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authorThomas Bushnell, BSG <thomas@gnu.org>1996-09-11 02:48:08 +0000
committerThomas Bushnell, BSG <thomas@gnu.org>1996-09-11 02:48:08 +0000
commit158ff48e348ece17fbda4d9b3c152df2f7cc76d0 (patch)
treeca32ddb72f8448cca126b5ce369bef67310cfeb3 /elf/dl-cache.c
parentda74e90200dd19f2f40a47135759eab62e8bfce7 (diff)
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*** empty log message ***cvs/libc-960911
Tue Sep 10 14:42:39 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * elf/dl-cache.c: Rename to ... * sysdeps/generic/dl-cache.c: ... here. * sysdeps/mach/hurd/dl-cache.c: New file. * mach/Makefile (distribute): Add `errsystems.awk'. * hurd/Makefile (distribute): Add `Notes' and `intr-msg.h'. * hurd/hurdintr.awk: Delete file. (Not used in ages.) * hurd/intr-rpc.awk: Likewise. * hurd/invoke-trans.c: Likewise. * sysdeps/mach/hurd/i386/longjmp-ctx.c: Likewise. * sysdeps/mach/hurd/alpha/longjmp-ctx.c: Likewise. * sysdeps/mach/hurd/mips/longjmp-ctx.c: Likewise. * sysdeps/mach/hurd/i386/init-fault.c: Likewise. * sysdeps/mach/hurd/mips/init-fault.c: Likewise. * sysdeps/stub/init-fault.c: Likewise. * sysdeps/stub/longjmp-ctx.c: Likewise. Thu Sep 5 08:58:47 1996 Richard Henderson <rth@tamu.edu> * sysdeps/alpha/elf/start.S: Make _start global again.
Diffstat (limited to 'elf/dl-cache.c')
-rw-r--r--elf/dl-cache.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/elf/dl-cache.c b/elf/dl-cache.c
deleted file mode 100644
index 6cd454c..0000000
--- a/elf/dl-cache.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/* Support for reading /etc/ld.so.cache files written by Linux ldconfig.
-Copyright (C) 1996 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 Library General Public License as
-published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
-#include <link.h>
-#include <stddef.h>
-#include <sys/mman.h>
-
-/* System-dependent function to read a file's whole contents
- in the most convenient manner available. */
-extern void *_dl_sysdep_read_whole_file (const char *filename,
- size_t *filesize_ptr,
- int mmap_prot);
-
-#define CACHEMAGIC "ld.so-1.7.0"
-
-struct cache_file
- {
- char magic[sizeof CACHEMAGIC - 1];
- unsigned int nlibs;
- struct
- {
- int flags; /* This is 1 for an ELF library. */
- unsigned int key, value; /* String table indices. */
- } libs[0];
- };
-
-/* Look up NAME in ld.so.cache and return the file name stored there,
- or null if none is found. */
-
-const char *
-_dl_load_cache_lookup (const char *name)
-{
- static struct cache_file *cache;
- static size_t cachesize;
- unsigned int i;
-
- if (cache == (void *) -1)
- /* Previously looked for the cache file and didn't find it. */
- return NULL;
-
- if (cache == NULL)
- {
- /* Read the contents of the file. */
- void *file = _dl_sysdep_read_whole_file ("/etc/ld.so.cache", &cachesize,
- PROT_READ);
- if (file && cachesize > sizeof *cache &&
- !memcmp (file, CACHEMAGIC, sizeof CACHEMAGIC - 1))
- /* Looks ok. */
- cache = file;
- else
- {
- if (file)
- __munmap (file, cachesize);
- cache = (void *) -1;
- return NULL;
- }
- }
-
- for (i = 0; i < cache->nlibs; ++i)
- if (cache->libs[i].flags == 1 && /* ELF library entry. */
- /* Make sure string table indices are not bogus before using them. */
- cache->libs[i].key < cachesize - sizeof *cache &&
- cache->libs[i].value < cachesize - sizeof *cache &&
- /* Does the name match? */
- ! strcmp (name, ((const char *) &cache->libs[cache->nlibs] +
- cache->libs[i].key)))
- return (const char *) &cache->libs[cache->nlibs] + cache->libs[i].value;
-
- return NULL;
-}