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Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/syscall_linux_s390x.go | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/syscall_linux_s390x.go b/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/syscall_linux_s390x.go new file mode 100644 index 0000000..d0a7d40 --- /dev/null +++ b/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/syscall_linux_s390x.go @@ -0,0 +1,298 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build s390x && linux +// +build s390x,linux + +package unix + +import ( + "unsafe" +) + +//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) +//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64 +//sys Fchown(fd int, uid int, gid int) (err error) +//sys Fstat(fd int, stat *Stat_t) (err error) +//sys Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT +//sys Fstatfs(fd int, buf *Statfs_t) (err error) +//sys Ftruncate(fd int, length int64) (err error) +//sysnb Getegid() (egid int) +//sysnb Geteuid() (euid int) +//sysnb Getgid() (gid int) +//sysnb Getrlimit(resource int, rlim *Rlimit) (err error) +//sysnb Getuid() (uid int) +//sys Lchown(path string, uid int, gid int) (err error) +//sys Lstat(path string, stat *Stat_t) (err error) +//sys Pause() (err error) +//sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 +//sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 +//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) +//sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK +//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) +//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) +//sys setfsgid(gid int) (prev int, err error) +//sys setfsuid(uid int) (prev int, err error) +//sysnb Setrlimit(resource int, rlim *Rlimit) (err error) +//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) +//sys Stat(path string, stat *Stat_t) (err error) +//sys Statfs(path string, buf *Statfs_t) (err error) +//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) +//sys Truncate(path string, length int64) (err error) +//sys Ustat(dev int, ubuf *Ustat_t) (err error) +//sysnb getgroups(n int, list *_Gid_t) (nn int, err error) +//sysnb setgroups(n int, list *_Gid_t) (err error) + +//sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) +//sysnb Gettimeofday(tv *Timeval) (err error) + +func Time(t *Time_t) (tt Time_t, err error) { + var tv Timeval + err = Gettimeofday(&tv) + if err != nil { + return 0, err + } + if t != nil { + *t = Time_t(tv.Sec) + } + return Time_t(tv.Sec), nil +} + +//sys Utime(path string, buf *Utimbuf) (err error) +//sys utimes(path string, times *[2]Timeval) (err error) + +func setTimespec(sec, nsec int64) Timespec { + return Timespec{Sec: sec, Nsec: nsec} +} + +func setTimeval(sec, usec int64) Timeval { + return Timeval{Sec: sec, Usec: usec} +} + +func Ioperm(from int, num int, on int) (err error) { + return ENOSYS +} + +func Iopl(level int) (err error) { + return ENOSYS +} + +func (r *PtraceRegs) PC() uint64 { return r.Psw.Addr } + +func (r *PtraceRegs) SetPC(pc uint64) { r.Psw.Addr = pc } + +func (iov *Iovec) SetLen(length int) { + iov.Len = uint64(length) +} + +func (msghdr *Msghdr) SetControllen(length int) { + msghdr.Controllen = uint64(length) +} + +func (msghdr *Msghdr) SetIovlen(length int) { + msghdr.Iovlen = uint64(length) +} + +func (cmsg *Cmsghdr) SetLen(length int) { + cmsg.Len = uint64(length) +} + +func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) { + rsa.Service_name_len = uint64(length) +} + +// Linux on s390x uses the old mmap interface, which requires arguments to be passed in a struct. +// mmap2 also requires arguments to be passed in a struct; it is currently not exposed in <asm/unistd.h>. +func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { + mmap_args := [6]uintptr{addr, length, uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset)} + r0, _, e1 := Syscall(SYS_MMAP, uintptr(unsafe.Pointer(&mmap_args[0])), 0, 0) + xaddr = uintptr(r0) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// On s390x Linux, all the socket calls go through an extra indirection. +// The arguments to the underlying system call (SYS_SOCKETCALL) are the +// number below and a pointer to an array of uintptr. +const ( + // see linux/net.h + netSocket = 1 + netBind = 2 + netConnect = 3 + netListen = 4 + netAccept = 5 + netGetSockName = 6 + netGetPeerName = 7 + netSocketPair = 8 + netSend = 9 + netRecv = 10 + netSendTo = 11 + netRecvFrom = 12 + netShutdown = 13 + netSetSockOpt = 14 + netGetSockOpt = 15 + netSendMsg = 16 + netRecvMsg = 17 + netAccept4 = 18 + netRecvMMsg = 19 + netSendMMsg = 20 +) + +func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (int, error) { + args := [4]uintptr{uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags)} + fd, _, err := Syscall(SYS_SOCKETCALL, netAccept4, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return 0, err + } + return int(fd), nil +} + +func getsockname(s int, rsa *RawSockaddrAny, addrlen *_Socklen) error { + args := [3]uintptr{uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))} + _, _, err := RawSyscall(SYS_SOCKETCALL, netGetSockName, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return err + } + return nil +} + +func getpeername(s int, rsa *RawSockaddrAny, addrlen *_Socklen) error { + args := [3]uintptr{uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))} + _, _, err := RawSyscall(SYS_SOCKETCALL, netGetPeerName, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return err + } + return nil +} + +func socketpair(domain int, typ int, flags int, fd *[2]int32) error { + args := [4]uintptr{uintptr(domain), uintptr(typ), uintptr(flags), uintptr(unsafe.Pointer(fd))} + _, _, err := RawSyscall(SYS_SOCKETCALL, netSocketPair, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return err + } + return nil +} + +func bind(s int, addr unsafe.Pointer, addrlen _Socklen) error { + args := [3]uintptr{uintptr(s), uintptr(addr), uintptr(addrlen)} + _, _, err := Syscall(SYS_SOCKETCALL, netBind, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return err + } + return nil +} + +func connect(s int, addr unsafe.Pointer, addrlen _Socklen) error { + args := [3]uintptr{uintptr(s), uintptr(addr), uintptr(addrlen)} + _, _, err := Syscall(SYS_SOCKETCALL, netConnect, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return err + } + return nil +} + +func socket(domain int, typ int, proto int) (int, error) { + args := [3]uintptr{uintptr(domain), uintptr(typ), uintptr(proto)} + fd, _, err := RawSyscall(SYS_SOCKETCALL, netSocket, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return 0, err + } + return int(fd), nil +} + +func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) error { + args := [5]uintptr{uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen))} + _, _, err := Syscall(SYS_SOCKETCALL, netGetSockOpt, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return err + } + return nil +} + +func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) error { + args := [5]uintptr{uintptr(s), uintptr(level), uintptr(name), uintptr(val), vallen} + _, _, err := Syscall(SYS_SOCKETCALL, netSetSockOpt, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return err + } + return nil +} + +func recvfrom(s int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (int, error) { + var base uintptr + if len(p) > 0 { + base = uintptr(unsafe.Pointer(&p[0])) + } + args := [6]uintptr{uintptr(s), base, uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen))} + n, _, err := Syscall(SYS_SOCKETCALL, netRecvFrom, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return 0, err + } + return int(n), nil +} + +func sendto(s int, p []byte, flags int, to unsafe.Pointer, addrlen _Socklen) error { + var base uintptr + if len(p) > 0 { + base = uintptr(unsafe.Pointer(&p[0])) + } + args := [6]uintptr{uintptr(s), base, uintptr(len(p)), uintptr(flags), uintptr(to), uintptr(addrlen)} + _, _, err := Syscall(SYS_SOCKETCALL, netSendTo, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return err + } + return nil +} + +func recvmsg(s int, msg *Msghdr, flags int) (int, error) { + args := [3]uintptr{uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)} + n, _, err := Syscall(SYS_SOCKETCALL, netRecvMsg, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return 0, err + } + return int(n), nil +} + +func sendmsg(s int, msg *Msghdr, flags int) (int, error) { + args := [3]uintptr{uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)} + n, _, err := Syscall(SYS_SOCKETCALL, netSendMsg, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return 0, err + } + return int(n), nil +} + +func Listen(s int, n int) error { + args := [2]uintptr{uintptr(s), uintptr(n)} + _, _, err := Syscall(SYS_SOCKETCALL, netListen, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return err + } + return nil +} + +func Shutdown(s, how int) error { + args := [2]uintptr{uintptr(s), uintptr(how)} + _, _, err := Syscall(SYS_SOCKETCALL, netShutdown, uintptr(unsafe.Pointer(&args)), 0) + if err != 0 { + return err + } + return nil +} + +//sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) + +func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error { + cmdlineLen := len(cmdline) + if cmdlineLen > 0 { + // Account for the additional NULL byte added by + // BytePtrFromString in kexecFileLoad. The kexec_file_load + // syscall expects a NULL-terminated string. + cmdlineLen++ + } + return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags) +} |