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8174749: Use hash table/oops for MemberName table

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Add a Java type called ResolvedMethodName which is immutable and can be stored in a hashtable, that is weakly collected by gc

Reviewed-by: sspitsyn, stefank, jrose
This commit is contained in:
Coleen Phillimore 2017-05-27 09:21:01 -04:00
parent f1f868513d
commit 6659245612
40 changed files with 800 additions and 383 deletions
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14
hotspot/src/cpu/sparc/vm/methodHandles_sparc.cpp
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@ -181,8 +181,9 @@ void MethodHandles::jump_to_lambda_form(MacroAssembler* _masm,
__ verify_oop(method_temp);
__ load_heap_oop(Address(method_temp, NONZERO(java_lang_invoke_LambdaForm::vmentry_offset_in_bytes())), method_temp);
__ verify_oop(method_temp);
// the following assumes that a Method* is normally compressed in the vmtarget field:
__ ld_ptr( Address(method_temp, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes())), method_temp);
__ load_heap_oop(Address(method_temp, NONZERO(java_lang_invoke_MemberName::method_offset_in_bytes())), method_temp);
__ verify_oop(method_temp);
__ ld_ptr( Address(method_temp, NONZERO(java_lang_invoke_ResolvedMethodName::vmtarget_offset_in_bytes())), method_temp);
if (VerifyMethodHandles && !for_compiler_entry) {
// make sure recv is already on stack
@ -332,7 +333,8 @@ void MethodHandles::generate_method_handle_dispatch(MacroAssembler* _masm,
Address member_clazz( member_reg, NONZERO(java_lang_invoke_MemberName::clazz_offset_in_bytes()));
Address member_vmindex( member_reg, NONZERO(java_lang_invoke_MemberName::vmindex_offset_in_bytes()));
Address member_vmtarget( member_reg, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes()));
Address member_vmtarget( member_reg, NONZERO(java_lang_invoke_MemberName::method_offset_in_bytes()));
Address vmtarget_method( G5_method, NONZERO(java_lang_invoke_ResolvedMethodName::vmtarget_offset_in_bytes()));
Register temp1_recv_klass = temp1;
if (iid != vmIntrinsics::_linkToStatic) {
@ -384,14 +386,16 @@ void MethodHandles::generate_method_handle_dispatch(MacroAssembler* _masm,
if (VerifyMethodHandles) {
verify_ref_kind(_masm, JVM_REF_invokeSpecial, member_reg, temp2);
}
__ ld_ptr(member_vmtarget, G5_method);
__ load_heap_oop(member_vmtarget, G5_method);
__ ld_ptr(vmtarget_method, G5_method);
break;
case vmIntrinsics::_linkToStatic:
if (VerifyMethodHandles) {
verify_ref_kind(_masm, JVM_REF_invokeStatic, member_reg, temp2);
}
__ ld_ptr(member_vmtarget, G5_method);
__ load_heap_oop(member_vmtarget, G5_method);
__ ld_ptr(vmtarget_method, G5_method);
break;
case vmIntrinsics::_linkToVirtual: