/* * Copyright (c) 2014-2016 Dmitry V. Levin * 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 #include 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[0] = zero_extend_signed_to_ull(b.f_fsid.val[0]); p->f_fsid[1] = zero_extend_signed_to_ull(b.f_fsid.val[1]); #elif defined HAVE_STRUCT_STATFS_F_FSID___VAL p->f_fsid[0] = zero_extend_signed_to_ull(b.f_fsid.__val[0]); p->f_fsid[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[0] = zero_extend_signed_to_ull(b.f_fsid.val[0]); p->f_fsid[1] = zero_extend_signed_to_ull(b.f_fsid.val[1]); #elif defined HAVE_STRUCT_STATFS64_F_FSID___VAL p->f_fsid[0] = zero_extend_signed_to_ull(b.f_fsid.__val[0]); p->f_fsid[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; }