1 /*
2 * Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
15 *
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.
26 */
27
28 #include "defs.h"
29
30 #include DEF_MPERS_TYPE(struct_stat64)
31
32 #include "asm_stat.h"
33
34 #if defined MPERS_IS_m32
35 # undef HAVE_STRUCT_STAT64
36 # undef HAVE_STRUCT_STAT64_ST_MTIME_NSEC
37 # ifdef HAVE_M32_STRUCT_STAT64
38 # define HAVE_STRUCT_STAT64 1
39 # ifdef HAVE_M32_STRUCT_STAT64_ST_MTIME_NSEC
40 # define HAVE_STRUCT_STAT64_ST_MTIME_NSEC 1
41 # endif /* HAVE_M32_STRUCT_STAT64_ST_MTIME_NSEC */
42 # endif /* HAVE_M32_STRUCT_STAT64 */
43 #elif defined MPERS_IS_mx32
44 # undef HAVE_STRUCT_STAT64
45 # undef HAVE_STRUCT_STAT64_ST_MTIME_NSEC
46 # ifdef HAVE_MX32_STRUCT_STAT64
47 # define HAVE_STRUCT_STAT64 1
48 # ifdef HAVE_MX32_STRUCT_STAT64_ST_MTIME_NSEC
49 # define HAVE_STRUCT_STAT64_ST_MTIME_NSEC 1
50 # endif /* HAVE_MX32_STRUCT_STAT64_ST_MTIME_NSEC */
51 # endif /* HAVE_MX32_STRUCT_STAT64 */
52 #endif /* MPERS_IS_m32 || MPERS_IS_mx32 */
53
54 #ifndef HAVE_STRUCT_STAT64
55 struct stat64 {};
56 #endif
57
58 typedef struct stat64 struct_stat64;
59
60 #include MPERS_DEFS
61
62 #include "stat.h"
63
64 #ifdef HAVE_STRUCT_STAT64_ST_MTIME_NSEC
65 # define TIME_NSEC(arg) zero_extend_signed_to_ull(arg)
66 #else
67 # define TIME_NSEC(arg) 0
68 #endif
69
MPERS_PRINTER_DECL(bool,fetch_struct_stat64,struct tcb * const tcp,const kernel_ulong_t addr,struct strace_stat * const dst)70 MPERS_PRINTER_DECL(bool, fetch_struct_stat64,
71 struct tcb *const tcp, const kernel_ulong_t addr,
72 struct strace_stat *const dst)
73 {
74 #ifdef HAVE_STRUCT_STAT64
75 struct_stat64 buf;
76 if (umove_or_printaddr(tcp, addr, &buf))
77 return false;
78
79 dst->dev = zero_extend_signed_to_ull(buf.st_dev);
80 dst->ino = zero_extend_signed_to_ull(buf.st_ino);
81 dst->rdev = zero_extend_signed_to_ull(buf.st_rdev);
82 dst->size = zero_extend_signed_to_ull(buf.st_size);
83 dst->blocks = zero_extend_signed_to_ull(buf.st_blocks);
84 dst->blksize = zero_extend_signed_to_ull(buf.st_blksize);
85 dst->mode = zero_extend_signed_to_ull(buf.st_mode);
86 dst->nlink = zero_extend_signed_to_ull(buf.st_nlink);
87 dst->uid = zero_extend_signed_to_ull(buf.st_uid);
88 dst->gid = zero_extend_signed_to_ull(buf.st_gid);
89 dst->atime = sign_extend_unsigned_to_ll(buf.st_atime);
90 dst->ctime = sign_extend_unsigned_to_ll(buf.st_ctime);
91 dst->mtime = sign_extend_unsigned_to_ll(buf.st_mtime);
92 dst->atime_nsec = TIME_NSEC(buf.st_atime_nsec);
93 dst->ctime_nsec = TIME_NSEC(buf.st_ctime_nsec);
94 dst->mtime_nsec = TIME_NSEC(buf.st_mtime_nsec);
95 return true;
96 #else /* !HAVE_STRUCT_STAT64 */
97 printaddr(addr);
98 return false;
99 #endif
100 }
101