diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/dl-mseal.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/dl-mseal.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/dl-mseal.h b/sysdeps/unix/sysv/linux/dl-mseal.h new file mode 100644 index 0000000000..89b19e33c4 --- /dev/null +++ b/sysdeps/unix/sysv/linux/dl-mseal.h @@ -0,0 +1,29 @@ +/* Memory sealing. Linux version. + Copyright (C) 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/>. */ + +/* Seal the ADDR or size LEN to protect against modifications, 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. + + Return 0 in case of success or a negative value otherwise (a negative + errno). */ +int _dl_mseal (void *addr, size_t len) attribute_hidden; + +#define SUPPORT_MSEAL lt_seal_toseal |