diff options
Diffstat (limited to 'src/pkg/syscall/syscall_linux_386.go')
-rw-r--r-- | src/pkg/syscall/syscall_linux_386.go | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/src/pkg/syscall/syscall_linux_386.go b/src/pkg/syscall/syscall_linux_386.go deleted file mode 100644 index 44891de87..000000000 --- a/src/pkg/syscall/syscall_linux_386.go +++ /dev/null @@ -1,218 +0,0 @@ -// 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 - -import "unsafe" - -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 TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } - -func NsecToTimeval(nsec int64) (tv Timeval) { - nsec += 999 // round up to microsecond - tv.Sec = int32(nsec / 1e9) - tv.Usec = int32(nsec % 1e9 / 1e3) - return -} - -// 64-bit file system and 32-bit uid calls -// (386 default is 32-bit file system and 16-bit uid). -//sys Chown(path string, uid int, gid int) (errno int) = SYS_CHOWN32 -//sys Fchown(fd int, uid int, gid int) (errno int) = SYS_FCHOWN32 -//sys Fstat(fd int, stat *Stat_t) (errno int) = SYS_FSTAT64 -//sys Ftruncate(fd int, length int64) (errno int) = SYS_FTRUNCATE64 -//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 Ioperm(from int, num int, on int) (errno int) -//sys Iopl(level int) (errno int) -//sys Lchown(path string, uid int, gid int) (errno int) = SYS_LCHOWN32 -//sys Lstat(path string, stat *Stat_t) (errno int) = SYS_LSTAT64 -//sys Pread(fd int, p []byte, offset int64) (n int, errno int) = SYS_PREAD64 -//sys Pwrite(fd int, p []byte, offset int64) (n int, errno int) = SYS_PWRITE64 -//sys Sendfile(outfd int, infd int, offset *int64, count int) (written int, errno int) = SYS_SENDFILE64 -//sys Setfsgid(gid int) (errno int) = SYS_SETFSGID32 -//sys Setfsuid(uid int) (errno int) = SYS_SETFSUID32 -//sysnb Setgid(gid int) (errno int) = SYS_SETGID32 -//sysnb Setregid(rgid int, egid int) (errno int) = SYS_SETREGID32 -//sysnb Setresgid(rgid int, egid int, sgid int) (errno int) = SYS_SETRESGID32 -//sysnb Setresuid(ruid int, euid int, suid int) (errno int) = SYS_SETRESUID32 -//sysnb Setreuid(ruid int, euid int) (errno int) = SYS_SETREUID32 -//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, errno int) -//sys Stat(path string, stat *Stat_t) (errno int) = SYS_STAT64 -//sys SyncFileRange(fd int, off int64, n int64, flags int) (errno int) -//sys Truncate(path string, length int64) (errno int) = SYS_TRUNCATE64 -//sysnb getgroups(n int, list *_Gid_t) (nn int, errno int) = SYS_GETGROUPS32 -//sysnb setgroups(n int, list *_Gid_t) (errno int) = SYS_SETGROUPS32 -//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, errno int) = SYS__NEWSELECT - -//sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, errno int) - -func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, errno int) { - page := uintptr(offset / 4096) - if offset != int64(page)*4096 { - return 0, EINVAL - } - return mmap2(addr, length, prot, flags, fd, page) -} - -// Underlying system call writes to newoffset via pointer. -// Implemented in assembly to avoid allocation. -func Seek(fd int, offset int64, whence int) (newoffset int64, errno int) - -// Vsyscalls on amd64. -//sysnb Gettimeofday(tv *Timeval) (errno int) -//sysnb Time(t *Time_t) (tt Time_t, errno int) - -// On x86 Linux, all the socket calls go through an extra indirection, -// I think because the 5-register system call interface can't handle -// the 6-argument calls like sendto and recvfrom. Instead the -// arguments to the underlying system call are the number below -// and a pointer to an array of uintptr. We hide the pointer in the -// socketcall assembly to avoid allocation on every system call. - -const ( - // see linux/net.h - _SOCKET = 1 - _BIND = 2 - _CONNECT = 3 - _LISTEN = 4 - _ACCEPT = 5 - _GETSOCKNAME = 6 - _GETPEERNAME = 7 - _SOCKETPAIR = 8 - _SEND = 9 - _RECV = 10 - _SENDTO = 11 - _RECVFROM = 12 - _SHUTDOWN = 13 - _SETSOCKOPT = 14 - _GETSOCKOPT = 15 - _SENDMSG = 16 - _RECVMSG = 17 -) - -func socketcall(call int, a0, a1, a2, a3, a4, a5 uintptr) (n int, errno int) -func rawsocketcall(call int, a0, a1, a2, a3, a4, a5 uintptr) (n int, errno int) - -func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, errno int) { - fd, errno = socketcall(_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), 0, 0, 0) - return -} - -func getsockname(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int) { - _, errno = rawsocketcall(_GETSOCKNAME, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), 0, 0, 0) - return -} - -func getpeername(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int) { - _, errno = rawsocketcall(_GETPEERNAME, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), 0, 0, 0) - return -} - -func socketpair(domain int, typ int, flags int, fd *[2]int) (errno int) { - _, errno = rawsocketcall(_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(flags), uintptr(unsafe.Pointer(fd)), 0, 0) - return -} - -func bind(s int, addr uintptr, addrlen _Socklen) (errno int) { - _, errno = socketcall(_BIND, uintptr(s), uintptr(addr), uintptr(addrlen), 0, 0, 0) - return -} - -func connect(s int, addr uintptr, addrlen _Socklen) (errno int) { - _, errno = socketcall(_CONNECT, uintptr(s), uintptr(addr), uintptr(addrlen), 0, 0, 0) - return -} - -func socket(domain int, typ int, proto int) (fd int, errno int) { - fd, errno = rawsocketcall(_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto), 0, 0, 0) - return -} - -func getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (errno int) { - _, errno = socketcall(_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0) - return -} - -func setsockopt(s int, level int, name int, val uintptr, vallen uintptr) (errno int) { - _, errno = socketcall(_SETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), val, vallen, 0) - return -} - -func recvfrom(s int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, errno int) { - var base uintptr - if len(p) > 0 { - base = uintptr(unsafe.Pointer(&p[0])) - } - n, errno = socketcall(_RECVFROM, uintptr(s), base, uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen))) - return -} - -func sendto(s int, p []byte, flags int, to uintptr, addrlen _Socklen) (errno int) { - var base uintptr - if len(p) > 0 { - base = uintptr(unsafe.Pointer(&p[0])) - } - _, errno = socketcall(_SENDTO, uintptr(s), base, uintptr(len(p)), uintptr(flags), to, uintptr(addrlen)) - return -} - -func recvmsg(s int, msg *Msghdr, flags int) (n int, errno int) { - n, errno = socketcall(_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags), 0, 0, 0) - return -} - -func sendmsg(s int, msg *Msghdr, flags int) (errno int) { - _, errno = socketcall(_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags), 0, 0, 0) - return -} - -func Listen(s int, n int) (errno int) { - _, errno = socketcall(_LISTEN, uintptr(s), uintptr(n), 0, 0, 0, 0) - return -} - -func Shutdown(s, how int) (errno int) { - _, errno = socketcall(_SHUTDOWN, uintptr(s), uintptr(how), 0, 0, 0, 0) - return -} - -func Fstatfs(fd int, buf *Statfs_t) (errno int) { - _, _, e1 := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) - errno = int(e1) - return -} - -func Statfs(path string, buf *Statfs_t) (errno int) { - _, _, e1 := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(StringBytePtr(path))), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) - errno = int(e1) - return -} - -func (r *PtraceRegs) PC() uint64 { return uint64(uint32(r.Eip)) } - -func (r *PtraceRegs) SetPC(pc uint64) { r.Eip = int32(pc) } - -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) -} |