at_debugger_breakpoint(struct pt_regs *);
  19
  20#ifndef CONFIG_MN10300_DEBUGGER_CACHE_NO_FLUSH
  21extern void debugger_local_cache_flushinv(void);
  22extern void debugger_local_cache_flushinv_one(u8 *);
  23#else
  24static inline void debugger_local_cache_flushinv(void) {}
  25static inline void debugger_local_cache_flushinv_one(u8 *addr) {}
  26#endif
  27
  28#else /* CONFIG_KERNEL_DEBUGGER */
  29
  30static inline int debugger_intercept(enum exception_code excep,
  31                                     int signo, int si_code,
  32                                     struct pt_regs *regs)
  33{
  34        return 0;
  35}
  36
  37static inline int at_debugger_breakpoint(struct pt_regs *regs)
  38{
  39        return 0;
  40}
  41
  42#endif /* CONFIG_KERNEL_DEBUGGER */
  43#endif /* _ASM_DEBUGGER_H */
  44