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
  17 extern int debugger_intercept(enum exception_code, int, int, struct pt_regs *);
  18 extern int at_debugger_breakpoint(struct pt_regs *);
  19
  20 #ifndef CONFIG_MN10300_DEBUGGER_CACHE_NO_FLUSH
  21 extern void debugger_local_cache_flushinv(void);
  22 extern void debugger_local_cache_flushinv_one(u8 *);
  23 #else
  24 static inline void debugger_local_cache_flushinv(void) {}
  25 static inline void debugger_local_cache_flushinv_one(u8 *addr) {}
  26 #endif
  27
  28 #else /* CONFIG_KERNEL_DEBUGGER */
  29
  30 static 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
  37 static 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 */