92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/*
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* BSD syscalls
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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* Copyright (c) 2013-2014 Stacey D. Son
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* We need the FreeBSD "legacy" definitions. Rust needs the FreeBSD 11 system
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* calls since it doesn't use libc at all, so we have to emulate that despite
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* FreeBSD 11 being EOL'd.
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*/
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#define _WANT_FREEBSD11_STAT
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#define _WANT_FREEBSD11_STATFS
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#define _WANT_FREEBSD11_DIRENT
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#define _WANT_KERNEL_ERRNO
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#define _WANT_SEMUN
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#include "qemu/osdep.h"
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#include "qemu/cutils.h"
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#include "qemu/path.h"
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#include <sys/syscall.h>
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <utime.h>
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#include "qemu.h"
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#include "signal-common.h"
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#include "user/syscall-trace.h"
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#include "bsd-file.h"
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void target_set_brk(abi_ulong new_brk)
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{
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}
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/*
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* errno conversion.
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*/
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abi_long get_errno(abi_long ret)
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{
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if (ret == -1) {
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return -host_to_target_errno(errno);
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} else {
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return ret;
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}
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}
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int host_to_target_errno(int err)
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{
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/*
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* All the BSDs have the property that the error numbers are uniform across
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* all architectures for a given BSD, though they may vary between different
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* BSDs.
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*/
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return err;
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}
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bool is_error(abi_long ret)
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{
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return (abi_ulong)ret >= (abi_ulong)(-4096);
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}
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/*
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* do_syscall() should always have a single exit point at the end so that
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* actions, such as logging of syscall results, can be performed. All errnos
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* that do_syscall() returns must be -TARGET_<errcode>.
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*/
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abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1,
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abi_long arg2, abi_long arg3, abi_long arg4,
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abi_long arg5, abi_long arg6, abi_long arg7,
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abi_long arg8)
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{
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return 0;
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}
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void syscall_init(void)
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{
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}
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