blob: 45ee1234b97db3293516fa7782067e497a9822b1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. x86-64 version.
Copyright (C) 1994-2017 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/>. */
/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
We cannot do it in C because it must be a tail-call, so frame-unwinding
in setjmp doesn't clobber the state restored by longjmp. */
#include <sysdep.h>
#define _ASM
#define _SETJMP_H
#include <bits/setjmp.h>
ENTRY (setjmp)
/* Set up arguments, we only need to set the 2nd arg. */
movl $1, %esi
#ifdef PIC
jmp HIDDEN_JUMPTARGET (__sigsetjmp)
#else
jmp __sigsetjmp
#endif
END (setjmp)
|
