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author | Ulrich Drepper <drepper@redhat.com> | 1999-10-08 07:03:03 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1999-10-08 07:03:03 +0000 |
commit | 9640bbe1c1fab7e1373e59160889b1fbc0bd000c (patch) | |
tree | 287038440c837cce542aba340414a0ce3b677f35 /linuxthreads_db/td_ta_new.c | |
parent | 10507e559514de6b31d1b81cbcc3c81b662aef89 (diff) | |
download | glibc-9640bbe1c1fab7e1373e59160889b1fbc0bd000c.zip glibc-9640bbe1c1fab7e1373e59160889b1fbc0bd000c.tar.gz glibc-9640bbe1c1fab7e1373e59160889b1fbc0bd000c.tar.bz2 |
Update.
1999-10-07 Ulrich Drepper <drepper@cygnus.com>
* Implies: New file.
* internals.h (struct _pthread_descr_struct): Add p_startfct.
* manager.c (pthread_handle_create): Initialize p_startfct.
* pthread.c: Define __linuxthread_pthread_sizeof_descr variable.
Diffstat (limited to 'linuxthreads_db/td_ta_new.c')
-rw-r--r-- | linuxthreads_db/td_ta_new.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/linuxthreads_db/td_ta_new.c b/linuxthreads_db/td_ta_new.c new file mode 100644 index 0000000..d018ac6 --- /dev/null +++ b/linuxthreads_db/td_ta_new.c @@ -0,0 +1,115 @@ +/* Attach to target process. + Copyright (C) 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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 "thread_dbP.h" + + +td_err_e +td_ta_new (struct ps_prochandle *ps, td_thragent_t **ta) +{ + psaddr_t addr; + + LOG (__FUNCTION__); + + /* See whether the library contains the necessary symbols. */ + if (ps_pglobal_lookup (ps, "libpthread.so.0", "__pthread_threads_debug", + &addr) != PS_OK) + return TD_LIBTHREAD; + + /* Fill in the appropriate information. */ + *ta = (td_thragent_t *) malloc (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; + + /* See whether the library contains the necessary symbols. */ + if (ps_pglobal_lookup (ps, "libpthread.so.0", "__pthread_handles", + &addr) != PS_OK) + { + free_return: + free (*ta); + return TD_ERR; + } + + (*ta)->handles = (struct pthread_handle_struct *) addr; + + + if (ps_pglobal_lookup (ps, "libpthread.so.0", "pthread_keys", + &addr) != PS_OK) + goto free_return; + + /* Cast to the right type. */ + (*ta)->keys = (struct pthread_key_struct *) addr; + + /* Find out about the maximum number of threads. Old implementations + don't provide this information. In this case we assume that the + debug library is compiled with the same values. */ + if (ps_pglobal_lookup (ps, "libpthread.so.0", + "__linuxthreads_pthread_threads_max", &addr) != PS_OK) + (*ta)->pthread_threads_max = PTHREAD_THREADS_MAX; + else + { + if (ps_pdread (ps, addr, &(*ta)->pthread_threads_max, sizeof (int)) + != PS_OK) + goto free_return; + } + + /* Similar for the maximum number of thread local data keys. */ + if (ps_pglobal_lookup (ps, "libpthread.so.0", + "__linuxthreads_pthread_keys_max", &addr) != PS_OK) + (*ta)->pthread_keys_max = PTHREAD_KEYS_MAX; + else + { + if (ps_pdread (ps, addr, &(*ta)->pthread_keys_max, sizeof (int)) + != PS_OK) + goto free_return; + } + + /* And for the size of the second level arrays for the keys. */ + if (ps_pglobal_lookup (ps, "libpthread.so.0", + "__linuxthreads_pthread_sizeof_descr", &addr) + != PS_OK) + (*ta)->sizeof_descr = offsetof (struct _pthread_descr_struct, p_startfct); + else + { + if (ps_pdread (ps, addr, &(*ta)->sizeof_descr, sizeof (int)) != PS_OK) + goto free_return; + } + + /* Similar for the maximum number of thread local data keys. */ + if (ps_pglobal_lookup (ps, "libpthread.so.0", + "__linuxthreads_pthread_keys_max", &addr) != PS_OK) + (*ta)->pthread_keys_max = PTHREAD_KEYS_MAX; + else + { + if (ps_pdread (ps, addr, &(*ta)->pthread_keys_max, sizeof (int)) + != PS_OK) + goto free_return; + } + + return TD_OK; +} |