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bsd-user: Implement stat related syscalls
Implement the following syscalls: stat(2) lstat(2) fstat(2) fstatat(2) nstat nfstat nlstat Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Warner Losh <imp@bsdimp.com>
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/* | ||
* stat related system call shims and definitions | ||
* | ||
* Copyright (c) 2013 Stacey D. Son | ||
* | ||
* This program is free software; you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation; either version 2 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* This program is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, see <http://www.gnu.org/licenses/>. | ||
*/ | ||
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#ifndef BSD_USER_FREEBSD_OS_STAT_H | ||
#define BSD_USER_FREEBSD_OS_STAT_H | ||
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/* stat(2) */ | ||
static inline abi_long do_freebsd11_stat(abi_long arg1, abi_long arg2) | ||
{ | ||
abi_long ret; | ||
void *p; | ||
struct freebsd11_stat st; | ||
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LOCK_PATH(p, arg1); | ||
ret = get_errno(freebsd11_stat(path(p), &st)); | ||
UNLOCK_PATH(p, arg1); | ||
if (!is_error(ret)) { | ||
ret = h2t_freebsd11_stat(arg2, &st); | ||
} | ||
return ret; | ||
} | ||
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/* lstat(2) */ | ||
static inline abi_long do_freebsd11_lstat(abi_long arg1, abi_long arg2) | ||
{ | ||
abi_long ret; | ||
void *p; | ||
struct freebsd11_stat st; | ||
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LOCK_PATH(p, arg1); | ||
ret = get_errno(freebsd11_lstat(path(p), &st)); | ||
UNLOCK_PATH(p, arg1); | ||
if (!is_error(ret)) { | ||
ret = h2t_freebsd11_stat(arg2, &st); | ||
} | ||
return ret; | ||
} | ||
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/* fstat(2) */ | ||
static inline abi_long do_freebsd_fstat(abi_long arg1, abi_long arg2) | ||
{ | ||
abi_long ret; | ||
struct stat st; | ||
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ret = get_errno(fstat(arg1, &st)); | ||
if (!is_error(ret)) { | ||
ret = h2t_freebsd_stat(arg2, &st); | ||
} | ||
return ret; | ||
} | ||
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/* fstatat(2) */ | ||
static inline abi_long do_freebsd_fstatat(abi_long arg1, abi_long arg2, | ||
abi_long arg3, abi_long arg4) | ||
{ | ||
abi_long ret; | ||
void *p; | ||
struct stat st; | ||
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LOCK_PATH(p, arg2); | ||
ret = get_errno(fstatat(arg1, p, &st, arg4)); | ||
UNLOCK_PATH(p, arg2); | ||
if (!is_error(ret) && arg3) { | ||
ret = h2t_freebsd_stat(arg3, &st); | ||
} | ||
return ret; | ||
} | ||
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/* undocummented nstat(char *path, struct nstat *ub) syscall */ | ||
static abi_long do_freebsd11_nstat(abi_long arg1, abi_long arg2) | ||
{ | ||
abi_long ret; | ||
void *p; | ||
struct freebsd11_stat st; | ||
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LOCK_PATH(p, arg1); | ||
ret = get_errno(freebsd11_nstat(path(p), &st)); | ||
UNLOCK_PATH(p, arg1); | ||
if (!is_error(ret)) { | ||
ret = h2t_freebsd11_nstat(arg2, &st); | ||
} | ||
return ret; | ||
} | ||
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/* undocummented nfstat(int fd, struct nstat *sb) syscall */ | ||
static abi_long do_freebsd11_nfstat(abi_long arg1, abi_long arg2) | ||
{ | ||
abi_long ret; | ||
struct freebsd11_stat st; | ||
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ret = get_errno(freebsd11_nfstat(arg1, &st)); | ||
if (!is_error(ret)) { | ||
ret = h2t_freebsd11_nstat(arg2, &st); | ||
} | ||
return ret; | ||
} | ||
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/* undocummented nlstat(char *path, struct nstat *ub) syscall */ | ||
static abi_long do_freebsd11_nlstat(abi_long arg1, abi_long arg2) | ||
{ | ||
abi_long ret; | ||
void *p; | ||
struct freebsd11_stat st; | ||
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LOCK_PATH(p, arg1); | ||
ret = get_errno(freebsd11_nlstat(path(p), &st)); | ||
UNLOCK_PATH(p, arg1); | ||
if (!is_error(ret)) { | ||
ret = h2t_freebsd11_nstat(arg2, &st); | ||
} | ||
return ret; | ||
} | ||
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#endif /* BSD_USER_FREEBSD_OS_STAT_H */ |