oopFactory.hpp revision 579:0fbdb4381b99 
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24198090Srdivacky
25198090Srdivacky// oopFactory is a class used for creating new objects.
26198090Srdivacky
27198090Srdivackyclass vframeArray;
28198090Srdivacky
29198090Srdivackyclass oopFactory: AllStatic {
30201360Srdivacky public:
31  // Basic type leaf array allocation
32  static typeArrayOop    new_boolArray  (int length, TRAPS) { return typeArrayKlass::cast(Universe::boolArrayKlassObj  ())->allocate(length, CHECK_NULL); }
33  static typeArrayOop    new_charArray  (int length, TRAPS) { return typeArrayKlass::cast(Universe::charArrayKlassObj  ())->allocate(length, CHECK_NULL); }
34  static typeArrayOop    new_singleArray(int length, TRAPS) { return typeArrayKlass::cast(Universe::singleArrayKlassObj())->allocate(length, CHECK_NULL); }
35  static typeArrayOop    new_doubleArray(int length, TRAPS) { return typeArrayKlass::cast(Universe::doubleArrayKlassObj())->allocate(length, CHECK_NULL); }
36  static typeArrayOop    new_byteArray  (int length, TRAPS) { return typeArrayKlass::cast(Universe::byteArrayKlassObj  ())->allocate(length, CHECK_NULL); }
37  static typeArrayOop    new_shortArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::shortArrayKlassObj ())->allocate(length, CHECK_NULL); }
38  static typeArrayOop    new_intArray   (int length, TRAPS) { return typeArrayKlass::cast(Universe::intArrayKlassObj   ())->allocate(length, CHECK_NULL); }
39  static typeArrayOop    new_longArray  (int length, TRAPS) { return typeArrayKlass::cast(Universe::longArrayKlassObj  ())->allocate(length, CHECK_NULL); }
40
41  // create java.lang.Object[]
42  static objArrayOop     new_objectArray(int length, TRAPS)  {
43    return objArrayKlass::
44      cast(Universe::objectArrayKlassObj())->allocate(length, CHECK_NULL);
45  }
46
47  static typeArrayOop    new_charArray           (const char* utf8_str,  TRAPS);
48  static typeArrayOop    new_permanent_charArray (int length, TRAPS);
49  static typeArrayOop    new_permanent_byteArray (int length, TRAPS);  // used for class file structures
50  static typeArrayOop    new_permanent_shortArray(int length, TRAPS);  // used for class file structures
51  static typeArrayOop    new_permanent_intArray  (int length, TRAPS);  // used for class file structures
52
53  static typeArrayOop    new_typeArray(BasicType type, int length, TRAPS);
54
55  // Symbols
56  static symbolOop new_symbol(const char* utf8_buffer, int length, TRAPS) {
57    assert(utf8_buffer != NULL, "just checking");
58    return SymbolTable::lookup(utf8_buffer, length, CHECK_NULL);
59  }
60  static void new_symbols(constantPoolHandle cp, int names_count,
61                          const char** name, int* lengths,
62                          int* cp_indices, unsigned int* hashValues,
63                          TRAPS) {
64    SymbolTable::add(cp, names_count, name, lengths, cp_indices,
65                     hashValues, CHECK);
66  }
67
68  static symbolOop       new_symbol(char* name, TRAPS) { return new_symbol(name, (int)strlen(name), CHECK_NULL); }
69  static symbolOop       new_symbol(const char* name, TRAPS) { return new_symbol(name, (int)strlen(name), CHECK_NULL); }
70  static symbolOop       new_symbol(symbolHandle sym, int begin, int end, TRAPS) {
71    assert(begin <= end && end <= sym->utf8_length(), "just checking");
72    return SymbolTable::lookup(sym, begin, end, CHECK_NULL);
73  }
74
75  // Create symbols as above but return a handle
76  static symbolHandle    new_symbol_handle(const char* name, int length, TRAPS) {
77    symbolOop sym = new_symbol(name, length, THREAD);
78    return symbolHandle(THREAD, sym);
79  }
80  static symbolHandle    new_symbol_handle(char* name, TRAPS) { return new_symbol_handle(name, (int)strlen(name), CHECK_(symbolHandle())); }
81  static symbolHandle    new_symbol_handle(const char* name, TRAPS) { return new_symbol_handle(name, (int)strlen(name), CHECK_(symbolHandle())); }
82
83  // Constant pools
84  static constantPoolOop      new_constantPool     (int length,
85                                                    bool is_conc_safe,
86                                                    TRAPS);
87  static constantPoolCacheOop new_constantPoolCache(int length,
88                                                    bool is_conc_safe,
89                                                    TRAPS);
90
91  // Instance classes
92  static klassOop        new_instanceKlass(int vtable_len, int itable_len, int static_field_size,
93                                           int nonstatic_oop_map_size, ReferenceType rt, TRAPS);
94
95  // Methods
96private:
97  static constMethodOop  new_constMethod(int byte_code_size,
98                                         int compressed_line_number_size,
99                                         int localvariable_table_length,
100                                         int checked_exceptions_length,
101                                         bool is_conc_safe,
102                                         TRAPS);
103public:
104  // Set is_conc_safe for methods which cannot safely be
105  // processed by concurrent GC even after the return of
106  // the method.
107  static methodOop       new_method(int byte_code_size,
108                                    AccessFlags access_flags,
109                                    int compressed_line_number_size,
110                                    int localvariable_table_length,
111                                    int checked_exceptions_length,
112                                    bool is_conc_safe,
113                                    TRAPS);
114
115  // Method Data containers
116  static methodDataOop   new_methodData(methodHandle method, TRAPS);
117
118  // System object arrays
119  static objArrayOop     new_system_objArray(int length, TRAPS);
120
121  // Regular object arrays
122  static objArrayOop     new_objArray(klassOop klass, int length, TRAPS);
123
124  // For compiled ICs
125  static compiledICHolderOop new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS);
126};
127