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