Warning: This file is not a C or C++ file. It does not have highlighting.
| 1 | /* Support for reading /etc/ld.so.cache files written by Linux ldconfig. |
|---|---|
| 2 | Copyright (C) 2022-2024 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 | #include <assert.h> |
| 21 | |
| 22 | #if defined __loongarch_double_float |
| 23 | # define _DL_CACHE_DEFAULT_ID (FLAG_LARCH_FLOAT_ABI_DOUBLE | FLAG_ELF_LIBC6) |
| 24 | #else |
| 25 | # define _DL_CACHE_DEFAULT_ID (FLAG_LARCH_FLOAT_ABI_SOFT | FLAG_ELF_LIBC6) |
| 26 | #endif |
| 27 | |
| 28 | #define _dl_cache_check_flags(flags) \ |
| 29 | ((flags) == _DL_CACHE_DEFAULT_ID) |
| 30 | |
| 31 | /* If given a path to one of our library directories, adds every library |
| 32 | directory via add_dir (), otherwise just adds the giver directory. On |
| 33 | LoongArch, libraries can be found in paths ending in: |
| 34 | - /lib64 |
| 35 | - /lib64/sf |
| 36 | so this will add all of those paths. */ |
| 37 | |
| 38 | #define add_system_dir(dir) \ |
| 39 | do \ |
| 40 | { \ |
| 41 | static const char* lib_dirs[] = { \ |
| 42 | "/lib64", \ |
| 43 | "/lib64/sf", \ |
| 44 | NULL, \ |
| 45 | }; \ |
| 46 | const size_t lib_len = sizeof ("/lib") - 1; \ |
| 47 | size_t len = strlen (dir); \ |
| 48 | char path[len + 6]; \ |
| 49 | const char **ptr; \ |
| 50 | \ |
| 51 | memcpy (path, dir, len + 1); \ |
| 52 | \ |
| 53 | for (ptr = lib_dirs; *ptr != NULL; ptr++) \ |
| 54 | { \ |
| 55 | const char *lib_dir = *ptr; \ |
| 56 | size_t dir_len = strlen (lib_dir); \ |
| 57 | \ |
| 58 | if (len >= dir_len \ |
| 59 | && !memcmp (path + len - dir_len, lib_dir, dir_len)) \ |
| 60 | { \ |
| 61 | len -= dir_len - lib_len; \ |
| 62 | path[len] = '\0'; \ |
| 63 | break; \ |
| 64 | } \ |
| 65 | } \ |
| 66 | add_dir (path); \ |
| 67 | if (len >= lib_len \ |
| 68 | && !memcmp (path + len - lib_len, "/lib", lib_len)) \ |
| 69 | for (ptr = lib_dirs; *ptr != NULL; ptr++) \ |
| 70 | { \ |
| 71 | const char *lib_dir = *ptr; \ |
| 72 | size_t dir_len = strlen (lib_dir); \ |
| 73 | \ |
| 74 | assert (dir_len >= lib_len); \ |
| 75 | memcpy (path + len, lib_dir + lib_len, \ |
| 76 | dir_len - lib_len + 1); \ |
| 77 | add_dir (path); \ |
| 78 | } \ |
| 79 | } while (0) |
| 80 | |
| 81 | |
| 82 | #include_next <dl-cache.h> |
| 83 |
Warning: This file is not a C or C++ file. It does not have highlighting.