mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-09 04:11:27 +08:00
2f84cc6a48
* thread_db.h (td_err_e): Add TD_NOTLS and TD_TLSDEFER. (td_thr_tlsbase): Declare it. * td_thr_tlsbase.c: New file. * Makefile (libthread_db-routines): Add it. * Versions (libthread_db: GLIBC_2.3.3): New set, add td_thr_tlsbase. * td_thr_tls_get_addr.c (td_thr_tls_get_addr): Use td_thr_tlsbase.
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/* 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
|
|
}
|