1 /*
2 * Copyright (c) 1999, 2008, 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 // Implementation of class atomic
26
27 inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; }
28 inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; }
29 inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; }
30 inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; }
31 inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; }
32 inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; }
33
34 inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; }
35 inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; }
36 inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; }
37 inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; }
38 inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; }
39 inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; }
40
41 inline void Atomic::inc (volatile jint* dest) { (void)add (1, dest); }
42 inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); }
43 inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); }
44
187 intptr_t rv;
188 #ifdef _LP64
189 __asm__ volatile(
190 " casx [%2], %3, %0"
191 : "=r" (rv)
192 : "0" (exchange_value), "r" (dest), "r" (compare_value)
193 : "memory");
194 #else
195 __asm__ volatile(
196 " cas [%2], %3, %0"
197 : "=r" (rv)
198 : "0" (exchange_value), "r" (dest), "r" (compare_value)
199 : "memory");
200 #endif // _LP64
201 return rv;
202 }
203
204 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) {
205 return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value);
206 }
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1 /*
2 * Copyright (c) 1999, 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 #ifndef OS_CPU_LINUX_SPARC_VM_ATOMIC_LINUX_SPARC_INLINE_HPP
26 #define OS_CPU_LINUX_SPARC_VM_ATOMIC_LINUX_SPARC_INLINE_HPP
27
28 #include "orderAccess_linux_sparc.inline.hpp"
29 #include "runtime/atomic.hpp"
30 #include "runtime/os.hpp"
31 #include "vm_version_sparc.hpp"
32
33 // Implementation of class atomic
34
35 inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; }
36 inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; }
37 inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; }
38 inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; }
39 inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; }
40 inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; }
41
42 inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; }
43 inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; }
44 inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; }
45 inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; }
46 inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; }
47 inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; }
48
49 inline void Atomic::inc (volatile jint* dest) { (void)add (1, dest); }
50 inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); }
51 inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); }
52
195 intptr_t rv;
196 #ifdef _LP64
197 __asm__ volatile(
198 " casx [%2], %3, %0"
199 : "=r" (rv)
200 : "0" (exchange_value), "r" (dest), "r" (compare_value)
201 : "memory");
202 #else
203 __asm__ volatile(
204 " cas [%2], %3, %0"
205 : "=r" (rv)
206 : "0" (exchange_value), "r" (dest), "r" (compare_value)
207 : "memory");
208 #endif // _LP64
209 return rv;
210 }
211
212 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) {
213 return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value);
214 }
215
216 #endif // OS_CPU_LINUX_SPARC_VM_ATOMIC_LINUX_SPARC_INLINE_HPP
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