syscall: openbsd amd64 syscall support
Add support for syscalls on openbsd amd64. This is based on the
existing freebsd amd64 implementation.
R=mikioh.mikioh, rsc, yourcomputerpal
CC=golang-dev
https://golang.org/cl/4798060
diff --git a/src/pkg/syscall/syscall_openbsd.go b/src/pkg/syscall/syscall_openbsd.go
new file mode 100644
index 0000000..da1bd4d
--- /dev/null
+++ b/src/pkg/syscall/syscall_openbsd.go
@@ -0,0 +1,261 @@
+// Copyright 2009,2010 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.
+
+// OpenBSD system calls.
+// This file is compiled as ordinary Go code,
+// but it is also input to mksyscall,
+// which parses the //sys lines and generates system call stubs.
+// Note that sometimes we use a lowercase //sys name and wrap
+// it in our own nicer implementation, either here or in
+// syscall_bsd.go or syscall_unix.go.
+
+package syscall
+
+import "unsafe"
+
+const OS = "openbsd"
+
+type SockaddrDatalink struct {
+ Len uint8
+ Family uint8
+ Index uint16
+ Type uint8
+ Nlen uint8
+ Alen uint8
+ Slen uint8
+ Data [24]int8
+ raw RawSockaddrDatalink
+}
+
+func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2, err uintptr)
+
+// ParseDirent parses up to max directory entries in buf,
+// appending the names to names. It returns the number
+// bytes consumed from buf, the number of entries added
+// to names, and the new names slice.
+func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
+ origlen := len(buf)
+ for max != 0 && len(buf) > 0 {
+ dirent := (*Dirent)(unsafe.Pointer(&buf[0]))
+ if dirent.Reclen == 0 {
+ buf = nil
+ break
+ }
+ buf = buf[dirent.Reclen:]
+ if dirent.Fileno == 0 { // File absent in directory.
+ continue
+ }
+ bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0]))
+ var name = string(bytes[0:dirent.Namlen])
+ if name == "." || name == ".." { // Useless names
+ continue
+ }
+ max--
+ count++
+ names = append(names, name)
+ }
+ return origlen - len(buf), count, names
+}
+
+//sysnb pipe(p *[2]_C_int) (errno int)
+func Pipe(p []int) (errno int) {
+ if len(p) != 2 {
+ return EINVAL
+ }
+ var pp [2]_C_int
+ errno = pipe(&pp)
+ p[0] = int(pp[0])
+ p[1] = int(pp[1])
+ return
+}
+
+// TODO
+func Sendfile(outfd int, infd int, offset *int64, count int) (written int, errno int) {
+ return -1, ENOSYS
+}
+
+/*
+ * Exposed directly
+ */
+//sys Access(path string, mode uint32) (errno int)
+//sys Adjtime(delta *Timeval, olddelta *Timeval) (errno int)
+//sys Chdir(path string) (errno int)
+//sys Chflags(path string, flags int) (errno int)
+//sys Chmod(path string, mode uint32) (errno int)
+//sys Chown(path string, uid int, gid int) (errno int)
+//sys Chroot(path string) (errno int)
+//sys Close(fd int) (errno int)
+//sysnb Dup(fd int) (nfd int, errno int)
+//sysnb Dup2(from int, to int) (errno int)
+//sys Exit(code int)
+//sys Fchdir(fd int) (errno int)
+//sys Fchflags(path string, flags int) (errno int)
+//sys Fchmod(fd int, mode uint32) (errno int)
+//sys Fchown(fd int, uid int, gid int) (errno int)
+//sys Flock(fd int, how int) (errno int)
+//sys Fpathconf(fd int, name int) (val int, errno int)
+//sys Fstat(fd int, stat *Stat_t) (errno int)
+//sys Fstatfs(fd int, stat *Statfs_t) (errno int)
+//sys Fsync(fd int) (errno int)
+//sys Ftruncate(fd int, length int64) (errno int)
+//sys Getdirentries(fd int, buf []byte, basep *uintptr) (n int, errno int)
+//sysnb Getegid() (egid int)
+//sysnb Geteuid() (uid int)
+//sys Getfsstat(buf []Statfs_t, flags int) (n int, errno int)
+//sysnb Getgid() (gid int)
+//sysnb Getpgid(pid int) (pgid int, errno int)
+//sysnb Getpgrp() (pgrp int)
+//sysnb Getpid() (pid int)
+//sysnb Getppid() (ppid int)
+//sys Getpriority(which int, who int) (prio int, errno int)
+//sysnb Getrlimit(which int, lim *Rlimit) (errno int)
+//sysnb Getrusage(who int, rusage *Rusage) (errno int)
+//sysnb Getsid(pid int) (sid int, errno int)
+//sysnb Gettimeofday(tv *Timeval) (errno int)
+//sysnb Getuid() (uid int)
+//sys Issetugid() (tainted bool)
+//sys Kill(pid int, signum int) (errno int)
+//sys Kqueue() (fd int, errno int)
+//sys Lchown(path string, uid int, gid int) (errno int)
+//sys Link(path string, link string) (errno int)
+//sys Listen(s int, backlog int) (errno int)
+//sys Lstat(path string, stat *Stat_t) (errno int)
+//sys Mkdir(path string, mode uint32) (errno int)
+//sys Mkfifo(path string, mode uint32) (errno int)
+//sys Mknod(path string, mode uint32, dev int) (errno int)
+//sys Nanosleep(time *Timespec, leftover *Timespec) (errno int)
+//sys Open(path string, mode int, perm uint32) (fd int, errno int)
+//sys Pathconf(path string, name int) (val int, errno int)
+//sys Pread(fd int, p []byte, offset int64) (n int, errno int)
+//sys Pwrite(fd int, p []byte, offset int64) (n int, errno int)
+//sys Read(fd int, p []byte) (n int, errno int)
+//sys Readlink(path string, buf []byte) (n int, errno int)
+//sys Rename(from string, to string) (errno int)
+//sys Revoke(path string) (errno int)
+//sys Rmdir(path string) (errno int)
+//sys Seek(fd int, offset int64, whence int) (newoffset int64, errno int) = SYS_LSEEK
+//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (errno int)
+//sysnb Setegid(egid int) (errno int)
+//sysnb Seteuid(euid int) (errno int)
+//sysnb Setgid(gid int) (errno int)
+//sys Setlogin(name string) (errno int)
+//sysnb Setpgid(pid int, pgid int) (errno int)
+//sys Setpriority(which int, who int, prio int) (errno int)
+//sysnb Setregid(rgid int, egid int) (errno int)
+//sysnb Setreuid(ruid int, euid int) (errno int)
+//sysnb Setrlimit(which int, lim *Rlimit) (errno int)
+//sysnb Setsid() (pid int, errno int)
+//sysnb Settimeofday(tp *Timeval) (errno int)
+//sysnb Setuid(uid int) (errno int)
+//sys Stat(path string, stat *Stat_t) (errno int)
+//sys Statfs(path string, stat *Statfs_t) (errno int)
+//sys Symlink(path string, link string) (errno int)
+//sys Sync() (errno int)
+//sys Truncate(path string, length int64) (errno int)
+//sys Umask(newmask int) (oldmask int)
+//sys Unlink(path string) (errno int)
+//sys Unmount(path string, flags int) (errno int)
+//sys Write(fd int, p []byte) (n int, errno int)
+//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int)
+//sys munmap(addr uintptr, length uintptr) (errno int)
+//sys read(fd int, buf *byte, nbuf int) (n int, errno int)
+//sys write(fd int, buf *byte, nbuf int) (n int, errno int)
+
+/*
+ * Unimplemented
+ */
+// __getcwd
+// __semctl
+// __syscall
+// __sysctl
+// adjfreq
+// break
+// clock_getres
+// clock_gettime
+// clock_settime
+// closefrom
+// execve
+// faccessat
+// fchmodat
+// fchownat
+// fcntl
+// fhopen
+// fhstat
+// fhstatfs
+// fork
+// fstatat
+// futimens
+// getfh
+// getgid
+// getitimer
+// getlogin
+// getresgid
+// getresuid
+// getrtable
+// getthrid
+// ioctl
+// ktrace
+// lfs_bmapv
+// lfs_markv
+// lfs_segclean
+// lfs_segwait
+// linkat
+// mincore
+// minherit
+// mkdirat
+// mkfifoat
+// mknodat
+// mlock
+// mlockall
+// mount
+// mquery
+// msgctl
+// msgget
+// msgrcv
+// msgsnd
+// munlock
+// munlockall
+// nfssvc
+// nnpfspioctl
+// openat
+// poll
+// preadv
+// profil
+// pwritev
+// quotactl
+// readlinkat
+// readv
+// reboot
+// renameat
+// rfork
+// sched_yield
+// semget
+// semop
+// setgroups
+// setitimer
+// setresgid
+// setresuid
+// setrtable
+// setsockopt
+// shmat
+// shmctl
+// shmdt
+// shmget
+// sigaction
+// sigaltstack
+// sigpending
+// sigprocmask
+// sigreturn
+// sigsuspend
+// symlinkat
+// sysarch
+// syscall
+// threxit
+// thrsigdivert
+// thrsleep
+// thrwakeup
+// unlinkat
+// utimensat
+// vfork
+// writev
