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src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp@bd02caa94611

src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp

Tue, 28 Jul 2009 12:12:40 -0700

author
xdono
date
Tue, 28 Jul 2009 12:12:40 -0700
changeset 1279
bd02caa94611
parent 1106
d0994e5bebce
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6862919: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 07/09
Reviewed-by: tbell, ohair

     1 /*

     2  * Copyright 2003-2009 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 // Implementation of class OrderAccess.

    26 

    27 // Assume TSO.

    28 

    29 // In solaris_sparc.il

    30 extern "C" void _OrderAccess_acquire();

    31 extern "C" void _OrderAccess_fence();

    32 

    33 inline void OrderAccess::loadload()   { acquire(); }

    34 inline void OrderAccess::storestore() { release(); }

    35 inline void OrderAccess::loadstore()  { acquire(); }

    36 inline void OrderAccess::storeload()  { fence(); }

    37 

    38 #ifdef _GNU_SOURCE

    39 

    40 inline void OrderAccess::acquire() {

    41   __asm__ volatile ("nop" : : :);

    42 }

    43 

    44 inline void OrderAccess::release() {

    45   jint* dummy = (jint*)&dummy;

    46   __asm__ volatile("stw %%g0, [%0]" : : "r" (dummy) : "memory");

    47 }

    48 

    49 inline void OrderAccess::fence() {

    50   __asm__ volatile ("membar  #StoreLoad" : : :);

    51 }

    52 

    53 #else  // _GNU_SOURCE

    54 

    55 inline void OrderAccess::acquire() {

    56   _OrderAccess_acquire();

    57 }

    58 

    59 inline void OrderAccess::release() {

    60   dummy = 0;

    61 }

    62 

    63 inline void OrderAccess::fence() {

    64   _OrderAccess_fence();

    65 }

    66 

    67 #endif // _GNU_SOURCE

    68 

    69 inline jbyte    OrderAccess::load_acquire(volatile jbyte*   p) { return *p; }

    70 inline jshort   OrderAccess::load_acquire(volatile jshort*  p) { return *p; }

    71 inline jint     OrderAccess::load_acquire(volatile jint*    p) { return *p; }

    72 inline jlong    OrderAccess::load_acquire(volatile jlong*   p) { return *p; }

    73 inline jubyte   OrderAccess::load_acquire(volatile jubyte*  p) { return *p; }

    74 inline jushort  OrderAccess::load_acquire(volatile jushort* p) { return *p; }

    75 inline juint    OrderAccess::load_acquire(volatile juint*   p) { return *p; }

    76 inline julong   OrderAccess::load_acquire(volatile julong*  p) { return *p; }

    77 inline jfloat   OrderAccess::load_acquire(volatile jfloat*  p) { return *p; }

    78 inline jdouble  OrderAccess::load_acquire(volatile jdouble* p) { return *p; }

    79 

    80 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t*   p) { return *p; }

    81 inline void*    OrderAccess::load_ptr_acquire(volatile void*       p) { return *(void* volatile *)p; }

    82 inline void*    OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; }

    83 

    84 inline void     OrderAccess::release_store(volatile jbyte*   p, jbyte   v) { *p = v; }

    85 inline void     OrderAccess::release_store(volatile jshort*  p, jshort  v) { *p = v; }

    86 inline void     OrderAccess::release_store(volatile jint*    p, jint    v) { *p = v; }

    87 inline void     OrderAccess::release_store(volatile jlong*   p, jlong   v) { *p = v; }

    88 inline void     OrderAccess::release_store(volatile jubyte*  p, jubyte  v) { *p = v; }

    89 inline void     OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; }

    90 inline void     OrderAccess::release_store(volatile juint*   p, juint   v) { *p = v; }

    91 inline void     OrderAccess::release_store(volatile julong*  p, julong  v) { *p = v; }

    92 inline void     OrderAccess::release_store(volatile jfloat*  p, jfloat  v) { *p = v; }

    93 inline void     OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; }

    94 

    95 inline void     OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; }

    96 inline void     OrderAccess::release_store_ptr(volatile void*     p, void*    v) { *(void* volatile *)p = v; }

    97 

    98 inline void     OrderAccess::store_fence(jbyte*   p, jbyte   v) { *p = v; fence(); }

    99 inline void     OrderAccess::store_fence(jshort*  p, jshort  v) { *p = v; fence(); }

   100 inline void     OrderAccess::store_fence(jint*    p, jint    v) { *p = v; fence(); }

   101 inline void     OrderAccess::store_fence(jlong*   p, jlong   v) { *p = v; fence(); }

   102 inline void     OrderAccess::store_fence(jubyte*  p, jubyte  v) { *p = v; fence(); }

   103 inline void     OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); }

   104 inline void     OrderAccess::store_fence(juint*   p, juint   v) { *p = v; fence(); }

   105 inline void     OrderAccess::store_fence(julong*  p, julong  v) { *p = v; fence(); }

   106 inline void     OrderAccess::store_fence(jfloat*  p, jfloat  v) { *p = v; fence(); }

   107 inline void     OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); }

   108 

   109 inline void     OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); }

   110 inline void     OrderAccess::store_ptr_fence(void**    p, void*    v) { *p = v; fence(); }

   111 

   112 inline void     OrderAccess::release_store_fence(volatile jbyte*   p, jbyte   v) { *p = v; fence(); }

   113 inline void     OrderAccess::release_store_fence(volatile jshort*  p, jshort  v) { *p = v; fence(); }

   114 inline void     OrderAccess::release_store_fence(volatile jint*    p, jint    v) { *p = v; fence(); }

   115 inline void     OrderAccess::release_store_fence(volatile jlong*   p, jlong   v) { *p = v; fence(); }

   116 inline void     OrderAccess::release_store_fence(volatile jubyte*  p, jubyte  v) { *p = v; fence(); }

   117 inline void     OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }

   118 inline void     OrderAccess::release_store_fence(volatile juint*   p, juint   v) { *p = v; fence(); }

   119 inline void     OrderAccess::release_store_fence(volatile julong*  p, julong  v) { *p = v; fence(); }

   120 inline void     OrderAccess::release_store_fence(volatile jfloat*  p, jfloat  v) { *p = v; fence(); }

   121 inline void     OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); }

   122 

   123 inline void     OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }

   124 inline void     OrderAccess::release_store_ptr_fence(volatile void*     p, void*    v) { *(void* volatile *)p = v; fence(); }

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