Mercurial > hg > graal-compiler

comparison src/share/vm/oops/oop.cpp @ 6725:da91efe96a93

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents b632e80fc9dc
children f34d701e952e
comparison
equal deleted inserted replaced
6724:36d1d483d5d6 6725:da91efe96a93
21 * questions. 21 * questions.
22 * 22 *
23 */ 23 */
24 24
25 #include "precompiled.hpp" 25 #include "precompiled.hpp"
26 #include "classfile/altHashing.hpp"
26 #include "classfile/javaClasses.hpp" 27 #include "classfile/javaClasses.hpp"
27 #include "oops/oop.inline.hpp" 28 #include "oops/oop.inline.hpp"
28 #include "runtime/handles.inline.hpp" 29 #include "runtime/handles.inline.hpp"
29 #include "utilities/copy.hpp" 30 #include "utilities/copy.hpp"
30 #ifdef TARGET_OS_FAMILY_linux 31 #ifdef TARGET_OS_FAMILY_linux
46 47
47 void oopDesc::print_on(outputStream* st) const { 48 void oopDesc::print_on(outputStream* st) const {
48 if (this == NULL) { 49 if (this == NULL) {
49 st->print_cr("NULL"); 50 st->print_cr("NULL");
50 } else { 51 } else {
51 blueprint()->oop_print_on(oop(this), st); 52 klass()->oop_print_on(oop(this), st);
52 } 53 }
53 } 54 }
54 55
55 void oopDesc::print_address_on(outputStream* st) const { 56 void oopDesc::print_address_on(outputStream* st) const {
56 if (PrintOopAddress) { 57 if (PrintOopAddress) {
84 if (this == NULL) { 85 if (this == NULL) {
85 st->print("NULL"); 86 st->print("NULL");
86 } else if (java_lang_String::is_instance(obj)) { 87 } else if (java_lang_String::is_instance(obj)) {
87 java_lang_String::print(obj, st); 88 java_lang_String::print(obj, st);
88 if (PrintOopAddress) print_address_on(st); 89 if (PrintOopAddress) print_address_on(st);
89 #ifdef ASSERT
90 } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) {
91 st->print("### BAD OOP %p ###", (address)obj);
92 #endif //ASSERT
93 } else { 90 } else {
94 blueprint()->oop_print_value_on(obj, st); 91 klass()->oop_print_value_on(obj, st);
95 } 92 }
96 } 93 }
97 94
98 95
99 void oopDesc::verify_on(outputStream* st) { 96 void oopDesc::verify_on(outputStream* st) {
100 if (this != NULL) { 97 if (this != NULL) {
101 blueprint()->oop_verify_on(this, st); 98 klass()->oop_verify_on(this, st);
102 } 99 }
103 } 100 }
104 101
105 102
106 void oopDesc::verify() { 103 void oopDesc::verify() {
107 verify_on(tty); 104 verify_on(tty);
108 } 105 }
109 106
110 bool oopDesc::partially_loaded() {
111 return blueprint()->oop_partially_loaded(this);
112 }
113
114
115 void oopDesc::set_partially_loaded() {
116 blueprint()->oop_set_partially_loaded(this);
117 }
118
119
120 intptr_t oopDesc::slow_identity_hash() { 107 intptr_t oopDesc::slow_identity_hash() {
121 // slow case; we have to acquire the micro lock in order to locate the header 108 // slow case; we have to acquire the micro lock in order to locate the header
122 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY 109 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY
123 HandleMark hm; 110 HandleMark hm;
124 Handle object((oop)this); 111 Handle object(this);
125 assert(!is_shared_readonly(), "using identity hash on readonly object?");
126 return ObjectSynchronizer::identity_hash_value_for(object); 112 return ObjectSynchronizer::identity_hash_value_for(object);
113 }
114
115 // When String table needs to rehash
116 unsigned int oopDesc::new_hash(jint seed) {
117 ResourceMark rm;
118 int length;
119 jchar* chars = java_lang_String::as_unicode_string(this, length);
120 // Use alternate hashing algorithm on the string
121 return AltHashing::murmur3_32(seed, chars, length);
127 } 122 }
128 123
129 VerifyOopClosure VerifyOopClosure::verify_oop; 124 VerifyOopClosure VerifyOopClosure::verify_oop;
130 125
131 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); } 126 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); }