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
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/* Copyright (C) 1992, 1994, 1996, 1997 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define __ASSEMBLY__
#include <sysdep.h>
#define _ASM
#define _SETJMP_H
#include <bits/setjmp.h>
.ent __sigsetjmp
.global __sigsetjmp
__sigsetjmp:
ldgp gp, 0(pv)
$sigsetjmp_local:
subq sp, 16, sp
.frame sp, 16, ra, 0
stq ra, 0(sp)
.mask 0x04000000, -16
#ifdef PROF
.set noat
lda AT, _mcount
jsr AT, (AT), _mcount
.set at
#endif
.prologue 1
stq s0, JB_S0*8(a0)
stq s1, JB_S1*8(a0)
stq s2, JB_S2*8(a0)
stq s3, JB_S3*8(a0)
stq s4, JB_S4*8(a0)
stq s5, JB_S5*8(a0)
stq ra, JB_PC*8(a0)
addq sp, 16, t0
stq fp, JB_FP*8(a0)
stq t0, JB_SP*8(a0)
stt $f2, JB_F2*8(a0)
stt $f3, JB_F3*8(a0)
stt $f4, JB_F4*8(a0)
stt $f5, JB_F5*8(a0)
stt $f6, JB_F6*8(a0)
stt $f7, JB_F7*8(a0)
stt $f8, JB_F8*8(a0)
stt $f9, JB_F9*8(a0)
/* Call to C to (potentially) save our signal mask. */
jsr ra, __sigjmp_save
ldq ra, 0(sp)
addq sp, 16, sp
ret
END(__sigsetjmp)
/* Put these traditional entry points in the same file so that we can
elide much of the nonsense in trying to jmp to the real function. */
ENTRY(_setjmp)
ldgp gp, 0(pv)
mov 0, a1
br $sigsetjmp_local
END(_setjmp)
ENTRY(setjmp)
ldgp gp, 0(pv)
mov 1, a1
br $sigsetjmp_local
END(setjmp)
weak_extern(_setjmp)
weak_extern(setjmp)
|
