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comparison src/share/vm/classfile/classFileParser.cpp @ 973:ad6585fd4087

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6830542: Performance: JVM_DefineClass already verified. Reviewed-by: kamg, phh
author acorn
date Fri, 04 Sep 2009 12:53:02 -0400
parents 494244ae0171
children 26b774d693aa
comparison
equal deleted inserted replaced
967:6918603297f7 973:ad6585fd4087
2545 Handle class_loader, 2545 Handle class_loader,
2546 Handle protection_domain, 2546 Handle protection_domain,
2547 KlassHandle host_klass, 2547 KlassHandle host_klass,
2548 GrowableArray<Handle>* cp_patches, 2548 GrowableArray<Handle>* cp_patches,
2549 symbolHandle& parsed_name, 2549 symbolHandle& parsed_name,
2550 bool verify,
2550 TRAPS) { 2551 TRAPS) {
2551 // So that JVMTI can cache class file in the state before retransformable agents 2552 // So that JVMTI can cache class file in the state before retransformable agents
2552 // have modified it 2553 // have modified it
2553 unsigned char *cached_class_file_bytes = NULL; 2554 unsigned char *cached_class_file_bytes = NULL;
2554 jint cached_class_file_length; 2555 jint cached_class_file_length;
2589 _cp_patches = cp_patches; 2590 _cp_patches = cp_patches;
2590 2591
2591 instanceKlassHandle nullHandle; 2592 instanceKlassHandle nullHandle;
2592 2593
2593 // Figure out whether we can skip format checking (matching classic VM behavior) 2594 // Figure out whether we can skip format checking (matching classic VM behavior)
2594 _need_verify = Verifier::should_verify_for(class_loader()); 2595 _need_verify = Verifier::should_verify_for(class_loader(), verify);
2595 2596
2596 // Set the verify flag in stream 2597 // Set the verify flag in stream
2597 cfs->set_verify(_need_verify); 2598 cfs->set_verify(_need_verify);
2598 2599
2599 // Save the class file name for easier error message printing. 2600 // Save the class file name for easier error message printing.
3203 assert(this_klass->static_field_size() == static_field_size && 3204 assert(this_klass->static_field_size() == static_field_size &&
3204 this_klass->nonstatic_oop_map_size() == nonstatic_oop_map_size, "sanity check"); 3205 this_klass->nonstatic_oop_map_size() == nonstatic_oop_map_size, "sanity check");
3205 3206
3206 // Fill in information already parsed 3207 // Fill in information already parsed
3207 this_klass->set_access_flags(access_flags); 3208 this_klass->set_access_flags(access_flags);
3209 if (verify) {
3210 this_klass->set_should_verify_class();
3211 }
3208 jint lh = Klass::instance_layout_helper(instance_size, false); 3212 jint lh = Klass::instance_layout_helper(instance_size, false);
3209 this_klass->set_layout_helper(lh); 3213 this_klass->set_layout_helper(lh);
3210 assert(this_klass->oop_is_instance(), "layout is correct"); 3214 assert(this_klass->oop_is_instance(), "layout is correct");
3211 assert(this_klass->size_helper() == instance_size, "correct size_helper"); 3215 assert(this_klass->size_helper() == instance_size, "correct size_helper");
3212 // Not yet: supers are done below to support the new subtype-checking fields 3216 // Not yet: supers are done below to support the new subtype-checking fields
3213 //this_klass->set_super(super_klass()); 3217 //this_klass->set_super(super_klass());
3214 this_klass->set_class_loader(class_loader()); 3218 this_klass->set_class_loader(class_loader());
3215 this_klass->set_nonstatic_field_size(nonstatic_field_size); 3219 this_klass->set_nonstatic_field_size(nonstatic_field_size);
3216 this_klass->set_has_nonstatic_fields(has_nonstatic_fields); 3220 if (has_nonstatic_fields) {
3221 this_klass->set_has_nonstatic_fields();
3222 }
3217 this_klass->set_static_oop_field_size(fac.static_oop_count); 3223 this_klass->set_static_oop_field_size(fac.static_oop_count);
3218 cp->set_pool_holder(this_klass()); 3224 cp->set_pool_holder(this_klass());
3219 this_klass->set_constants(cp()); 3225 this_klass->set_constants(cp());
3220 this_klass->set_local_interfaces(local_interfaces()); 3226 this_klass->set_local_interfaces(local_interfaces());
3221 this_klass->set_fields(fields()); 3227 this_klass->set_fields(fields());