diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_linux_s390x.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_linux_s390x.go | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go b/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go new file mode 100644 index 0000000..66f3121 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go | |||
@@ -0,0 +1,296 @@ | |||
1 | // Copyright 2016 The Go Authors. All rights reserved. | ||
2 | // Use of this source code is governed by a BSD-style | ||
3 | // license that can be found in the LICENSE file. | ||
4 | |||
5 | //go:build s390x && linux | ||
6 | |||
7 | package unix | ||
8 | |||
9 | import ( | ||
10 | "unsafe" | ||
11 | ) | ||
12 | |||
13 | //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) | ||
14 | //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64 | ||
15 | //sys Fchown(fd int, uid int, gid int) (err error) | ||
16 | //sys Fstat(fd int, stat *Stat_t) (err error) | ||
17 | //sys Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT | ||
18 | //sys Fstatfs(fd int, buf *Statfs_t) (err error) | ||
19 | //sys Ftruncate(fd int, length int64) (err error) | ||
20 | //sysnb Getegid() (egid int) | ||
21 | //sysnb Geteuid() (euid int) | ||
22 | //sysnb Getgid() (gid int) | ||
23 | //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) | ||
24 | //sysnb Getuid() (uid int) | ||
25 | //sys Lchown(path string, uid int, gid int) (err error) | ||
26 | //sys Lstat(path string, stat *Stat_t) (err error) | ||
27 | //sys Pause() (err error) | ||
28 | //sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 | ||
29 | //sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 | ||
30 | //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) | ||
31 | //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK | ||
32 | //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) | ||
33 | //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) | ||
34 | //sys setfsgid(gid int) (prev int, err error) | ||
35 | //sys setfsuid(uid int) (prev int, err error) | ||
36 | //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) | ||
37 | //sys Stat(path string, stat *Stat_t) (err error) | ||
38 | //sys Statfs(path string, buf *Statfs_t) (err error) | ||
39 | //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) | ||
40 | //sys Truncate(path string, length int64) (err error) | ||
41 | //sys Ustat(dev int, ubuf *Ustat_t) (err error) | ||
42 | //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) | ||
43 | //sysnb setgroups(n int, list *_Gid_t) (err error) | ||
44 | |||
45 | //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) | ||
46 | //sysnb Gettimeofday(tv *Timeval) (err error) | ||
47 | |||
48 | func Time(t *Time_t) (tt Time_t, err error) { | ||
49 | var tv Timeval | ||
50 | err = Gettimeofday(&tv) | ||
51 | if err != nil { | ||
52 | return 0, err | ||
53 | } | ||
54 | if t != nil { | ||
55 | *t = Time_t(tv.Sec) | ||
56 | } | ||
57 | return Time_t(tv.Sec), nil | ||
58 | } | ||
59 | |||
60 | //sys Utime(path string, buf *Utimbuf) (err error) | ||
61 | //sys utimes(path string, times *[2]Timeval) (err error) | ||
62 | |||
63 | func setTimespec(sec, nsec int64) Timespec { | ||
64 | return Timespec{Sec: sec, Nsec: nsec} | ||
65 | } | ||
66 | |||
67 | func setTimeval(sec, usec int64) Timeval { | ||
68 | return Timeval{Sec: sec, Usec: usec} | ||
69 | } | ||
70 | |||
71 | func Ioperm(from int, num int, on int) (err error) { | ||
72 | return ENOSYS | ||
73 | } | ||
74 | |||
75 | func Iopl(level int) (err error) { | ||
76 | return ENOSYS | ||
77 | } | ||
78 | |||
79 | func (r *PtraceRegs) PC() uint64 { return r.Psw.Addr } | ||
80 | |||
81 | func (r *PtraceRegs) SetPC(pc uint64) { r.Psw.Addr = pc } | ||
82 | |||
83 | func (iov *Iovec) SetLen(length int) { | ||
84 | iov.Len = uint64(length) | ||
85 | } | ||
86 | |||
87 | func (msghdr *Msghdr) SetControllen(length int) { | ||
88 | msghdr.Controllen = uint64(length) | ||
89 | } | ||
90 | |||
91 | func (msghdr *Msghdr) SetIovlen(length int) { | ||
92 | msghdr.Iovlen = uint64(length) | ||
93 | } | ||
94 | |||
95 | func (cmsg *Cmsghdr) SetLen(length int) { | ||
96 | cmsg.Len = uint64(length) | ||
97 | } | ||
98 | |||
99 | func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) { | ||
100 | rsa.Service_name_len = uint64(length) | ||
101 | } | ||
102 | |||
103 | // Linux on s390x uses the old mmap interface, which requires arguments to be passed in a struct. | ||
104 | // mmap2 also requires arguments to be passed in a struct; it is currently not exposed in <asm/unistd.h>. | ||
105 | func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { | ||
106 | mmap_args := [6]uintptr{addr, length, uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset)} | ||
107 | r0, _, e1 := Syscall(SYS_MMAP, uintptr(unsafe.Pointer(&mmap_args[0])), 0, 0) | ||
108 | xaddr = uintptr(r0) | ||
109 | if e1 != 0 { | ||
110 | err = errnoErr(e1) | ||
111 | } | ||
112 | return | ||
113 | } | ||
114 | |||
115 | // On s390x Linux, all the socket calls go through an extra indirection. | ||
116 | // The arguments to the underlying system call (SYS_SOCKETCALL) are the | ||
117 | // number below and a pointer to an array of uintptr. | ||
118 | const ( | ||
119 | // see linux/net.h | ||
120 | netSocket = 1 | ||
121 | netBind = 2 | ||
122 | netConnect = 3 | ||
123 | netListen = 4 | ||
124 | netAccept = 5 | ||
125 | netGetSockName = 6 | ||
126 | netGetPeerName = 7 | ||
127 | netSocketPair = 8 | ||
128 | netSend = 9 | ||
129 | netRecv = 10 | ||
130 | netSendTo = 11 | ||
131 | netRecvFrom = 12 | ||
132 | netShutdown = 13 | ||
133 | netSetSockOpt = 14 | ||
134 | netGetSockOpt = 15 | ||
135 | netSendMsg = 16 | ||
136 | netRecvMsg = 17 | ||
137 | netAccept4 = 18 | ||
138 | netRecvMMsg = 19 | ||
139 | netSendMMsg = 20 | ||
140 | ) | ||
141 | |||
142 | func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (int, error) { | ||
143 | args := [4]uintptr{uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags)} | ||
144 | fd, _, err := Syscall(SYS_SOCKETCALL, netAccept4, uintptr(unsafe.Pointer(&args)), 0) | ||
145 | if err != 0 { | ||
146 | return 0, err | ||
147 | } | ||
148 | return int(fd), nil | ||
149 | } | ||
150 | |||
151 | func getsockname(s int, rsa *RawSockaddrAny, addrlen *_Socklen) error { | ||
152 | args := [3]uintptr{uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))} | ||
153 | _, _, err := RawSyscall(SYS_SOCKETCALL, netGetSockName, uintptr(unsafe.Pointer(&args)), 0) | ||
154 | if err != 0 { | ||
155 | return err | ||
156 | } | ||
157 | return nil | ||
158 | } | ||
159 | |||
160 | func getpeername(s int, rsa *RawSockaddrAny, addrlen *_Socklen) error { | ||
161 | args := [3]uintptr{uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))} | ||
162 | _, _, err := RawSyscall(SYS_SOCKETCALL, netGetPeerName, uintptr(unsafe.Pointer(&args)), 0) | ||
163 | if err != 0 { | ||
164 | return err | ||
165 | } | ||
166 | return nil | ||
167 | } | ||
168 | |||
169 | func socketpair(domain int, typ int, flags int, fd *[2]int32) error { | ||
170 | args := [4]uintptr{uintptr(domain), uintptr(typ), uintptr(flags), uintptr(unsafe.Pointer(fd))} | ||
171 | _, _, err := RawSyscall(SYS_SOCKETCALL, netSocketPair, uintptr(unsafe.Pointer(&args)), 0) | ||
172 | if err != 0 { | ||
173 | return err | ||
174 | } | ||
175 | return nil | ||
176 | } | ||
177 | |||
178 | func bind(s int, addr unsafe.Pointer, addrlen _Socklen) error { | ||
179 | args := [3]uintptr{uintptr(s), uintptr(addr), uintptr(addrlen)} | ||
180 | _, _, err := Syscall(SYS_SOCKETCALL, netBind, uintptr(unsafe.Pointer(&args)), 0) | ||
181 | if err != 0 { | ||
182 | return err | ||
183 | } | ||
184 | return nil | ||
185 | } | ||
186 | |||
187 | func connect(s int, addr unsafe.Pointer, addrlen _Socklen) error { | ||
188 | args := [3]uintptr{uintptr(s), uintptr(addr), uintptr(addrlen)} | ||
189 | _, _, err := Syscall(SYS_SOCKETCALL, netConnect, uintptr(unsafe.Pointer(&args)), 0) | ||
190 | if err != 0 { | ||
191 | return err | ||
192 | } | ||
193 | return nil | ||
194 | } | ||
195 | |||
196 | func socket(domain int, typ int, proto int) (int, error) { | ||
197 | args := [3]uintptr{uintptr(domain), uintptr(typ), uintptr(proto)} | ||
198 | fd, _, err := RawSyscall(SYS_SOCKETCALL, netSocket, uintptr(unsafe.Pointer(&args)), 0) | ||
199 | if err != 0 { | ||
200 | return 0, err | ||
201 | } | ||
202 | return int(fd), nil | ||
203 | } | ||
204 | |||
205 | func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) error { | ||
206 | args := [5]uintptr{uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen))} | ||
207 | _, _, err := Syscall(SYS_SOCKETCALL, netGetSockOpt, uintptr(unsafe.Pointer(&args)), 0) | ||
208 | if err != 0 { | ||
209 | return err | ||
210 | } | ||
211 | return nil | ||
212 | } | ||
213 | |||
214 | func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) error { | ||
215 | args := [5]uintptr{uintptr(s), uintptr(level), uintptr(name), uintptr(val), vallen} | ||
216 | _, _, err := Syscall(SYS_SOCKETCALL, netSetSockOpt, uintptr(unsafe.Pointer(&args)), 0) | ||
217 | if err != 0 { | ||
218 | return err | ||
219 | } | ||
220 | return nil | ||
221 | } | ||
222 | |||
223 | func recvfrom(s int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (int, error) { | ||
224 | var base uintptr | ||
225 | if len(p) > 0 { | ||
226 | base = uintptr(unsafe.Pointer(&p[0])) | ||
227 | } | ||
228 | args := [6]uintptr{uintptr(s), base, uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen))} | ||
229 | n, _, err := Syscall(SYS_SOCKETCALL, netRecvFrom, uintptr(unsafe.Pointer(&args)), 0) | ||
230 | if err != 0 { | ||
231 | return 0, err | ||
232 | } | ||
233 | return int(n), nil | ||
234 | } | ||
235 | |||
236 | func sendto(s int, p []byte, flags int, to unsafe.Pointer, addrlen _Socklen) error { | ||
237 | var base uintptr | ||
238 | if len(p) > 0 { | ||
239 | base = uintptr(unsafe.Pointer(&p[0])) | ||
240 | } | ||
241 | args := [6]uintptr{uintptr(s), base, uintptr(len(p)), uintptr(flags), uintptr(to), uintptr(addrlen)} | ||
242 | _, _, err := Syscall(SYS_SOCKETCALL, netSendTo, uintptr(unsafe.Pointer(&args)), 0) | ||
243 | if err != 0 { | ||
244 | return err | ||
245 | } | ||
246 | return nil | ||
247 | } | ||
248 | |||
249 | func recvmsg(s int, msg *Msghdr, flags int) (int, error) { | ||
250 | args := [3]uintptr{uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)} | ||
251 | n, _, err := Syscall(SYS_SOCKETCALL, netRecvMsg, uintptr(unsafe.Pointer(&args)), 0) | ||
252 | if err != 0 { | ||
253 | return 0, err | ||
254 | } | ||
255 | return int(n), nil | ||
256 | } | ||
257 | |||
258 | func sendmsg(s int, msg *Msghdr, flags int) (int, error) { | ||
259 | args := [3]uintptr{uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)} | ||
260 | n, _, err := Syscall(SYS_SOCKETCALL, netSendMsg, uintptr(unsafe.Pointer(&args)), 0) | ||
261 | if err != 0 { | ||
262 | return 0, err | ||
263 | } | ||
264 | return int(n), nil | ||
265 | } | ||
266 | |||
267 | func Listen(s int, n int) error { | ||
268 | args := [2]uintptr{uintptr(s), uintptr(n)} | ||
269 | _, _, err := Syscall(SYS_SOCKETCALL, netListen, uintptr(unsafe.Pointer(&args)), 0) | ||
270 | if err != 0 { | ||
271 | return err | ||
272 | } | ||
273 | return nil | ||
274 | } | ||
275 | |||
276 | func Shutdown(s, how int) error { | ||
277 | args := [2]uintptr{uintptr(s), uintptr(how)} | ||
278 | _, _, err := Syscall(SYS_SOCKETCALL, netShutdown, uintptr(unsafe.Pointer(&args)), 0) | ||
279 | if err != 0 { | ||
280 | return err | ||
281 | } | ||
282 | return nil | ||
283 | } | ||
284 | |||
285 | //sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) | ||
286 | |||
287 | func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error { | ||
288 | cmdlineLen := len(cmdline) | ||
289 | if cmdlineLen > 0 { | ||
290 | // Account for the additional NULL byte added by | ||
291 | // BytePtrFromString in kexecFileLoad. The kexec_file_load | ||
292 | // syscall expects a NULL-terminated string. | ||
293 | cmdlineLen++ | ||
294 | } | ||
295 | return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags) | ||
296 | } | ||