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/* Private header for thread debug library.  */
#ifndef _THREAD_DBP_H
#define _THREAD_DBP_H	1
 
#include <string.h>
#include "proc_service.h"
#include "thread_db.h"
#include "internals.h"
 
 
/* Indeces for the symbol names.  */
enum
  {
    PTHREAD_THREADS_EVENTS = 0,
    PTHREAD_LAST_EVENT,
    PTHREAD_HANDLES_NUM,
    PTHREAD_HANDLES,
    PTHREAD_KEYS,
    LINUXTHREADS_PTHREAD_THREADS_MAX,
    LINUXTHREADS_PTHREAD_KEYS_MAX,
    LINUXTHREADS_PTHREAD_SIZEOF_DESCR,
    LINUXTHREADS_CREATE_EVENT,
    LINUXTHREADS_DEATH_EVENT,
    LINUXTHREADS_REAP_EVENT,
    NUM_MESSAGES
  };
 
 
/* Comment out the following for less verbose output.  */
#ifndef NDEBUG
# define LOG(c) if (__td_debug) __libc_write (2, c "\n", strlen (c "\n"))
extern int __td_debug;
#else
# define LOG(c)
#endif
 
 
/* Handle for a process.  This type is opaque.  */
struct td_thragent
{
  /* Delivered by the debugger and we have to pass it back in the
     proc callbacks.  */
  struct ps_prochandle *ph;
 
  /* Some cached information.  */
 
  /* Address of the `__pthread_handles' array.  */
  struct pthread_handle_struct *handles;
 
  /* Address of the `pthread_kyes' array.  */
  struct pthread_key_struct *keys;
 
  /* Maximum number of threads.  */
  int pthread_threads_max;
 
  /* Maximum number of thread-local data keys.  */
  int pthread_keys_max;
 
  /* Size of 2nd level array for thread-local data keys.  */
  int pthread_key_2ndlevel_size;
 
  /* Sizeof struct _pthread_descr_struct.  */
  int sizeof_descr;
 
  /* Pointer to the `__pthread_threads_events' variable in the target.  */
  psaddr_t pthread_threads_eventsp;
 
  /* Pointer to the `__pthread_last_event' variable in the target.  */
  psaddr_t pthread_last_event;
 
  /* Pointer to the `__pthread_handles_num' variable.  */
  psaddr_t pthread_handles_num;
};
 
 
/* Type used internally to keep track of thread agent descriptors.  */
struct agent_list
{
  td_thragent_t *ta;
  struct agent_list *next;
};
 
/* List of all known descriptors.  */
extern struct agent_list *__td_agent_list;
 
/* Function used to test for correct thread agent pointer.  */
static inline int
ta_ok (const td_thragent_t *ta)
{
  struct agent_list *runp = __td_agent_list;
 
  if (ta == NULL)
    return 0;
 
  while (runp != NULL && runp->ta != ta)
    runp = runp->next;
 
  return runp != NULL;
}
 
 
/* Internal wrapper around ps_pglobal_lookup.  */
extern int td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr);
 
#endif /* thread_dbP.h */