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 7 package unix 8 9 import ( 10 "syscall" 11 "unsafe" 12 ) 13 14 func seek(fd int, offset int64, whence int) (int64, syscall.Errno) { 15 var newoffset int64 16 offsetLow := uint32(offset & 0xffffffff) 17 offsetHigh := uint32((offset >> 32) & 0xffffffff) 18 _, _, err := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offsetHigh), uintptr(offsetLow), uintptr(unsafe.Pointer(&newoffset)), uintptr(whence), 0) 19 return newoffset, err 20 } 21