Dmitry V. Levin
826dd22e46
* fetch_struct_stat.c (fetch_struct_stat): Change address argument type from unsigned long to kernel_ureg_t.
103 lines
3.6 KiB
C
103 lines
3.6 KiB
C
/*
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* Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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#else
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# define TIME_NSEC(arg) 0
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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_ureg_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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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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