glibc/sysdeps/unix/sysv/linux/dl-mseal.h

32 lines
1.3 KiB
C

/* Memory sealing. Linux version.
Copyright (C) 2025 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/>. */
#ifndef _DL_MSEAL_H
#define _DL_MSEAL_H
/* Seal the ADDR or size LEN to protect against fruthermodifications, such as
changes on the permission flags (through mprotect), remap (through
mmap and/or remap), shrink, destruction changes (madvise with
MADV_DONTNEED), or change its size. The input has the same constraints
as the mseal syscall.
Any error than than unsupported by the kerneltriggers a _dl_signal_error. */
void _dl_mseal (void *addr, size_t len, const char *object) attribute_hidden;
#endif