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 | } | ||