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/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "code/codeCache.hpp"
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#include "code/relocInfo.hpp"
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#include "code/relocInfo_ext.hpp"
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#include "gc/shared/cardTableModRefBS.hpp"
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#include "gc/shared/collectedHeap.hpp"
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#include "memory/universe.hpp"
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#include "runtime/os.hpp"
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#include "utilities/debug.hpp"
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#ifdef COMPILER1
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#include "c1/c1_globals.hpp"
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#endif
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address symbolic_Relocation::symbolic_value(symbolic_Relocation::symbolic_reference t) {
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if (Universe::heap() == NULL) {
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// the symbolic values are not needed so early
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// (and most of them lead to errors if asked too early)
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return NULL;
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}
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switch(t) {
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case symbolic_Relocation::polling_page_reference: {
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return os::get_polling_page();
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}
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case symbolic_Relocation::eden_top_reference: {
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if (!Universe::heap()->supports_inline_contig_alloc()) {
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return NULL;
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}
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return (address)Universe::heap()->top_addr();
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}
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case symbolic_Relocation::heap_end_reference: {
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if (!Universe::heap()->supports_inline_contig_alloc()) {
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return NULL;
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}
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return (address)Universe::heap()->end_addr();
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}
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case symbolic_Relocation::card_table_reference: {
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BarrierSet* bs = Universe::heap()->barrier_set();
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CardTableModRefBS* ct = (CardTableModRefBS*)bs;
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return (address)ct->byte_map_base;
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}
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case symbolic_Relocation::mark_bits_reference: {
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return (address)Universe::verify_mark_bits();
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}
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case symbolic_Relocation::mark_mask_reference: {
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return (address)Universe::verify_mark_mask();
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}
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case symbolic_Relocation::oop_bits_reference: {
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return (address)Universe::verify_oop_bits();
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}
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case symbolic_Relocation::oop_mask_reference: {
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return (address)Universe::verify_oop_mask();
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}
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case symbolic_Relocation::debug_string_reference: {
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return (address)"<Lost debug string>";
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}
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default: {
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// missing declaration
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ShouldNotReachHere();
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return NULL;
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}
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}
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}
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