202
203 // Initialization
204 void initialize_entry(int original_index); // initialize primary entry
205 void initialize_resolved_reference_index(int ref_index) {
206 assert(_f2 == 0, "set once"); // note: ref_index might be zero also
207 _f2 = ref_index;
208 }
209
210 void set_field( // sets entry to resolved field state
211 Bytecodes::Code get_code, // the bytecode used for reading the field
212 Bytecodes::Code put_code, // the bytecode used for writing the field
213 KlassHandle field_holder, // the object/klass holding the field
214 int orig_field_index, // the original field index in the field holder
215 int field_offset, // the field offset in words in the field holder
216 TosState field_type, // the (machine) field type
217 bool is_final, // the field is final
218 bool is_volatile, // the field is volatile
219 Klass* root_klass // needed by the GC to dirty the klass
220 );
221
222 void set_method( // sets entry to resolved method entry
223 Bytecodes::Code invoke_code, // the bytecode used for invoking the method
224 methodHandle method, // the method/prototype if any (NULL, otherwise)
225 int vtable_index // the vtable index if any, else negative
226 );
227
228 void set_interface_call(
229 methodHandle method, // Resolved method
230 int index // Method index into interface
231 );
232
233 void set_method_handle(
234 constantPoolHandle cpool, // holding constant pool (required for locking)
235 const CallInfo &call_info // Call link information
236 );
237
238 void set_dynamic_call(
239 constantPoolHandle cpool, // holding constant pool (required for locking)
240 const CallInfo &call_info // Call link information
241 );
242
243 // Common code for invokedynamic and MH invocations.
244
245 // The "appendix" is an optional call-site-specific parameter which is
246 // pushed by the JVM at the end of the argument list. This argument may
247 // be a MethodType for the MH.invokes and a CallSite for an invokedynamic
248 // instruction. However, its exact type and use depends on the Java upcall,
249 // which simply returns a compiled LambdaForm along with any reference
250 // that LambdaForm needs to complete the call. If the upcall returns a
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202
203 // Initialization
204 void initialize_entry(int original_index); // initialize primary entry
205 void initialize_resolved_reference_index(int ref_index) {
206 assert(_f2 == 0, "set once"); // note: ref_index might be zero also
207 _f2 = ref_index;
208 }
209
210 void set_field( // sets entry to resolved field state
211 Bytecodes::Code get_code, // the bytecode used for reading the field
212 Bytecodes::Code put_code, // the bytecode used for writing the field
213 KlassHandle field_holder, // the object/klass holding the field
214 int orig_field_index, // the original field index in the field holder
215 int field_offset, // the field offset in words in the field holder
216 TosState field_type, // the (machine) field type
217 bool is_final, // the field is final
218 bool is_volatile, // the field is volatile
219 Klass* root_klass // needed by the GC to dirty the klass
220 );
221
222 private:
223 void set_direct_or_vtable_call(
224 Bytecodes::Code invoke_code, // the bytecode used for invoking the method
225 methodHandle method, // the method/prototype if any (NULL, otherwise)
226 int vtable_index // the vtable index if any, else negative
227 );
228
229 public:
230 void set_direct_call( // sets entry to exact concrete method entry
231 Bytecodes::Code invoke_code, // the bytecode used for invoking the method
232 methodHandle method // the method to call
233 );
234
235 void set_vtable_call( // sets entry to vtable index
236 Bytecodes::Code invoke_code, // the bytecode used for invoking the method
237 methodHandle method, // resolved method which declares the vtable index
238 int vtable_index // the vtable index
239 );
240
241 void set_itable_call(
242 Bytecodes::Code invoke_code, // the bytecode used; must be invokeinterface
243 methodHandle method, // the resolved interface method
244 int itable_index // index into itable for the method
245 );
246
247 void set_method_handle(
248 constantPoolHandle cpool, // holding constant pool (required for locking)
249 const CallInfo &call_info // Call link information
250 );
251
252 void set_dynamic_call(
253 constantPoolHandle cpool, // holding constant pool (required for locking)
254 const CallInfo &call_info // Call link information
255 );
256
257 // Common code for invokedynamic and MH invocations.
258
259 // The "appendix" is an optional call-site-specific parameter which is
260 // pushed by the JVM at the end of the argument list. This argument may
261 // be a MethodType for the MH.invokes and a CallSite for an invokedynamic
262 // instruction. However, its exact type and use depends on the Java upcall,
263 // which simply returns a compiled LambdaForm along with any reference
264 // that LambdaForm needs to complete the call. If the upcall returns a
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