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46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/* Get address of thread local variable.
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Copyright (C) 2002,2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <link.h>
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#include "thread_dbP.h"
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td_err_e
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td_thr_tls_get_addr (const td_thrhandle_t *th __attribute__ ((unused)),
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void *map_address __attribute__ ((unused)),
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size_t offset __attribute__ ((unused)),
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void **address __attribute__ ((unused)))
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{
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#if USE_TLS
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/* Read the module ID from the link_map. */
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size_t modid;
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if (ps_pdread (th->th_ta_p->ph,
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&((struct link_map *) map_address)->l_tls_modid,
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&modid, sizeof modid) != PS_OK)
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return TD_ERR; /* XXX Other error value? */
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td_err_e result = td_thr_tlsbase (th, modid, address);
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if (result == TD_OK)
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*address += offset;
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return result;
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#else
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return TD_ERR;
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#endif
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}
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