mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 05:20:06 +00:00
3c79234c7a
This mirrors the situation on Hurd. These directories are on the include search part, so #include <pthreadP.h> works after this change on both Hurd and nptl. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/* __libc_siglongjmp for Linux/x86
|
|
Copyright (C) 2018-2021 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 <sysdeps/x86/longjmp.c>
|
|
|
|
#include <pthreadP.h>
|
|
#include <jmp_buf-ssp.h>
|
|
|
|
#ifdef __x86_64__
|
|
# define SHADOW_STACK_POINTER_SIZE 8
|
|
#else
|
|
# define SHADOW_STACK_POINTER_SIZE 4
|
|
#endif
|
|
|
|
/* Assert that the priv field in struct pthread_unwind_buf has space
|
|
to store shadow stack pointer. */
|
|
_Static_assert ((offsetof (struct pthread_unwind_buf, priv)
|
|
<= SHADOW_STACK_POINTER_OFFSET)
|
|
&& ((offsetof (struct pthread_unwind_buf, priv)
|
|
+ sizeof (((struct pthread_unwind_buf *) 0)->priv))
|
|
>= (SHADOW_STACK_POINTER_OFFSET
|
|
+ SHADOW_STACK_POINTER_SIZE)),
|
|
"Shadow stack pointer is not within private storage "
|
|
"of pthread_unwind_buf.");
|