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be99e84c98
Co-authored-by: Stefan Karlsson <stefank@openjdk.org> Co-authored-by: Axel Boldt-Christmas <aboldtch@openjdk.org> Reviewed-by: stefank, rrich, pchilanomate
74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
/*
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* Copyright (c) 2022, 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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#ifndef SHARE_VM_RUNTIME_CONTINUATIONENTRY_INLINE_HPP
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#define SHARE_VM_RUNTIME_CONTINUATIONENTRY_INLINE_HPP
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#include "runtime/continuationEntry.hpp"
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#include "gc/shared/collectedHeap.hpp"
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#include "memory/universe.hpp"
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#include "runtime/frame.hpp"
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#include "runtime/stackWatermarkSet.inline.hpp"
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#include "runtime/thread.hpp"
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#include "utilities/align.hpp"
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#include CPU_HEADER_INLINE(continuationEntry)
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inline intptr_t* ContinuationEntry::bottom_sender_sp() const {
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// the entry frame is extended if the bottom frame has stack arguments
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int entry_frame_extension = argsize() > 0 ? argsize() + frame::metadata_words_at_top : 0;
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intptr_t* sp = entry_sp() - entry_frame_extension;
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#ifdef _LP64
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sp = align_down(sp, frame::frame_alignment);
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#endif
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return sp;
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}
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inline bool is_stack_watermark_processing_started(const JavaThread* thread) {
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StackWatermark* sw = StackWatermarkSet::get(const_cast<JavaThread*>(thread), StackWatermarkKind::gc);
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if (sw == nullptr) {
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// No stale processing without stack watermarks
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return true;
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}
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return sw->processing_started();
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}
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inline oop ContinuationEntry::cont_oop(const JavaThread* thread) const {
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assert(!Universe::heap()->is_in((void*)&_cont), "Should not be in the heap");
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assert(is_stack_watermark_processing_started(thread != nullptr ? thread : JavaThread::current()), "Not processed");
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return *(oop*)&_cont;
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}
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inline oop ContinuationEntry::cont_oop_or_null(const ContinuationEntry* ce, const JavaThread* thread) {
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return ce == nullptr ? nullptr : ce->cont_oop(thread);
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}
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inline oop ContinuationEntry::scope(const JavaThread* thread) const {
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return Continuation::continuation_scope(cont_oop(thread));
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}
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#endif // SHARE_VM_RUNTIME_CONTINUATIONENTRY_INLINE_HPP
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