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comparison src/share/vm/ci/ciInstanceKlass.cpp @ 1645:3941674cc7fa

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6958668: repeated uncommon trapping for new of klass which is being initialized Reviewed-by: kvn, jrose
author never
date Mon, 12 Jul 2010 10:58:25 -0700
parents b918d354830a
children 0e35fa8ebccd
comparison
equal deleted inserted replaced
1644:2a47bd84841f 1645:3941674cc7fa
1 /* 1 /*
2 * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1999, 2010, 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.
42 42
43 AccessFlags access_flags = ik->access_flags(); 43 AccessFlags access_flags = ik->access_flags();
44 _flags = ciFlags(access_flags); 44 _flags = ciFlags(access_flags);
45 _has_finalizer = access_flags.has_finalizer(); 45 _has_finalizer = access_flags.has_finalizer();
46 _has_subklass = ik->subklass() != NULL; 46 _has_subklass = ik->subklass() != NULL;
47 _is_initialized = ik->is_initialized(); 47 _init_state = (instanceKlass::ClassState)ik->get_init_state();
48 // Next line must follow and use the result of the previous line:
49 _is_linked = _is_initialized || ik->is_linked();
50 _nonstatic_field_size = ik->nonstatic_field_size(); 48 _nonstatic_field_size = ik->nonstatic_field_size();
51 _has_nonstatic_fields = ik->has_nonstatic_fields(); 49 _has_nonstatic_fields = ik->has_nonstatic_fields();
52 _nonstatic_fields = NULL; // initialized lazily by compute_nonstatic_fields: 50 _nonstatic_fields = NULL; // initialized lazily by compute_nonstatic_fields:
53 51
54 _nof_implementors = ik->nof_implementors(); 52 _nof_implementors = ik->nof_implementors();
89 ciInstanceKlass::ciInstanceKlass(ciSymbol* name, 87 ciInstanceKlass::ciInstanceKlass(ciSymbol* name,
90 jobject loader, jobject protection_domain) 88 jobject loader, jobject protection_domain)
91 : ciKlass(name, ciInstanceKlassKlass::make()) 89 : ciKlass(name, ciInstanceKlassKlass::make())
92 { 90 {
93 assert(name->byte_at(0) != '[', "not an instance klass"); 91 assert(name->byte_at(0) != '[', "not an instance klass");
94 _is_initialized = false; 92 _init_state = (instanceKlass::ClassState)0;
95 _is_linked = false;
96 _nonstatic_field_size = -1; 93 _nonstatic_field_size = -1;
97 _has_nonstatic_fields = false; 94 _has_nonstatic_fields = false;
98 _nonstatic_fields = NULL; 95 _nonstatic_fields = NULL;
99 _nof_implementors = -1; 96 _nof_implementors = -1;
100 _loader = loader; 97 _loader = loader;
107 104
108 105
109 106
110 // ------------------------------------------------------------------ 107 // ------------------------------------------------------------------
111 // ciInstanceKlass::compute_shared_is_initialized 108 // ciInstanceKlass::compute_shared_is_initialized
112 bool ciInstanceKlass::compute_shared_is_initialized() { 109 void ciInstanceKlass::compute_shared_init_state() {
113 GUARDED_VM_ENTRY( 110 GUARDED_VM_ENTRY(
114 instanceKlass* ik = get_instanceKlass(); 111 instanceKlass* ik = get_instanceKlass();
115 _is_initialized = ik->is_initialized(); 112 _init_state = (instanceKlass::ClassState)ik->get_init_state();
116 return _is_initialized;
117 )
118 }
119
120 // ------------------------------------------------------------------
121 // ciInstanceKlass::compute_shared_is_linked
122 bool ciInstanceKlass::compute_shared_is_linked() {
123 GUARDED_VM_ENTRY(
124 instanceKlass* ik = get_instanceKlass();
125 _is_linked = ik->is_linked();
126 return _is_linked;
127 ) 113 )
128 } 114 }
129 115
130 // ------------------------------------------------------------------ 116 // ------------------------------------------------------------------
131 // ciInstanceKlass::compute_shared_has_subklass 117 // ciInstanceKlass::compute_shared_has_subklass