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6655646: dynamic languages need dynamically linked call sites

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Invokedynamic instruction (JSR 292 RI)

Reviewed-by: twisti, never
This commit is contained in:
John R Rose 2009-04-21 23:21:04 -07:00
parent fd05c28901
commit 34c1d72421
65 changed files with 1457 additions and 264 deletions
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38
hotspot/src/share/vm/classfile/javaClasses.cpp
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@ -2430,6 +2430,41 @@ oop java_dyn_MethodTypeForm::erasedType(oop mtform) {
}
// Support for sun_dyn_CallSiteImpl
int sun_dyn_CallSiteImpl::_type_offset;
int sun_dyn_CallSiteImpl::_target_offset;
int sun_dyn_CallSiteImpl::_vmmethod_offset;
void sun_dyn_CallSiteImpl::compute_offsets() {
if (!EnableInvokeDynamic) return;
klassOop k = SystemDictionary::CallSiteImpl_klass();
if (k != NULL) {
compute_offset(_type_offset, k, vmSymbols::type_name(), vmSymbols::java_dyn_MethodType_signature(), true);
compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_dyn_MethodHandle_signature(), true);
compute_offset(_vmmethod_offset, k, vmSymbols::vmmethod_name(), vmSymbols::object_signature(), true);
}
}
oop sun_dyn_CallSiteImpl::type(oop site) {
return site->obj_field(_type_offset);
}
oop sun_dyn_CallSiteImpl::target(oop site) {
return site->obj_field(_target_offset);
}
void sun_dyn_CallSiteImpl::set_target(oop site, oop target) {
site->obj_field_put(_target_offset, target);
}
oop sun_dyn_CallSiteImpl::vmmethod(oop site) {
return site->obj_field(_vmmethod_offset);
}
void sun_dyn_CallSiteImpl::set_vmmethod(oop site, oop ref) {
site->obj_field_put(_vmmethod_offset, ref);
}
// Support for java_security_AccessControlContext
@ -2775,6 +2810,9 @@ void JavaClasses::compute_offsets() {
java_dyn_MethodType::compute_offsets();
java_dyn_MethodTypeForm::compute_offsets();
}
if (EnableInvokeDynamic) {
sun_dyn_CallSiteImpl::compute_offsets();
}
java_security_AccessControlContext::compute_offsets();
// Initialize reflection classes. The layouts of these classes
// changed with the new reflection implementation in JDK 1.4, and