bfd/libieee.h

   1 /* IEEE-695 object file formats:  definitions internal to BFD.
   2    Copyright 1990, 1991, 1992, 1994, 1996, 2001, 2002, 2007
   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 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 typedef struct {
  24   unsigned int index:24;
  25   char letter;
  26 } ieee_symbol_index_type;
  27
  28 typedef struct ct {
  29   bfd *this;
  30   struct ct *next;
  31 } bfd_chain_type;
  32
  33 typedef struct ieee_symbol
  34 {
  35   asymbol symbol;
  36   struct ieee_symbol *next;
  37
  38   unsigned int index;
  39 } ieee_symbol_type;
  40
  41
  42 typedef struct ieee_reloc {
  43   arelent relent;
  44   struct ieee_reloc *next;
  45   ieee_symbol_index_type symbol;
  46
  47 } ieee_reloc_type;
  48
  49 #define ieee_symbol(x) ((ieee_symbol_type *)(x))
  50
  51 typedef struct ieee_per_section
  52 {
  53   asection *section;
  54   bfd_byte *data;
  55   bfd_vma offset;
  56   bfd_vma pc;
  57   /* For output */
  58   file_ptr current_pos;
  59   unsigned int current_byte;
  60   bfd_boolean initialized;
  61   ieee_reloc_type **reloc_tail_ptr;
  62 } ieee_per_section_type;
  63
  64 #define ieee_per_section(x) ((ieee_per_section_type *)((x)->used_by_bfd))
  65
  66 typedef struct {
  67   unsigned char *input_p;
  68   unsigned char *first_byte;
  69   unsigned char *last_byte;
  70   bfd *abfd;
  71 } common_header_type ;
  72
  73 typedef struct ieee_data_struct
  74 {
  75   common_header_type h;
  76   bfd_boolean read_symbols;
  77   bfd_boolean read_data;
  78   file_ptr output_cursor;
  79   /* Map of section indexes to section ptrs */
  80   asection **section_table;
  81   unsigned int section_table_size;
  82   ieee_address_descriptor_type ad;
  83   ieee_module_begin_type mb;
  84   ieee_w_variable_type w;
  85
  86   unsigned int section_count;
  87
  88   unsigned int map_idx;
  89   /* List of GLOBAL EXPORT symbols */
  90   ieee_symbol_type *external_symbols;
  91   /* List of UNDEFINED symbols */
  92   ieee_symbol_type *external_reference;
  93
  94   /* When the symbols have been canonicalized, they are in a
  95     * special order, we remember various bases here.. */
  96   unsigned int external_symbol_max_index;
  97   unsigned int external_symbol_min_index;
  98   unsigned int external_symbol_count;
  99   int external_symbol_base_offset;
 100
 101   unsigned int external_reference_max_index;
 102   unsigned int external_reference_min_index;
 103   unsigned int external_reference_count;
 104   int external_reference_base_offset;
 105
 106
 107   bfd_boolean symbol_table_full;
 108
 109
 110 bfd_boolean done_debug;
 111
 112
 113 bfd_chain_type *chain_head;
 114 bfd_chain_type *chain_root;
 115
 116 } ieee_data_type;
 117
 118 typedef struct {
 119   file_ptr file_offset;
 120   bfd *abfd;
 121 } ieee_ar_obstack_type;
 122
 123 typedef struct ieee_ar_data_struct
 124 {
 125   common_header_type h;
 126   ieee_ar_obstack_type *elements;
 127
 128   unsigned  int element_index ;
 129   unsigned int element_count;
 130
 131 } ieee_ar_data_type;
 132
 133 #define IEEE_DATA(abfd) ((abfd)->tdata.ieee_data)
 134 #define IEEE_AR_DATA(abfd) ((abfd)->tdata.ieee_ar_data)
 135
 136 #define ptr(abfd) (ieee_data(abfd)->input_p)