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
55struct stat64 {};
56#endif
57
58typedef 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
70MPERS_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