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87 lines
2.9 KiB
87 lines
2.9 KiB
/* |
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* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl> |
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* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl> |
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* Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com> |
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* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl> |
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* Copyright (c) 2005 Roland McGrath <roland@redhat.com> |
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* Copyright (c) 2007-2015 Dmitry V. Levin <ldv@altlinux.org> |
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* Copyright (c) 2014-2018 The strace developers. |
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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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#define MS_MGC_VAL 0xc0ed0000 /* old magic mount flag number */ |
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#define MS_MGC_MSK 0xffff0000 /* old magic mount flag mask */ |
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#include "xlat/mount_flags.h" |
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SYS_FUNC(mount) |
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{ |
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bool ignore_type = false; |
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bool ignore_data = false; |
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bool old_magic = false; |
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kernel_ulong_t flags = tcp->u_arg[3]; |
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/* Discard magic */ |
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if ((flags & MS_MGC_MSK) == MS_MGC_VAL) { |
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flags &= ~MS_MGC_MSK; |
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old_magic = true; |
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} |
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if (flags & MS_REMOUNT) |
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ignore_type = true; |
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else if (flags & (MS_BIND | MS_MOVE | MS_SHARED |
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| MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE)) |
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ignore_type = ignore_data = true; |
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printpath(tcp, tcp->u_arg[0]); |
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tprints(", "); |
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printpath(tcp, tcp->u_arg[1]); |
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tprints(", "); |
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if (ignore_type) |
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printaddr(tcp->u_arg[2]); |
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else |
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printstr(tcp, tcp->u_arg[2]); |
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tprints(", "); |
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if (old_magic) { |
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print_xlat(MS_MGC_VAL); |
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if (flags) |
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tprints("|"); |
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} |
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if (flags || !old_magic) |
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printflags64(mount_flags, flags, "MS_???"); |
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tprints(", "); |
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if (ignore_data) |
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printaddr(tcp->u_arg[4]); |
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else |
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printstr(tcp, tcp->u_arg[4]); |
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return RVAL_DECODED; |
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}
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