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.
104 lines
3.1 KiB
C
104 lines
3.1 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_statfs)
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#include DEF_MPERS_TYPE(struct_statfs64)
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#include <linux/types.h>
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#include <asm/statfs.h>
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typedef struct statfs struct_statfs;
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typedef struct statfs64 struct_statfs64;
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#include MPERS_DEFS
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#include "statfs.h"
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MPERS_PRINTER_DECL(bool, fetch_struct_statfs,
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struct tcb *const tcp, const kernel_ulong_t addr,
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struct strace_statfs *const p)
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{
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struct_statfs b;
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if (umove_or_printaddr(tcp, addr, &b))
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return false;
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p->f_type = zero_extend_signed_to_ull(b.f_type);
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p->f_bsize = zero_extend_signed_to_ull(b.f_bsize);
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p->f_blocks = zero_extend_signed_to_ull(b.f_blocks);
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p->f_bfree = zero_extend_signed_to_ull(b.f_bfree);
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p->f_bavail = zero_extend_signed_to_ull(b.f_bavail);
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p->f_files = zero_extend_signed_to_ull(b.f_files);
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p->f_ffree = zero_extend_signed_to_ull(b.f_ffree);
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#if defined HAVE_STRUCT_STATFS_F_FSID_VAL
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p->f_fsid[0] = zero_extend_signed_to_ull(b.f_fsid.val[0]);
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p->f_fsid[1] = zero_extend_signed_to_ull(b.f_fsid.val[1]);
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#elif defined HAVE_STRUCT_STATFS_F_FSID___VAL
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p->f_fsid[0] = zero_extend_signed_to_ull(b.f_fsid.__val[0]);
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p->f_fsid[1] = zero_extend_signed_to_ull(b.f_fsid.__val[1]);
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#endif
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p->f_namelen = zero_extend_signed_to_ull(b.f_namelen);
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#ifdef HAVE_STRUCT_STATFS_F_FRSIZE
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p->f_frsize = zero_extend_signed_to_ull(b.f_frsize);
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#endif
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#ifdef HAVE_STRUCT_STATFS_F_FLAGS
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p->f_flags = zero_extend_signed_to_ull(b.f_flags);
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#endif
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return true;
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}
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#if defined ARM || (defined AARCH64 && defined IN_MPERS)
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/* See arch/arm/kernel/sys_oabi-compat.c for details. */
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# define COMPAT_STATFS64_PADDED_SIZE (sizeof(struct_statfs64) + 4)
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#endif
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MPERS_PRINTER_DECL(bool, fetch_struct_statfs64,
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struct tcb *const tcp, const kernel_ulong_t addr,
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const kernel_ulong_t size, struct strace_statfs *const p)
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{
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struct_statfs64 b;
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if (sizeof(b) != size
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#ifdef COMPAT_STATFS64_PADDED_SIZE
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&& sizeof(b) != COMPAT_STATFS64_PADDED_SIZE
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#endif
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) {
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printaddr(addr);
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return false;
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}
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if (umove_or_printaddr(tcp, addr, &b))
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return false;
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p->f_type = zero_extend_signed_to_ull(b.f_type);
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p->f_bsize = zero_extend_signed_to_ull(b.f_bsize);
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p->f_blocks = zero_extend_signed_to_ull(b.f_blocks);
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p->f_bfree = zero_extend_signed_to_ull(b.f_bfree);
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p->f_bavail = zero_extend_signed_to_ull(b.f_bavail);
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p->f_files = zero_extend_signed_to_ull(b.f_files);
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p->f_ffree = zero_extend_signed_to_ull(b.f_ffree);
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#if defined HAVE_STRUCT_STATFS64_F_FSID_VAL
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p->f_fsid[0] = zero_extend_signed_to_ull(b.f_fsid.val[0]);
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p->f_fsid[1] = zero_extend_signed_to_ull(b.f_fsid.val[1]);
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#elif defined HAVE_STRUCT_STATFS64_F_FSID___VAL
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p->f_fsid[0] = zero_extend_signed_to_ull(b.f_fsid.__val[0]);
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p->f_fsid[1] = zero_extend_signed_to_ull(b.f_fsid.__val[1]);
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#endif
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p->f_namelen = zero_extend_signed_to_ull(b.f_namelen);
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#ifdef HAVE_STRUCT_STATFS64_F_FRSIZE
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p->f_frsize = zero_extend_signed_to_ull(b.f_frsize);
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#endif
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#ifdef HAVE_STRUCT_STATFS64_F_FLAGS
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p->f_flags = zero_extend_signed_to_ull(b.f_flags);
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#endif
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return true;
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}
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