| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* Define macros for stack address aliasing issues for NPTL. i686 version. |
| 2 | Copyright (C) 2014-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | /* It turns out that stack coloring is in general not good on P4s. Some |
| 20 | applications will benefit. We will probably have a configuration option |
| 21 | at some point. To enable coloring, set this to 128. */ |
| 22 | #define COLORING_INCREMENT 0 |
| 23 | |
| 24 | /* What is useful is to avoid the 64k aliasing problem which reliably |
| 25 | happens if all stacks use sizes which are a multiple of 64k. Tell |
| 26 | the stack allocator to disturb this by allocation one more page if |
| 27 | necessary. */ |
| 28 | #define MULTI_PAGE_ALIASING 65536 |