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comparison src/share/vm/memory/oopFactory.hpp @ 6725:da91efe96a93

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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 8150fa46d2ed
children d8ce2825b193
comparison
equal deleted inserted replaced
6724:36d1d483d5d6 6725:da91efe96a93
26 #define SHARE_VM_MEMORY_OOPFACTORY_HPP 26 #define SHARE_VM_MEMORY_OOPFACTORY_HPP
27 27
28 #include "classfile/symbolTable.hpp" 28 #include "classfile/symbolTable.hpp"
29 #include "classfile/systemDictionary.hpp" 29 #include "classfile/systemDictionary.hpp"
30 #include "memory/universe.hpp" 30 #include "memory/universe.hpp"
31 #include "oops/klassOop.hpp"
32 #include "oops/objArrayKlass.hpp" 31 #include "oops/objArrayKlass.hpp"
33 #include "oops/oop.hpp" 32 #include "oops/oop.hpp"
34 #include "oops/typeArrayKlass.hpp" 33 #include "oops/typeArrayKlass.hpp"
35 #include "utilities/growableArray.hpp" 34 #include "utilities/growableArray.hpp"
36 35
50 static typeArrayOop new_intArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::intArrayKlassObj ())->allocate(length, CHECK_NULL); } 49 static typeArrayOop new_intArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::intArrayKlassObj ())->allocate(length, CHECK_NULL); }
51 static typeArrayOop new_longArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::longArrayKlassObj ())->allocate(length, CHECK_NULL); } 50 static typeArrayOop new_longArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::longArrayKlassObj ())->allocate(length, CHECK_NULL); }
52 51
53 // create java.lang.Object[] 52 // create java.lang.Object[]
54 static objArrayOop new_objectArray(int length, TRAPS) { 53 static objArrayOop new_objectArray(int length, TRAPS) {
54 assert(Universe::objectArrayKlassObj() != NULL, "Too early?");
55 return objArrayKlass:: 55 return objArrayKlass::
56 cast(Universe::objectArrayKlassObj())->allocate(length, CHECK_NULL); 56 cast(Universe::objectArrayKlassObj())->allocate(length, CHECK_NULL);
57 } 57 }
58 58
59 static typeArrayOop new_charArray (const char* utf8_str, TRAPS); 59 static typeArrayOop new_charArray (const char* utf8_str, TRAPS);
60 static typeArrayOop new_permanent_charArray (int length, TRAPS); 60 static typeArrayOop new_tenured_charArray(int length, TRAPS);
61 static typeArrayOop new_permanent_byteArray (int length, TRAPS); // used for class file structures
62 static typeArrayOop new_permanent_shortArray(int length, TRAPS); // used for class file structures
63 static typeArrayOop new_permanent_intArray (int length, TRAPS); // used for class file structures
64 61
65 static typeArrayOop new_typeArray(BasicType type, int length, TRAPS); 62 static typeArrayOop new_typeArray(BasicType type, int length, TRAPS);
66 static typeArrayOop new_typeArray_nozero(BasicType type, int length, TRAPS); 63 static typeArrayOop new_typeArray_nozero(BasicType type, int length, TRAPS);
67 64 static typeArrayOop new_metaDataArray(int length, TRAPS);
68 // Constant pools
69 static constantPoolOop new_constantPool (int length,
70 bool is_conc_safe,
71 TRAPS);
72 static constantPoolCacheOop new_constantPoolCache(int length,
73 TRAPS);
74
75 // Instance classes
76 static klassOop new_instanceKlass(Symbol* name,
77 int vtable_len, int itable_len,
78 int static_field_size,
79 unsigned int nonstatic_oop_map_count,
80 AccessFlags access_flags,
81 ReferenceType rt,
82 KlassHandle host_klass, TRAPS);
83
84 // Methods
85 private:
86 static constMethodOop new_constMethod(int byte_code_size,
87 int compressed_line_number_size,
88 int localvariable_table_length,
89 int exception_table_length,
90 int checked_exceptions_length,
91 bool is_conc_safe,
92 TRAPS);
93 public:
94 // Set is_conc_safe for methods which cannot safely be
95 // processed by concurrent GC even after the return of
96 // the method.
97 static methodOop new_method(int byte_code_size,
98 AccessFlags access_flags,
99 int compressed_line_number_size,
100 int localvariable_table_length,
101 int exception_table_length,
102 int checked_exceptions_length,
103 bool is_conc_safe,
104 TRAPS);
105
106 // Method Data containers
107 static methodDataOop new_methodData(methodHandle method, TRAPS);
108
109 // System object arrays
110 static objArrayOop new_system_objArray(int length, TRAPS);
111 65
112 // Regular object arrays 66 // Regular object arrays
113 static objArrayOop new_objArray(klassOop klass, int length, TRAPS); 67 static objArrayOop new_objArray(Klass* klass, int length, TRAPS);
114
115 // For compiled ICs
116 static compiledICHolderOop new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS);
117 }; 68 };
118 69
119 #endif // SHARE_VM_MEMORY_OOPFACTORY_HPP 70 #endif // SHARE_VM_MEMORY_OOPFACTORY_HPP