diff options
Diffstat (limited to 'linuxthreads_db/td_thr_tls_get_addr.c')
-rw-r--r-- | linuxthreads_db/td_thr_tls_get_addr.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/linuxthreads_db/td_thr_tls_get_addr.c b/linuxthreads_db/td_thr_tls_get_addr.c new file mode 100644 index 0000000000..c900cac8e0 --- /dev/null +++ b/linuxthreads_db/td_thr_tls_get_addr.c @@ -0,0 +1,45 @@ +/* Get address of thread local variable. + Copyright (C) 2002,2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 2002. + + 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 <link.h> +#include "thread_dbP.h" + +td_err_e +td_thr_tls_get_addr (const td_thrhandle_t *th __attribute__ ((unused)), + void *map_address __attribute__ ((unused)), + size_t offset __attribute__ ((unused)), + void **address __attribute__ ((unused))) +{ +#if USE_TLS + /* Read the module ID from the link_map. */ + size_t modid; + if (ps_pdread (th->th_ta_p->ph, + &((struct link_map *) map_address)->l_tls_modid, + &modid, sizeof modid) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + td_err_e result = td_thr_tlsbase (th, modid, address); + if (result == TD_OK) + *address += offset; + return result; +#else + return TD_ERR; +#endif +} |