Mercurial > hg > truffle
annotate src/share/vm/oops/oop.cpp @ 113:ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
| author | coleenp |
|---|---|
| date | Sun, 13 Apr 2008 17:43:42 -0400 |
| parents | a61af66fc99e |
| children | d1605aabd0a1 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * Copyright 1997-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_oop.cpp.incl" | |
| 27 | |
| 28 bool always_do_update_barrier = false; | |
| 29 | |
| 30 BarrierSet* oopDesc::_bs = NULL; | |
| 31 | |
| 32 #ifdef PRODUCT | |
| 33 void oopDesc::print_on(outputStream* st) const {} | |
| 34 void oopDesc::print_value_on(outputStream* st) const {} | |
| 35 void oopDesc::print_address_on(outputStream* st) const {} | |
| 36 char* oopDesc::print_value_string() { return NULL; } | |
| 37 char* oopDesc::print_string() { return NULL; } | |
| 38 void oopDesc::print() {} | |
| 39 void oopDesc::print_value() {} | |
| 40 void oopDesc::print_address() {} | |
| 41 #else | |
| 42 void oopDesc::print_on(outputStream* st) const { | |
| 43 if (this == NULL) { | |
| 44 st->print_cr("NULL"); | |
| 45 } else { | |
| 46 blueprint()->oop_print_on(oop(this), st); | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 void oopDesc::print_value_on(outputStream* st) const { | |
| 51 oop obj = oop(this); | |
| 52 if (this == NULL) { | |
| 53 st->print("NULL"); | |
| 54 } else if (java_lang_String::is_instance(obj)) { | |
| 55 java_lang_String::print(obj, st); | |
| 56 if (PrintOopAddress) print_address_on(st); | |
| 57 #ifdef ASSERT | |
| 58 } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) { | |
| 59 st->print("### BAD OOP %p ###", (address)obj); | |
| 60 #endif | |
| 61 } else { | |
| 62 blueprint()->oop_print_value_on(obj, st); | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 void oopDesc::print_address_on(outputStream* st) const { | |
| 67 if (PrintOopAddress) { | |
| 68 st->print("{"); | |
| 69 if (PrintOopAddress) { | |
| 70 st->print(INTPTR_FORMAT, this); | |
| 71 } | |
| 72 st->print("}"); | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 void oopDesc::print() { print_on(tty); } | |
| 77 | |
| 78 void oopDesc::print_value() { print_value_on(tty); } | |
| 79 | |
| 80 void oopDesc::print_address() { print_address_on(tty); } | |
| 81 | |
| 82 char* oopDesc::print_string() { | |
| 83 stringStream* st = new stringStream(); | |
| 84 print_on(st); | |
| 85 return st->as_string(); | |
| 86 } | |
| 87 | |
| 88 char* oopDesc::print_value_string() { | |
| 89 stringStream* st = new stringStream(); | |
| 90 print_value_on(st); | |
| 91 return st->as_string(); | |
| 92 } | |
| 93 | |
| 94 #endif // PRODUCT | |
| 95 | |
| 96 void oopDesc::verify_on(outputStream* st) { | |
| 97 if (this != NULL) { | |
| 98 blueprint()->oop_verify_on(this, st); | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 | |
| 103 void oopDesc::verify() { | |
| 104 verify_on(tty); | |
| 105 } | |
| 106 | |
| 107 | |
|
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ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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108 // XXX verify_old_oop doesn't do anything (should we remove?) |
| 0 | 109 void oopDesc::verify_old_oop(oop* p, bool allow_dirty) { |
| 110 blueprint()->oop_verify_old_oop(this, p, allow_dirty); | |
| 111 } | |
| 112 | |
|
113
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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113 void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) { |
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
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changeset
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114 blueprint()->oop_verify_old_oop(this, p, allow_dirty); |
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ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
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115 } |
| 0 | 116 |
| 117 bool oopDesc::partially_loaded() { | |
| 118 return blueprint()->oop_partially_loaded(this); | |
| 119 } | |
| 120 | |
| 121 | |
| 122 void oopDesc::set_partially_loaded() { | |
| 123 blueprint()->oop_set_partially_loaded(this); | |
| 124 } | |
| 125 | |
| 126 | |
| 127 intptr_t oopDesc::slow_identity_hash() { | |
| 128 // slow case; we have to acquire the micro lock in order to locate the header | |
| 129 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY | |
| 130 HandleMark hm; | |
| 131 Handle object((oop)this); | |
| 132 assert(!is_shared_readonly(), "using identity hash on readonly object?"); | |
| 133 return ObjectSynchronizer::identity_hash_value_for(object); | |
| 134 } | |
| 135 | |
| 136 VerifyOopClosure VerifyOopClosure::verify_oop; | |
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ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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137 |
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ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
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138 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); } |
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ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
139 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); } |