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