1 /*
2 * Copyright (c) 1998, 2006, 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 "incls/_precompiled.incl"
26 # include "incls/_compiledICHolderKlass.cpp.incl"
27
28 klassOop compiledICHolderKlass::create_klass(TRAPS) {
29 compiledICHolderKlass o;
30 KlassHandle h_this_klass(THREAD, Universe::klassKlassObj());
31 KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL);
32 // Make sure size calculation is right
33 assert(k()->size() == align_object_size(header_size()), "wrong size for object");
34 java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror
35 return k();
36 }
37
38
39 compiledICHolderOop compiledICHolderKlass::allocate(TRAPS) {
40 KlassHandle h_k(THREAD, as_klassOop());
41 int size = compiledICHolderOopDesc::object_size();
42 compiledICHolderOop c = (compiledICHolderOop)
43 CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL);
44 c->set_holder_method(NULL);
45 c->set_holder_klass(NULL);
46 return c;
47 }
48
49
50 int compiledICHolderKlass::oop_size(oop obj) const {
51 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
52 return compiledICHolderOop(obj)->object_size();
53 }
54
55 void compiledICHolderKlass::oop_follow_contents(oop obj) {
56 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
57 compiledICHolderOop c = compiledICHolderOop(obj);
58
59 obj->follow_header();
60 MarkSweep::mark_and_push(c->adr_holder_method());
61 MarkSweep::mark_and_push(c->adr_holder_klass());
62 }
63
64 #ifndef SERIALGC
65 void compiledICHolderKlass::oop_follow_contents(ParCompactionManager* cm,
66 oop obj) {
67 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
68 compiledICHolderOop c = compiledICHolderOop(obj);
69
70 obj->follow_header(cm);
71 PSParallelCompact::mark_and_push(cm, c->adr_holder_method());
72 PSParallelCompact::mark_and_push(cm, c->adr_holder_klass());
73 }
74 #endif // SERIALGC
75
76
77 int compiledICHolderKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
78 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
79 compiledICHolderOop c = compiledICHolderOop(obj);
80 // Get size before changing pointers.
81 // Don't call size() or oop_size() since that is a virtual call.
82 int size = c->object_size();
83
84 obj->oop_iterate_header(blk);
85 blk->do_oop(c->adr_holder_method());
86 blk->do_oop(c->adr_holder_klass());
87 return size;
88 }
89
90 int compiledICHolderKlass::oop_oop_iterate_m(oop obj, OopClosure* blk,
91 MemRegion mr) {
92 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
93 compiledICHolderOop c = compiledICHolderOop(obj);
94 // Get size before changing pointers.
95 // Don't call size() or oop_size() since that is a virtual call.
96 int size = c->object_size();
97
98 obj->oop_iterate_header(blk, mr);
99
100 oop* adr;
101 adr = c->adr_holder_method();
102 if (mr.contains(adr)) blk->do_oop(adr);
103 adr = c->adr_holder_klass();
104 if (mr.contains(adr)) blk->do_oop(adr);
105 return size;
106 }
107
108
109 int compiledICHolderKlass::oop_adjust_pointers(oop obj) {
110 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
111 compiledICHolderOop c = compiledICHolderOop(obj);
112 // Get size before changing pointers.
113 // Don't call size() or oop_size() since that is a virtual call.
114 int size = c->object_size();
115
116 MarkSweep::adjust_pointer(c->adr_holder_method());
117 MarkSweep::adjust_pointer(c->adr_holder_klass());
118 obj->adjust_header();
119 return size;
120 }
121
122 #ifndef SERIALGC
123 void compiledICHolderKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
124 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
125 }
126
127 int compiledICHolderKlass::oop_update_pointers(ParCompactionManager* cm,
128 oop obj) {
129 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
130 compiledICHolderOop c = compiledICHolderOop(obj);
131
132 PSParallelCompact::adjust_pointer(c->adr_holder_method());
133 PSParallelCompact::adjust_pointer(c->adr_holder_klass());
134 return c->object_size();
135 }
136
137 int compiledICHolderKlass::oop_update_pointers(ParCompactionManager* cm,
138 oop obj,
139 HeapWord* beg_addr,
140 HeapWord* end_addr) {
141 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
142 compiledICHolderOop c = compiledICHolderOop(obj);
143
144 oop* p;
145 p = c->adr_holder_method();
146 PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
147 p = c->adr_holder_klass();
148 PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
149 return c->object_size();
150 }
151 #endif // SERIALGC
152
153 // Printing
154
155 void compiledICHolderKlass::oop_print_on(oop obj, outputStream* st) {
156 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
157 Klass::oop_print_on(obj, st);
158 compiledICHolderOop c = compiledICHolderOop(obj);
159 st->print(" - method: "); c->holder_method()->print_value_on(st); st->cr();
160 st->print(" - klass: "); c->holder_klass()->print_value_on(st); st->cr();
161 }
162
163 void compiledICHolderKlass::oop_print_value_on(oop obj, outputStream* st) {
164 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
165 Klass::oop_print_value_on(obj, st);
166 }
167
168 const char* compiledICHolderKlass::internal_name() const {
169 return "{compiledICHolder}";
170 }
171
172 // Verification
173
174 void compiledICHolderKlass::oop_verify_on(oop obj, outputStream* st) {
175 Klass::oop_verify_on(obj, st);
176 guarantee(obj->is_compiledICHolder(), "must be compiledICHolder");
177 compiledICHolderOop c = compiledICHolderOop(obj);
178 guarantee(c->is_perm(), "should be in permspace");
179 guarantee(c->holder_method()->is_perm(), "should be in permspace");
180 guarantee(c->holder_method()->is_method(), "should be method");
181 guarantee(c->holder_klass()->is_perm(), "should be in permspace");
182 guarantee(c->holder_klass()->is_klass(), "should be klass");
183 }