Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/universe.cpp
src/share/vm/memory/universe.cpp
- changeset 2658
- c7f3d0b4570f
- parent 2657
- d673ef06fe96
- child 2969
- 6747fd0512e0
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| 2657:d673ef06fe96 | 2658:c7f3d0b4570f |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2011, 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. |
| 49 #include "oops/constantPoolKlass.hpp" | 49 #include "oops/constantPoolKlass.hpp" |
| 50 #include "oops/constantPoolOop.hpp" | 50 #include "oops/constantPoolOop.hpp" |
| 51 #include "oops/cpCacheKlass.hpp" | 51 #include "oops/cpCacheKlass.hpp" |
| 52 #include "oops/cpCacheOop.hpp" | 52 #include "oops/cpCacheOop.hpp" |
| 53 #include "oops/instanceKlass.hpp" | 53 #include "oops/instanceKlass.hpp" |
| 54 #include "oops/instanceMirrorKlass.hpp" | |
| 54 #include "oops/instanceKlassKlass.hpp" | 55 #include "oops/instanceKlassKlass.hpp" |
| 55 #include "oops/instanceRefKlass.hpp" | 56 #include "oops/instanceRefKlass.hpp" |
| 56 #include "oops/klassKlass.hpp" | 57 #include "oops/klassKlass.hpp" |
| 57 #include "oops/klassOop.hpp" | 58 #include "oops/klassOop.hpp" |
| 58 #include "oops/methodDataKlass.hpp" | 59 #include "oops/methodDataKlass.hpp" |
| 519 { klassKlass o; add_vtable(list, &n, &o, count); } | 520 { klassKlass o; add_vtable(list, &n, &o, count); } |
| 520 { arrayKlassKlass o; add_vtable(list, &n, &o, count); } | 521 { arrayKlassKlass o; add_vtable(list, &n, &o, count); } |
| 521 { objArrayKlassKlass o; add_vtable(list, &n, &o, count); } | 522 { objArrayKlassKlass o; add_vtable(list, &n, &o, count); } |
| 522 { instanceKlassKlass o; add_vtable(list, &n, &o, count); } | 523 { instanceKlassKlass o; add_vtable(list, &n, &o, count); } |
| 523 { instanceKlass o; add_vtable(list, &n, &o, count); } | 524 { instanceKlass o; add_vtable(list, &n, &o, count); } |
| 525 { instanceMirrorKlass o; add_vtable(list, &n, &o, count); } | |
| 524 { instanceRefKlass o; add_vtable(list, &n, &o, count); } | 526 { instanceRefKlass o; add_vtable(list, &n, &o, count); } |
| 525 { typeArrayKlassKlass o; add_vtable(list, &n, &o, count); } | 527 { typeArrayKlassKlass o; add_vtable(list, &n, &o, count); } |
| 526 { typeArrayKlass o; add_vtable(list, &n, &o, count); } | 528 { typeArrayKlass o; add_vtable(list, &n, &o, count); } |
| 527 { methodKlass o; add_vtable(list, &n, &o, count); } | 529 { methodKlass o; add_vtable(list, &n, &o, count); } |
| 528 { constMethodKlass o; add_vtable(list, &n, &o, count); } | 530 { constMethodKlass o; add_vtable(list, &n, &o, count); } |
| 545 if (obj->is_klass()) { | 547 if (obj->is_klass()) { |
| 546 EXCEPTION_MARK; | 548 EXCEPTION_MARK; |
| 547 KlassHandle k(THREAD, klassOop(obj)); | 549 KlassHandle k(THREAD, klassOop(obj)); |
| 548 // We will never reach the CATCH below since Exceptions::_throw will cause | 550 // We will never reach the CATCH below since Exceptions::_throw will cause |
| 549 // the VM to exit if an exception is thrown during initialization | 551 // the VM to exit if an exception is thrown during initialization |
| 550 java_lang_Class::create_mirror(k, CATCH); | 552 java_lang_Class::fixup_mirror(k, CATCH); |
| 551 // This call unconditionally creates a new mirror for k, | 553 // This call unconditionally creates a new mirror for k, |
| 552 // and links in k's component_mirror field if k is an array. | 554 // and links in k's component_mirror field if k is an array. |
| 553 // If k is an objArray, k's element type must already have | 555 // If k is an objArray, k's element type must already have |
| 554 // a mirror. In other words, this closure must process | 556 // a mirror. In other words, this closure must process |
| 555 // the component type of an objArray k before it processes k. | 557 // the component type of an objArray k before it processes k. |
| 603 // Bootstrap problem: all classes gets a mirror (java.lang.Class instance) assigned eagerly, | 605 // Bootstrap problem: all classes gets a mirror (java.lang.Class instance) assigned eagerly, |
| 604 // but we cannot do that for classes created before java.lang.Class is loaded. Here we simply | 606 // but we cannot do that for classes created before java.lang.Class is loaded. Here we simply |
| 605 // walk over permanent objects created so far (mostly classes) and fixup their mirrors. Note | 607 // walk over permanent objects created so far (mostly classes) and fixup their mirrors. Note |
| 606 // that the number of objects allocated at this point is very small. | 608 // that the number of objects allocated at this point is very small. |
| 607 assert(SystemDictionary::Class_klass_loaded(), "java.lang.Class should be loaded"); | 609 assert(SystemDictionary::Class_klass_loaded(), "java.lang.Class should be loaded"); |
| 610 | |
| 611 // Cache the start of the static fields | |
| 612 instanceMirrorKlass::init_offset_of_static_fields(); | |
| 613 | |
| 608 FixupMirrorClosure blk; | 614 FixupMirrorClosure blk; |
| 609 Universe::heap()->permanent_object_iterate(&blk); | 615 Universe::heap()->permanent_object_iterate(&blk); |
| 610 } | 616 } |
| 611 | 617 |
| 612 | 618 |
