gnu/dist/gdb6/bfd/libieee.h

   1 /* IEEE-695 object file formats:  definitions internal to BFD.
   2    Copyright 1990, 1991, 1992, 1994, 1996, 2001, 2002
   3    Free Software Foundation, Inc.
   4    Written by Cygnus Support.  Mostly Steve Chamberlain's fault.
   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 2 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, MA 02110-1301, USA.  */
  21
  22 typedef struct {
  23   unsigned int index:24;
  24   char letter;
  25 } ieee_symbol_index_type;
  26
  27 typedef struct ct {
  28   bfd *this;
  29   struct ct *next;
  30 } bfd_chain_type;
  31
  32 typedef struct ieee_symbol
  33 {
  34   asymbol symbol;
  35   struct ieee_symbol *next;
  36
  37   unsigned int index;
  38 } ieee_symbol_type;
  39
  40
  41 typedef struct ieee_reloc {
  42   arelent relent;
  43   struct ieee_reloc *next;
  44   ieee_symbol_index_type symbol;
  45
  46 } ieee_reloc_type;
  47
  48 #define ieee_symbol(x) ((ieee_symbol_type *)(x))
  49
  50 typedef struct ieee_per_section
  51 {
  52   asection *section;
  53   bfd_byte *data;
  54   bfd_vma offset;
  55   bfd_vma pc;
  56   /* For output */
  57   file_ptr current_pos;
  58   unsigned int current_byte;
  59   bfd_boolean initialized;
  60   ieee_reloc_type **reloc_tail_ptr;
  61 } ieee_per_section_type;
  62
  63 #define ieee_per_section(x) ((ieee_per_section_type *)((x)->used_by_bfd))
  64
  65 typedef struct {
  66   unsigned char *input_p;
  67   unsigned char *first_byte;
  68   unsigned char *last_byte;
  69   bfd *abfd;
  70 } common_header_type ;
  71
  72 typedef struct ieee_data_struct
  73 {
  74   common_header_type h;
  75   bfd_boolean read_symbols;
  76   bfd_boolean read_data;
  77   file_ptr output_cursor;
  78   /* Map of section indexes to section ptrs */
  79   asection **section_table;
  80   unsigned int section_table_size;
  81   ieee_address_descriptor_type ad;
  82   ieee_module_begin_type mb;
  83   ieee_w_variable_type w;
  84
  85   unsigned int section_count;
  86
  87   unsigned int map_idx;
  88   /* List of GLOBAL EXPORT symbols */
  89   ieee_symbol_type *external_symbols;
  90   /* List of UNDEFINED symbols */
  91   ieee_symbol_type *external_reference;
  92
  93   /* When the symbols have been canonicalized, they are in a
  94     * special order, we remember various bases here.. */
  95   unsigned int external_symbol_max_index;
  96   unsigned int external_symbol_min_index;
  97   unsigned int external_symbol_count;
  98   int external_symbol_base_offset;
  99
 100   unsigned int external_reference_max_index;
 101   unsigned int external_reference_min_index;
 102   unsigned int external_reference_count;
 103   int external_reference_base_offset;
 104
 105
 106   bfd_boolean symbol_table_full;
 107
 108
 109 bfd_boolean done_debug;
 110
 111
 112 bfd_chain_type *chain_head;
 113 bfd_chain_type *chain_root;
 114
 115 } ieee_data_type;
 116
 117 typedef struct {
 118   file_ptr file_offset;
 119   bfd *abfd;
 120 } ieee_ar_obstack_type;
 121
 122 typedef struct ieee_ar_data_struct
 123 {
 124   common_header_type h;
 125   ieee_ar_obstack_type *elements;
 126
 127   unsigned  int element_index ;
 128   unsigned int element_count;
 129
 130 } ieee_ar_data_type;
 131
 132 #define IEEE_DATA(abfd) ((abfd)->tdata.ieee_data)
 133 #define IEEE_AR_DATA(abfd) ((abfd)->tdata.ieee_ar_data)
 134
 135 #define ptr(abfd) (ieee_data(abfd)->input_p)