binutils-gdb/bfd/libieee.h

/* IEEE-695 object file formats:  definitions internal to BFD.
   Copyright (C) 1990-2018 Free Software Foundation, Inc.
   Written by Cygnus Support.  Mostly Steve Chamberlain's fault.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

typedef struct {
  unsigned int index:24;
  char letter;
} ieee_symbol_index_type;

typedef struct ct {
  bfd *this;
  struct ct *next;
} bfd_chain_type;

typedef struct ieee_symbol
{
  asymbol symbol;
  struct ieee_symbol *next;

  unsigned int index;
} ieee_symbol_type;


typedef struct ieee_reloc {
  arelent relent;
  struct ieee_reloc *next;
  ieee_symbol_index_type symbol;

} ieee_reloc_type;

#define ieee_symbol(x) ((ieee_symbol_type *)(x))

typedef struct ieee_per_section
{
  asection *section;
  bfd_byte *data;
  bfd_vma offset;
  bfd_vma pc;
  /* For output */
  file_ptr current_pos;
  unsigned int current_byte;
  bfd_boolean initialized;
  ieee_reloc_type **reloc_tail_ptr;
} ieee_per_section_type;

#define ieee_per_section(x) ((ieee_per_section_type *)((x)->used_by_bfd))

typedef struct {
  unsigned char *input_p;
  unsigned char *end_p;
  unsigned char *first_byte;
  unsigned char *last_byte;
  bfd_size_type total_amt;
  bfd *abfd;
} common_header_type ;

typedef struct ieee_data_struct
{
  common_header_type h;
  bfd_boolean read_symbols;
  bfd_boolean read_data;
  file_ptr output_cursor;
  /* Map of section indexes to section ptrs */
  asection **section_table;
  unsigned int section_table_size;
  ieee_address_descriptor_type ad;
  ieee_module_begin_type mb;
  ieee_w_variable_type w;

  unsigned int section_count;

  unsigned int map_idx;
  /* List of GLOBAL EXPORT symbols */
  ieee_symbol_type *external_symbols;
  /* List of UNDEFINED symbols */
  ieee_symbol_type *external_reference;

  /* When the symbols have been canonicalized, they are in a
    * special order, we remember various bases here.. */
  unsigned int external_symbol_max_index;
  unsigned int external_symbol_min_index;
  unsigned int external_symbol_count;
  int external_symbol_base_offset;

  unsigned int external_reference_max_index;
  unsigned int external_reference_min_index;
  unsigned int external_reference_count;
  int external_reference_base_offset;


  bfd_boolean symbol_table_full;


bfd_boolean done_debug;


bfd_chain_type *chain_head;
bfd_chain_type *chain_root;

} ieee_data_type;

typedef struct {
  file_ptr file_offset;
  bfd *abfd;
} ieee_ar_obstack_type;

typedef struct ieee_ar_data_struct
{
  common_header_type h;
  ieee_ar_obstack_type *elements;

  unsigned  int element_index ;
  unsigned int element_count;

} ieee_ar_data_type;

#define IEEE_DATA(abfd) ((abfd)->tdata.ieee_data)
#define IEEE_AR_DATA(abfd) ((abfd)->tdata.ieee_ar_data)

#define ptr(abfd) (ieee_data(abfd)->input_p)