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annotate src/cpu/zero/vm/globalDefinitions_zero.hpp @ 14418:cfd05ec74089

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8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints. Summary: Some platforms, as ppc and s390x/zArch require that 32-bit ints are passed as 64-bit values to C functions. This change adds support to adapt the signature and to issue proper casts to c2-compiled stubs. The functions are used in generate_native_wrapper(). Adapt signature used by the compiler as in PhaseIdealLoop::intrinsify_fill(). Reviewed-by: kvn
author goetz
date Wed, 18 Sep 2013 14:34:56 -0700
parents f95d63e2154a
children 4ca6dc0799b6
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1 /*
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2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * Copyright 2009 Red Hat, Inc.
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 *
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6 * This code is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU General Public License version 2 only, as
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8 * published by the Free Software Foundation.
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9 *
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10 * This code is distributed in the hope that it will be useful, but WITHOUT
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * version 2 for more details (a copy is included in the LICENSE file that
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14 * accompanied this code).
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15 *
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16 * You should have received a copy of the GNU General Public License version
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17 * 2 along with this work; if not, write to the Free Software Foundation,
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 *
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 * or visit www.oracle.com if you need additional information or have any
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22 * questions.
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23 *
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24 */
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26 #ifndef CPU_ZERO_VM_GLOBALDEFINITIONS_ZERO_HPP
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27 #define CPU_ZERO_VM_GLOBALDEFINITIONS_ZERO_HPP
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29 #include <ffi.h>
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31 // Indicates whether the C calling conventions require that
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32 // 32-bit integer argument values are properly extended to 64 bits.
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33 // If set, SharedRuntime::c_calling_convention() must adapt
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34 // signatures accordingly.
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35 const bool CCallingConventionRequiresIntsAsLongs = false;
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37 #endif // CPU_ZERO_VM_GLOBALDEFINITIONS_ZERO_HPP