]>
Commit | Line | Data |
---|---|---|
66eed099 WL |
1 | /* |
2 | * BSD syscalls | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * Copyright (c) 2013-2014 Stacey D. Son | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | /* | |
22 | * We need the FreeBSD "legacy" definitions. Rust needs the FreeBSD 11 system | |
23 | * calls since it doesn't use libc at all, so we have to emulate that despite | |
24 | * FreeBSD 11 being EOL'd. | |
25 | */ | |
26 | #define _WANT_FREEBSD11_STAT | |
27 | #define _WANT_FREEBSD11_STATFS | |
28 | #define _WANT_FREEBSD11_DIRENT | |
29 | #define _WANT_KERNEL_ERRNO | |
30 | #define _WANT_SEMUN | |
31 | #include "qemu/osdep.h" | |
32 | #include "qemu/cutils.h" | |
33 | #include "qemu/path.h" | |
34 | #include <sys/syscall.h> | |
35 | #include <sys/param.h> | |
36 | #include <sys/sysctl.h> | |
37 | #include <utime.h> | |
38 | ||
39 | #include "qemu.h" | |
66eed099 WL |
40 | #include "signal-common.h" |
41 | #include "user/syscall-trace.h" | |
42 | ||
c5c84d16 WL |
43 | #include "bsd-file.h" |
44 | ||
66eed099 WL |
45 | void target_set_brk(abi_ulong new_brk) |
46 | { | |
47 | } | |
48 | ||
deeff83b WL |
49 | /* |
50 | * errno conversion. | |
51 | */ | |
52 | abi_long get_errno(abi_long ret) | |
66eed099 | 53 | { |
deeff83b WL |
54 | if (ret == -1) { |
55 | return -host_to_target_errno(errno); | |
56 | } else { | |
57 | return ret; | |
58 | } | |
59 | } | |
66eed099 | 60 | |
deeff83b WL |
61 | int host_to_target_errno(int err) |
62 | { | |
63 | /* | |
64 | * All the BSDs have the property that the error numbers are uniform across | |
65 | * all architectures for a given BSD, though they may vary between different | |
66 | * BSDs. | |
67 | */ | |
68 | return err; | |
69 | } | |
70 | ||
71 | bool is_error(abi_long ret) | |
72 | { | |
66eed099 WL |
73 | return (abi_ulong)ret >= (abi_ulong)(-4096); |
74 | } | |
75 | ||
76 | /* | |
77 | * do_syscall() should always have a single exit point at the end so that | |
78 | * actions, such as logging of syscall results, can be performed. All errnos | |
79 | * that do_syscall() returns must be -TARGET_<errcode>. | |
80 | */ | |
81 | abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, | |
82 | abi_long arg2, abi_long arg3, abi_long arg4, | |
83 | abi_long arg5, abi_long arg6, abi_long arg7, | |
84 | abi_long arg8) | |
85 | { | |
86 | return 0; | |
87 | } | |
88 | ||
89 | void syscall_init(void) | |
90 | { | |
91 | } |