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e9d1be84be
Avoid infinite include loops, especially with bits/wordsize.h which is now possible with the synthesized headers since we now also synthesize bits/wordsize.h itelf for some arches e.g. arm/aarch64 In cases where extra preprocessing tools are used such as clang-tidy e.g. and these tools are not passed the knowledge about architecture then case comes where we enter into header include loop for bits/wordsize.h, since this template does explicitly include bits/wordsize.h To fix this emits the pragma once at beginning of file, this is better solution than include guards, and pragma once is practically supported on all compilers except few e.g. cray c/c++ compiler (From OE-Core rev: 6ab11ac25bb987642d5ca1a07f4bd5f30c66c9c5) (From OE-Core rev: 8f00480fe826ebaff2b78796d757b9e2734f2deb) Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Armin Kuster <akuster808@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/*
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* Copyright (C) 2005-2011 by Wind River Systems, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#pragma once
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#if defined (__bpf__)
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#define __MHWORDSIZE 64
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#elif defined (__arm__)
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#define __MHWORDSIZE 32
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#elif defined (__aarch64__) && defined ( __LP64__)
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#define __MHWORDSIZE 64
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#elif defined (__aarch64__)
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#define __MHWORDSIZE 32
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#else
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#include <bits/wordsize.h>
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#if defined (__WORDSIZE)
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#define __MHWORDSIZE __WORDSIZE
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#else
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#error "__WORDSIZE is not defined"
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#endif
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#endif
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#if __MHWORDSIZE == 32
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#ifdef _MIPS_SIM
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#if _MIPS_SIM == _ABIO32
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#include <ENTER_HEADER_FILENAME_HERE-32.h>
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#elif _MIPS_SIM == _ABIN32
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#include <ENTER_HEADER_FILENAME_HERE-n32.h>
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#else
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#error "Unknown _MIPS_SIM"
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#endif
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#else /* _MIPS_SIM is not defined */
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#include <ENTER_HEADER_FILENAME_HERE-32.h>
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#endif
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#elif __MHWORDSIZE == 64
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#include <ENTER_HEADER_FILENAME_HERE-64.h>
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#else
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#error "Unknown __WORDSIZE detected"
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#endif /* matches #if __WORDSIZE == 32 */
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