153 Klass* Klass::find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
154 #ifdef ASSERT
155 tty->print_cr("Error: find_field called on a klass oop."
156 " Likely error: reflection method does not correctly"
157 " wrap return value in a mirror object.");
158 #endif
159 ShouldNotReachHere();
160 return NULL;
161 }
162
163 Method* Klass::uncached_lookup_method(const Symbol* name, const Symbol* signature, OverpassLookupMode overpass_mode) const {
164 #ifdef ASSERT
165 tty->print_cr("Error: uncached_lookup_method called on a klass oop."
166 " Likely error: reflection method does not correctly"
167 " wrap return value in a mirror object.");
168 #endif
169 ShouldNotReachHere();
170 return NULL;
171 }
172
173 void* Klass::operator new(size_t size, ClassLoaderData* loader_data, size_t word_size, TRAPS) throw() {
174 return Metaspace::allocate(loader_data, word_size, MetaspaceObj::ClassType, THREAD);
175 }
176
177 // "Normal" instantiation is preceeded by a MetaspaceObj allocation
178 // which zeros out memory - calloc equivalent.
179 // The constructor is also used from CppVtableCloner,
180 // which doesn't zero out the memory before calling the constructor.
181 // Need to set the _java_mirror field explicitly to not hit an assert that the field
182 // should be NULL before setting it.
183 Klass::Klass() : _prototype_header(markOopDesc::prototype()),
184 _shared_class_path_index(-1),
185 _java_mirror(NULL) {
186
187 _primary_supers[0] = this;
188 set_super_check_offset(in_bytes(primary_supers_offset()));
189 }
190
191 jint Klass::array_layout_helper(BasicType etype) {
192 assert(etype >= T_BOOLEAN && etype <= T_OBJECT, "valid etype");
193 // Note that T_ARRAY is not allowed here.
194 int hsize = arrayOopDesc::base_offset_in_bytes(etype);
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153 Klass* Klass::find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
154 #ifdef ASSERT
155 tty->print_cr("Error: find_field called on a klass oop."
156 " Likely error: reflection method does not correctly"
157 " wrap return value in a mirror object.");
158 #endif
159 ShouldNotReachHere();
160 return NULL;
161 }
162
163 Method* Klass::uncached_lookup_method(const Symbol* name, const Symbol* signature, OverpassLookupMode overpass_mode) const {
164 #ifdef ASSERT
165 tty->print_cr("Error: uncached_lookup_method called on a klass oop."
166 " Likely error: reflection method does not correctly"
167 " wrap return value in a mirror object.");
168 #endif
169 ShouldNotReachHere();
170 return NULL;
171 }
172
173 void* Klass::operator new(size_t size, ClassLoaderData* loader_data, size_t word_size, bool is_value, TRAPS) throw () {
174 // Pad size in case need adjust to even/odd klass ptr
175 uintptr_t addr = (uintptr_t) Metaspace::allocate(loader_data, word_size + (1 << LogKlassAlignment), MetaspaceObj::ClassType, THREAD);
176 // values are odd, otherwise make even (and vice versa)
177 if (is_value ^ (((addr & KlassPtrValueTypeMask) >> LogKlassAlignmentInBytes) != 0)) {
178 addr += (1 << LogKlassAlignmentInBytes);
179 }
180 assert(is_aligned(addr, (1 << LogKlassAlignmentInBytes)), "Klass base alignment incorrect");
181 assert( is_value || ((addr & KlassPtrValueTypeMask) == 0), "Klass even alignment incorrect");
182 assert(!is_value || ((addr & KlassPtrValueTypeMask) != 0), "Klass odd alignment incorrect");
183 return (void*) addr;
184 }
185
186 // "Normal" instantiation is preceeded by a MetaspaceObj allocation
187 // which zeros out memory - calloc equivalent.
188 // The constructor is also used from CppVtableCloner,
189 // which doesn't zero out the memory before calling the constructor.
190 // Need to set the _java_mirror field explicitly to not hit an assert that the field
191 // should be NULL before setting it.
192 Klass::Klass() : _prototype_header(markOopDesc::prototype()),
193 _shared_class_path_index(-1),
194 _java_mirror(NULL) {
195
196 _primary_supers[0] = this;
197 set_super_check_offset(in_bytes(primary_supers_offset()));
198 }
199
200 jint Klass::array_layout_helper(BasicType etype) {
201 assert(etype >= T_BOOLEAN && etype <= T_OBJECT, "valid etype");
202 // Note that T_ARRAY is not allowed here.
203 int hsize = arrayOopDesc::base_offset_in_bytes(etype);
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