xref: /openbmc/qemu/bsd-user/syscall_defs.h (revision 4b3520fd)
1 /*
2  *  System call related declarations
3  *
4  *  Copyright (c) 2013-15 Stacey D. Son (sson at FreeBSD)
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef SYSCALL_DEFS_H
21 #define SYSCALL_DEFS_H
22 
23 #include <sys/syscall.h>
24 #include <sys/resource.h>
25 
26 #include "errno_defs.h"
27 
28 #include "freebsd/syscall_nr.h"
29 #include "netbsd/syscall_nr.h"
30 #include "openbsd/syscall_nr.h"
31 
32 /*
33  * machine/_types.h
34  * or x86/_types.h
35  */
36 
37 /*
38  * time_t seems to be very inconsistly defined for the different *BSD's...
39  *
40  * FreeBSD uses a 64bits time_t except on i386
41  * so we have to add a special case here.
42  *
43  * On NetBSD time_t is always defined as an int64_t.  On OpenBSD time_t
44  * is always defined as an int.
45  *
46  */
47 #if (!defined(TARGET_I386))
48 typedef int64_t target_freebsd_time_t;
49 #else
50 typedef int32_t target_freebsd_time_t;
51 #endif
52 
53 struct target_iovec {
54     abi_long iov_base;   /* Starting address */
55     abi_long iov_len;   /* Number of bytes */
56 };
57 
58 /*
59  *  sys/mman.h
60  */
61 #define TARGET_FREEBSD_MAP_RESERVED0080 0x0080  /* previously misimplemented */
62                                                 /* MAP_INHERIT */
63 #define TARGET_FREEBSD_MAP_RESERVED0100 0x0100  /* previously unimplemented */
64                                                 /* MAP_NOEXTEND */
65 #define TARGET_FREEBSD_MAP_STACK        0x0400  /* region grows down, like a */
66                                                 /* stack */
67 #define TARGET_FREEBSD_MAP_NOSYNC       0x0800  /* page to but do not sync */
68                                                 /* underlying file */
69 
70 #define TARGET_FREEBSD_MAP_FLAGMASK     0x1ff7
71 
72 #define TARGET_NETBSD_MAP_INHERIT       0x0080  /* region is retained after */
73                                                 /* exec */
74 #define TARGET_NETBSD_MAP_TRYFIXED      0x0400  /* attempt hint address, even */
75                                                 /* within break */
76 #define TARGET_NETBSD_MAP_WIRED         0x0800  /* mlock() mapping when it is */
77                                                 /* established */
78 
79 #define TARGET_NETBSD_MAP_STACK         0x2000  /* allocated from memory, */
80                                                 /* swap space (stack) */
81 
82 #define TARGET_NETBSD_MAP_FLAGMASK      0x3ff7
83 
84 #define TARGET_OPENBSD_MAP_INHERIT      0x0080  /* region is retained after */
85                                                 /* exec */
86 #define TARGET_OPENBSD_MAP_NOEXTEND     0x0100  /* for MAP_FILE, don't change */
87                                                 /* file size */
88 #define TARGET_OPENBSD_MAP_TRYFIXED     0x0400  /* attempt hint address, */
89                                                 /* even within heap */
90 
91 #define TARGET_OPENBSD_MAP_FLAGMASK     0x17f7
92 
93 /* XXX */
94 #define TARGET_BSD_MAP_FLAGMASK         0x3ff7
95 
96 /*
97  * sys/time.h
98  * sys/timex.h
99  */
100 
101 typedef abi_long target_freebsd_suseconds_t;
102 
103 /* compare to sys/timespec.h */
104 struct target_freebsd_timespec {
105     target_freebsd_time_t   tv_sec;     /* seconds */
106     abi_long                tv_nsec;    /* and nanoseconds */
107 #if !defined(TARGET_I386) && TARGET_ABI_BITS == 32
108     abi_long _pad;
109 #endif
110 };
111 
112 #define TARGET_CPUCLOCK_WHICH_PID   0
113 #define TARGET_CPUCLOCK_WHICH_TID   1
114 
115 /* sys/umtx.h */
116 struct target_freebsd__umtx_time {
117     struct target_freebsd_timespec  _timeout;
118     uint32_t    _flags;
119     uint32_t    _clockid;
120 };
121 
122 struct target_freebsd_timeval {
123     target_freebsd_time_t       tv_sec; /* seconds */
124     target_freebsd_suseconds_t  tv_usec;/* and microseconds */
125 #if !defined(TARGET_I386) && TARGET_ABI_BITS == 32
126     abi_long _pad;
127 #endif
128 };
129 
130 /*
131  *  sys/resource.h
132  */
133 #if defined(__FreeBSD__)
134 #define TARGET_RLIM_INFINITY    RLIM_INFINITY
135 #else
136 #define TARGET_RLIM_INFINITY    ((abi_ulong)-1)
137 #endif
138 
139 #define TARGET_RLIMIT_CPU       0
140 #define TARGET_RLIMIT_FSIZE     1
141 #define TARGET_RLIMIT_DATA      2
142 #define TARGET_RLIMIT_STACK     3
143 #define TARGET_RLIMIT_CORE      4
144 #define TARGET_RLIMIT_RSS       5
145 #define TARGET_RLIMIT_MEMLOCK   6
146 #define TARGET_RLIMIT_NPROC     7
147 #define TARGET_RLIMIT_NOFILE    8
148 #define TARGET_RLIMIT_SBSIZE    9
149 #define TARGET_RLIMIT_AS        10
150 #define TARGET_RLIMIT_NPTS      11
151 #define TARGET_RLIMIT_SWAP      12
152 
153 struct target_rlimit {
154     uint64_t rlim_cur;
155     uint64_t rlim_max;
156 };
157 
158 struct target_freebsd_rusage {
159     struct target_freebsd_timeval ru_utime; /* user time used */
160     struct target_freebsd_timeval ru_stime; /* system time used */
161     abi_long    ru_maxrss;      /* maximum resident set size */
162     abi_long    ru_ixrss;       /* integral shared memory size */
163     abi_long    ru_idrss;       /* integral unshared data size */
164     abi_long    ru_isrss;       /* integral unshared stack size */
165     abi_long    ru_minflt;      /* page reclaims */
166     abi_long    ru_majflt;      /* page faults */
167     abi_long    ru_nswap;       /* swaps */
168     abi_long    ru_inblock;     /* block input operations */
169     abi_long    ru_oublock;     /* block output operations */
170     abi_long    ru_msgsnd;      /* messages sent */
171     abi_long    ru_msgrcv;      /* messages received */
172     abi_long    ru_nsignals;    /* signals received */
173     abi_long    ru_nvcsw;       /* voluntary context switches */
174     abi_long    ru_nivcsw;      /* involuntary context switches */
175 };
176 
177 struct target_freebsd__wrusage {
178     struct target_freebsd_rusage wru_self;
179     struct target_freebsd_rusage wru_children;
180 };
181 
182 #define safe_syscall0(type, name) \
183 type safe_##name(void) \
184 { \
185     return safe_syscall(SYS_##name); \
186 }
187 
188 #define safe_syscall1(type, name, type1, arg1) \
189 type safe_##name(type1 arg1) \
190 { \
191     return safe_syscall(SYS_##name, arg1); \
192 }
193 
194 #define safe_syscall2(type, name, type1, arg1, type2, arg2) \
195 type safe_##name(type1 arg1, type2 arg2) \
196 { \
197     return safe_syscall(SYS_##name, arg1, arg2); \
198 }
199 
200 #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
201 type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
202 { \
203     return safe_syscall(SYS_##name, arg1, arg2, arg3); \
204 }
205 
206 #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
207     type4, arg4) \
208 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
209 { \
210     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4); \
211 }
212 
213 #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
214     type4, arg4, type5, arg5) \
215 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
216     type5 arg5) \
217 { \
218     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5); \
219 }
220 
221 #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
222     type4, arg4, type5, arg5, type6, arg6) \
223 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
224     type5 arg5, type6 arg6) \
225 { \
226     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
227 }
228 
229 /* So far all target and host bitmasks are the same */
230 #undef  target_to_host_bitmask
231 #define target_to_host_bitmask(x, tbl) (x)
232 #undef  host_to_target_bitmask
233 #define host_to_target_bitmask(x, tbl) (x)
234 
235 #endif /* SYSCALL_DEFS_H */
236