nptl_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 <stdbool.h>
   6 #include <string.h>
   7 #include <unistd.h>
   8 #include "proc_service.h"
   9 #include "thread_db.h"
  10 #include "../nptl/pthreadP.h"
  11 #include <list.h>
  12
  13
  14 /* Indeces for the symbol names.  */
  15 enum
  16   {
  17     SYM_PTHREAD_THREADS_EVENTS = 0,
  18     SYM_PTHREAD_LAST_EVENT,
  19     SYM_PTHREAD_NTHREADS,
  20     SYM_PTHREAD_STACK_USED,
  21     SYM_PTHREAD_STACK_USER,
  22     SYM_PTHREAD_KEYS,
  23     SYM_PTHREAD_KEYS_MAX,
  24     SYM_PTHREAD_SIZEOF_DESCR,
  25     SYM_PTHREAD_CREATE_EVENT,
  26     SYM_PTHREAD_DEATH_EVENT,
  27     SYM_PTHREAD_VERSION,
  28     SYM_NUM_MESSAGES
  29   };
  30
  31
  32 /* Comment out the following for less verbose output.  */
  33 #ifndef NDEBUG
  34 # define LOG(c) if (__td_debug) __libc_write (2, c "\n", strlen (c "\n"))
  35 extern int __td_debug;
  36 #else
  37 # define LOG(c)
  38 #endif
  39
  40
  41 /* Handle for a process.  This type is opaque.  */
  42 struct td_thragent
  43 {
  44   /* Delivered by the debugger and we have to pass it back in the
  45      proc callbacks.  */
  46   struct ps_prochandle *ph;
  47
  48   /* Some cached information.  */
  49
  50   /* Lists of running threads.  */
  51   psaddr_t stack_used;
  52   psaddr_t stack_user;
  53
  54   /* Address of the `pthread_keys' array.  */
  55   struct pthread_key_struct *keys;
  56
  57   /* Maximum number of thread-local data keys.  */
  58   int pthread_keys_max;
  59
  60   /* Size of 2nd level array for thread-local data keys.  */
  61   int pthread_key_2ndlevel_size;
  62
  63   /* Sizeof struct _pthread_descr_struct.  */
  64   int sizeof_descr;
  65
  66   /* Pointer to the `__pthread_threads_events' variable in the target.  */
  67   psaddr_t pthread_threads_eventsp;
  68
  69   /* Pointer to the `__pthread_last_event' variable in the target.  */
  70   psaddr_t pthread_last_event;
  71
  72   /* List head the queue agent structures.  */
  73   list_t list;
  74 };
  75
  76
  77 /* List of all known descriptors.  */
  78 extern list_t __td_agent_list;
  79
  80
  81 /* Function used to test for correct thread agent pointer.  */
  82 static inline bool
  83 ta_ok (const td_thragent_t *ta)
  84 {
  85   list_t *runp;
  86
  87   list_for_each (runp, &__td_agent_list)
  88     if (list_entry (runp, td_thragent_t, list) == ta)
  89       return true;
  90
  91   return false;
  92 }
  93
  94
  95 /* Internal wrapper around ps_pglobal_lookup.  */
  96 extern int td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr);
  97
  98 #endif /* thread_dbP.h */