1 /* Copyright (C) 1999-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #ifndef _LDCONFIG_H 19 #define _LDCONFIG_H 20 21 #include <stddef.h> 22 #include <stdint.h> 23 #include <sys/stat.h> 24 25 #define FLAG_ANY -1 26 #define FLAG_TYPE_MASK 0x00ff 27 #define FLAG_LIBC4 0x0000 28 #define FLAG_ELF 0x0001 29 #define FLAG_ELF_LIBC5 0x0002 30 #define FLAG_ELF_LIBC6 0x0003 31 #define FLAG_REQUIRED_MASK 0xff00 32 #define FLAG_SPARC_LIB64 0x0100 33 #define FLAG_IA64_LIB64 0x0200 34 #define FLAG_X8664_LIB64 0x0300 35 #define FLAG_S390_LIB64 0x0400 36 #define FLAG_POWERPC_LIB64 0x0500 37 #define FLAG_MIPS64_LIBN32 0x0600 38 #define FLAG_MIPS64_LIBN64 0x0700 39 #define FLAG_X8664_LIBX32 0x0800 40 #define FLAG_ARM_LIBHF 0x0900 41 #define FLAG_AARCH64_LIB64 0x0a00 42 #define FLAG_ARM_LIBSF 0x0b00 43 #define FLAG_MIPS_LIB32_NAN2008 0x0c00 44 #define FLAG_MIPS64_LIBN32_NAN2008 0x0d00 45 #define FLAG_MIPS64_LIBN64_NAN2008 0x0e00 46 #define FLAG_RISCV_FLOAT_ABI_SOFT 0x0f00 47 #define FLAG_RISCV_FLOAT_ABI_DOUBLE 0x1000 48 49 /* Name of auxiliary cache. */ 50 #define _PATH_LDCONFIG_AUX_CACHE "/var/cache/ldconfig/aux-cache" 51 52 /* Declared in cache.c. */ 53 extern void print_cache (const char *cache_name); 54 55 extern void init_cache (void); 56 57 extern void save_cache (const char *cache_name); 58 59 struct glibc_hwcaps_subdirectory; 60 61 /* Return a struct describing the subdirectory for NAME. Reuse an 62 existing struct if it exists. */ 63 struct glibc_hwcaps_subdirectory *new_glibc_hwcaps_subdirectory 64 (const char *name); 65 66 /* Returns the name that was specified when 67 add_glibc_hwcaps_subdirectory was called. */ 68 const char *glibc_hwcaps_subdirectory_name 69 (const struct glibc_hwcaps_subdirectory *); 70 71 extern void add_to_cache (const char *path, const char *filename, 72 const char *soname, int flags, 73 unsigned int osversion, unsigned int isa_level, 74 uint64_t hwcap, 75 struct glibc_hwcaps_subdirectory *); 76 77 extern void init_aux_cache (void); 78 79 extern void load_aux_cache (const char *aux_cache_name); 80 81 extern int search_aux_cache (struct stat64 *stat_buf, int *flags, 82 unsigned int *osversion, 83 unsigned int *isa_level, char **soname); 84 85 extern void add_to_aux_cache (struct stat64 *stat_buf, int flags, 86 unsigned int osversion, 87 unsigned int isa_level, const char *soname); 88 89 extern void save_aux_cache (const char *aux_cache_name); 90 91 /* Declared in readlib.c. */ 92 extern int process_file (const char *real_file_name, const char *file_name, 93 const char *lib, int *flag, 94 unsigned int *osversion, unsigned int *isa_level, 95 char **soname, int is_link, 96 struct stat64 *stat_buf); 97 98 extern char *implicit_soname (const char *lib, int flag); 99 100 /* Declared in readelflib.c. */ 101 extern int process_elf_file (const char *file_name, const char *lib, 102 int *flag, unsigned int *osversion, 103 unsigned int *isa_level, char **soname, 104 void *file_contents, size_t file_length); 105 106 /* Declared in chroot_canon.c. */ 107 extern char *chroot_canon (const char *chroot, const char *name); 108 109 /* Declared in ldconfig.c. */ 110 extern int opt_verbose; 111 112 enum opt_format 113 { 114 opt_format_old = 0, /* Use struct cache_file. */ 115 opt_format_compat = 1, /* Use both, old format followed by new. */ 116 opt_format_new = 2, /* Use struct cache_file_new. */ 117 }; 118 119 extern enum opt_format opt_format; 120 121 /* Prototypes for a few program-wide used functions. */ 122 #include <programs/xmalloc.h> 123 124 #endif /* ! _LDCONFIG_H */ 125