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 /* Indeces for the symbol names.  */
  12 enum
  13   {
  14     PTHREAD_THREADS_EVENTS = 0,
  15     PTHREAD_LAST_EVENT,
  16     PTHREAD_HANDLES_NUM,
  17     PTHREAD_HANDLES,
  18     PTHREAD_KEYS,
  19     LINUXTHREADS_PTHREAD_THREADS_MAX,
  20     LINUXTHREADS_PTHREAD_KEYS_MAX,
  21     LINUXTHREADS_PTHREAD_SIZEOF_DESCR,
  22     LINUXTHREADS_CREATE_EVENT,
  23     LINUXTHREADS_DEATH_EVENT,
  24     LINUXTHREADS_REAP_EVENT,
  25     NUM_MESSAGES
  26   };
  27
  28
  29 /* Comment out the following for less verbose output.  */
  30 #ifndef NDEBUG
  31 # define LOG(c) if (__td_debug) __libc_write (2, c "\n", strlen (c "\n"))
  32 extern int __td_debug;
  33 #else
  34 # define LOG(c)
  35 #endif
  36
  37
  38 /* Handle for a process.  This type is opaque.  */
  39 struct td_thragent
  40 {
  41   /* Delivered by the debugger and we have to pass it back in the
  42      proc callbacks.  */
  43   struct ps_prochandle *ph;
  44
  45   /* Some cached information.  */
  46
  47   /* Address of the `__pthread_handles' array.  */
  48   struct pthread_handle_struct *handles;
  49
  50   /* Address of the `pthread_kyes' array.  */
  51   struct pthread_key_struct *keys;
  52
  53   /* Maximum number of threads.  */
  54   int pthread_threads_max;
  55
  56   /* Maximum number of thread-local data keys.  */
  57   int pthread_keys_max;
  58
  59   /* Size of 2nd level array for thread-local data keys.  */
  60   int pthread_key_2ndlevel_size;
  61
  62   /* Sizeof struct _pthread_descr_struct.  */
  63   int sizeof_descr;
  64
  65   /* Pointer to the `__pthread_threads_events' variable in the target.  */
  66   psaddr_t pthread_threads_eventsp;
  67
  68   /* Pointer to the `__pthread_last_event' variable in the target.  */
  69   psaddr_t pthread_last_event;
  70
  71   /* Pointer to the `__pthread_handles_num' variable.  */
  72   psaddr_t pthread_handles_num;
  73 };
  74
  75
  76 /* Type used internally to keep track of thread agent descriptors.  */
  77 struct agent_list
  78 {
  79   td_thragent_t *ta;
  80   struct agent_list *next;
  81 };
  82
  83 /* List of all known descriptors.  */
  84 extern struct agent_list *__td_agent_list;
  85
  86 /* Function used to test for correct thread agent pointer.  */
  87 static inline int
  88 ta_ok (const td_thragent_t *ta)
  89 {
  90   struct agent_list *runp = __td_agent_list;
  91
  92   if (ta == NULL)
  93     return 0;
  94
  95   while (runp != NULL && runp->ta != ta)
  96     runp = runp->next;
  97
  98   return runp != NULL;
  99 }
 100
 101
 102 /* Internal wrapper around ps_pglobal_lookup.  */
 103 extern int td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr);
 104
 105 #endif /* thread_dbP.h */