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 #ifndef SHARE_GC_Z_ZBARRIERSET_HPP
25 #define SHARE_GC_Z_ZBARRIERSET_HPP
26
27 #include "gc/shared/barrierSet.hpp"
28 #include "gc/z/zAddress.hpp"
29
30 class ZBarrierSetAssembler;
31
32 class ZBarrierSet : public BarrierSet {
33 private:
34 static zpointer store_good(oop obj);
35
36 static void load_barrier_all(oop src, size_t size);
37 static void color_store_good_all(oop dst, size_t size);
38
39 static zaddress load_barrier_on_oop_field_preloaded(volatile zpointer* p, zpointer o);
40 static zaddress no_keep_alive_load_barrier_on_weak_oop_field_preloaded(volatile zpointer* p, zpointer o);
41 static zaddress no_keep_alive_load_barrier_on_phantom_oop_field_preloaded(volatile zpointer* p, zpointer o);
42 static zaddress load_barrier_on_weak_oop_field_preloaded(volatile zpointer* p, zpointer o);
43 static zaddress load_barrier_on_phantom_oop_field_preloaded(volatile zpointer* p, zpointer o);
44
45 static void store_barrier_on_heap_oop_field(volatile zpointer* p, bool heal);
46 static void no_keep_alive_store_barrier_on_heap_oop_field(volatile zpointer* p);
47 static void store_barrier_on_native_oop_field(volatile zpointer* p, bool heal);
48
49 static zaddress load_barrier_on_oop_field(volatile zpointer* p);
50
84 static void store_barrier_heap_with_healing(zpointer* p);
85 static void store_barrier_heap_without_healing(zpointer* p);
86 static void no_keep_alive_store_barrier_heap(zpointer* p);
87
88 static void store_barrier_native_with_healing(zpointer* p);
89 static void store_barrier_native_without_healing(zpointer* p);
90
91 [[noreturn]]
92 static void unsupported();
93 static zaddress load_barrier(narrowOop* p, zpointer o) { unsupported(); return zaddress::null; }
94 static zaddress load_barrier_on_unknown_oop_ref(oop base, ptrdiff_t offset, narrowOop* p, zpointer o) { unsupported(); return zaddress::null; }
95 static void store_barrier_heap_with_healing(narrowOop* p) { unsupported(); }
96 static void store_barrier_heap_without_healing(narrowOop* p) { unsupported(); }
97 static void no_keep_alive_store_barrier_heap(narrowOop* p) { unsupported(); }
98 static void store_barrier_native_with_healing(narrowOop* p) { unsupported(); }
99 static void store_barrier_native_without_healing(narrowOop* p) { unsupported(); }
100
101 static zaddress oop_copy_one_barriers(zpointer* dst, zpointer* src);
102 static OopCopyResult oop_copy_one_check_cast(zpointer* dst, zpointer* src, Klass* dst_klass);
103 static OopCopyResult oop_copy_one(zpointer* dst, zpointer* src);
104
105 static OopCopyResult oop_arraycopy_in_heap_check_cast(zpointer* dst, zpointer* src, size_t length, Klass* dst_klass);
106 static OopCopyResult oop_arraycopy_in_heap_no_check_cast(zpointer* dst, zpointer* src, size_t length);
107
108 public:
109 //
110 // In heap
111 //
112 static oop oop_load_in_heap(zpointer* p);
113 static oop oop_load_in_heap(oop* p) { return oop_load_in_heap((zpointer*)p); };
114 static oop oop_load_in_heap(narrowOop* p) { unsupported(); return nullptr; }
115
116 static oop oop_load_in_heap_at(oop base, ptrdiff_t offset);
117
118 static void oop_store_in_heap(zpointer* p, oop value);
119 static void oop_store_in_heap(oop* p, oop value) { oop_store_in_heap((zpointer*)p, value); }
120 static void oop_store_in_heap(narrowOop* p, oop value) { unsupported(); }
121 static void oop_store_in_heap_at(oop base, ptrdiff_t offset, oop value);
122
123 static void oop_store_not_in_heap(zpointer* p, oop value);
134 static oop oop_atomic_xchg_in_heap(oop* p, oop new_value) { return oop_atomic_xchg_in_heap((zpointer*)p, new_value); }
135 static oop oop_atomic_xchg_in_heap(narrowOop* p, oop new_value) { unsupported(); return nullptr; }
136 static oop oop_atomic_xchg_in_heap_at(oop base, ptrdiff_t offset, oop new_value);
137
138 static OopCopyResult oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, zpointer* src_raw,
139 arrayOop dst_obj, size_t dst_offset_in_bytes, zpointer* dst_raw,
140 size_t length);
141 static OopCopyResult oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, oop* src_raw,
142 arrayOop dst_obj, size_t dst_offset_in_bytes, oop* dst_raw,
143 size_t length) {
144 return oop_arraycopy_in_heap(src_obj, src_offset_in_bytes, (zpointer*)src_raw,
145 dst_obj, dst_offset_in_bytes, (zpointer*)dst_raw,
146 length);
147 }
148 static OopCopyResult oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, narrowOop* src_raw,
149 arrayOop dst_obj, size_t dst_offset_in_bytes, narrowOop* dst_raw,
150 size_t length) { unsupported(); }
151
152 static void clone_in_heap(oop src, oop dst, size_t size);
153
154 //
155 // Not in heap
156 //
157 static oop oop_load_not_in_heap(zpointer* p);
158 static oop oop_load_not_in_heap(oop* p);
159 static oop oop_load_not_in_heap(narrowOop* p) { unsupported(); return nullptr; }
160
161 static oop oop_atomic_cmpxchg_not_in_heap(zpointer* p, oop compare_value, oop new_value);
162 static oop oop_atomic_cmpxchg_not_in_heap(oop* p, oop compare_value, oop new_value) {
163 return oop_atomic_cmpxchg_not_in_heap((zpointer*)p, compare_value, new_value);
164 }
165 static oop oop_atomic_cmpxchg_not_in_heap(narrowOop* addr, oop compare_value, oop new_value) { unsupported(); return nullptr; }
166
167 static oop oop_atomic_xchg_not_in_heap(zpointer* p, oop new_value);
168 static oop oop_atomic_xchg_not_in_heap(oop* p, oop new_value) { return oop_atomic_xchg_not_in_heap((zpointer*)p, new_value); }
169 static oop oop_atomic_xchg_not_in_heap(narrowOop* p, oop new_value) { unsupported(); return nullptr; }
170 };
171 };
172
173 template<> struct BarrierSet::GetName<ZBarrierSet> {
|
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 #ifndef SHARE_GC_Z_ZBARRIERSET_HPP
25 #define SHARE_GC_Z_ZBARRIERSET_HPP
26
27 #include "gc/shared/barrierSet.hpp"
28 #include "gc/z/zAddress.hpp"
29
30 class ZBarrierSetAssembler;
31 class ValuePayload;
32
33 class ZBarrierSet : public BarrierSet {
34 private:
35 static zpointer store_good(oop obj);
36
37 static void load_barrier_all(oop src, size_t size);
38 static void color_store_good_all(oop dst, size_t size);
39
40 static zaddress load_barrier_on_oop_field_preloaded(volatile zpointer* p, zpointer o);
41 static zaddress no_keep_alive_load_barrier_on_weak_oop_field_preloaded(volatile zpointer* p, zpointer o);
42 static zaddress no_keep_alive_load_barrier_on_phantom_oop_field_preloaded(volatile zpointer* p, zpointer o);
43 static zaddress load_barrier_on_weak_oop_field_preloaded(volatile zpointer* p, zpointer o);
44 static zaddress load_barrier_on_phantom_oop_field_preloaded(volatile zpointer* p, zpointer o);
45
46 static void store_barrier_on_heap_oop_field(volatile zpointer* p, bool heal);
47 static void no_keep_alive_store_barrier_on_heap_oop_field(volatile zpointer* p);
48 static void store_barrier_on_native_oop_field(volatile zpointer* p, bool heal);
49
50 static zaddress load_barrier_on_oop_field(volatile zpointer* p);
51
85 static void store_barrier_heap_with_healing(zpointer* p);
86 static void store_barrier_heap_without_healing(zpointer* p);
87 static void no_keep_alive_store_barrier_heap(zpointer* p);
88
89 static void store_barrier_native_with_healing(zpointer* p);
90 static void store_barrier_native_without_healing(zpointer* p);
91
92 [[noreturn]]
93 static void unsupported();
94 static zaddress load_barrier(narrowOop* p, zpointer o) { unsupported(); return zaddress::null; }
95 static zaddress load_barrier_on_unknown_oop_ref(oop base, ptrdiff_t offset, narrowOop* p, zpointer o) { unsupported(); return zaddress::null; }
96 static void store_barrier_heap_with_healing(narrowOop* p) { unsupported(); }
97 static void store_barrier_heap_without_healing(narrowOop* p) { unsupported(); }
98 static void no_keep_alive_store_barrier_heap(narrowOop* p) { unsupported(); }
99 static void store_barrier_native_with_healing(narrowOop* p) { unsupported(); }
100 static void store_barrier_native_without_healing(narrowOop* p) { unsupported(); }
101
102 static zaddress oop_copy_one_barriers(zpointer* dst, zpointer* src);
103 static OopCopyResult oop_copy_one_check_cast(zpointer* dst, zpointer* src, Klass* dst_klass);
104 static OopCopyResult oop_copy_one(zpointer* dst, zpointer* src);
105 static OopCopyResult oop_clear_one(zpointer* dst);
106
107 static OopCopyResult oop_arraycopy_in_heap_check_cast(zpointer* dst, zpointer* src, size_t length, Klass* dst_klass);
108 static OopCopyResult oop_arraycopy_in_heap_no_check_cast(zpointer* dst, zpointer* src, size_t length);
109
110 public:
111 //
112 // In heap
113 //
114 static oop oop_load_in_heap(zpointer* p);
115 static oop oop_load_in_heap(oop* p) { return oop_load_in_heap((zpointer*)p); };
116 static oop oop_load_in_heap(narrowOop* p) { unsupported(); return nullptr; }
117
118 static oop oop_load_in_heap_at(oop base, ptrdiff_t offset);
119
120 static void oop_store_in_heap(zpointer* p, oop value);
121 static void oop_store_in_heap(oop* p, oop value) { oop_store_in_heap((zpointer*)p, value); }
122 static void oop_store_in_heap(narrowOop* p, oop value) { unsupported(); }
123 static void oop_store_in_heap_at(oop base, ptrdiff_t offset, oop value);
124
125 static void oop_store_not_in_heap(zpointer* p, oop value);
136 static oop oop_atomic_xchg_in_heap(oop* p, oop new_value) { return oop_atomic_xchg_in_heap((zpointer*)p, new_value); }
137 static oop oop_atomic_xchg_in_heap(narrowOop* p, oop new_value) { unsupported(); return nullptr; }
138 static oop oop_atomic_xchg_in_heap_at(oop base, ptrdiff_t offset, oop new_value);
139
140 static OopCopyResult oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, zpointer* src_raw,
141 arrayOop dst_obj, size_t dst_offset_in_bytes, zpointer* dst_raw,
142 size_t length);
143 static OopCopyResult oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, oop* src_raw,
144 arrayOop dst_obj, size_t dst_offset_in_bytes, oop* dst_raw,
145 size_t length) {
146 return oop_arraycopy_in_heap(src_obj, src_offset_in_bytes, (zpointer*)src_raw,
147 dst_obj, dst_offset_in_bytes, (zpointer*)dst_raw,
148 length);
149 }
150 static OopCopyResult oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, narrowOop* src_raw,
151 arrayOop dst_obj, size_t dst_offset_in_bytes, narrowOop* dst_raw,
152 size_t length) { unsupported(); }
153
154 static void clone_in_heap(oop src, oop dst, size_t size);
155
156 static void value_copy_in_heap(const ValuePayload& src, const ValuePayload& dst);
157 static void value_store_null_in_heap(const ValuePayload& dst);
158
159 //
160 // Not in heap
161 //
162 static oop oop_load_not_in_heap(zpointer* p);
163 static oop oop_load_not_in_heap(oop* p);
164 static oop oop_load_not_in_heap(narrowOop* p) { unsupported(); return nullptr; }
165
166 static oop oop_atomic_cmpxchg_not_in_heap(zpointer* p, oop compare_value, oop new_value);
167 static oop oop_atomic_cmpxchg_not_in_heap(oop* p, oop compare_value, oop new_value) {
168 return oop_atomic_cmpxchg_not_in_heap((zpointer*)p, compare_value, new_value);
169 }
170 static oop oop_atomic_cmpxchg_not_in_heap(narrowOop* addr, oop compare_value, oop new_value) { unsupported(); return nullptr; }
171
172 static oop oop_atomic_xchg_not_in_heap(zpointer* p, oop new_value);
173 static oop oop_atomic_xchg_not_in_heap(oop* p, oop new_value) { return oop_atomic_xchg_not_in_heap((zpointer*)p, new_value); }
174 static oop oop_atomic_xchg_not_in_heap(narrowOop* p, oop new_value) { unsupported(); return nullptr; }
175 };
176 };
177
178 template<> struct BarrierSet::GetName<ZBarrierSet> {
|