diff options
Diffstat (limited to 'sysdeps/generic/dl-osinfo.h')
-rw-r--r-- | sysdeps/generic/dl-osinfo.h | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/sysdeps/generic/dl-osinfo.h b/sysdeps/generic/dl-osinfo.h deleted file mode 100644 index cdee4124d4..0000000000 --- a/sysdeps/generic/dl-osinfo.h +++ /dev/null @@ -1,59 +0,0 @@ -/* Operating system specific code for generic dynamic loader functions. - Copyright (C) 2009-2017 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 <endian.h> -#include <stdint.h> - -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 = { 0 }; - - if (dl_random == NULL) - { - ret.bytes[sizeof (ret) - 1] = 255; - ret.bytes[sizeof (ret) - 2] = '\n'; - } - else - { - 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; - if (dl_random == NULL) - ret = stack_chk_guard; - else - memcpy (&ret, (char *) dl_random + sizeof (ret), sizeof (ret)); - return ret; -} |