/* * Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org> * Copyright (c) 2016-2017 The strace developers. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "defs.h" #include DEF_MPERS_TYPE(struct_stat64) #include "asm_stat.h" #if defined MPERS_IS_m32 # undef HAVE_STRUCT_STAT64 # undef HAVE_STRUCT_STAT64_ST_MTIME_NSEC # ifdef HAVE_M32_STRUCT_STAT64 # define HAVE_STRUCT_STAT64 1 # ifdef HAVE_M32_STRUCT_STAT64_ST_MTIME_NSEC # define HAVE_STRUCT_STAT64_ST_MTIME_NSEC 1 # endif /* HAVE_M32_STRUCT_STAT64_ST_MTIME_NSEC */ # endif /* HAVE_M32_STRUCT_STAT64 */ #elif defined MPERS_IS_mx32 # undef HAVE_STRUCT_STAT64 # undef HAVE_STRUCT_STAT64_ST_MTIME_NSEC # ifdef HAVE_MX32_STRUCT_STAT64 # define HAVE_STRUCT_STAT64 1 # ifdef HAVE_MX32_STRUCT_STAT64_ST_MTIME_NSEC # define HAVE_STRUCT_STAT64_ST_MTIME_NSEC 1 # endif /* HAVE_MX32_STRUCT_STAT64_ST_MTIME_NSEC */ # endif /* HAVE_MX32_STRUCT_STAT64 */ #endif /* MPERS_IS_m32 || MPERS_IS_mx32 */ #ifndef HAVE_STRUCT_STAT64 struct stat64 {}; #endif typedef struct stat64 struct_stat64; #include MPERS_DEFS #include "stat.h" #ifdef HAVE_STRUCT_STAT64_ST_MTIME_NSEC # define TIME_NSEC(arg) zero_extend_signed_to_ull(arg) # define HAVE_NSEC true #else # define TIME_NSEC(arg) 0 # define HAVE_NSEC false #endif MPERS_PRINTER_DECL(bool, fetch_struct_stat64, struct tcb *const tcp, const kernel_ulong_t addr, struct strace_stat *const dst) { #ifdef HAVE_STRUCT_STAT64 struct_stat64 buf; if (umove_or_printaddr(tcp, addr, &buf)) return false; dst->dev = zero_extend_signed_to_ull(buf.st_dev); dst->ino = zero_extend_signed_to_ull(buf.st_ino); dst->rdev = zero_extend_signed_to_ull(buf.st_rdev); dst->size = zero_extend_signed_to_ull(buf.st_size); dst->blocks = zero_extend_signed_to_ull(buf.st_blocks); dst->blksize = zero_extend_signed_to_ull(buf.st_blksize); dst->mode = zero_extend_signed_to_ull(buf.st_mode); dst->nlink = zero_extend_signed_to_ull(buf.st_nlink); dst->uid = zero_extend_signed_to_ull(buf.st_uid); dst->gid = zero_extend_signed_to_ull(buf.st_gid); dst->atime = sign_extend_unsigned_to_ll(buf.st_atime); dst->ctime = sign_extend_unsigned_to_ll(buf.st_ctime); dst->mtime = sign_extend_unsigned_to_ll(buf.st_mtime); dst->atime_nsec = TIME_NSEC(buf.st_atime_nsec); dst->ctime_nsec = TIME_NSEC(buf.st_ctime_nsec); dst->mtime_nsec = TIME_NSEC(buf.st_mtime_nsec); dst->has_nsec = HAVE_NSEC; return true; #else /* !HAVE_STRUCT_STAT64 */ printaddr(addr); return false; #endif }