1 /*
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2016 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
55 // guaranteed by jlong table element type.
56 #define TROT_COLUMN_SIZE (256*sizeof(jchar)/sizeof(jlong))
57
58 class zarch {
59 friend class StubGenerator;
60
61 public:
62 enum { nof_instance_allocators = 10 };
63
64 // allocator lock values
65 enum {
66 unlocked = 0,
67 locked = 1
68 };
69
70 private:
71 static int _atomic_memory_operation_lock;
72
73 static address _partial_subtype_check;
74 static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE];
75
76 // Comapct string intrinsics: Translate table for string inflate intrinsic. Used by trot instruction.
77 static address _trot_table_addr;
78 static jlong _trot_table[TROT_COLUMN_SIZE];
79
80 public:
81 // Global lock for everyone who needs to use atomic_compare_and_exchange
82 // or atomic_increment -- should probably use more locks for more
83 // scalability -- for instance one for each eden space or group of.
84
85 // Address of the lock for atomic_compare_and_exchange.
86 static int* atomic_memory_operation_lock_addr() { return &_atomic_memory_operation_lock; }
87
88 // Accessor and mutator for _atomic_memory_operation_lock.
89 static int atomic_memory_operation_lock() { return _atomic_memory_operation_lock; }
90 static void set_atomic_memory_operation_lock(int value) { _atomic_memory_operation_lock = value; }
91
92 static address partial_subtype_check() { return _partial_subtype_check; }
93
94 static void generate_load_crc_table_addr(MacroAssembler* masm, Register table);
95
96 // Comapct string intrinsics: Translate table for string inflate intrinsic. Used by trot instruction.
97 static void generate_load_trot_table_addr(MacroAssembler* masm, Register table);
98 };
99
100 #endif // CPU_S390_VM_STUBROUTINES_ZARCH_64_64_HPP
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1 /*
2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2016, 2017, SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
55 // guaranteed by jlong table element type.
56 #define TROT_COLUMN_SIZE (256*sizeof(jchar)/sizeof(jlong))
57
58 class zarch {
59 friend class StubGenerator;
60
61 public:
62 enum { nof_instance_allocators = 10 };
63
64 // allocator lock values
65 enum {
66 unlocked = 0,
67 locked = 1
68 };
69
70 private:
71 static int _atomic_memory_operation_lock;
72
73 static address _partial_subtype_check;
74 static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE];
75 static juint _crc32c_table[CRC32_TABLES][CRC32_COLUMN_SIZE];
76
77 // Comapct string intrinsics: Translate table for string inflate intrinsic. Used by trot instruction.
78 static address _trot_table_addr;
79 static jlong _trot_table[TROT_COLUMN_SIZE];
80
81 public:
82 // Global lock for everyone who needs to use atomic_compare_and_exchange
83 // or atomic_increment -- should probably use more locks for more
84 // scalability -- for instance one for each eden space or group of.
85
86 // Address of the lock for atomic_compare_and_exchange.
87 static int* atomic_memory_operation_lock_addr() { return &_atomic_memory_operation_lock; }
88
89 // Accessor and mutator for _atomic_memory_operation_lock.
90 static int atomic_memory_operation_lock() { return _atomic_memory_operation_lock; }
91 static void set_atomic_memory_operation_lock(int value) { _atomic_memory_operation_lock = value; }
92
93 static address partial_subtype_check() { return _partial_subtype_check; }
94
95 static void generate_load_absolute_address(MacroAssembler* masm, Register table, address table_addr, uint64_t table_contents);
96 static void generate_load_crc_table_addr(MacroAssembler* masm, Register table);
97 static void generate_load_crc32c_table_addr(MacroAssembler* masm, Register table);
98
99 // Comapct string intrinsics: Translate table for string inflate intrinsic. Used by trot instruction.
100 static void generate_load_trot_table_addr(MacroAssembler* masm, Register table);
101 };
102
103 #endif // CPU_S390_VM_STUBROUTINES_ZARCH_64_64_HPP
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