| /* 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #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; |
| } |