--- /dev/null 2016-08-24 15:41:39.598575000 -0400 +++ new/src/share/vm/code/relocInfo_ext.cpp 2016-12-13 12:57:54.605347807 -0500 @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2015, 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 + * 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. + * + */ + +#include "precompiled.hpp" +#include "code/codeCache.hpp" +#include "code/relocInfo.hpp" +#include "code/relocInfo_ext.hpp" +#include "gc/shared/cardTableModRefBS.hpp" +#include "gc/shared/collectedHeap.hpp" +#include "memory/universe.hpp" +#include "runtime/os.hpp" +#include "utilities/debug.hpp" +#ifdef COMPILER1 +#include "c1/c1_globals.hpp" +#endif + +address symbolic_Relocation::symbolic_value(symbolic_Relocation::symbolic_reference t) { + if (Universe::heap() == NULL) { + // the symbolic values are not needed so early + // (and most of them lead to errors if asked too early) + return NULL; + } + switch(t) { + case symbolic_Relocation::polling_page_reference: { + return os::get_polling_page(); + } + case symbolic_Relocation::eden_top_reference: { + if (!Universe::heap()->supports_inline_contig_alloc()) { + return NULL; + } + return (address)Universe::heap()->top_addr(); + } + case symbolic_Relocation::heap_end_reference: { + if (!Universe::heap()->supports_inline_contig_alloc()) { + return NULL; + } + return (address)Universe::heap()->end_addr(); + } + case symbolic_Relocation::card_table_reference: { + BarrierSet* bs = Universe::heap()->barrier_set(); + CardTableModRefBS* ct = (CardTableModRefBS*)bs; + return (address)ct->byte_map_base; + } + case symbolic_Relocation::mark_bits_reference: { + return (address)Universe::verify_mark_bits(); + } + case symbolic_Relocation::mark_mask_reference: { + return (address)Universe::verify_mark_mask(); + } + case symbolic_Relocation::oop_bits_reference: { + return (address)Universe::verify_oop_bits(); + } + case symbolic_Relocation::oop_mask_reference: { + return (address)Universe::verify_oop_mask(); + } + case symbolic_Relocation::debug_string_reference: { + return (address)""; + } + default: { + // missing declaration + ShouldNotReachHere(); + return NULL; + } + } +}