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_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
26 #define OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
27
28 #include "runtime/os.hpp"
29
30 inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; }
31 inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; }
32 inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; }
33
34
35 inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; }
36 inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; }
37
38 inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; }
39 inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; }
40 inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; }
41 inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; }
42 inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; }
43
44 inline void Atomic::inc (volatile jint* dest) { (void)add (1, dest); }
45 inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); }
46 inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); }
47
48 inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); }
49 inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); }
50 inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); }
51
52 // For Sun Studio - implementation is in solaris_x86_[32/64].il.
53 // For gcc - implementation is just below.
54
55 extern "C" {
56 jint _Atomic_add(jint add_value, volatile jint* dest);
57 jint _Atomic_xchg(jint exchange_value, volatile jint* dest);
58 jbyte _Atomic_cmpxchg_byte(jbyte exchange_value, volatile jbyte* dest,
59 jbyte compare_value);
60 jint _Atomic_cmpxchg(jint exchange_value, volatile jint* dest,
61 jint compare_value);
62 jlong _Atomic_cmpxchg_long(jlong exchange_value, volatile jlong* dest,
63 jlong compare_value);
64 }
65
66 inline jint Atomic::add (jint add_value, volatile jint* dest) {
67 return _Atomic_add(add_value, dest);
68 }
69
70 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
71 return _Atomic_xchg(exchange_value, dest);
72 }
73
74 #define VM_HAS_SPECIALIZED_CMPXCHG_BYTE
75 inline jbyte Atomic::cmpxchg (jbyte exchange_value, volatile jbyte* dest, jbyte compare_value, cmpxchg_memory_order order) {
76 return _Atomic_cmpxchg_byte(exchange_value, dest, compare_value);
77 }
78
79 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value, cmpxchg_memory_order order) {
80 return _Atomic_cmpxchg(exchange_value, dest, compare_value);
81 }
82
83 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value, cmpxchg_memory_order order) {
84 return _Atomic_cmpxchg_long(exchange_value, dest, compare_value);
85 }
86
87
88 #ifdef AMD64
89 inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; }
90 inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; }
91 extern "C" jlong _Atomic_add_long(jlong add_value, volatile jlong* dest);
92 extern "C" jlong _Atomic_xchg_long(jlong exchange_value, volatile jlong* dest);
93
94 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
95 return (intptr_t)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
96 }
97
98 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
99 return (void*)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
100 }
101
102 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
103 return (intptr_t)_Atomic_xchg_long((jlong)exchange_value, (volatile jlong*)dest);
104 }
105
106 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
107 return (void*)_Atomic_xchg_long((jlong)exchange_value, (volatile jlong*)dest);
108 }
109
110 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
111 return (intptr_t)_Atomic_cmpxchg_long((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value);
112 }
113
114 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value, cmpxchg_memory_order order) {
115 return (void*)_Atomic_cmpxchg_long((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value);
116 }
117
118 inline jlong Atomic::load(const volatile jlong* src) { return *src; }
119
120 #else // !AMD64
121
122 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
123 return (intptr_t)add((jint)add_value, (volatile jint*)dest);
124 }
125
126 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
127 return (void*)add((jint)add_value, (volatile jint*)dest);
128 }
129
130 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
131 return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest);
132 }
133
134 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
135 return (void*)xchg((jint)exchange_value, (volatile jint*)dest);
136 }
137
138 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
139 return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value, order);
140 }
141
142 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value, cmpxchg_memory_order order) {
143 return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value, order);
144 }
145
146 extern "C" void _Atomic_move_long(const volatile jlong* src, volatile jlong* dst);
147
148 inline jlong Atomic::load(const volatile jlong* src) {
149 volatile jlong dest;
150 _Atomic_move_long(src, &dest);
151 return dest;
152 }
153
154 inline void Atomic::store(jlong store_value, jlong* dest) {
155 _Atomic_move_long((volatile jlong*)&store_value, (volatile jlong*)dest);
156 }
157
158 inline void Atomic::store(jlong store_value, volatile jlong* dest) {
159 _Atomic_move_long((volatile jlong*)&store_value, dest);
160 }
161
162 #endif // AMD64
163
164
165 #endif // OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
|
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_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
26 #define OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
27
28 inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; }
29 inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; }
30 inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; }
31
32
33 inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; }
34 inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; }
35
36 inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; }
37 inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; }
38 inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; }
39 inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; }
40 inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; }
41
42 inline void Atomic::inc (volatile jint* dest) { (void)add (1, dest); }
43 inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); }
44 inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); }
45
46 inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); }
47 inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); }
48 inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); }
49
50 // For Sun Studio - implementation is in solaris_x86_64.il.
51
52 extern "C" {
53 jint _Atomic_add(jint add_value, volatile jint* dest);
54 jint _Atomic_xchg(jint exchange_value, volatile jint* dest);
55 jbyte _Atomic_cmpxchg_byte(jbyte exchange_value, volatile jbyte* dest,
56 jbyte compare_value);
57 jint _Atomic_cmpxchg(jint exchange_value, volatile jint* dest,
58 jint compare_value);
59 jlong _Atomic_cmpxchg_long(jlong exchange_value, volatile jlong* dest,
60 jlong compare_value);
61 }
62
63 inline jint Atomic::add (jint add_value, volatile jint* dest) {
64 return _Atomic_add(add_value, dest);
65 }
66
67 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
68 return _Atomic_xchg(exchange_value, dest);
69 }
70
71 // Not using cmpxchg_using_helper here, because some configurations of
72 // Solaris compiler don't deal well with passing a "defined in .il"
73 // function as an argument. We *should* switch to using gcc-style
74 // inline assembly, but attempting to do so with Studio 12.4 ran into
75 // segfaults.
76
77 template<>
78 template<typename T>
79 inline T Atomic::PlatformCmpxchg<1>::operator()(T exchange_value,
80 T volatile* dest,
81 T compare_value,
82 cmpxchg_memory_order order) const {
83 STATIC_ASSERT(1 == sizeof(T));
84 return IntegerTypes::cast<T>(
85 _Atomic_cmpxchg_byte(IntegerTypes::cast<jbyte>(exchange_value),
86 reinterpret_cast<jbyte volatile*>(dest),
87 IntegerTypes::cast<jbyte>(compare_value)));
88 }
89
90 template<>
91 template<typename T>
92 inline T Atomic::PlatformCmpxchg<4>::operator()(T exchange_value,
93 T volatile* dest,
94 T compare_value,
95 cmpxchg_memory_order order) const {
96 STATIC_ASSERT(4 == sizeof(T));
97 return IntegerTypes::cast<T>(
98 _Atomic_cmpxchg(IntegerTypes::cast<jint>(exchange_value),
99 reinterpret_cast<jint volatile*>(dest),
100 IntegerTypes::cast<jint>(compare_value)));
101 }
102
103 template<>
104 template<typename T>
105 inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
106 T volatile* dest,
107 T compare_value,
108 cmpxchg_memory_order order) const {
109 STATIC_ASSERT(8 == sizeof(T));
110 return IntegerTypes::cast<T>(
111 _Atomic_cmpxchg_long(IntegerTypes::cast<jlong>(exchange_value),
112 reinterpret_cast<jlong volatile*>(dest),
113 IntegerTypes::cast<jlong>(compare_value)));
114 }
115
116 inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; }
117 inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; }
118 extern "C" jlong _Atomic_add_long(jlong add_value, volatile jlong* dest);
119 extern "C" jlong _Atomic_xchg_long(jlong exchange_value, volatile jlong* dest);
120
121 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
122 return (intptr_t)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
123 }
124
125 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
126 return (void*)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
127 }
128
129 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
130 return (intptr_t)_Atomic_xchg_long((jlong)exchange_value, (volatile jlong*)dest);
131 }
132
133 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
134 return (void*)_Atomic_xchg_long((jlong)exchange_value, (volatile jlong*)dest);
135 }
136
137 inline jlong Atomic::load(const volatile jlong* src) { return *src; }
138
139 #endif // OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
|