1 /*

     2  * Copyright 1999-2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    24 

    25 #include "incls/_precompiled.incl"

    26 #include "incls/_assembler_linux_x86_32.cpp.incl"

    27 

    28 void MacroAssembler::int3() {

    29   call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));

    30 }

    31 

    32 void MacroAssembler::get_thread(Register thread) {

    33   movl(thread, rsp);

    34   shrl(thread, PAGE_SHIFT);

    35 

    36   ExternalAddress tls_base((address)ThreadLocalStorage::sp_map_addr());

    37   Address index(noreg, thread, Address::times_4);

    38   ArrayAddress tls(tls_base, index);

    39 

    40   movptr(thread, tls);

    41 }