htonl.S 2.1 KB

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  1. /* $NetBSD: byte_swap_4.S,v 1.1 2001/06/19 00:22:45 fvdl Exp $ */
  2. /*-
  3. * Copyright (c) 1990 The Regents of the University of California.
  4. * All rights reserved.
  5. *
  6. * This code is derived from software contributed to Berkeley by
  7. * William Jolitz.
  8. *
  9. * Redistribution and use in source and binary forms, with or without
  10. * modification, are permitted provided that the following conditions
  11. * are met:
  12. * 1. Redistributions of source code must retain the above copyright
  13. * notice, this list of conditions and the following disclaimer.
  14. * 2. Redistributions in binary form must reproduce the above copyright
  15. * notice, this list of conditions and the following disclaimer in the
  16. * documentation and/or other materials provided with the distribution.
  17. * 3. All advertising materials mentioning features or use of this software
  18. * must display the following acknowledgement:
  19. * This product includes software developed by the University of
  20. * California, Berkeley and its contributors.
  21. * 4. Neither the name of the University nor the names of its contributors
  22. * may be used to endorse or promote products derived from this software
  23. * without specific prior written permission.
  24. *
  25. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  26. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  29. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  31. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35. * SUCH DAMAGE.
  36. *
  37. * from: @(#)htonl.s 5.3 (Berkeley) 12/17/90
  38. */
  39. #include <machine/asm.h>
  40. _ENTRY(_C_LABEL(htonl))
  41. _ENTRY(_C_LABEL(ntohl))
  42. _ENTRY(_C_LABEL(bswap32))
  43. _PROF_PROLOGUE
  44. movl %edi,%eax
  45. bswap %eax
  46. ret