Source code pulled from OpenBSD for OpenNTPD. The place to contribute to this code is via the OpenBSD CVS tree.
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  1. /* $OpenBSD: nlist.h,v 1.4 2003/06/02 19:34:12 millert Exp $ */
  2. /* $NetBSD: nlist.h,v 1.5 1994/10/26 00:56:11 cgd Exp $ */
  3. /*-
  4. * Copyright (c) 1991, 1993
  5. * The Regents of the University of California. All rights reserved.
  6. * (c) UNIX System Laboratories, Inc.
  7. * All or some portions of this file are derived from material licensed
  8. * to the University of California by American Telephone and Telegraph
  9. * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  10. * the permission of UNIX System Laboratories, Inc.
  11. *
  12. * Redistribution and use in source and binary forms, with or without
  13. * modification, are permitted provided that the following conditions
  14. * are met:
  15. * 1. Redistributions of source code must retain the above copyright
  16. * notice, this list of conditions and the following disclaimer.
  17. * 2. Redistributions in binary form must reproduce the above copyright
  18. * notice, this list of conditions and the following disclaimer in the
  19. * documentation and/or other materials provided with the distribution.
  20. * 3. Neither the name of the University nor the names of its contributors
  21. * may be used to endorse or promote products derived from this software
  22. * without specific prior written permission.
  23. *
  24. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34. * SUCH DAMAGE.
  35. *
  36. * @(#)nlist.h 8.2 (Berkeley) 1/21/94
  37. */
  38. #ifndef _NLIST_H_
  39. #define _NLIST_H_
  40. /*
  41. * Symbol table entry format. The #ifdef's are so that programs including
  42. * nlist.h can initialize nlist structures statically.
  43. */
  44. struct nlist {
  45. #ifdef _AOUT_INCLUDE_
  46. union {
  47. char *n_name; /* symbol name (in memory) */
  48. long n_strx; /* file string table offset (on disk) */
  49. } n_un;
  50. #else
  51. char *n_name; /* symbol name (in memory) */
  52. #endif
  53. #define N_UNDF 0x00 /* undefined */
  54. #define N_ABS 0x02 /* absolute address */
  55. #define N_TEXT 0x04 /* text segment */
  56. #define N_DATA 0x06 /* data segment */
  57. #define N_BSS 0x08 /* bss segment */
  58. #define N_INDR 0x0a /* alias definition */
  59. #define N_SIZE 0x0c /* pseudo type, defines a symbol's size */
  60. #define N_COMM 0x12 /* common reference */
  61. #define N_FN 0x1e /* file name (N_EXT on) */
  62. #define N_WARN 0x1e /* warning message (N_EXT off) */
  63. #define N_EXT 0x01 /* external (global) bit, OR'ed in */
  64. #define N_TYPE 0x1e /* mask for all the type bits */
  65. unsigned char n_type; /* type defines */
  66. char n_other; /* spare */
  67. #define n_hash n_desc /* used internally by ld(1); XXX */
  68. short n_desc; /* used by stab entries */
  69. unsigned long n_value; /* address/value of the symbol */
  70. };
  71. #define N_FORMAT "%08x" /* namelist value format; XXX */
  72. #define N_STAB 0x0e0 /* mask for debugger symbols -- stab(5) */
  73. #include <sys/cdefs.h>
  74. __BEGIN_DECLS
  75. int nlist(const char *, struct nlist *);
  76. __END_DECLS
  77. #endif /* !_NLIST_H_ */