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/*
* Copyright (c) 2014-2016 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2016-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "defs.h"
#include DEF_MPERS_TYPE(struct_statfs)
#include DEF_MPERS_TYPE(struct_statfs64)
#include <linux/types.h>
#include <asm/statfs.h>
typedef struct statfs struct_statfs;
typedef struct statfs64 struct_statfs64;
#include MPERS_DEFS
#include "statfs.h"
MPERS_PRINTER_DECL(bool, fetch_struct_statfs,
struct tcb *const tcp, const kernel_ulong_t addr,
struct strace_statfs *const p)
{
struct_statfs b;
if (umove_or_printaddr(tcp, addr, &b))
return false;
p->f_type = zero_extend_signed_to_ull(b.f_type);
p->f_bsize = zero_extend_signed_to_ull(b.f_bsize);
p->f_blocks = zero_extend_signed_to_ull(b.f_blocks);
p->f_bfree = zero_extend_signed_to_ull(b.f_bfree);
p->f_bavail = zero_extend_signed_to_ull(b.f_bavail);
p->f_files = zero_extend_signed_to_ull(b.f_files);
p->f_ffree = zero_extend_signed_to_ull(b.f_ffree);
#if defined HAVE_STRUCT_STATFS_F_FSID_VAL
p->f_fsid.val[0] = zero_extend_signed_to_ull(b.f_fsid.val[0]);
p->f_fsid.val[1] = zero_extend_signed_to_ull(b.f_fsid.val[1]);
#elif defined HAVE_STRUCT_STATFS_F_FSID___VAL
p->f_fsid.val[0] = zero_extend_signed_to_ull(b.f_fsid.__val[0]);
p->f_fsid.val[1] = zero_extend_signed_to_ull(b.f_fsid.__val[1]);
#endif
p->f_namelen = zero_extend_signed_to_ull(b.f_namelen);
#ifdef HAVE_STRUCT_STATFS_F_FRSIZE
p->f_frsize = zero_extend_signed_to_ull(b.f_frsize);
#endif
#ifdef HAVE_STRUCT_STATFS_F_FLAGS
p->f_flags = zero_extend_signed_to_ull(b.f_flags);
#endif
return true;
}
#if defined ARM || (defined AARCH64 && defined IN_MPERS)
/* See arch/arm/kernel/sys_oabi-compat.c for details. */
# define COMPAT_STATFS64_PADDED_SIZE (sizeof(struct_statfs64) + 4)
#endif
MPERS_PRINTER_DECL(bool, fetch_struct_statfs64,
struct tcb *const tcp, const kernel_ulong_t addr,
const kernel_ulong_t size, struct strace_statfs *const p)
{
struct_statfs64 b;
if (sizeof(b) != size
#ifdef COMPAT_STATFS64_PADDED_SIZE
&& sizeof(b) != COMPAT_STATFS64_PADDED_SIZE
#endif
) {
printaddr(addr);
return false;
}
if (umove_or_printaddr(tcp, addr, &b))
return false;
p->f_type = zero_extend_signed_to_ull(b.f_type);
p->f_bsize = zero_extend_signed_to_ull(b.f_bsize);
p->f_blocks = zero_extend_signed_to_ull(b.f_blocks);
p->f_bfree = zero_extend_signed_to_ull(b.f_bfree);
p->f_bavail = zero_extend_signed_to_ull(b.f_bavail);
p->f_files = zero_extend_signed_to_ull(b.f_files);
p->f_ffree = zero_extend_signed_to_ull(b.f_ffree);
#if defined HAVE_STRUCT_STATFS64_F_FSID_VAL
p->f_fsid.val[0] = zero_extend_signed_to_ull(b.f_fsid.val[0]);
p->f_fsid.val[1] = zero_extend_signed_to_ull(b.f_fsid.val[1]);
#elif defined HAVE_STRUCT_STATFS64_F_FSID___VAL
p->f_fsid.val[0] = zero_extend_signed_to_ull(b.f_fsid.__val[0]);
p->f_fsid.val[1] = zero_extend_signed_to_ull(b.f_fsid.__val[1]);
#endif
p->f_namelen = zero_extend_signed_to_ull(b.f_namelen);
#ifdef HAVE_STRUCT_STATFS64_F_FRSIZE
p->f_frsize = zero_extend_signed_to_ull(b.f_frsize);
#endif
#ifdef HAVE_STRUCT_STATFS64_F_FLAGS
p->f_flags = zero_extend_signed_to_ull(b.f_flags);
#endif
return true;
}
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