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comparison src/share/vm/runtime/fieldDescriptor.cpp @ 12264:b2e698d2276c

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8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation Summary: Enhance method resolution and resulting data structures, plus some refactoring. Reviewed-by: twisti, acorn, jrose
author drchase
date Fri, 13 Sep 2013 22:38:02 -0400
parents 927a311d00f9
children cefad50507d8
comparison
equal deleted inserted replaced
12261:2c98370f2611 12264:b2e698d2276c
95 95
96 oop fieldDescriptor::string_initial_value(TRAPS) const { 96 oop fieldDescriptor::string_initial_value(TRAPS) const {
97 return constants()->uncached_string_at(initial_value_index(), CHECK_0); 97 return constants()->uncached_string_at(initial_value_index(), CHECK_0);
98 } 98 }
99 99
100 void fieldDescriptor::initialize(InstanceKlass* ik, int index) { 100 void fieldDescriptor::reinitialize(InstanceKlass* ik, int index) {
101 _cp = ik->constants(); 101 if (_cp.is_null() || field_holder() != ik) {
102 _cp = constantPoolHandle(Thread::current(), ik->constants());
103 // _cp should now reference ik's constant pool; i.e., ik is now field_holder.
104 assert(field_holder() == ik, "must be already initialized to this class");
105 }
102 FieldInfo* f = ik->field(index); 106 FieldInfo* f = ik->field(index);
103 assert(!f->is_internal(), "regular Java fields only"); 107 assert(!f->is_internal(), "regular Java fields only");
104 108
105 _access_flags = accessFlags_from(f->access_flags()); 109 _access_flags = accessFlags_from(f->access_flags());
106 guarantee(f->name_index() != 0 && f->signature_index() != 0, "bad constant pool index for fieldDescriptor"); 110 guarantee(f->name_index() != 0 && f->signature_index() != 0, "bad constant pool index for fieldDescriptor");
107 _index = index; 111 _index = index;
112 verify();
108 } 113 }
109 114
110 #ifndef PRODUCT 115 #ifndef PRODUCT
116
117 void fieldDescriptor::verify() const {
118 if (_cp.is_null()) {
119 assert(_index == badInt, "constructor must be called"); // see constructor
120 } else {
121 assert(_index >= 0, "good index");
122 assert(_index < field_holder()->java_fields_count(), "oob");
123 }
124 }
111 125
112 void fieldDescriptor::print_on(outputStream* st) const { 126 void fieldDescriptor::print_on(outputStream* st) const {
113 access_flags().print_on(st); 127 access_flags().print_on(st);
114 name()->print_value_on(st); 128 name()->print_value_on(st);
115 st->print(" "); 129 st->print(" ");