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| 1 | /* Support for reading /etc/ld.so.cache files written by Linux ldconfig. |
|---|---|
| 2 | Copyright (C) 2003-2022 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 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <ldconfig.h> |
| 20 | |
| 21 | #ifdef __LP64__ |
| 22 | # define _DL_CACHE_DEFAULT_ID (FLAG_AARCH64_LIB64 | FLAG_ELF_LIBC6) |
| 23 | #else |
| 24 | # define _DL_CACHE_DEFAULT_ID (FLAG_AARCH64_LIB32 | FLAG_ELF_LIBC6) |
| 25 | #endif |
| 26 | |
| 27 | #define _dl_cache_check_flags(flags) \ |
| 28 | ((flags) == _DL_CACHE_DEFAULT_ID) |
| 29 | |
| 30 | #define add_system_dir(dir) \ |
| 31 | do \ |
| 32 | { \ |
| 33 | size_t len = strlen (dir); \ |
| 34 | char path[len + 6]; \ |
| 35 | memcpy (path, dir, len + 1); \ |
| 36 | if (len >= 6 && ! memcmp (path + len - 6, "/lib64", 6)) \ |
| 37 | { \ |
| 38 | len -= 2; \ |
| 39 | path[len] = '\0'; \ |
| 40 | } \ |
| 41 | if (len >= 9 && ! memcmp (path + len - 9, "/libilp32", 9))\ |
| 42 | { \ |
| 43 | len -= 5; \ |
| 44 | path[len] = '\0'; \ |
| 45 | } \ |
| 46 | add_dir (path); \ |
| 47 | if (len >= 4 && ! memcmp (path + len - 4, "/lib", 4)) \ |
| 48 | { \ |
| 49 | memcpy (path + len, "64", 3); \ |
| 50 | add_dir (path); \ |
| 51 | memcpy (path + len, "ilp32", 6); \ |
| 52 | add_dir (path); \ |
| 53 | } \ |
| 54 | } while (0) |
| 55 | |
| 56 | #include_next <dl-cache.h> |
| 57 |
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