182 return lookup_symbol(index);
183 }
184 return cp->symbol_at(index);
185 }
186
187 Symbol* signature(const constantPoolHandle& cp) const {
188 int index = signature_index();
189 if (is_internal()) {
190 return lookup_symbol(index);
191 }
192 return cp->symbol_at(index);
193 }
194
195 void set_access_flags(u2 val) { _shorts[access_flags_offset] = val; }
196 void set_offset(u4 val) {
197 val = val << FIELDINFO_TAG_SIZE; // make room for tag
198 _shorts[low_packed_offset] = extract_low_short_from_int(val) | FIELDINFO_TAG_OFFSET;
199 _shorts[high_packed_offset] = extract_high_short_from_int(val);
200 }
201
202 void set_allocation_type(int type) {
203 u2 lo = _shorts[low_packed_offset];
204 switch(lo & FIELDINFO_TAG_MASK) {
205 case FIELDINFO_TAG_BLANK:
206 _shorts[low_packed_offset] = ((type << FIELDINFO_TAG_SIZE)) & 0xFFFF;
207 _shorts[low_packed_offset] &= ~FIELDINFO_TAG_MASK;
208 _shorts[low_packed_offset] |= FIELDINFO_TAG_TYPE_PLAIN;
209 return;
210 #ifndef PRODUCT
211 case FIELDINFO_TAG_TYPE_PLAIN:
212 case FIELDINFO_TAG_TYPE_CONTENDED:
213 case FIELDINFO_TAG_OFFSET:
214 fatal("Setting the field type with overwriting");
215 #endif
216 }
217 ShouldNotReachHere();
218 }
219
220 void set_contended_group(u2 val) {
221 u2 lo = _shorts[low_packed_offset];
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182 return lookup_symbol(index);
183 }
184 return cp->symbol_at(index);
185 }
186
187 Symbol* signature(const constantPoolHandle& cp) const {
188 int index = signature_index();
189 if (is_internal()) {
190 return lookup_symbol(index);
191 }
192 return cp->symbol_at(index);
193 }
194
195 void set_access_flags(u2 val) { _shorts[access_flags_offset] = val; }
196 void set_offset(u4 val) {
197 val = val << FIELDINFO_TAG_SIZE; // make room for tag
198 _shorts[low_packed_offset] = extract_low_short_from_int(val) | FIELDINFO_TAG_OFFSET;
199 _shorts[high_packed_offset] = extract_high_short_from_int(val);
200 }
201
202 // Values types may be coerced to a allocation different type
203 void coerce_allocation_type(int from, int type) {
204 assert(allocation_type() == from, "Unexpected from state from: %d type: %d", from, allocation_type());
205 u2 lo = _shorts[low_packed_offset];
206 _shorts[low_packed_offset] = ((type << FIELDINFO_TAG_SIZE)) & 0xFFFF;
207 _shorts[low_packed_offset] &= ~FIELDINFO_TAG_MASK;
208 _shorts[low_packed_offset] |= FIELDINFO_TAG_TYPE_PLAIN;
209 }
210
211 void set_allocation_type(int type) {
212 u2 lo = _shorts[low_packed_offset];
213 switch(lo & FIELDINFO_TAG_MASK) {
214 case FIELDINFO_TAG_BLANK:
215 _shorts[low_packed_offset] = ((type << FIELDINFO_TAG_SIZE)) & 0xFFFF;
216 _shorts[low_packed_offset] &= ~FIELDINFO_TAG_MASK;
217 _shorts[low_packed_offset] |= FIELDINFO_TAG_TYPE_PLAIN;
218 return;
219 #ifndef PRODUCT
220 case FIELDINFO_TAG_TYPE_PLAIN:
221 case FIELDINFO_TAG_TYPE_CONTENDED:
222 case FIELDINFO_TAG_OFFSET:
223 fatal("Setting the field type with overwriting");
224 #endif
225 }
226 ShouldNotReachHere();
227 }
228
229 void set_contended_group(u2 val) {
230 u2 lo = _shorts[low_packed_offset];
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