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.
15 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
17 //sys Dup2(oldfd int, newfd int) (err error)
18 //sysnb EpollCreate(size int) (fd int, err error)
19 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
20 //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
21 //sys Fchown(fd int, uid int, gid int) (err error)
22 //sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64
23 //sysnb Getegid() (egid int)
24 //sysnb Geteuid() (euid int)
25 //sysnb Getgid() (gid int)
26 //sysnb Getuid() (uid int)
27 //sys Lchown(path string, uid int, gid int) (err error)
28 //sys Listen(s int, n int) (err error)
29 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
30 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
31 //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
32 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
33 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
34 //sys Setfsgid(gid int) (err error)
35 //sys Setfsuid(uid int) (err error)
36 //sysnb Setregid(rgid int, egid int) (err error)
37 //sysnb Setresgid(rgid int, egid int, sgid int) (err error)
38 //sysnb Setresuid(ruid int, euid int, suid int) (err error)
39 //sysnb Setreuid(ruid int, euid int) (err error)
40 //sys Shutdown(fd int, how int) (err error)
41 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
42 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error)
43 //sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64
44 //sys Ustat(dev int, ubuf *Ustat_t) (err error)
45 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
46 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
47 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
48 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
49 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error)
50 //sysnb setgroups(n int, list *_Gid_t) (err error)
51 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
52 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
53 //sysnb socket(domain int, typ int, proto int) (fd int, err error)
54 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
55 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
56 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
57 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
58 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
59 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
60 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
62 //sysnb InotifyInit() (fd int, err error)
63 //sys Ioperm(from int, num int, on int) (err error)
64 //sys Iopl(level int) (err error)
66 //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error)
67 //sysnb Gettimeofday(tv *Timeval) (err error)
68 //sysnb Time(t *Time_t) (tt Time_t, err error)
69 //sys Utime(path string, buf *Utimbuf) (err error)
70 //sys utimes(path string, times *[2]Timeval) (err error)
72 //sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
73 //sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
74 //sys Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
75 //sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
77 //sys Pause() (err error)
79 func Fstatfs(fd int, buf *Statfs_t) (err error) {
80 _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
87 func Statfs(path string, buf *Statfs_t) (err error) {
88 p, err := BytePtrFromString(path)
92 _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
99 func Seek(fd int, offset int64, whence int) (off int64, err error) {
100 _, _, e := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offset>>32), uintptr(offset), uintptr(unsafe.Pointer(&off)), uintptr(whence), 0)
107 func setTimespec(sec, nsec int64) Timespec {
108 return Timespec{Sec: int32(sec), Nsec: int32(nsec)}
111 func setTimeval(sec, usec int64) Timeval {
112 return Timeval{Sec: int32(sec), Usec: int32(usec)}
115 //sysnb pipe2(p *[2]_C_int, flags int) (err error)
117 func Pipe2(p []int, flags int) (err error) {
122 err = pipe2(&pp, flags)
128 //sysnb pipe() (p1 int, p2 int, err error)
130 func Pipe(p []int) (err error) {
134 p[0], p[1], err = pipe()
138 //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error)
140 func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) {
141 page := uintptr(offset / 4096)
142 if offset != int64(page)*4096 {
145 return mmap2(addr, length, prot, flags, fd, page)
148 const rlimInf32 = ^uint32(0)
149 const rlimInf64 = ^uint64(0)
151 type rlimit32 struct {
156 //sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT
158 func Getrlimit(resource int, rlim *Rlimit) (err error) {
159 err = prlimit(0, resource, nil, rlim)
165 err = getrlimit(resource, &rl)
170 if rl.Cur == rlimInf32 {
173 rlim.Cur = uint64(rl.Cur)
176 if rl.Max == rlimInf32 {
179 rlim.Max = uint64(rl.Max)
184 //sysnb setrlimit(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT
186 func Setrlimit(resource int, rlim *Rlimit) (err error) {
187 err = prlimit(0, resource, rlim, nil)
193 if rlim.Cur == rlimInf64 {
195 } else if rlim.Cur < uint64(rlimInf32) {
196 rl.Cur = uint32(rlim.Cur)
200 if rlim.Max == rlimInf64 {
202 } else if rlim.Max < uint64(rlimInf32) {
203 rl.Max = uint32(rlim.Max)
208 return setrlimit(resource, &rl)
211 func (r *PtraceRegs) PC() uint64 { return r.Epc }
213 func (r *PtraceRegs) SetPC(pc uint64) { r.Epc = pc }
215 func (iov *Iovec) SetLen(length int) {
216 iov.Len = uint32(length)
219 func (msghdr *Msghdr) SetControllen(length int) {
220 msghdr.Controllen = uint32(length)
223 func (cmsg *Cmsghdr) SetLen(length int) {
224 cmsg.Len = uint32(length)
227 //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error)
229 func Poll(fds []PollFd, timeout int) (n int, err error) {
231 return poll(nil, 0, timeout)
233 return poll(&fds[0], len(fds), timeout)