1 /*
   2  * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "incls/_precompiled.incl"
  26 #include "incls/_threadLS_solaris_x86.cpp.incl"

  27 
  28 #ifdef AMD64
  29 extern "C" Thread*  fs_load(ptrdiff_t tlsOffset);
  30 extern "C" intptr_t fs_thread();
  31 #else
  32 // From solaris_i486.s
  33 extern "C" Thread*  gs_load(ptrdiff_t tlsOffset);
  34 extern "C" intptr_t gs_thread();
  35 #endif // AMD64
  36 
  37 // tlsMode encoding:
  38 //
  39 // pd_tlsAccessUndefined : uninitialized
  40 // pd_tlsAccessSlow      : not available
  41 // pd_tlsAccessIndirect  :
  42 //   old-style indirect access - present in "T1" libthread.
  43 //   use thr_slot_sync_allocate() to attempt to allocate a slot.
  44 // pd_tlsAccessDirect    :
  45 //   new-style direct access - present in late-model "T2" libthread.
  46 //   Allocate the offset (slot) via _thr_slot_offset() or by

   1 /*
   2  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "runtime/threadLocalStorage.hpp"
  27 #include "thread_solaris.inline.hpp"
  28 
  29 #ifdef AMD64
  30 extern "C" Thread*  fs_load(ptrdiff_t tlsOffset);
  31 extern "C" intptr_t fs_thread();
  32 #else
  33 // From solaris_i486.s
  34 extern "C" Thread*  gs_load(ptrdiff_t tlsOffset);
  35 extern "C" intptr_t gs_thread();
  36 #endif // AMD64
  37 
  38 // tlsMode encoding:
  39 //
  40 // pd_tlsAccessUndefined : uninitialized
  41 // pd_tlsAccessSlow      : not available
  42 // pd_tlsAccessIndirect  :
  43 //   old-style indirect access - present in "T1" libthread.
  44 //   use thr_slot_sync_allocate() to attempt to allocate a slot.
  45 // pd_tlsAccessDirect    :
  46 //   new-style direct access - present in late-model "T2" libthread.
  47 //   Allocate the offset (slot) via _thr_slot_offset() or by