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  1. /*
  2.  * Copyright (c) 2005 Ondrej Palkovsky
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup mips32debug
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_mips32_DEBUGGER_H_
  36. #define KERN_mips32_DEBUGGER_H_
  37.  
  38. #include <arch/exception.h>
  39. #include <arch/types.h>
  40.  
  41. #define BKPOINTS_MAX 10
  42.  
  43. #define BKPOINT_INPROG   (1 << 0)   /**< Breakpoint was shot */
  44. #define BKPOINT_ONESHOT  (1 << 1)   /**< One-time breakpoint,mandatory for j/b
  45.                          instructions */
  46. #define BKPOINT_REINST   (1 << 2)   /**< Breakpoint is set on the next
  47.                          instruction, so that it could be
  48.                      reinstalled on the previous one */
  49. #define BKPOINT_FUNCCALL (1 << 3)   /**< Call a predefined function */
  50.  
  51. typedef struct  {
  52.     uintptr_t address;      /**< Breakpoint address */
  53.     unative_t instruction; /**< Original instruction */
  54.     unative_t nextinstruction;  /**< Original instruction following break */
  55.     int flags;        /**< Flags regarding breakpoint */
  56.     count_t counter;
  57.     void (*bkfunc)(void *b, istate_t *istate);
  58. } bpinfo_t;
  59.  
  60. extern void debugger_init(void);
  61. void debugger_bpoint(istate_t *istate);
  62.  
  63. extern bpinfo_t breakpoints[BKPOINTS_MAX];
  64.  
  65. #endif
  66.  
  67. /** @}
  68.  */
  69.