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- /* Attach to target process.
- Copyright (C) 1999,2001,2002,2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #include <stddef.h>
- #include <stdlib.h>
- #include <string.h>
- #include <version.h>
- #include "thread_dbP.h"
- /* Datatype for the list of known thread agents. Normally there will
- be exactly one so we don't spend much though on making it fast. */
- LIST_HEAD (__td_agent_list);
- td_err_e
- td_ta_new (struct ps_prochandle *ps, td_thragent_t **ta)
- {
- psaddr_t versaddr;
- char versbuf[sizeof (VERSION)];
- LOG ("td_ta_new");
- /* Check whether the versions match. */
- if (td_lookup (ps, SYM_nptl_version, &versaddr) != PS_OK)
- return TD_NOLIBTHREAD;
- if (ps_pdread (ps, versaddr, versbuf, sizeof (versbuf)) != PS_OK)
- return TD_ERR;
- if (memcmp (versbuf, VERSION, sizeof VERSION) != 0)
- /* Not the right version. */
- return TD_VERSION;
- /* Fill in the appropriate information. */
- *ta = (td_thragent_t *) calloc (1, sizeof (td_thragent_t));
- if (*ta == NULL)
- return TD_MALLOC;
- /* Store the proc handle which we will pass to the callback functions
- back into the debugger. */
- (*ta)->ph = ps;
- /* Now add the new agent descriptor to the list. */
- list_add (&(*ta)->list, &__td_agent_list);
- return TD_OK;
- }
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