71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/*
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* Copyright (c) 2019, 2025, 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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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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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#ifndef SVM_SHARED_GC_STRUCTS_HPP
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#define SVM_SHARED_GC_STRUCTS_HPP
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#include <sys/types.h>
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#ifdef __cplusplus
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namespace svm_gc {
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#endif
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// forward declarations
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typedef struct CodeInfo CodeInfo;
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// data structures for frames that are currently on the stack
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struct StackFrame {
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u_char *stack_pointer;
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u_char *encoded_reference_map;
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size_t reference_map_index;
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};
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struct StackFrames {
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size_t count;
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struct StackFrame frames[0]; // variable-sized array
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};
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struct StackFramesPerThread {
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size_t count;
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struct StackFrames *threads[0]; // variable-sized array
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};
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// data structures for JIT-compiled code that is currently on the stack
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struct CodeInfos {
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size_t count;
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struct CodeInfo *code_infos[0]; // variable-sized array
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};
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struct CodeInfosPerThread {
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size_t count;
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struct CodeInfos *threads[0]; // variable-sized array
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};
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#ifdef __cplusplus
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} // namespace svm_gc
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#endif
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#endif // SVM_SHARED_GC_STRUCTS_HPP
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