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  1. /* NLM (NetWare Loadable Module) support for BFD.
  2.    Copyright (C) 1993-2015 Free Software Foundation, Inc.
  3.  
  4.    Written by Fred Fish @ Cygnus Support
  5.  
  6.    This file is part of BFD, the Binary File Descriptor library.
  7.  
  8.    This program is free software; you can redistribute it and/or modify
  9.    it under the terms of the GNU General Public License as published by
  10.    the Free Software Foundation; either version 3 of the License, or
  11.    (at your option) any later version.
  12.  
  13.    This program is distributed in the hope that it will be useful,
  14.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16.    GNU General Public License for more details.
  17.  
  18.    You should have received a copy of the GNU General Public License
  19.    along with this program; if not, write to the Free Software
  20.    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21.    MA 02110-1301, USA.  */
  22.  
  23. /* This file is part of NLM support for BFD, and contains the portions
  24.    that are common to both the internal and external representations.  */
  25.  
  26. /* If NLM_ARCH_SIZE is not defined, default to 32.  NLM_ARCH_SIZE is
  27.    optionally defined by the application.  */
  28.  
  29. #ifndef NLM_ARCH_SIZE
  30. #  define NLM_ARCH_SIZE                 32
  31. #endif
  32.  
  33. /* Due to horrible details of ANSI macro expansion, we can't use CONCAT4
  34.    for NLM_NAME.  CONCAT2 is used in BFD_JUMP_TABLE macros, and some of
  35.    them will expand to tokens that themselves are macros defined in terms
  36.    of NLM_NAME.  If NLM_NAME were defined using CONCAT4 (which is itself
  37.    defined in bfd-in.h using CONCAT2), ANSI preprocessor rules say that
  38.    the CONCAT2 within NLM_NAME should not be expanded.
  39.    So use another name.  */
  40. #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
  41. #ifdef SABER
  42. #define NLM_CAT4(a,b,c,d) a##b##c##d
  43. #else
  44. /* This hack is to avoid a problem with some strict ANSI C preprocessors.
  45.    The problem is, "32_" is not a valid preprocessing token, and we don't
  46.    want extra underscores (e.g., "nlm_32_").  The NLM_XCAT2 macro will
  47.    cause the inner CAT2 macros to be evaluated first, producing
  48.    still-valid pp-tokens.  Then the final concatenation can be done.  */
  49. #define NLM_CAT2(a,b)     a##b
  50. #define NLM_XCAT2(a,b)    NLM_CAT2(a,b)
  51. #define NLM_CAT4(a,b,c,d) NLM_XCAT2(NLM_CAT2(a,b),NLM_CAT2(c,d))
  52. #endif
  53. #else
  54. #define NLM_CAT4(a,b,c,d) a/**/b/**/c/**/d
  55. #endif
  56.  
  57. #if NLM_ARCH_SIZE == 32
  58. #  define NLM_TARGET_LONG_SIZE          4
  59. #  define NLM_TARGET_ADDRESS_SIZE       4
  60. #  define NLM_NAME(x,y)                 NLM_CAT4(x,32,_,y)
  61. #  define NLM_HIBIT                     (((bfd_vma) 1) << 31)
  62. #endif
  63. #if NLM_ARCH_SIZE == 64
  64. #  define NLM_TARGET_LONG_SIZE          8
  65. #  define NLM_TARGET_ADDRESS_SIZE       8
  66. #  define NLM_NAME(x,y)                 NLM_CAT4(x,64,_,y)
  67. #  define NLM_HIBIT                     (((bfd_vma) 1) << 63)
  68. #endif
  69.  
  70. #define NlmNAME(X)              NLM_NAME(Nlm,X)
  71. #define nlmNAME(X)              NLM_NAME(nlm,X)
  72.  
  73. /* Give names to things that should not change. */
  74.  
  75. #define NLM_MAX_DESCRIPTION_LENGTH              127
  76. #define NLM_MAX_SCREEN_NAME_LENGTH              71
  77. #define NLM_MAX_THREAD_NAME_LENGTH              71
  78. #define NLM_MAX_COPYRIGHT_MESSAGE_LENGTH        255
  79. #define NLM_OTHER_DATA_LENGTH                   400             /* FIXME */
  80. #define NLM_OLD_THREAD_NAME_LENGTH              5
  81. #define NLM_SIGNATURE_SIZE                      24
  82. #define NLM_HEADER_VERSION                      4
  83. #define NLM_MODULE_NAME_SIZE                    14
  84. #define NLM_DEFAULT_STACKSIZE                   (8 * 1024)
  86. /* Alpha information.  This should probably be in a separate Alpha
  87.    header file, but it can't go in alpha-ext.h because some of it is
  88.    needed by nlmconv.c.  */
  89.  
  90. /* Magic number in Alpha prefix header.  */
  91. #define NLM32_ALPHA_MAGIC (0x83561840)
  92.  
  93. /* The r_type field in an Alpha reloc is one of the following values.  */
  94. #define ALPHA_R_IGNORE          0
  95. #define ALPHA_R_REFLONG         1
  96. #define ALPHA_R_REFQUAD         2
  97. #define ALPHA_R_GPREL32         3
  98. #define ALPHA_R_LITERAL         4
  99. #define ALPHA_R_LITUSE          5
  100. #define ALPHA_R_GPDISP          6
  101. #define ALPHA_R_BRADDR          7
  102. #define ALPHA_R_HINT            8
  103. #define ALPHA_R_SREL16          9
  104. #define ALPHA_R_SREL32         10
  105. #define ALPHA_R_SREL64         11
  106. #define ALPHA_R_OP_PUSH        12
  107. #define ALPHA_R_OP_STORE       13
  108. #define ALPHA_R_OP_PSUB        14
  109. #define ALPHA_R_OP_PRSHIFT     15
  110. #define ALPHA_R_GPVALUE        16
  111. #define ALPHA_R_NW_RELOC      250
  112.  
  113. /* A local reloc, other than ALPHA_R_GPDISP or ALPHA_R_IGNORE, must be
  114.    against one of these symbol indices.  */
  115. #define ALPHA_RELOC_SECTION_TEXT        1
  116. #define ALPHA_RELOC_SECTION_DATA        3
  117.  
  118. /* An ALPHA_R_NW_RELOC has one of these values in the size field.  If
  119.    it is SETGP, the r_vaddr field holds the GP value to use.  If it is
  120.    LITA, the r_vaddr field holds the address of the .lita section and
  121.    the r_symndx field holds the size of the .lita section.  */
  122. #define ALPHA_R_NW_RELOC_SETGP  1
  123. #define ALPHA_R_NW_RELOC_LITA   2
  124.