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1 /*
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2 * Copyright 1998-2006 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 # include "incls/_precompiled.incl"
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26 # include "incls/_compiledICHolderKlass.cpp.incl"
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27
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28 klassOop compiledICHolderKlass::create_klass(TRAPS) {
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29 compiledICHolderKlass o;
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30 KlassHandle h_this_klass(THREAD, Universe::klassKlassObj());
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31 KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL);
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32 // Make sure size calculation is right
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33 assert(k()->size() == align_object_size(header_size()), "wrong size for object");
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34 java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror
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35 return k();
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36 }
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37
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38
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39 compiledICHolderOop compiledICHolderKlass::allocate(TRAPS) {
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40 KlassHandle h_k(THREAD, as_klassOop());
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41 int size = compiledICHolderOopDesc::object_size();
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42 compiledICHolderOop c = (compiledICHolderOop)
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43 CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL);
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44 c->set_holder_method(NULL);
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45 c->set_holder_klass(NULL);
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46 return c;
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47 }
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48
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49
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50 int compiledICHolderKlass::oop_size(oop obj) const {
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51 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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52 return compiledICHolderOop(obj)->object_size();
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53 }
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54
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55 void compiledICHolderKlass::oop_follow_contents(oop obj) {
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56 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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57 compiledICHolderOop c = compiledICHolderOop(obj);
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58
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59 obj->follow_header();
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60 MarkSweep::mark_and_push(c->adr_holder_method());
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61 MarkSweep::mark_and_push(c->adr_holder_klass());
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62 }
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63
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64 #ifndef SERIALGC
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65 void compiledICHolderKlass::oop_follow_contents(ParCompactionManager* cm,
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66 oop obj) {
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67 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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68 compiledICHolderOop c = compiledICHolderOop(obj);
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69
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70 obj->follow_header(cm);
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71 PSParallelCompact::mark_and_push(cm, c->adr_holder_method());
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72 PSParallelCompact::mark_and_push(cm, c->adr_holder_klass());
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73 }
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74 #endif // SERIALGC
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75
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76
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77 int compiledICHolderKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
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78 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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79 compiledICHolderOop c = compiledICHolderOop(obj);
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80 // Get size before changing pointers.
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81 // Don't call size() or oop_size() since that is a virtual call.
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82 int size = c->object_size();
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83
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84 obj->oop_iterate_header(blk);
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85 blk->do_oop(c->adr_holder_method());
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86 blk->do_oop(c->adr_holder_klass());
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87 return size;
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88 }
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89
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90 int compiledICHolderKlass::oop_oop_iterate_m(oop obj, OopClosure* blk,
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91 MemRegion mr) {
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92 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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93 compiledICHolderOop c = compiledICHolderOop(obj);
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94 // Get size before changing pointers.
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95 // Don't call size() or oop_size() since that is a virtual call.
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96 int size = c->object_size();
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97
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98 obj->oop_iterate_header(blk, mr);
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99
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100 oop* adr;
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101 adr = c->adr_holder_method();
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102 if (mr.contains(adr)) blk->do_oop(adr);
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103 adr = c->adr_holder_klass();
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104 if (mr.contains(adr)) blk->do_oop(adr);
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105 return size;
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106 }
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107
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108
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109 int compiledICHolderKlass::oop_adjust_pointers(oop obj) {
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110 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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111 compiledICHolderOop c = compiledICHolderOop(obj);
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112 // Get size before changing pointers.
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113 // Don't call size() or oop_size() since that is a virtual call.
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114 int size = c->object_size();
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115
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116 MarkSweep::adjust_pointer(c->adr_holder_method());
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117 MarkSweep::adjust_pointer(c->adr_holder_klass());
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118 obj->adjust_header();
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119 return size;
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120 }
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121
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122 #ifndef SERIALGC
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123 void compiledICHolderKlass::oop_copy_contents(PSPromotionManager* pm, oop obj) {
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124 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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125 }
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126
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127 void compiledICHolderKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
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128 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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129 }
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130
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131 int compiledICHolderKlass::oop_update_pointers(ParCompactionManager* cm,
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132 oop obj) {
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133 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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134 compiledICHolderOop c = compiledICHolderOop(obj);
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135
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136 PSParallelCompact::adjust_pointer(c->adr_holder_method());
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137 PSParallelCompact::adjust_pointer(c->adr_holder_klass());
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138 return c->object_size();
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139 }
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140
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141 int compiledICHolderKlass::oop_update_pointers(ParCompactionManager* cm,
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142 oop obj,
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143 HeapWord* beg_addr,
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144 HeapWord* end_addr) {
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145 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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146 compiledICHolderOop c = compiledICHolderOop(obj);
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147
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148 oop* p;
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149 p = c->adr_holder_method();
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150 PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
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151 p = c->adr_holder_klass();
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152 PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
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153 return c->object_size();
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154 }
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155 #endif // SERIALGC
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156
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157 #ifndef PRODUCT
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158
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159 // Printing
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160
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161 void compiledICHolderKlass::oop_print_on(oop obj, outputStream* st) {
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162 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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163 Klass::oop_print_on(obj, st);
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164 compiledICHolderOop c = compiledICHolderOop(obj);
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165 st->print(" - method: "); c->holder_method()->print_value_on(st); st->cr();
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166 st->print(" - klass: "); c->holder_klass()->print_value_on(st); st->cr();
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167 }
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168
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169
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170 void compiledICHolderKlass::oop_print_value_on(oop obj, outputStream* st) {
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171 assert(obj->is_compiledICHolder(), "must be compiledICHolder");
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172 Klass::oop_print_value_on(obj, st);
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173 }
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174 #endif
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175
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176 const char* compiledICHolderKlass::internal_name() const {
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177 return "{compiledICHolder}";
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178 }
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179
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180 // Verification
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181
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182 void compiledICHolderKlass::oop_verify_on(oop obj, outputStream* st) {
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183 Klass::oop_verify_on(obj, st);
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184 guarantee(obj->is_compiledICHolder(), "must be compiledICHolder");
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185 compiledICHolderOop c = compiledICHolderOop(obj);
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186 guarantee(c->is_perm(), "should be in permspace");
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187 guarantee(c->holder_method()->is_perm(), "should be in permspace");
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188 guarantee(c->holder_method()->is_method(), "should be method");
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189 guarantee(c->holder_klass()->is_perm(), "should be in permspace");
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190 guarantee(c->holder_klass()->is_klass(), "should be klass");
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191 }
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