2 * Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include DEF_MPERS_TYPE(struct_statfs)
31 #include DEF_MPERS_TYPE(struct_statfs64)
33 #include <linux/types.h>
34 #include <asm/statfs.h>
35 typedef struct statfs struct_statfs;
36 typedef struct statfs64 struct_statfs64;
42 #define ASSIGN_NUMBER(dst, src) \
43 if (sizeof(src) == sizeof(int)) \
44 dst = (unsigned int) (src); \
45 else if (sizeof(src) == sizeof(long)) \
46 dst = (unsigned long) (src); \
48 dst = (unsigned long long) (src)
50 MPERS_PRINTER_DECL(bool, fetch_struct_statfs)(struct tcb *tcp, const long addr, struct strace_statfs *p)
54 if (umove_or_printaddr(tcp, addr, &b))
57 ASSIGN_NUMBER(p->f_type, b.f_type);
58 ASSIGN_NUMBER(p->f_bsize, b.f_bsize);
59 ASSIGN_NUMBER(p->f_blocks, b.f_blocks);
60 ASSIGN_NUMBER(p->f_bfree, b.f_bfree);
61 ASSIGN_NUMBER(p->f_bavail, b.f_bavail);
62 ASSIGN_NUMBER(p->f_files, b.f_files);
63 ASSIGN_NUMBER(p->f_ffree, b.f_ffree);
64 #if defined HAVE_STRUCT_STATFS_F_FSID_VAL
65 ASSIGN_NUMBER(p->f_fsid[0], b.f_fsid.val[0]);
66 ASSIGN_NUMBER(p->f_fsid[1], b.f_fsid.val[1]);
67 #elif defined HAVE_STRUCT_STATFS_F_FSID___VAL
68 ASSIGN_NUMBER(p->f_fsid[0], b.f_fsid.__val[0]);
69 ASSIGN_NUMBER(p->f_fsid[1], b.f_fsid.__val[1]);
71 ASSIGN_NUMBER(p->f_namelen, b.f_namelen);
72 #ifdef HAVE_STRUCT_STATFS_F_FRSIZE
73 ASSIGN_NUMBER(p->f_frsize, b.f_frsize);
75 #ifdef HAVE_STRUCT_STATFS_F_FLAGS
76 ASSIGN_NUMBER(p->f_flags, b.f_flags);
82 #if defined ARM || (defined AARCH64 && defined IN_MPERS)
83 /* See arch/arm/kernel/sys_oabi-compat.c for details. */
84 # define COMPAT_STATFS64_PADDED_SIZE (sizeof(struct_statfs64) + 4)
87 MPERS_PRINTER_DECL(bool, fetch_struct_statfs64)(struct tcb *tcp, const long addr, const unsigned long size, struct strace_statfs *p)
92 #ifdef COMPAT_STATFS64_PADDED_SIZE
93 && sizeof(b) != COMPAT_STATFS64_PADDED_SIZE
100 if (umove_or_printaddr(tcp, addr, &b))
103 ASSIGN_NUMBER(p->f_type, b.f_type);
104 ASSIGN_NUMBER(p->f_bsize, b.f_bsize);
105 ASSIGN_NUMBER(p->f_blocks, b.f_blocks);
106 ASSIGN_NUMBER(p->f_bfree, b.f_bfree);
107 ASSIGN_NUMBER(p->f_bavail, b.f_bavail);
108 ASSIGN_NUMBER(p->f_files, b.f_files);
109 ASSIGN_NUMBER(p->f_ffree, b.f_ffree);
110 #if defined HAVE_STRUCT_STATFS64_F_FSID_VAL
111 ASSIGN_NUMBER(p->f_fsid[0], b.f_fsid.val[0]);
112 ASSIGN_NUMBER(p->f_fsid[1], b.f_fsid.val[1]);
113 #elif defined HAVE_STRUCT_STATFS64_F_FSID___VAL
114 ASSIGN_NUMBER(p->f_fsid[0], b.f_fsid.__val[0]);
115 ASSIGN_NUMBER(p->f_fsid[1], b.f_fsid.__val[1]);
117 ASSIGN_NUMBER(p->f_namelen, b.f_namelen);
118 #ifdef HAVE_STRUCT_STATFS64_F_FRSIZE
119 ASSIGN_NUMBER(p->f_frsize, b.f_frsize);
121 #ifdef HAVE_STRUCT_STATFS64_F_FLAGS
122 ASSIGN_NUMBER(p->f_flags, b.f_flags);