2017-08-01 16:14:21 +02:00
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/* Support for ARM EABI unwinding in VxWorks Downloadable Kernel Modules.
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2018-01-03 11:03:58 +01:00
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Copyright (C) 2017-2018 Free Software Foundation, Inc.
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2017-08-01 16:14:21 +02:00
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This file is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3, or (at your option) any
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later version.
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This file is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#if defined(__vxworks) && !defined (__RTP__)
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/* Vxworks for ARM uses __gnu_Unwind_Find_exidx to retrieve the exception
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table for downloadable kernel modules. As those modules are only partially
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linked, the linker won't generate __exidx_start|end, but the two symbols
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are still used in alternate paths from unwind-arm-common.inc.
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As we don't rely on them, but still need the symbols, we define dummy
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values here. */
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void *__exidx_start __attribute__((__visibility__ ("hidden")));
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void *__exidx_end __attribute__((__visibility__ ("hidden")));
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#endif
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