1 /*
2 * Copyright (c) 1997, 2016, 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 #include "precompiled.hpp"
26 #include "runtime/os.hpp"
27 #include "utilities/globalDefinitions.hpp"
28
29 // Basic error support
30
31 // Info for oops within a java object. Defaults are zero so
32 // things will break badly if incorrectly initialized.
33 int heapOopSize = 0;
34 int LogBytesPerHeapOop = 0;
35 int LogBitsPerHeapOop = 0;
36 int BytesPerHeapOop = 0;
37 int BitsPerHeapOop = 0;
38
39 // Object alignment, in units of HeapWords.
40 // Defaults are -1 so things will break badly if incorrectly initialized.
41 int MinObjAlignment = -1;
42 int MinObjAlignmentInBytes = -1;
43 int MinObjAlignmentInBytesMask = 0;
44
45 int LogMinObjAlignment = -1;
46 int LogMinObjAlignmentInBytes = -1;
47
48 // Oop encoding heap max
49 uint64_t OopEncodingHeapMax = 0;
50
51 void basic_fatal(const char* msg) {
52 fatal("%s", msg);
53 }
54
55 // Something to help porters sleep at night
56
57 void basic_types_init() {
58 #ifdef ASSERT
59 #ifdef _LP64
60 assert(min_intx == (intx)CONST64(0x8000000000000000), "correct constant");
61 assert(max_intx == CONST64(0x7FFFFFFFFFFFFFFF), "correct constant");
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1 /*
2 * Copyright (c) 1997, 2017, 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 #include "precompiled.hpp"
26 #include "runtime/os.hpp"
27 #include "utilities/globalDefinitions.hpp"
28
29 // Basic error support
30
31 // Info for oops within a java object. Defaults are zero so
32 // things will break badly if incorrectly initialized.
33 int heapOopSize = 0;
34 int LogBytesPerHeapOop = 0;
35 int LogBitsPerHeapOop = 0;
36 int BytesPerHeapOop = 0;
37 int BitsPerHeapOop = 0;
38
39 // Object alignment, in units of HeapWords.
40 // Defaults are -1 so things will break badly if incorrectly initialized.
41 int MinObjAlignment = -1;
42 int MinObjAlignmentMask = 0;
43 int MinObjAlignmentInBytes = -1;
44 int MinObjAlignmentInBytesMask = 0;
45
46 int LogMinObjAlignment = -1;
47 int LogMinObjAlignmentInBytes = -1;
48
49 // Oop encoding heap max
50 uint64_t OopEncodingHeapMax = 0;
51
52 void basic_fatal(const char* msg) {
53 fatal("%s", msg);
54 }
55
56 // Something to help porters sleep at night
57
58 void basic_types_init() {
59 #ifdef ASSERT
60 #ifdef _LP64
61 assert(min_intx == (intx)CONST64(0x8000000000000000), "correct constant");
62 assert(max_intx == CONST64(0x7FFFFFFFFFFFFFFF), "correct constant");
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