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/*
* BSD syscalls
*
* Copyright (c) 2003-2008 Fabrice Bellard
* Copyright (c) 2013-2014 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/>.
*/
/*
* We need the FreeBSD "legacy" definitions. Rust needs the FreeBSD 11 system
* calls since it doesn't use libc at all, so we have to emulate that despite
* FreeBSD 11 being EOL'd.
*/
#define _WANT_FREEBSD11_STAT
#define _WANT_FREEBSD11_STATFS
#define _WANT_FREEBSD11_DIRENT
#define _WANT_KERNEL_ERRNO
#define _WANT_SEMUN
#include "qemu/osdep.h"
#include "qemu/cutils.h"
#include "qemu/path.h"
#include <sys/syscall.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <utime.h>
#include "qemu.h"
#include "qemu-common.h"
#include "signal-common.h"
#include "user/syscall-trace.h"
#include "bsd-file.h"
void target_set_brk(abi_ulong new_brk)
{
}
/*
* errno conversion.
*/
abi_long get_errno(abi_long ret)
{
if (ret == -1) {
return -host_to_target_errno(errno);
} else {
return ret;
}
}
int host_to_target_errno(int err)
{
/*
* All the BSDs have the property that the error numbers are uniform across
* all architectures for a given BSD, though they may vary between different
* BSDs.
*/
return err;
}
bool is_error(abi_long ret)
{
return (abi_ulong)ret >= (abi_ulong)(-4096);
}
/*
* do_syscall() should always have a single exit point at the end so that
* actions, such as logging of syscall results, can be performed. All errnos
* that do_syscall() returns must be -TARGET_<errcode>.
*/
abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5, abi_long arg6, abi_long arg7,
abi_long arg8)
{
return 0;
}
void syscall_init(void)
{
}
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