2.5-18.1

linuxthreads_db/td_thr_tlsbase.c

@@ -1,71 +0,0 @@
-/* Locate TLS data for a thread.
-   Copyright (C) 2003, 2004 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 == TLS_DTV_UNALLOCATED)
-    return TD_TLSDEFER;
-
-  *base = (char *) pdtv.pointer;
-
-  return TD_OK;
-#else
-  return TD_ERR;
-#endif
-}