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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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13
hotspot/src/share/vm/classfile/verifier.cpp
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@ -53,8 +53,8 @@ static void* verify_byte_codes_fn() {
// Methods in Verifier
bool Verifier::should_verify_for(oop class_loader) {
return class_loader == NULL ?
bool Verifier::should_verify_for(oop class_loader, bool should_verify_class) {
return (class_loader == NULL || !should_verify_class) ?
BytecodeVerificationLocal : BytecodeVerificationRemote;
}
@ -68,7 +68,7 @@ bool Verifier::relax_verify_for(oop loader) {
return !need_verify;
}
bool Verifier::verify(instanceKlassHandle klass, Verifier::Mode mode, TRAPS) {
bool Verifier::verify(instanceKlassHandle klass, Verifier::Mode mode, bool should_verify_class, TRAPS) {
ResourceMark rm(THREAD);
HandleMark hm;
@ -81,7 +81,7 @@ bool Verifier::verify(instanceKlassHandle klass, Verifier::Mode mode, TRAPS) {
// If the class should be verified, first see if we can use the split
// verifier. If not, or if verification fails and FailOverToOldVerifier
// is set, then call the inference verifier.
if (is_eligible_for_verification(klass)) {
if (is_eligible_for_verification(klass, should_verify_class)) {
if (TraceClassInitialization) {
tty->print_cr("Start class verification for: %s", klassName);
}
@ -141,12 +141,13 @@ bool Verifier::verify(instanceKlassHandle klass, Verifier::Mode mode, TRAPS) {
}
}
bool Verifier::is_eligible_for_verification(instanceKlassHandle klass) {
bool Verifier::is_eligible_for_verification(instanceKlassHandle klass, bool should_verify_class) {
symbolOop name = klass->name();
klassOop refl_magic_klass = SystemDictionary::reflect_magic_klass();
return (should_verify_for(klass->class_loader()) &&
return (should_verify_for(klass->class_loader(), should_verify_class) &&
// return if the class is a bootstrapping class
// or defineClass specified not to verify by default (flags override passed arg)
// We need to skip the following four for bootstraping
name != vmSymbols::java_lang_Object() &&
name != vmSymbols::java_lang_Class() &&