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8236604: Optimize SystemDictionary::resolve_well_known_classes for CDS

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Serialize SystemDictionary::_well_known_classes into CDS and quickly resolve them at runtime in vm startup stage.

Reviewed-by: iklam, coleenp
This commit is contained in:
Yumin Qi 2020-02-28 15:30:29 -08:00
parent b247e6d908
commit add146cc8b
7 changed files with 87 additions and 23 deletions
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3
src/hotspot/share/classfile/systemDictionaryShared.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2014, 2020, 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
@ -303,6 +303,7 @@ public:
static void write_to_archive(bool is_static_archive = true);
static void serialize_dictionary_headers(class SerializeClosure* soc,
bool is_static_archive = true);
static void serialize_well_known_klasses(class SerializeClosure* soc);
static void print() { return print_on(tty); }
static void print_on(outputStream* st) NOT_CDS_RETURN;
static void print_table_statistics(outputStream* st) NOT_CDS_RETURN;