| 1 | /* Test string/memory functions with size_t in the lower 32 bits of |
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| 2 | 64-bit register. |
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| 3 | Copyright (C) 2019-2024 Free Software Foundation, Inc. |
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| 4 | This file is part of the GNU C Library. |
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| 5 | |
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| 6 | The GNU C Library is free software; you can redistribute it and/or |
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| 7 | modify it under the terms of the GNU Lesser General Public |
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| 8 | License as published by the Free Software Foundation; either |
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| 9 | version 2.1 of the License, or (at your option) any later version. |
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| 10 | |
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| 11 | The GNU C Library is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | Lesser General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU Lesser General Public |
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| 17 | License along with the GNU C Library; if not, see |
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| 18 | <https://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | #define TEST_MAIN |
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| 21 | #include <string/test-string.h> |
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| 22 | |
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| 23 | /* On x32, parameter_t may be passed in a 64-bit register with the LEN |
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| 24 | field in the lower 32 bits. When the LEN field of 64-bit register |
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| 25 | is passed to string/memory function as the size_t parameter, only |
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| 26 | the lower 32 bits can be used. */ |
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| 27 | typedef struct |
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| 28 | { |
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| 29 | union |
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| 30 | { |
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| 31 | size_t len; |
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| 32 | void (*fn) (void); |
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| 33 | }; |
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| 34 | void *p; |
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| 35 | } parameter_t; |
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| 36 | |
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