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6830542: Performance: JVM_DefineClass already verified

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Reviewed-by: kamg, phh
This commit is contained in:
Karen Kinnear 2009-09-04 12:53:02 -04:00
parent c04761e799
commit 488e99efd8
19 changed files with 103 additions and 34 deletions
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10
hotspot/src/share/vm/classfile/classFileParser.cpp
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@ -2547,6 +2547,7 @@ instanceKlassHandle ClassFileParser::parseClassFile(symbolHandle name,
KlassHandle host_klass,
GrowableArray<Handle>* cp_patches,
symbolHandle& parsed_name,
bool verify,
TRAPS) {
// So that JVMTI can cache class file in the state before retransformable agents
// have modified it
@ -2591,7 +2592,7 @@ instanceKlassHandle ClassFileParser::parseClassFile(symbolHandle name,
instanceKlassHandle nullHandle;
// Figure out whether we can skip format checking (matching classic VM behavior)
_need_verify = Verifier::should_verify_for(class_loader());
_need_verify = Verifier::should_verify_for(class_loader(), verify);
// Set the verify flag in stream
cfs->set_verify(_need_verify);
@ -3205,6 +3206,9 @@ instanceKlassHandle ClassFileParser::parseClassFile(symbolHandle name,
// Fill in information already parsed
this_klass->set_access_flags(access_flags);
if (verify) {
this_klass->set_should_verify_class();
}
jint lh = Klass::instance_layout_helper(instance_size, false);
this_klass->set_layout_helper(lh);
assert(this_klass->oop_is_instance(), "layout is correct");
@ -3213,7 +3217,9 @@ instanceKlassHandle ClassFileParser::parseClassFile(symbolHandle name,
//this_klass->set_super(super_klass());
this_klass->set_class_loader(class_loader());
this_klass->set_nonstatic_field_size(nonstatic_field_size);
this_klass->set_has_nonstatic_fields(has_nonstatic_fields);
if (has_nonstatic_fields) {
this_klass->set_has_nonstatic_fields();
}
this_klass->set_static_oop_field_size(fac.static_oop_count);
cp->set_pool_holder(this_klass());
this_klass->set_constants(cp());