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
|
/* Copyright (C) 1995-2000,2002,2003,2004,2005,2006
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
<http://www.gnu.org/licenses/>. */
#include <_lfs_64.h>
#include <sys/syscall.h>
#ifdef __NR_fadvise64_64
.text
.global posix_fadvise64
.type posix_fadvise64,%function
posix_fadvise64:
/* Save regs */
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
movl $__NR_fadvise64_64, %eax /* Syscall number in %eax. */
movl 20(%esp), %ebx
movl 24(%esp), %ecx
movl 28(%esp), %edx
movl 32(%esp), %esi
movl 36(%esp), %edi
movl 40(%esp), %ebp
/* Do the system call trap. */
int $0x80
/* Restore regs */
popl %edi
popl %esi
popl %ebx
popl %ebp
/* Returns 0 on success, else an error code. */
negl %eax
/* Successful; return the syscall's value. */
ret
.size posix_fadvise64,.-posix_fadvise64
#endif
|
