1// Copyright 2018 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. 4 5//go:build linux && gccgo && arm 6// +build linux,gccgo,arm 7 8package unix 9 10import ( 11 "syscall" 12 "unsafe" 13) 14 15func seek(fd int, offset int64, whence int) (int64, syscall.Errno) { 16 var newoffset int64 17 offsetLow := uint32(offset & 0xffffffff) 18 offsetHigh := uint32((offset >> 32) & 0xffffffff) 19 _, _, err := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offsetHigh), uintptr(offsetLow), uintptr(unsafe.Pointer(&newoffset)), uintptr(whence), 0) 20 return newoffset, err 21} 22