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6964458: Reimplement class meta-data storage to use native memory

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Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
This commit is contained in:
Jon Masamitsu 2012-09-01 13:25:18 -04:00 • committed by Coleen Phillimore
parent 36eee7c8c8
commit 5c58d27aac
853 changed files with 26124 additions and 82956 deletions
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20
hotspot/src/share/vm/prims/methodHandles.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -55,16 +55,16 @@ class MethodHandles: AllStatic {
static void expand_MemberName(Handle mname, int suppress, TRAPS); // expand defc/name/type if missing
static Handle new_MemberName(TRAPS); // must be followed by init_MemberName
static oop init_MemberName(oop mname_oop, oop target_oop); // compute vmtarget/vmindex from target
static oop init_method_MemberName(oop mname_oop, methodOop m, bool do_dispatch,
klassOop receiver_limit);
static oop init_field_MemberName(oop mname_oop, klassOop field_holder,
static oop init_method_MemberName(oop mname_oop, Method* m, bool do_dispatch,
Klass* receiver_limit);
static oop init_field_MemberName(oop mname_oop, Klass* field_holder,
AccessFlags mods, oop type, oop name,
intptr_t offset, bool is_setter = false);
static Handle init_method_MemberName(oop mname_oop, CallInfo& info, TRAPS);
static Handle init_field_MemberName(oop mname_oop, FieldAccessInfo& info, TRAPS);
static int method_ref_kind(methodOop m, bool do_dispatch_if_possible = true);
static int find_MemberNames(klassOop k, Symbol* name, Symbol* sig,
int mflags, klassOop caller,
static int method_ref_kind(Method* m, bool do_dispatch_if_possible = true);
static int find_MemberNames(Klass* k, Symbol* name, Symbol* sig,
int mflags, Klass* caller,
int skip, objArrayOop results);
// bit values for suppress argument to expand_MemberName:
enum { _suppress_defc = 1, _suppress_name = 2, _suppress_type = 4 };
@ -116,13 +116,13 @@ class MethodHandles: AllStatic {
static Symbol* signature_polymorphic_intrinsic_name(vmIntrinsics::ID iid);
static int signature_polymorphic_intrinsic_ref_kind(vmIntrinsics::ID iid);
static vmIntrinsics::ID signature_polymorphic_name_id(klassOop klass, Symbol* name);
static vmIntrinsics::ID signature_polymorphic_name_id(Klass* klass, Symbol* name);
static vmIntrinsics::ID signature_polymorphic_name_id(Symbol* name);
static bool is_signature_polymorphic_name(Symbol* name) {
return signature_polymorphic_name_id(name) != vmIntrinsics::_none;
}
static bool is_method_handle_invoke_name(klassOop klass, Symbol* name);
static bool is_signature_polymorphic_name(klassOop klass, Symbol* name) {
static bool is_method_handle_invoke_name(Klass* klass, Symbol* name);
static bool is_signature_polymorphic_name(Klass* klass, Symbol* name) {
return signature_polymorphic_name_id(klass, name) != vmIntrinsics::_none;
}