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Diffstat (limited to 'sysdeps/unix/sysv/linux/dl-osinfo.h')
-rw-r--r--sysdeps/unix/sysv/linux/dl-osinfo.h79
1 files changed, 0 insertions, 79 deletions
diff --git a/sysdeps/unix/sysv/linux/dl-osinfo.h b/sysdeps/unix/sysv/linux/dl-osinfo.h
deleted file mode 100644
index 823cd8224d..0000000000
--- a/sysdeps/unix/sysv/linux/dl-osinfo.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/* Operating system specific code for generic dynamic loader functions. Linux.
- Copyright (C) 2000-2017 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
- <http://www.gnu.org/licenses/>. */
-
-#include <dl-sysdep.h>
-#include <endian.h>
-#include <fcntl.h>
-#include <stdint.h>
-#include <not-cancel.h>
-
-#ifndef MIN
-# define MIN(a,b) (((a)<(b))?(a):(b))
-#endif
-
-#define DL_SYSDEP_OSCHECK(FATAL) \
- do { \
- /* Test whether the kernel is new enough. This test is only performed \
- if the library is not compiled to run on all kernels. */ \
- \
- int version = _dl_discover_osversion (); \
- if (__glibc_likely (version >= 0)) \
- { \
- if (__builtin_expect (GLRO(dl_osversion) == 0, 1) \
- || GLRO(dl_osversion) > version) \
- GLRO(dl_osversion) = version; \
- \
- /* Now we can test with the required version. */ \
- if (__LINUX_KERNEL_VERSION > 0 && version < __LINUX_KERNEL_VERSION) \
- /* Not sufficent. */ \
- FATAL ("FATAL: kernel too old\n"); \
- } \
- else if (__LINUX_KERNEL_VERSION > 0) \
- FATAL ("FATAL: cannot determine kernel version\n"); \
- } while (0)
-
-static inline uintptr_t __attribute__ ((always_inline))
-_dl_setup_stack_chk_guard (void *dl_random)
-{
- union
- {
- uintptr_t num;
- unsigned char bytes[sizeof (uintptr_t)];
- } ret;
-
- /* We need in the moment only 8 bytes on 32-bit platforms and 16
- bytes on 64-bit platforms. Therefore we can use the data
- directly and not use the kernel-provided data to seed a PRNG. */
- memcpy (ret.bytes, dl_random, sizeof (ret));
-#if BYTE_ORDER == LITTLE_ENDIAN
- ret.num &= ~(uintptr_t) 0xff;
-#elif BYTE_ORDER == BIG_ENDIAN
- ret.num &= ~((uintptr_t) 0xff << (8 * (sizeof (ret) - 1)));
-#else
-# error "BYTE_ORDER unknown"
-#endif
- return ret.num;
-}
-
-static inline uintptr_t __attribute__ ((always_inline))
-_dl_setup_pointer_guard (void *dl_random, uintptr_t stack_chk_guard)
-{
- uintptr_t ret;
- memcpy (&ret, (char *) dl_random + sizeof (ret), sizeof (ret));
- return ret;
-}