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
|
/* Copyright (C) 2001, 2003 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
see <http://www.gnu.org/licenses/>. */
#include <features.h>
#include "sysdep.h"
/* The syscall stubs jump here when they detect an error, bot for PIC and
non-PIC. */
.syntax no_register_prefix
ENTRY (__syscall_error)
neg.d r10,r10
#ifdef __UCLIBC_HAS_THREADS__
subq 4,sp
move.d r10,[sp]
subq 4,sp
move srp,[sp]
/* Note that __syscall_error is only visible within this library,
and no-one passes it on as a pointer, so can assume that R0 (GOT
pointer) is correctly set up. */
PLTCALL (HIDDEN_JUMPTARGET(__errno_location))
move [sp+],srp
move.d [sp+],r11
move.d r11,[r10]
#else /* not __UCLIBC_HAS_THREADS__ */
#ifdef __arch_v32
# ifdef __PIC__
addo.d C_SYMBOL_NAME(errno:GOT),r0,acr
move.d [acr],r9
move.d r10,[r9]
# else /* not __PIC__ */
lapc C_SYMBOL_NAME(errno),acr
move.d r10,[r9]
# endif /* not __PIC__ */
#else /* not __arch_v32 */
# ifdef __PIC__
move.d [r0+C_SYMBOL_NAME(errno:GOT)],r9
move.d r10,[r9]
# else
move.d r10,[C_SYMBOL_NAME(errno)]
# endif
#endif /* not __arch_v32 */
#endif /* __UCLIBC_HAS_THREADS__ */
#ifdef __PIC__
/* PIC callers are supposed to have R0 on stack, ready for us to restore.
Callers are only allowed from within this DSO, so the GOT in r0 is the
one we want to use.
(Don't use "ret" - it's a macro). */
moveq -1,r10
Ret
move.d [sp+],r0
#else
Ret
moveq -1,r10
#endif
END (__syscall_error)
|
