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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.go296
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
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index 0000000..66f3121
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+++ 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
7package unix
8
9import (
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
48func 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
63func setTimespec(sec, nsec int64) Timespec {
64 return Timespec{Sec: sec, Nsec: nsec}
65}
66
67func setTimeval(sec, usec int64) Timeval {
68 return Timeval{Sec: sec, Usec: usec}
69}
70
71func Ioperm(from int, num int, on int) (err error) {
72 return ENOSYS
73}
74
75func Iopl(level int) (err error) {
76 return ENOSYS
77}
78
79func (r *PtraceRegs) PC() uint64 { return r.Psw.Addr }
80
81func (r *PtraceRegs) SetPC(pc uint64) { r.Psw.Addr = pc }
82
83func (iov *Iovec) SetLen(length int) {
84 iov.Len = uint64(length)
85}
86
87func (msghdr *Msghdr) SetControllen(length int) {
88 msghdr.Controllen = uint64(length)
89}
90
91func (msghdr *Msghdr) SetIovlen(length int) {
92 msghdr.Iovlen = uint64(length)
93}
94
95func (cmsg *Cmsghdr) SetLen(length int) {
96 cmsg.Len = uint64(length)
97}
98
99func (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>.
105func 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.
118const (
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
142func 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
151func 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
160func 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
169func 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
178func 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
187func 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
196func 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
205func 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
214func 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
223func 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
236func 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
249func 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
258func 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
267func 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
276func 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
287func 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}