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  1. /** @addtogroup generic
  2.  * @{
  3.  */
  4. /** @file
  5.  */
  6.  
  7. #ifndef KERN_UDEBUG_H_
  8. #define KERN_UDEBUG_H_
  9.  
  10. typedef enum { /* udebug_method_t */
  11.  
  12. /** Start debugging the recipient.
  13.  * Causes all threads in the receiving task to stop. When they
  14.  * are all stoped, an answer with retval 0 is generated.
  15.  */
  16. UDEBUG_M_BEGIN = 1,
  17.  
  18. /** Finish debugging the recipient.
  19.  * Answers all pending GO and GUARD messages.
  20.  */
  21. UDEBUG_M_END,
  22.  
  23. /** Make sure the debugged task is still there.
  24.  * This message is answered when the debugged task dies
  25.  * or the debugging session ends.
  26.  */
  27. UDEBUG_M_GUARD,
  28.  
  29. /** Run a thread until a debugging event occurs.
  30.  * This message is answered when the thread stops
  31.  * in a debugging event.
  32.  *
  33.  * - ARG2 - id of the thread to run
  34.  */
  35. UDEBUG_M_GO,
  36.  
  37. /** Stop a thread being debugged.
  38.  * Creates a special STOP event in the thread, causing
  39.  * it to answer a pending GO message (if any).
  40.  */
  41. UDEBUG_M_STOP,
  42.  
  43. /** Read arguments of a syscall.
  44.  *
  45.  * - ARG2 - thread identification
  46.  * - ARG3 - destination address in the caller's address space
  47.  * - ARG4 - size of receiving buffer in bytes
  48.  *
  49.  * on answer, the kernel will set:
  50.  *
  51.  * - ARG1 - actual size in bytes of data read
  52.  */
  53. UDEBUG_M_ARGS_READ,
  54.  
  55. /** Read the list of the debugged tasks's threads.
  56.  *
  57.  * - ARG2 - destination address in the caller's address space
  58.  * - ARG3 - size of receiving buffer in bytes
  59.  *
  60.  * The kernel fills the buffer with a series of sysarg_t values
  61.  * (thread ids). On answer, the kernel will set:
  62.  *
  63.  * - ARG1 - number of bytes that were actually copied
  64.  * - ARG2 - number of bytes of the complete data
  65.  *
  66.  */
  67. UDEBUG_M_THREAD_READ,
  68.  
  69. /** Read the list of the debugged tasks's memory.
  70.  *
  71.  * - ARG2 - destination address in the caller's address space
  72.  * - ARG3 - source address in the recipient's address space
  73.  * - ARG4 - size of receiving buffer in bytes
  74.  *
  75.  */
  76. UDEBUG_M_MEM_READ
  77.  
  78. } udebug_method_t;
  79.  
  80.  
  81. typedef enum {
  82.     UDEBUG_EVENT_SYSCALL
  83. } udebug_event_t;
  84.  
  85. #ifdef KERNEL
  86.  
  87. void udebug_syscall_event(unative_t a1, unative_t a2, unative_t a3,
  88.     unative_t a4, unative_t a5, unative_t a6, unative_t id, unative_t rc);
  89. void udebug_stoppable_begin(void);
  90. void udebug_stoppable_end(void);
  91.  
  92. #endif
  93.  
  94. #endif
  95.  
  96. /** @}
  97.  */
  98.