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comparison src/share/vm/runtime/javaCalls.hpp @ 1930:2d26b0046e0d

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Merge.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Tue, 30 Nov 2010 14:53:30 +0100
parents 6223633ce7dd c18cbe5936b8
children 06f017f7daa7
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1484:6b7001391c97 1930:2d26b0046e0d
1 /* 1 /*
2 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
14 * 14 *
15 * You should have received a copy of the GNU General Public License version 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, 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. 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 * 18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * CA 95054 USA or visit www.sun.com if you need additional information or 20 * or visit www.oracle.com if you need additional information or have any
21 * have any questions. 21 * questions.
22 * 22 *
23 */ 23 */
24 24
25 // A JavaCallWrapper is constructed before each JavaCall and destructed after the call. 25 // A JavaCallWrapper is constructed before each JavaCall and destructed after the call.
26 // Its purpose is to allocate/deallocate a new handle block and to save/restore the last 26 // Its purpose is to allocate/deallocate a new handle block and to save/restore the last
64 enum Constants { 64 enum Constants {
65 _default_size = 8 // Must be at least # of arguments in JavaCalls methods 65 _default_size = 8 // Must be at least # of arguments in JavaCalls methods
66 }; 66 };
67 67
68 intptr_t _value_buffer [_default_size + 1]; 68 intptr_t _value_buffer [_default_size + 1];
69 intptr_t _parameter_buffer [_default_size*2 + 1];
70 bool _is_oop_buffer[_default_size + 1]; 69 bool _is_oop_buffer[_default_size + 1];
71 70
72 intptr_t* _value; 71 intptr_t* _value;
73 intptr_t* _parameters;
74 bool* _is_oop; 72 bool* _is_oop;
75 int _size; 73 int _size;
76 int _max_size; 74 int _max_size;
77 bool _start_at_zero; // Support late setting of receiver 75 bool _start_at_zero; // Support late setting of receiver
78 76
79 void initialize() { 77 void initialize() {
80 // Starts at first element to support set_receiver. 78 // Starts at first element to support set_receiver.
81 _value = &_value_buffer[1]; 79 _value = &_value_buffer[1];
82 _is_oop = &_is_oop_buffer[1]; 80 _is_oop = &_is_oop_buffer[1];
83 81
84 _parameters = &_parameter_buffer[0];
85 _max_size = _default_size; 82 _max_size = _default_size;
86 _size = 0; 83 _size = 0;
87 _start_at_zero = false; 84 _start_at_zero = false;
88 } 85 }
89 86
97 94
98 JavaCallArguments(int max_size) { 95 JavaCallArguments(int max_size) {
99 if (max_size > _default_size) { 96 if (max_size > _default_size) {
100 _value = NEW_RESOURCE_ARRAY(intptr_t, max_size + 1); 97 _value = NEW_RESOURCE_ARRAY(intptr_t, max_size + 1);
101 _is_oop = NEW_RESOURCE_ARRAY(bool, max_size + 1); 98 _is_oop = NEW_RESOURCE_ARRAY(bool, max_size + 1);
102 if (TaggedStackInterpreter) { 99
103 _parameters = NEW_RESOURCE_ARRAY(intptr_t, max_size*2 + 1);
104 }
105 // Reserve room for potential receiver in value and is_oop 100 // Reserve room for potential receiver in value and is_oop
106 _value++; _is_oop++; 101 _value++; _is_oop++;
102
107 _max_size = max_size; 103 _max_size = max_size;
108 _size = 0; 104 _size = 0;
109 _start_at_zero = false; 105 _start_at_zero = false;
110 } else { 106 } else {
111 initialize(); 107 initialize();