sysdeps/generic/ldconfig.h

   1 /* Copyright (C) 2022-2024 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_X8664_LIB64                0x0300
  34 #define FLAG_S390_LIB64                 0x0400
  35 #define FLAG_POWERPC_LIB64              0x0500
  36 #define FLAG_MIPS64_LIBN32              0x0600
  37 #define FLAG_MIPS64_LIBN64              0x0700
  38 #define FLAG_X8664_LIBX32               0x0800
  39 #define FLAG_ARM_LIBHF                  0x0900
  40 #define FLAG_AARCH64_LIB64              0x0a00
  41 #define FLAG_ARM_LIBSF                  0x0b00
  42 #define FLAG_MIPS_LIB32_NAN2008         0x0c00
  43 #define FLAG_MIPS64_LIBN32_NAN2008      0x0d00
  44 #define FLAG_MIPS64_LIBN64_NAN2008      0x0e00
  45 #define FLAG_RISCV_FLOAT_ABI_SOFT       0x0f00
  46 #define FLAG_RISCV_FLOAT_ABI_DOUBLE     0x1000
  47 #define FLAG_LARCH_FLOAT_ABI_SOFT       0x1100
  48 #define FLAG_LARCH_FLOAT_ABI_DOUBLE     0x1200
  49
  50 /* Name of auxiliary cache.  */
  51 #define _PATH_LDCONFIG_AUX_CACHE "/var/cache/ldconfig/aux-cache"
  52
  53 /* Declared in cache.c.  */
  54 extern void print_cache (const char *cache_name);
  55
  56 extern void init_cache (void);
  57
  58 extern void save_cache (const char *cache_name);
  59
  60 struct glibc_hwcaps_subdirectory;
  61
  62 /* Return a struct describing the subdirectory for NAME.  Reuse an
  63    existing struct if it exists.  */
  64 struct glibc_hwcaps_subdirectory *new_glibc_hwcaps_subdirectory
  65   (const char *name);
  66
  67 /* Returns the name that was specified when
  68    add_glibc_hwcaps_subdirectory was called.  */
  69 const char *glibc_hwcaps_subdirectory_name
  70   (const struct glibc_hwcaps_subdirectory *);
  71
  72 extern void add_to_cache (const char *path, const char *filename,
  73                           const char *soname, int flags,
  74                           unsigned int isa_level,
  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 stat *stat_buf, int *flags,
  82                              unsigned int *isa_level, char **soname);
  83
  84 extern void add_to_aux_cache (struct stat *stat_buf, int flags,
  85                               unsigned int isa_level, const char *soname);
  86
  87 extern void save_aux_cache (const char *aux_cache_name);
  88
  89 /* Declared in readlib.c.  */
  90 extern int process_file (const char *real_file_name, const char *file_name,
  91                          const char *lib, int *flag, unsigned int *isa_level,
  92                          char **soname, int is_link, struct stat *stat_buf);
  93
  94 /* Declared in readelflib.c.  */
  95 extern int process_elf_file (const char *file_name, const char *lib,
  96                              int *flag, unsigned int *isa_level, char **soname,
  97                              void *file_contents, size_t file_length);
  98
  99 /* Declared in chroot_canon.c.  */
 100 extern char *chroot_canon (const char *chroot, const char *name);
 101
 102 /* Declared in ldconfig.c.  */
 103 extern int opt_verbose;
 104
 105 enum opt_format
 106   {
 107     opt_format_old = 0, /* Use struct cache_file.  */
 108     opt_format_compat = 1, /* Use both, old format followed by new.  */
 109     opt_format_new = 2, /* Use struct cache_file_new.  */
 110   };
 111
 112 extern enum opt_format opt_format;
 113
 114 /* Prototypes for a few program-wide used functions.  */
 115 #include <programs/xmalloc.h>
 116
 117 #endif /* ! _LDCONFIG_H  */