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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/* Copyright (C) 1998 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. */
#include <sysdep.h>
#define _ERRNO_H 1
#include <bits/errno.h>
/* The problem here is that initially we made struct timeval compatible with
OSF/1, using int32. But we defined time_t with uint64, and later found
that POSIX requires tv_sec to be time_t.
So now we have to do compatibility stuff. */
/* The variable is shared between all wrappers around signal handling
functions which have RT equivalents. */
.comm __libc_missing_axp_tv64, 4
.text
#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
#define GETTIMEOFDAY __gettimeofday_tv64
#else
#define GETTIMEOFDAY __gettimeofday
#endif
LEAF(GETTIMEOFDAY, 16)
ldgp gp, 0(pv)
subq sp, 16, sp
#ifdef PROF
.set noat
lda AT, _mcount
jsr AT, (AT), _mcount
.set at
#endif
.prologue 1
ldl t0, __libc_missing_axp_tv64
/* Save arguments in case we do need to fall back. */
stq a0, 0(sp)
stq a1, 8(sp)
bne t0, $do32
ldi v0, SYS_ify(gettimeofday)
callsys
bne a3, $err64
/* Everything ok. */
addq sp, 16, sp
ret
/* If we didn't get ENOSYS, it is a real error. */
.align 3
$err64: cmpeq v0, ENOSYS, t0
beq t0, $error
stl t0, __libc_missing_axp_tv64
/* Recover the saved arguments. */
ldq a1, 8(sp)
ldq a0, 0(sp)
.align 3
$do32: ldi v0, SYS_ify(osf_gettimeofday)
callsys
bne a3, $error
/* Copy back to proper format. */
ldq a0, 0(sp)
beq a0, 2f
ldl t0, 0(a0)
ldl t1, 4(a0)
stq t0, 0(a0)
stq t1, 0(a0)
2: addq sp, 16, sp
ret
.align 3
$error:
addq sp, 16, sp
jmp zero, __syscall_error
END(GETTIMEOFDAY)
#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
default_symbol_version (__gettimeofday_tv64, __gettimeofday, GLIBC_2.1)
/* It seems to me to be a misfeature of the assembler that we can only
have one version-alias per symbol. So create an alias ourselves.
The 'p' is for 'public'. *Shrug* */
strong_alias (__gettimeofday_tv64, __gettimeofday_tv64p)
default_symbol_version (__gettimeofday_tv64p, gettimeofday, GLIBC_2.1)
#else
weak_alias (__gettimeofday, gettimeofday)
#endif
|
