Wed, 02 May 2012 13:21:36 -0400
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
Summary: Change the _host_klass to be conditionally created embedded instanceKlass field.
Reviewed-by: jrose, coleenp, dholmes
1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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13 * accompanied this code).
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25 #ifndef SHARE_VM_MEMORY_OOPFACTORY_HPP
26 #define SHARE_VM_MEMORY_OOPFACTORY_HPP
28 #include "classfile/symbolTable.hpp"
29 #include "classfile/systemDictionary.hpp"
30 #include "memory/universe.hpp"
31 #include "oops/klassOop.hpp"
32 #include "oops/objArrayKlass.hpp"
33 #include "oops/oop.hpp"
34 #include "oops/typeArrayKlass.hpp"
35 #include "utilities/growableArray.hpp"
37 // oopFactory is a class used for creating new objects.
39 class vframeArray;
41 class oopFactory: AllStatic {
42 public:
43 // Basic type leaf array allocation
44 static typeArrayOop new_boolArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::boolArrayKlassObj ())->allocate(length, CHECK_NULL); }
45 static typeArrayOop new_charArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::charArrayKlassObj ())->allocate(length, CHECK_NULL); }
46 static typeArrayOop new_singleArray(int length, TRAPS) { return typeArrayKlass::cast(Universe::singleArrayKlassObj())->allocate(length, CHECK_NULL); }
47 static typeArrayOop new_doubleArray(int length, TRAPS) { return typeArrayKlass::cast(Universe::doubleArrayKlassObj())->allocate(length, CHECK_NULL); }
48 static typeArrayOop new_byteArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::byteArrayKlassObj ())->allocate(length, CHECK_NULL); }
49 static typeArrayOop new_shortArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::shortArrayKlassObj ())->allocate(length, CHECK_NULL); }
50 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); }
53 // create java.lang.Object[]
54 static objArrayOop new_objectArray(int length, TRAPS) {
55 return objArrayKlass::
56 cast(Universe::objectArrayKlassObj())->allocate(length, CHECK_NULL);
57 }
59 static typeArrayOop new_charArray (const char* utf8_str, TRAPS);
60 static typeArrayOop new_permanent_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
65 static typeArrayOop new_typeArray(BasicType type, int length, TRAPS);
66 static typeArrayOop new_typeArray_nozero(BasicType type, 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);
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);
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 checked_exceptions_length,
90 bool is_conc_safe,
91 TRAPS);
92 public:
93 // Set is_conc_safe for methods which cannot safely be
94 // processed by concurrent GC even after the return of
95 // the method.
96 static methodOop new_method(int byte_code_size,
97 AccessFlags access_flags,
98 int compressed_line_number_size,
99 int localvariable_table_length,
100 int checked_exceptions_length,
101 bool is_conc_safe,
102 TRAPS);
104 // Method Data containers
105 static methodDataOop new_methodData(methodHandle method, TRAPS);
107 // System object arrays
108 static objArrayOop new_system_objArray(int length, TRAPS);
110 // Regular object arrays
111 static objArrayOop new_objArray(klassOop klass, int length, TRAPS);
113 // For compiled ICs
114 static compiledICHolderOop new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS);
115 };
117 #endif // SHARE_VM_MEMORY_OOPFACTORY_HPP