132 } |
132 } |
133 |
133 |
134 void ConstantPoolCacheEntry::set_method(Bytecodes::Code invoke_code, |
134 void ConstantPoolCacheEntry::set_method(Bytecodes::Code invoke_code, |
135 methodHandle method, |
135 methodHandle method, |
136 int vtable_index) { |
136 int vtable_index) { |
137 |
137 assert(!is_secondary_entry(), ""); |
138 assert(method->interpreter_entry() != NULL, "should have been set at this point"); |
138 assert(method->interpreter_entry() != NULL, "should have been set at this point"); |
139 assert(!method->is_obsolete(), "attempt to write obsolete method to cpCache"); |
139 assert(!method->is_obsolete(), "attempt to write obsolete method to cpCache"); |
140 bool change_to_virtual = (invoke_code == Bytecodes::_invokeinterface); |
140 bool change_to_virtual = (invoke_code == Bytecodes::_invokeinterface); |
141 |
141 |
142 int byte_no = -1; |
142 int byte_no = -1; |
143 bool needs_vfinal_flag = false; |
143 bool needs_vfinal_flag = false; |
144 switch (invoke_code) { |
144 switch (invoke_code) { |
145 case Bytecodes::_invokedynamic: |
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146 case Bytecodes::_invokevirtual: |
145 case Bytecodes::_invokevirtual: |
147 case Bytecodes::_invokeinterface: { |
146 case Bytecodes::_invokeinterface: { |
148 if (method->can_be_statically_bound()) { |
147 if (method->can_be_statically_bound()) { |
149 set_f2((intptr_t)method()); |
148 set_f2((intptr_t)method()); |
150 needs_vfinal_flag = true; |
149 needs_vfinal_flag = true; |
153 set_f2(vtable_index); |
152 set_f2(vtable_index); |
154 } |
153 } |
155 byte_no = 2; |
154 byte_no = 2; |
156 break; |
155 break; |
157 } |
156 } |
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157 |
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158 case Bytecodes::_invokedynamic: // similar to _invokevirtual |
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159 if (TraceInvokeDynamic) { |
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160 tty->print_cr("InvokeDynamic set_method%s method="PTR_FORMAT" index=%d", |
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161 (is_secondary_entry() ? " secondary" : ""), |
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162 (intptr_t)method(), vtable_index); |
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163 method->print(); |
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164 this->print(tty, 0); |
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165 } |
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166 assert(method->can_be_statically_bound(), "must be a MH invoker method"); |
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167 assert(AllowTransitionalJSR292 || _f2 >= constantPoolOopDesc::CPCACHE_INDEX_TAG, "BSM index initialized"); |
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168 set_f1(method()); |
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169 needs_vfinal_flag = false; // _f2 is not an oop |
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170 assert(!is_vfinal(), "f2 not an oop"); |
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171 byte_no = 1; // just a formality |
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172 break; |
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173 |
158 case Bytecodes::_invokespecial: |
174 case Bytecodes::_invokespecial: |
159 // Preserve the value of the vfinal flag on invokevirtual bytecode |
175 // Preserve the value of the vfinal flag on invokevirtual bytecode |
160 // which may be shared with this constant pool cache entry. |
176 // which may be shared with this constant pool cache entry. |
161 needs_vfinal_flag = is_resolved(Bytecodes::_invokevirtual) && is_vfinal(); |
177 needs_vfinal_flag = is_resolved(Bytecodes::_invokevirtual) && is_vfinal(); |
162 // fall through |
178 // fall through |
207 NOT_PRODUCT(verify(tty)); |
223 NOT_PRODUCT(verify(tty)); |
208 } |
224 } |
209 |
225 |
210 |
226 |
211 void ConstantPoolCacheEntry::set_interface_call(methodHandle method, int index) { |
227 void ConstantPoolCacheEntry::set_interface_call(methodHandle method, int index) { |
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228 assert(!is_secondary_entry(), ""); |
212 klassOop interf = method->method_holder(); |
229 klassOop interf = method->method_holder(); |
213 assert(instanceKlass::cast(interf)->is_interface(), "must be an interface"); |
230 assert(instanceKlass::cast(interf)->is_interface(), "must be an interface"); |
214 set_f1(interf); |
231 set_f1(interf); |
215 set_f2(index); |
232 set_f2(index); |
216 set_flags(as_flags(as_TosState(method->result_type()), method->is_final_method(), false, false, false, true) | method()->size_of_parameters()); |
233 set_flags(as_flags(as_TosState(method->result_type()), method->is_final_method(), false, false, false, true) | method()->size_of_parameters()); |
217 set_bytecode_1(Bytecodes::_invokeinterface); |
234 set_bytecode_1(Bytecodes::_invokeinterface); |
218 } |
235 } |
219 |
236 |
220 |
237 |
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238 void ConstantPoolCacheEntry::initialize_bootstrap_method_index_in_cache(int bsm_cache_index) { |
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239 assert(!is_secondary_entry(), "only for JVM_CONSTANT_InvokeDynamic main entry"); |
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240 assert(_f2 == 0, "initialize once"); |
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241 assert(bsm_cache_index == (int)(u2)bsm_cache_index, "oob"); |
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242 set_f2(bsm_cache_index + constantPoolOopDesc::CPCACHE_INDEX_TAG); |
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243 } |
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244 |
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245 int ConstantPoolCacheEntry::bootstrap_method_index_in_cache() { |
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246 assert(!is_secondary_entry(), "only for JVM_CONSTANT_InvokeDynamic main entry"); |
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247 intptr_t bsm_cache_index = (intptr_t) _f2 - constantPoolOopDesc::CPCACHE_INDEX_TAG; |
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248 assert(bsm_cache_index == (intptr_t)(u2)bsm_cache_index, "oob"); |
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249 return (int) bsm_cache_index; |
|
250 } |
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251 |
221 void ConstantPoolCacheEntry::set_dynamic_call(Handle call_site, |
252 void ConstantPoolCacheEntry::set_dynamic_call(Handle call_site, |
222 methodHandle signature_invoker) { |
253 methodHandle signature_invoker) { |
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254 assert(is_secondary_entry(), ""); |
223 int param_size = signature_invoker->size_of_parameters(); |
255 int param_size = signature_invoker->size_of_parameters(); |
224 assert(param_size >= 1, "method argument size must include MH.this"); |
256 assert(param_size >= 1, "method argument size must include MH.this"); |
225 param_size -= 1; // do not count MH.this; it is not stacked for invokedynamic |
257 param_size -= 1; // do not count MH.this; it is not stacked for invokedynamic |
226 if (Atomic::cmpxchg_ptr(call_site(), &_f1, NULL) == NULL) { |
258 if (Atomic::cmpxchg_ptr(call_site(), &_f1, NULL) == NULL) { |
227 // racing threads might be trying to install their own favorites |
259 // racing threads might be trying to install their own favorites |
228 set_f1(call_site()); |
260 set_f1(call_site()); |
229 } |
261 } |
230 //set_f2(0); |
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231 bool is_final = true; |
262 bool is_final = true; |
232 assert(signature_invoker->is_final_method(), "is_final"); |
263 assert(signature_invoker->is_final_method(), "is_final"); |
233 set_flags(as_flags(as_TosState(signature_invoker->result_type()), is_final, false, false, false, true) | param_size); |
264 set_flags(as_flags(as_TosState(signature_invoker->result_type()), is_final, false, false, false, true) | param_size); |
234 // do not do set_bytecode on a secondary CP cache entry |
265 // do not do set_bytecode on a secondary CP cache entry |
235 //set_bytecode_1(Bytecodes::_invokedynamic); |
266 //set_bytecode_1(Bytecodes::_invokedynamic); |
415 |
446 |
416 void ConstantPoolCacheEntry::print(outputStream* st, int index) const { |
447 void ConstantPoolCacheEntry::print(outputStream* st, int index) const { |
417 // print separator |
448 // print separator |
418 if (index == 0) tty->print_cr(" -------------"); |
449 if (index == 0) tty->print_cr(" -------------"); |
419 // print entry |
450 // print entry |
420 tty->print_cr("%3d (%08x) ", index, this); |
451 tty->print("%3d ("PTR_FORMAT") ", index, (intptr_t)this); |
421 if (is_secondary_entry()) |
452 if (is_secondary_entry()) |
422 tty->print_cr("[%5d|secondary]", main_entry_index()); |
453 tty->print_cr("[%5d|secondary]", main_entry_index()); |
423 else |
454 else |
424 tty->print_cr("[%02x|%02x|%5d]", bytecode_2(), bytecode_1(), constant_pool_index()); |
455 tty->print_cr("[%02x|%02x|%5d]", bytecode_2(), bytecode_1(), constant_pool_index()); |
425 tty->print_cr(" [ %08x]", (address)(oop)_f1); |
456 tty->print_cr(" [ "PTR_FORMAT"]", (intptr_t)(oop)_f1); |
426 tty->print_cr(" [ %08x]", _f2); |
457 tty->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_f2); |
427 tty->print_cr(" [ %08x]", _flags); |
458 tty->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_flags); |
428 tty->print_cr(" -------------"); |
459 tty->print_cr(" -------------"); |
429 } |
460 } |
430 |
461 |
431 void ConstantPoolCacheEntry::verify(outputStream* st) const { |
462 void ConstantPoolCacheEntry::verify(outputStream* st) const { |
432 // not implemented yet |
463 // not implemented yet |