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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 */