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42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* x86 CET tuning.
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This file is part of the GNU C Library.
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Copyright (C) 2018-2023 Free Software Foundation, Inc.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _CET_CONTROL_H
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#define _CET_CONTROL_H
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/* For each CET feature, IBT and SHSTK, valid control values. */
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enum dl_x86_cet_control
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{
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/* Enable CET features based on ELF property note. */
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cet_elf_property = 0,
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/* Always enable CET features. */
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cet_always_on,
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/* Always disable CET features. */
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cet_always_off,
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/* Enable CET features permissively. */
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cet_permissive
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};
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struct dl_x86_feature_control
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{
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enum dl_x86_cet_control ibt : 2;
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enum dl_x86_cet_control shstk : 2;
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};
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#endif /* cet-control.h */
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