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29 lines
1.3 KiB
C
29 lines
1.3 KiB
C
/* Define macros for stack address aliasing issues for NPTL. i686 version.
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Copyright (C) 2014-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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<http://www.gnu.org/licenses/>. */
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/* It turns out that stack coloring is in general not good on P4s. Some
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applications will benefit. We will probably have a configuration option
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at some point. To enable coloring, set this to 128. */
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#define COLORING_INCREMENT 0
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/* What is useful is to avoid the 64k aliasing problem which reliably
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happens if all stacks use sizes which are a multiple of 64k. Tell
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the stack allocator to disturb this by allocation one more page if
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necessary. */
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#define MULTI_PAGE_ALIASING 65536
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