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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/* Copyright (C) 1991-2019 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 <sysdep.h>
#include <sys/trap.h>
#include <jmpbuf-offsets.h>
ENTRY(_setjmp)
b 1f
set 0, %o1
END(_setjmp)
libc_hidden_def (_setjmp)
ENTRY(setjmp)
set 1, %o1
END(setjmp)
ENTRY (__sigsetjmp)
1:
/* Save our PC, SP and FP. Save the signal mask if requested with
a tail-call for simplicity; it always returns zero. */
ta ST_FLUSH_WINDOWS
#ifdef PTR_MANGLE
PTR_MANGLE (%g1, %o7, %g4)
PTR_MANGLE2 (%g2, %sp, %g4)
PTR_MANGLE2 (%g3, %fp, %g4)
st %g1, [%o0 + (JB_PC * 4)]
st %g2, [%o0 + (JB_SP * 4)]
st %g3, [%o0 + (JB_FP * 4)]
#else
st %o7, [%o0 + (JB_PC * 4)]
st %sp, [%o0 + (JB_SP * 4)]
st %fp, [%o0 + (JB_FP * 4)]
#endif
mov %o7, %g1
call __sigjmp_save
mov %g1, %o7
END(__sigsetjmp)
hidden_def (__sigsetjmp)
weak_extern(_setjmp)
weak_extern(setjmp)
|
