# HG changeset patch # User sla # Date 1367862558 -7200 # Node ID 187154b7a22605a23a1744656daf119bedd51a11 # Parent 800078be49d2f3c22d3470df74181b8d3ba68794 8009615: JvmtiClassFileReconstituter does not create BootstrapMethod attributes Reviewed-by: coleenp, sspitsyn diff -r 800078be49d2 -r 187154b7a226 src/share/vm/prims/jvmtiClassFileReconstituter.cpp --- a/src/share/vm/prims/jvmtiClassFileReconstituter.cpp Mon May 06 09:10:21 2013 -0400 +++ b/src/share/vm/prims/jvmtiClassFileReconstituter.cpp Mon May 06 19:49:18 2013 +0200 @@ -341,6 +341,44 @@ memcpy(writeable_address(length), annos->adr_at(0), length); } +// BootstrapMethods_attribute { +// u2 attribute_name_index; +// u4 attribute_length; +// u2 num_bootstrap_methods; +// { u2 bootstrap_method_ref; +// u2 num_bootstrap_arguments; +// u2 bootstrap_arguments[num_bootstrap_arguments]; +// } bootstrap_methods[num_bootstrap_methods]; +// } +void JvmtiClassFileReconstituter::write_boostrapmethod_attribute() { + Array* operands = cpool()->operands(); + write_attribute_name_index("BootstrapMethods"); + int num_bootstrap_methods = ConstantPool::operand_array_length(operands); + + // calculate length of attribute + int length = sizeof(u2); // num_boostrap_methods + for (int n = 0; n < num_bootstrap_methods; n++) { + u2 num_bootstrap_arguments = cpool()->operand_argument_count_at(n); + length += sizeof(u2); // bootstrap_method_ref + length += sizeof(u2); // num_bootstrap_arguments + length += sizeof(u2) * num_bootstrap_arguments; // bootstrap_arguments[num_bootstrap_arguments] + } + write_u4(length); + + // write attribute + write_u2(num_bootstrap_methods); + for (int n = 0; n < num_bootstrap_methods; n++) { + u2 bootstrap_method_ref = cpool()->operand_bootstrap_method_ref_index_at(n); + u2 num_bootstrap_arguments = cpool()->operand_argument_count_at(n); + write_u2(bootstrap_method_ref); + write_u2(num_bootstrap_arguments); + for (int arg = 0; arg < num_bootstrap_arguments; arg++) { + u2 bootstrap_argument = cpool()->operand_argument_index_at(n, arg); + write_u2(bootstrap_argument); + } + } +} + // Write InnerClasses attribute // JVMSpec| InnerClasses_attribute { @@ -597,6 +635,9 @@ if (anno != NULL) { ++attr_count; // has RuntimeVisibleAnnotations attribute } + if (cpool()->operands() != NULL) { + ++attr_count; + } write_u2(attr_count); @@ -615,6 +656,9 @@ if (anno != NULL) { write_annotations_attribute("RuntimeVisibleAnnotations", anno); } + if (cpool()->operands() != NULL) { + write_boostrapmethod_attribute(); + } } // Write the method information portion of ClassFile structure diff -r 800078be49d2 -r 187154b7a226 src/share/vm/prims/jvmtiClassFileReconstituter.hpp --- a/src/share/vm/prims/jvmtiClassFileReconstituter.hpp Mon May 06 09:10:21 2013 -0400 +++ b/src/share/vm/prims/jvmtiClassFileReconstituter.hpp Mon May 06 19:49:18 2013 +0200 @@ -127,6 +127,7 @@ void write_signature_attribute(u2 generic_signaure_index); void write_attribute_name_index(const char* name); void write_annotations_attribute(const char* attr_name, AnnotationArray* annos); + void write_boostrapmethod_attribute(); address writeable_address(size_t size); void write_u1(u1 x);