bfd/libieee.h

   1 /* IEEE-695 object file formats:  definitions internal to BFD.
   2    Copyright (C) 1990-2017 Free Software Foundation, Inc.
   3    Written by Cygnus Support.  Mostly Steve Chamberlain's fault.
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20    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 *end_p;
  68   unsigned char *first_byte;
  69   unsigned char *last_byte;
  70   bfd_size_type total_amt;
  71   bfd *abfd;
  72 } common_header_type ;
  73
  74 typedef struct ieee_data_struct
  75 {
  76   common_header_type h;
  77   bfd_boolean read_symbols;
  78   bfd_boolean read_data;
  79   file_ptr output_cursor;
  80   /* Map of section indexes to section ptrs */
  81   asection **section_table;
  82   unsigned int section_table_size;
  83   ieee_address_descriptor_type ad;
  84   ieee_module_begin_type mb;
  85   ieee_w_variable_type w;
  86
  87   unsigned int section_count;
  88
  89   unsigned int map_idx;
  90   /* List of GLOBAL EXPORT symbols */
  91   ieee_symbol_type *external_symbols;
  92   /* List of UNDEFINED symbols */
  93   ieee_symbol_type *external_reference;
  94
  95   /* When the symbols have been canonicalized, they are in a
  96     * special order, we remember various bases here.. */
  97   unsigned int external_symbol_max_index;
  98   unsigned int external_symbol_min_index;
  99   unsigned int external_symbol_count;
 100   int external_symbol_base_offset;
 101
 102   unsigned int external_reference_max_index;
 103   unsigned int external_reference_min_index;
 104   unsigned int external_reference_count;
 105   int external_reference_base_offset;
 106
 107
 108   bfd_boolean symbol_table_full;
 109
 110
 111 bfd_boolean done_debug;
 112
 113
 114 bfd_chain_type *chain_head;
 115 bfd_chain_type *chain_root;
 116
 117 } ieee_data_type;
 118
 119 typedef struct {
 120   file_ptr file_offset;
 121   bfd *abfd;
 122 } ieee_ar_obstack_type;
 123
 124 typedef struct ieee_ar_data_struct
 125 {
 126   common_header_type h;
 127   ieee_ar_obstack_type *elements;
 128
 129   unsigned  int element_index ;
 130   unsigned int element_count;
 131
 132 } ieee_ar_data_type;
 133
 134 #define IEEE_DATA(abfd) ((abfd)->tdata.ieee_data)
 135 #define IEEE_AR_DATA(abfd) ((abfd)->tdata.ieee_ar_data)
 136
 137 #define ptr(abfd) (ieee_data(abfd)->input_p)