Dmitry V. Levin
b93d52fe3d
strace is now provided under the terms of the GNU Lesser General Public License version 2.1 or later, see COPYING for more details. strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/*
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* Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2016-2017 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#include "defs.h"
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#include DEF_MPERS_TYPE(struct_stat)
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#include "asm_stat.h"
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#if defined MPERS_IS_m32
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# undef HAVE_STRUCT_STAT
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# undef HAVE_STRUCT_STAT_ST_MTIME_NSEC
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# ifdef HAVE_M32_STRUCT_STAT
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# define HAVE_STRUCT_STAT 1
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# ifdef HAVE_M32_STRUCT_STAT_ST_MTIME_NSEC
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# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
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# endif /* HAVE_M32_STRUCT_STAT_ST_MTIME_NSEC */
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# endif /* HAVE_M32_STRUCT_STAT */
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#elif defined MPERS_IS_mx32
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# undef HAVE_STRUCT_STAT
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# undef HAVE_STRUCT_STAT_ST_MTIME_NSEC
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# ifdef HAVE_MX32_STRUCT_STAT
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# define HAVE_STRUCT_STAT 1
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# ifdef HAVE_MX32_STRUCT_STAT_ST_MTIME_NSEC
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# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
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# endif /* HAVE_MX32_STRUCT_STAT_ST_MTIME_NSEC */
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# endif /* HAVE_MX32_STRUCT_STAT */
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#else /* !MPERS_IS_m32 && !MPERS_IS_mx32 */
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# define HAVE_STRUCT_STAT 1
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#endif
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#ifndef HAVE_STRUCT_STAT
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struct stat {};
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#endif
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typedef struct stat struct_stat;
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#include MPERS_DEFS
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#include "stat.h"
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#ifdef HAVE_STRUCT_STAT_ST_MTIME_NSEC
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# define TIME_NSEC(arg) zero_extend_signed_to_ull(arg)
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# define HAVE_NSEC true
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#else
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# define TIME_NSEC(arg) 0
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# define HAVE_NSEC false
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#endif
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MPERS_PRINTER_DECL(bool, fetch_struct_stat,
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struct tcb *const tcp, const kernel_ulong_t addr,
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struct strace_stat *const dst)
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{
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#ifdef HAVE_STRUCT_STAT
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struct_stat buf;
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if (umove_or_printaddr(tcp, addr, &buf))
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return false;
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dst->dev = zero_extend_signed_to_ull(buf.st_dev);
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dst->ino = zero_extend_signed_to_ull(buf.st_ino);
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dst->rdev = zero_extend_signed_to_ull(buf.st_rdev);
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dst->size = zero_extend_signed_to_ull(buf.st_size);
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dst->blocks = zero_extend_signed_to_ull(buf.st_blocks);
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dst->blksize = zero_extend_signed_to_ull(buf.st_blksize);
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dst->mode = zero_extend_signed_to_ull(buf.st_mode);
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dst->nlink = zero_extend_signed_to_ull(buf.st_nlink);
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dst->uid = zero_extend_signed_to_ull(buf.st_uid);
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dst->gid = zero_extend_signed_to_ull(buf.st_gid);
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dst->atime = sign_extend_unsigned_to_ll(buf.st_atime);
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dst->ctime = sign_extend_unsigned_to_ll(buf.st_ctime);
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dst->mtime = sign_extend_unsigned_to_ll(buf.st_mtime);
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dst->atime_nsec = TIME_NSEC(buf.st_atime_nsec);
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dst->ctime_nsec = TIME_NSEC(buf.st_ctime_nsec);
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dst->mtime_nsec = TIME_NSEC(buf.st_mtime_nsec);
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dst->has_nsec = HAVE_NSEC;
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return true;
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#else /* !HAVE_STRUCT_STAT */
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printaddr(addr);
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return false;
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#endif
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}
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