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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 | #if ((defined __mips_nan2008 && !defined HAVE_MIPS_NAN2008) \ |
| 22 | || (!defined __mips_nan2008 && defined HAVE_MIPS_NAN2008)) |
| 23 | # error "Configuration inconsistency: __mips_nan2008 != HAVE_MIPS_NAN2008, overridden CFLAGS?" |
| 24 | #endif |
| 25 | |
| 26 | /* Redefine the cache ID for new ABIs and 2008 NaN support; legacy o32 |
| 27 | keeps using the generic check. */ |
| 28 | #ifdef __mips_nan2008 |
| 29 | # if _MIPS_SIM == _ABIO32 |
| 30 | # define _DL_CACHE_DEFAULT_ID (FLAG_MIPS_LIB32_NAN2008 | FLAG_ELF_LIBC6) |
| 31 | # elif _MIPS_SIM == _ABI64 |
| 32 | # define _DL_CACHE_DEFAULT_ID (FLAG_MIPS64_LIBN64_NAN2008 | FLAG_ELF_LIBC6) |
| 33 | # elif _MIPS_SIM == _ABIN32 |
| 34 | # define _DL_CACHE_DEFAULT_ID (FLAG_MIPS64_LIBN32_NAN2008 | FLAG_ELF_LIBC6) |
| 35 | # endif |
| 36 | #else |
| 37 | # if _MIPS_SIM == _ABI64 |
| 38 | # define _DL_CACHE_DEFAULT_ID (FLAG_MIPS64_LIBN64 | FLAG_ELF_LIBC6) |
| 39 | # elif _MIPS_SIM == _ABIN32 |
| 40 | # define _DL_CACHE_DEFAULT_ID (FLAG_MIPS64_LIBN32 | FLAG_ELF_LIBC6) |
| 41 | # endif |
| 42 | #endif |
| 43 | |
| 44 | #ifdef _DL_CACHE_DEFAULT_ID |
| 45 | # define _dl_cache_check_flags(flags) \ |
| 46 | ((flags) == _DL_CACHE_DEFAULT_ID) |
| 47 | #endif |
| 48 | |
| 49 | #define add_system_dir(dir) \ |
| 50 | do \ |
| 51 | { \ |
| 52 | size_t len = strlen (dir); \ |
| 53 | char path[len + 3]; \ |
| 54 | memcpy (path, dir, len + 1); \ |
| 55 | if (len >= 6 \ |
| 56 | && (! memcmp (path + len - 6, "/lib64", 6) \ |
| 57 | || ! memcmp (path + len - 6, "/lib32", 6))) \ |
| 58 | { \ |
| 59 | len -= 2; \ |
| 60 | path[len] = '\0'; \ |
| 61 | } \ |
| 62 | add_dir (path); \ |
| 63 | if (len >= 4 && ! memcmp (path + len - 4, "/lib", 4)) \ |
| 64 | { \ |
| 65 | memcpy (path + len, "32", 3); \ |
| 66 | add_dir (path); \ |
| 67 | memcpy (path + len, "64", 3); \ |
| 68 | add_dir (path); \ |
| 69 | } \ |
| 70 | } while (0) |
| 71 | |
| 72 | #include_next <dl-cache.h> |
| 73 |
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