/*
* Copyright ( c ) 2018 , 2020 , Oracle and / or its affiliates . All rights reserved .
* Copyright ( c ) 2017 , Red Hat , Inc . and / or its affiliates .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*
*/
#ifndef SHARE_GC_SHARED_GCARGUMENTS_HPP
#define SHARE_GC_SHARED_GCARGUMENTS_HPP
#include "memory/allocation.hpp"
class CollectedHeap;
extern size_t HeapAlignment;
extern size_t SpaceAlignment;
class GCArguments {
protected :
// Initialize HeapAlignment, SpaceAlignment, and extra alignments (E.g. GenAlignment)
virtual void initialize_alignments() = 0 ;
virtual void initialize_heap_flags_and_sizes();
virtual void initialize_size_info();
DEBUG_ONLY(void assert_flags();)
DEBUG_ONLY(void assert_size_info();)
public :
virtual void initialize();
virtual size_t conservative_max_heap_alignment() = 0 ;
// Used by heap size heuristics to determine max
// amount of address space to use for the heap.
virtual size_t heap_virtual_to_physical_ratio();
virtual CollectedHeap* create_heap() = 0 ;
// Allows GCs to tell external code if it's supported or not in the current setup.
virtual bool is_supported() const {
return true ;
}
void initialize_heap_sizes();
static size_t compute_heap_alignment();
};
#endif // SHARE_GC_SHARED_GCARGUMENTS_HPP
Messung V0.5 in Prozent C=91 H=88 G=89
¤ Dauer der Verarbeitung: 0.0 Sekunden
(vorverarbeitet am 2026-09-11)
¤
*© Formatika GbR, Deutschland