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bsd-user: Implement stat related syscalls

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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>
This commit is contained in:
Stacey Son 2023-08-13 10:41:38 +02:00 committed by Warner Losh
parent f9d5a35fbb
commit bf14f13d8b
1 changed files with 130 additions and 0 deletions
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130
bsd-user/freebsd/os-stat.h Normal file
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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/>.
*/
#ifndef BSD_USER_FREEBSD_OS_STAT_H
#define BSD_USER_FREEBSD_OS_STAT_H
/* stat(2) */
static inline abi_long do_freebsd11_stat(abi_long arg1, abi_long arg2)
{
abi_long ret;
void *p;
struct freebsd11_stat st;
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;
}
/* lstat(2) */
static inline abi_long do_freebsd11_lstat(abi_long arg1, abi_long arg2)
{
abi_long ret;
void *p;
struct freebsd11_stat st;
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;
}
/* fstat(2) */
static inline abi_long do_freebsd_fstat(abi_long arg1, abi_long arg2)
{
abi_long ret;
struct stat st;
ret = get_errno(fstat(arg1, &st));
if (!is_error(ret)) {
ret = h2t_freebsd_stat(arg2, &st);
}
return ret;
}
/* 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;
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;
}
/* 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;
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;
}
/* 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;
ret = get_errno(freebsd11_nfstat(arg1, &st));
if (!is_error(ret)) {
ret = h2t_freebsd11_nstat(arg2, &st);
}
return ret;
}
/* 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;
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;
}
#endif /* BSD_USER_FREEBSD_OS_STAT_H */