/* Define macros for stack address aliasing issues for NPTL. i686 version. Copyright (C) 2014-2017 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ /* It turns out that stack coloring is in general not good on P4s. Some applications will benefit. We will probably have a configuration option at some point. To enable coloring, set this to 128. */ #define COLORING_INCREMENT 0 /* What is useful is to avoid the 64k aliasing problem which reliably happens if all stacks use sizes which are a multiple of 64k. Tell the stack allocator to disturb this by allocation one more page if necessary. */ #define MULTI_PAGE_ALIASING 65536