| // Copyright 2009 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. |
| |
| package syscall |
| |
| func Getpagesize() int { return 4096 } |
| |
| func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } |
| |
| func NsecToTimespec(nsec int64) (ts Timespec) { |
| ts.Sec = int32(nsec / 1e9) |
| ts.Nsec = int32(nsec % 1e9) |
| return |
| } |
| |
| func NsecToTimeval(nsec int64) (tv Timeval) { |
| nsec += 999 // round up to microsecond |
| tv.Sec = int32(nsec / 1e9) |
| tv.Usec = int32(nsec % 1e9 / 1e3) |
| return |
| } |
| |
| // Seek is defined in assembly. |
| |
| func Seek(fd int, offset int64, whence int) (newoffset int64, err error) |
| |
| //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) |
| //sys bind(s int, addr uintptr, addrlen _Socklen) (err error) |
| //sys connect(s int, addr uintptr, addrlen _Socklen) (err error) |
| //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) = SYS_GETGROUPS32 |
| //sysnb setgroups(n int, list *_Gid_t) (err error) = SYS_SETGROUPS32 |
| //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) |
| //sys setsockopt(s int, level int, name int, val uintptr, vallen uintptr) (err error) |
| //sysnb socket(domain int, typ int, proto int) (fd int, err error) |
| //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) |
| //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) |
| //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) |
| //sys sendto(s int, buf []byte, flags int, to uintptr, addrlen _Socklen) (err error) |
| //sysnb socketpair(domain int, typ int, flags int, fd *[2]int) (err error) |
| //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) |
| //sys sendmsg(s int, msg *Msghdr, flags int) (err error) |
| |
| // 64-bit file system and 32-bit uid calls |
| // (16-bit uid calls are not always supported in newer kernels) |
| //sys Chown(path string, uid int, gid int) (err error) = SYS_CHOWN32 |
| //sys Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32 |
| //sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64 |
| //sys Fstatfs(fd int, buf *Statfs_t) (err error) = SYS_FSTATFS64 |
| //sysnb Getegid() (egid int) = SYS_GETEGID32 |
| //sysnb Geteuid() (euid int) = SYS_GETEUID32 |
| //sysnb Getgid() (gid int) = SYS_GETGID32 |
| //sysnb Getuid() (uid int) = SYS_GETUID32 |
| //sys Lchown(path string, uid int, gid int) (err error) = SYS_LCHOWN32 |
| //sys Listen(s int, n int) (err error) |
| //sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 |
| //sys Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 |
| //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT |
| //sys Setfsgid(gid int) (err error) = SYS_SETFSGID32 |
| //sys Setfsuid(uid int) (err error) = SYS_SETFSUID32 |
| //sysnb Setgid(gid int) (err error) = SYS_SETGID32 |
| //sysnb Setregid(rgid int, egid int) (err error) = SYS_SETREGID32 |
| //sysnb Setresgid(rgid int, egid int, sgid int) (err error) = SYS_SETRESGID32 |
| //sysnb Setresuid(ruid int, euid int, suid int) (err error) = SYS_SETRESUID32 |
| //sysnb Setreuid(ruid int, euid int) (err error) = SYS_SETREUID32 |
| //sys Shutdown(fd int, how int) (err error) |
| //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) |
| //sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 |
| //sys Statfs(path string, buf *Statfs_t) (err error) = SYS_STATFS64 |
| |
| // Vsyscalls on amd64. |
| //sysnb Gettimeofday(tv *Timeval) (err error) |
| //sysnb Time(t *Time_t) (tt Time_t, 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 Truncate(path string, length int64) (err error) = SYS_TRUNCATE64 |
| //sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64 |
| |
| //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) |
| |
| func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { |
| page := uintptr(offset / 4096) |
| if offset != int64(page)*4096 { |
| return 0, EINVAL |
| } |
| return mmap2(addr, length, prot, flags, fd, page) |
| } |
| |
| // TODO(kaib): add support for tracing |
| func (r *PtraceRegs) PC() uint64 { return 0 } |
| |
| func (r *PtraceRegs) SetPC(pc uint64) {} |
| |
| func (iov *Iovec) SetLen(length int) { |
| iov.Len = uint32(length) |
| } |
| |
| func (msghdr *Msghdr) SetControllen(length int) { |
| msghdr.Controllen = uint32(length) |
| } |
| |
| func (cmsg *Cmsghdr) SetLen(length int) { |
| cmsg.Len = uint32(length) |
| } |
