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