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/* Support for reading /etc/ld.so.cache files written by Linux ldconfig.
Copyright (C) 2022-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#include <ldconfig.h>
#include <assert.h>
#if defined __loongarch_double_float
# define _DL_CACHE_DEFAULT_ID (FLAG_LARCH_FLOAT_ABI_DOUBLE | FLAG_ELF_LIBC6)
#else
# define _DL_CACHE_DEFAULT_ID (FLAG_LARCH_FLOAT_ABI_SOFT | FLAG_ELF_LIBC6)
#endif
#define _dl_cache_check_flags(flags) \
((flags) == _DL_CACHE_DEFAULT_ID)
/* If given a path to one of our library directories, adds every library
directory via add_dir (), otherwise just adds the giver directory. On
LoongArch, libraries can be found in paths ending in:
- /lib64
- /lib64/sf
so this will add all of those paths. */
#define add_system_dir(dir) \
do \
{ \
static const char* lib_dirs[] = { \
"/lib64", \
"/lib64/sf", \
NULL, \
}; \
const size_t lib_len = sizeof ("/lib") - 1; \
size_t len = strlen (dir); \
char path[len + 6]; \
const char **ptr; \
\
memcpy (path, dir, len + 1); \
\
for (ptr = lib_dirs; *ptr != NULL; ptr++) \
{ \
const char *lib_dir = *ptr; \
size_t dir_len = strlen (lib_dir); \
\
if (len >= dir_len \
&& !memcmp (path + len - dir_len, lib_dir, dir_len)) \
{ \
len -= dir_len - lib_len; \
path[len] = '\0'; \
break; \
} \
} \
add_dir (path); \
if (len >= lib_len \
&& !memcmp (path + len - lib_len, "/lib", lib_len)) \
for (ptr = lib_dirs; *ptr != NULL; ptr++) \
{ \
const char *lib_dir = *ptr; \
size_t dir_len = strlen (lib_dir); \
\
assert (dir_len >= lib_len); \
memcpy (path + len, lib_dir + lib_len, \
dir_len - lib_len + 1); \
add_dir (path); \
} \
} while (0)
#include_next <dl-cache.h>
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