glibc/nptl_db/thread_dbP.h

99 lines
2.2 KiB
C

/* Private header for thread debug library. */
#ifndef _THREAD_DBP_H
#define _THREAD_DBP_H 1
#include <stdbool.h>
#include <string.h>
#include <unistd.h>
#include "proc_service.h"
#include "thread_db.h"
#include "../nptl/pthreadP.h"
#include <list.h>
/* Indeces for the symbol names. */
enum
{
SYM_PTHREAD_THREADS_EVENTS = 0,
SYM_PTHREAD_LAST_EVENT,
SYM_PTHREAD_NTHREADS,
SYM_PTHREAD_STACK_USED,
SYM_PTHREAD_STACK_USER,
SYM_PTHREAD_KEYS,
SYM_PTHREAD_KEYS_MAX,
SYM_PTHREAD_SIZEOF_DESCR,
SYM_PTHREAD_CREATE_EVENT,
SYM_PTHREAD_DEATH_EVENT,
SYM_PTHREAD_VERSION,
SYM_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. */
/* Lists of running threads. */
psaddr_t stack_used;
psaddr_t stack_user;
/* Address of the `pthread_keys' array. */
struct pthread_key_struct *keys;
/* 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;
/* List head the queue agent structures. */
list_t list;
};
/* List of all known descriptors. */
extern list_t __td_agent_list;
/* Function used to test for correct thread agent pointer. */
static inline bool
ta_ok (const td_thragent_t *ta)
{
list_t *runp;
list_for_each (runp, &__td_agent_list)
if (list_entry (runp, td_thragent_t, list) == ta)
return true;
return false;
}
/* Internal wrapper around ps_pglobal_lookup. */
extern int td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr);
#endif /* thread_dbP.h */