linuxthreads_db/thread_dbP.h

   1 /* Private header for thread debug library.  */
   2 #ifndef _THREAD_DBP_H
   3 #define _THREAD_DBP_H   1
   4
   5 #include <string.h>
   6 #include "proc_service.h"
   7 #include "thread_db.h"
   8 #include "../linuxthreads/internals.h"
   9
  10
  11 /* Comment out the following for less verbose output.  */
  12 #ifndef NDEBUG
  13 # define LOG(c) if (__td_debug) __libc_write (2, c "\n", strlen (c "\n"))
  14 extern int __td_debug;
  15 #else
  16 # define LOG(c)
  17 #endif
  18
  19
  20 /* Handle for a process.  This type is opaque.  */
  21 struct td_thragent
  22 {
  23   /* Delivered by the debugger and we have to pass it back in the
  24      proc callbacks.  */
  25   struct ps_prochandle *ph;
  26
  27   /* Some cached information.  */
  28
  29   /* Address of the `__pthread_handles' array.  */
  30   struct pthread_handle_struct *handles;
  31
  32   /* Address of the `pthread_kyes' array.  */
  33   struct pthread_key_struct *keys;
  34
  35   /* Maximum number of threads.  */
  36   int pthread_threads_max;
  37
  38   /* Maximum number of thread-local data keys.  */
  39   int pthread_keys_max;
  40
  41   /* Size of 2nd level array for thread-local data keys.  */
  42   int pthread_key_2ndlevel_size;
  43
  44   /* Sizeof struct _pthread_descr_struct.  */
  45   int sizeof_descr;
  46
  47   /* Pointer to the `__pthread_threads_events' variable in the target.  */
  48   psaddr_t pthread_threads_eventsp;
  49
  50   /* Pointer to the `__pthread_last_event' variable in the target.  */
  51   psaddr_t pthread_last_event;
  52
  53   /* Pointer to the `__pthread_handles_num' variable.  */
  54   psaddr_t pthread_handles_num;
  55 };
  56
  57
  58 /* Type used internally to keep track of thread agent descriptors.  */
  59 struct agent_list
  60 {
  61   td_thragent_t *ta;
  62   struct agent_list *next;
  63 };
  64
  65 /* List of all known descriptors.  */
  66 extern struct agent_list *__td_agent_list;
  67
  68 /* Function used to test for correct thread agent pointer.  */
  69 static inline int
  70 ta_ok (const td_thragent_t *ta)
  71 {
  72   struct agent_list *runp = __td_agent_list;
  73
  74   if (ta == NULL)
  75     return 0;
  76
  77   while (runp != NULL && runp->ta != ta)
  78     runp = runp->next;
  79
  80   return runp != NULL;
  81 }
  82
  83 #endif /* thread_dbP.h */