diff options
Diffstat (limited to 'linuxthreads_db/td_thr_tlsbase.c')
-rw-r--r-- | linuxthreads_db/td_thr_tlsbase.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/linuxthreads_db/td_thr_tlsbase.c b/linuxthreads_db/td_thr_tlsbase.c deleted file mode 100644 index 5a7e31b9e1..0000000000 --- a/linuxthreads_db/td_thr_tlsbase.c +++ /dev/null @@ -1,71 +0,0 @@ -/* Locate TLS data for a thread. - Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 "thread_dbP.h" - -/* Value used for dtv entries for which the allocation is delayed. */ -# define TLS_DTV_UNALLOCATED ((void *) -1l) - -td_err_e -td_thr_tlsbase (const td_thrhandle_t *th, - unsigned long int modid, - psaddr_t *base) -{ - if (modid < 1) - return TD_NOTLS; - -#if USE_TLS - union dtv pdtv, *dtvp; - - LOG ("td_thr_tlsbase"); - - psaddr_t dtvpp = th->th_unique; -#if TLS_TCB_AT_TP - dtvpp += offsetof (struct _pthread_descr_struct, p_header.data.dtvp); -#elif TLS_DTV_AT_TP -/* Special case hack. If TLS_TCB_SIZE == 0 (on PowerPC), there is no TCB - containing the DTV at the TP, but actually the TCB lies behind the TP, - i.e. at the very end of the area covered by TLS_PRE_TCB_SIZE. */ - dtvpp += TLS_PRE_TCB_SIZE + offsetof (tcbhead_t, dtv) - - (TLS_TCB_SIZE == 0 ? sizeof (tcbhead_t) : 0); -#else -# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined." -#endif - - /* Get the DTV pointer from the thread descriptor. */ - if (ps_pdread (th->th_ta_p->ph, dtvpp, &dtvp, sizeof dtvp) != PS_OK) - return TD_ERR; /* XXX Other error value? */ - - /* Get the corresponding entry in the DTV. */ - if (ps_pdread (th->th_ta_p->ph, dtvp + modid, - &pdtv, sizeof (union dtv)) != PS_OK) - return TD_ERR; /* XXX Other error value? */ - - /* It could be that the memory for this module is not allocated for - the given thread. */ - if (pdtv.pointer.val == TLS_DTV_UNALLOCATED) - return TD_TLSDEFER; - - *base = (char *) pdtv.pointer.val; - - return TD_OK; -#else - return TD_ERR; -#endif -} |