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comparison src/share/vm/oops/constantPoolOop.hpp @ 1660:083fde3b838e

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6964498: JSR 292 invokedynamic sites need local bootstrap methods Summary: Add JVM_CONSTANT_InvokeDynamic records to constant pool to determine per-instruction BSMs. Reviewed-by: twisti
author jrose
date Thu, 15 Jul 2010 18:40:45 -0700
parents 136b78722a08
children d1896d1dda3e
comparison
equal deleted inserted replaced
1649:a528509c992b 1660:083fde3b838e
154 void method_type_index_at_put(int which, int ref_index) { 154 void method_type_index_at_put(int which, int ref_index) {
155 tag_at_put(which, JVM_CONSTANT_MethodType); 155 tag_at_put(which, JVM_CONSTANT_MethodType);
156 *int_at_addr(which) = ref_index; 156 *int_at_addr(which) = ref_index;
157 } 157 }
158 158
159 void invoke_dynamic_at_put(int which, int bootstrap_method_index, int name_and_type_index) {
160 tag_at_put(which, JVM_CONSTANT_InvokeDynamic);
161 *int_at_addr(which) = ((jint) name_and_type_index<<16) | bootstrap_method_index;
162 }
163
159 // Temporary until actual use 164 // Temporary until actual use
160 void unresolved_string_at_put(int which, symbolOop s) { 165 void unresolved_string_at_put(int which, symbolOop s) {
161 *obj_at_addr(which) = NULL; 166 *obj_at_addr(which) = NULL;
162 release_tag_at_put(which, JVM_CONSTANT_UnresolvedString); 167 release_tag_at_put(which, JVM_CONSTANT_UnresolvedString);
163 oop_store_without_check(obj_at_addr(which), oop(s)); 168 oop_store_without_check(obj_at_addr(which), oop(s));
394 } 399 }
395 symbolOop method_type_signature_at(int which) { 400 symbolOop method_type_signature_at(int which) {
396 int sym = method_type_index_at(which); 401 int sym = method_type_index_at(which);
397 return symbol_at(sym); 402 return symbol_at(sym);
398 } 403 }
404 int invoke_dynamic_bootstrap_method_ref_index_at(int which) {
405 assert(tag_at(which).is_invoke_dynamic(), "Corrupted constant pool");
406 jint ref_index = *int_at_addr(which);
407 return extract_low_short_from_int(ref_index);
408 }
409 int invoke_dynamic_name_and_type_ref_index_at(int which) {
410 assert(tag_at(which).is_invoke_dynamic(), "Corrupted constant pool");
411 jint ref_index = *int_at_addr(which);
412 return extract_high_short_from_int(ref_index);
413 }
399 414
400 // The following methods (name/signature/klass_ref_at, klass_ref_at_noresolve, 415 // The following methods (name/signature/klass_ref_at, klass_ref_at_noresolve,
401 // name_and_type_ref_index_at) all expect to be passed indices obtained 416 // name_and_type_ref_index_at) all expect to be passed indices obtained
402 // directly from the bytecode, and extracted according to java byte order. 417 // directly from the bytecode, and extracted according to java byte order.
403 // If the indices are meant to refer to fields or methods, they are 418 // If the indices are meant to refer to fields or methods, they are