sysdeps/generic/ldconfig.h

   1 /* Copyright (C) 1999-2022 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 isa_level, uint64_t hwcap,
  74                           struct glibc_hwcaps_subdirectory *);
  75
  76 extern void init_aux_cache (void);
  77
  78 extern void load_aux_cache (const char *aux_cache_name);
  79
  80 extern int search_aux_cache (struct stat *stat_buf, int *flags,
  81                              unsigned int *isa_level, char **soname);
  82
  83 extern void add_to_aux_cache (struct stat *stat_buf, int flags,
  84                               unsigned int isa_level, const char *soname);
  85
  86 extern void save_aux_cache (const char *aux_cache_name);
  87
  88 /* Declared in readlib.c.  */
  89 extern int process_file (const char *real_file_name, const char *file_name,
  90                          const char *lib, int *flag, unsigned int *isa_level,
  91                          char **soname, int is_link, struct stat *stat_buf);
  92
  93 extern char *implicit_soname (const char *lib, int flag);
  94
  95 /* Declared in readelflib.c.  */
  96 extern int process_elf_file (const char *file_name, const char *lib,
  97                              int *flag, unsigned int *isa_level, char **soname,
  98                              void *file_contents, size_t file_length);
  99
 100 /* Declared in chroot_canon.c.  */
 101 extern char *chroot_canon (const char *chroot, const char *name);
 102
 103 /* Declared in ldconfig.c.  */
 104 extern int opt_verbose;
 105
 106 enum opt_format
 107   {
 108     opt_format_old = 0, /* Use struct cache_file.  */
 109     opt_format_compat = 1, /* Use both, old format followed by new.  */
 110     opt_format_new = 2, /* Use struct cache_file_new.  */
 111   };
 112
 113 extern enum opt_format opt_format;
 114
 115 /* Prototypes for a few program-wide used functions.  */
 116 #include <programs/xmalloc.h>
 117
 118 #endif /* ! _LDCONFIG_H  */