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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/* Copyright (C) 1997-2022 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>
/* This source produces 3 functions:
__sigsetjmp (jmpbuf,savemask)
setjmp (jmpbuf) - equivalent to __sigsetjump (jmpbuf, 1)
_setjmp (jmpbuf) - equivalent to __sigsetjump (jmpbuf, 0)
*/
#ifndef setjmp_name
# define setjmp_name __sigsetjmp
# define SET_MASK_ARG
#else
# define SET_MASK_ARG addik r6,r0,SAVEMASK
#endif
ENTRY (setjmp_name)
swi r1,r5,0
swi r2,r5,4
swi r13,r5,8
swi r14,r5,12
swi r15,r5,16
swi r16,r5,20
swi r17,r5,24
swi r18,r5,28
swi r19,r5,32
swi r20,r5,36
swi r21,r5,40
swi r22,r5,44
swi r23,r5,48
swi r24,r5,52
swi r25,r5,56
swi r26,r5,60
swi r27,r5,64
swi r28,r5,68
swi r29,r5,72
swi r30,r5,76
swi r31,r5,80
SET_MASK_ARG
/* Make a tail call to __sigjmp_save; it takes the same args. */
#ifdef PIC
/* We cannot use the PLT, because it requires that r20 be set, but
we can't save and restore our caller's value. Instead, we do an
indirect jump through the GOT, using the temporary register
%ecx, which is call-clobbered. */
mfs r12,rpc
addik r12,r12,_GLOBAL_OFFSET_TABLE_+8
lwi r12,r12,__sigjmp_save@GOT
brad r12
#else
brid __sigjmp_save
#endif
nop
END (setjmp_name)
libc_hidden_def (setjmp_name)
|
