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bsd-user: implement chmod, fchmod, lchmod and fchmodat 

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2022-06-14 14:47:45 -06:00
parent c7b62b4a87
commit 0db0db8f23
2 changed files with 62 additions and 0 deletions
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46
bsd-user/bsd-file.h
View File

@ -675,4 +675,50 @@ static abi_long do_bsd_readlinkat(abi_long arg1, abi_long arg2,
return ret; return ret;
} }
/* chmod(2) */
static abi_long do_bsd_chmod(abi_long arg1, abi_long arg2)
{
abi_long ret;
void *p;
LOCK_PATH(p, arg1);
ret = get_errno(chmod(p, arg2)); /* XXX path(p)? */
UNLOCK_PATH(p, arg1);
return ret;
}
/* fchmod(2) */
static abi_long do_bsd_fchmod(abi_long arg1, abi_long arg2)
{
return get_errno(fchmod(arg1, arg2));
}
/* lchmod(2) */
static abi_long do_bsd_lchmod(abi_long arg1, abi_long arg2)
{
abi_long ret;
void *p;
LOCK_PATH(p, arg1);
ret = get_errno(lchmod(p, arg2)); /* XXX path(p)? */
UNLOCK_PATH(p, arg1);
return ret;
}
/* fchmodat(2) */
static abi_long do_bsd_fchmodat(abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4)
{
abi_long ret;
void *p;
LOCK_PATH(p, arg2);
ret = get_errno(fchmodat(arg1, p, arg3, arg4));
UNLOCK_PATH(p, arg2);
return ret;
}
#endif /* BSD_FILE_H */ #endif /* BSD_FILE_H */

16
bsd-user/freebsd/os-syscall.c
View File

@ -402,6 +402,22 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
ret = do_bsd_readlinkat(arg1, arg2, arg3, arg4); ret = do_bsd_readlinkat(arg1, arg2, arg3, arg4);
break; break;
case TARGET_FREEBSD_NR_chmod: /* chmod(2) */
ret = do_bsd_chmod(arg1, arg2);
break;
case TARGET_FREEBSD_NR_fchmod: /* fchmod(2) */
ret = do_bsd_fchmod(arg1, arg2);
break;
case TARGET_FREEBSD_NR_lchmod: /* lchmod(2) */
ret = do_bsd_lchmod(arg1, arg2);
break;
case TARGET_FREEBSD_NR_fchmodat: /* fchmodat(2) */
ret = do_bsd_fchmodat(arg1, arg2, arg3, arg4);
break;
default: default:
qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
ret = -TARGET_ENOSYS; ret = -TARGET_ENOSYS;