diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64/allocate-shadow-stack.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/allocate-shadow-stack.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/allocate-shadow-stack.h b/sysdeps/unix/sysv/linux/x86_64/allocate-shadow-stack.h new file mode 100644 index 0000000000..d05aaf16e5 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/allocate-shadow-stack.h @@ -0,0 +1,24 @@ +/* Helper function to allocate shadow stack. + Copyright (C) 2023 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/>. */ + +#include <ucontext.h> + +typedef __typeof (((ucontext_t *) 0)->__ssp[0]) shadow_stack_size_t; + +extern long int __allocate_shadow_stack (size_t, shadow_stack_size_t *) + attribute_hidden; |