jdk

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/*
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 * Copyright (c) 2022 SAP SE. All rights reserved.
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 * Copyright (c) 2022, 2024, 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 "defs.S.inc"
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    # Support for int SafeFetch32(int* address, int defaultval);
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    #
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    #  r2 : address
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    #  r3 : defaultval
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    #  r2 : retval
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DECLARE_FUNC(SafeFetch32_impl):
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DECLARE_FUNC(_SafeFetch32_fault):
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    lgf      %r2, 0(%r2)
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    br       %r14
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DECLARE_FUNC(_SafeFetch32_continuation):
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    lgr      %r2, %r3
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    br       %r14
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    # Support for intptr_t SafeFetchN(intptr_t* address, intptr_t defaultval);
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    #
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    #  r2 : address
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    #  r3 : defaultval
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    #  r2 : retval
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DECLARE_FUNC(SafeFetchN_impl):
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DECLARE_FUNC(_SafeFetchN_fault):
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    lg       %r2, 0(%r2)
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    br       %r14
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DECLARE_FUNC(_SafeFetchN_continuation):
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    lgr      %r2, %r3
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    br       %r14
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