binutils/coffgrok.h

   1 /* coffgrok.h
   2    Copyright (C) 2001-2016 Free Software Foundation, Inc.
   3
   4    This file is part of GNU Binutils.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21 #define T_NULL          0
  22 #define T_VOID          1       /* Function argument (only used by compiler).  */
  23 #define T_CHAR          2       /* Character            */
  24 #define T_SHORT         3       /* Short integer        */
  25 #define T_INT           4       /* Integer              */
  26 #define T_LONG          5       /* Long integer         */
  27 #define T_FLOAT         6       /* Floating point       */
  28 #define T_DOUBLE        7       /* Double word          */
  29 #define T_STRUCT        8       /* Structure            */
  30 #define T_UNION         9       /* Union                */
  31 #define T_ENUM          10      /* Enumeration          */
  32 #define T_MOE           11      /* Member of enumeration*/
  33 #define T_UCHAR         12      /* Unsigned character   */
  34 #define T_USHORT        13      /* Unsigned short       */
  35 #define T_UINT          14      /* Unsigned integer     */
  36 #define T_ULONG         15      /* Unsigned long        */
  37 #define T_LNGDBL        16      /* Long double          */
  38
  39
  40 struct coff_reloc
  41 {
  42   int offset;
  43   struct coff_symbol *symbol;
  44   int addend;
  45 };
  46
  47 struct coff_section
  48 {
  49   char *name;
  50   int code;
  51   int data;
  52   int address;
  53   int number;  /* 0..n, .text = 0 */
  54   unsigned int nrelocs;
  55   int size;
  56   struct coff_reloc *relocs;
  57   struct bfd_section *bfd_section;
  58 };
  59
  60 struct coff_ofile
  61 {
  62   int nsources;
  63   struct coff_sfile *source_head;
  64   struct coff_sfile *source_tail;
  65   int nsections;
  66   struct coff_section *sections;
  67   struct coff_symbol *symbol_list_head;
  68   struct coff_symbol *symbol_list_tail;
  69 };
  70
  71 struct coff_isection
  72 {
  73   int low;
  74   int high;
  75   int init;
  76   struct coff_section *parent;
  77 };
  78
  79 struct coff_sfile
  80 {
  81   char *name;
  82   struct coff_scope *scope;
  83   struct coff_sfile *next;
  84
  85   /* Vector which maps where in each output section
  86      the input file has it's data.  */
  87   struct coff_isection *section;
  88 };
  89
  90 struct coff_type
  91 {
  92   int size;
  93   enum
  94     {
  95       coff_pointer_type, coff_function_type, coff_array_type, coff_structdef_type, coff_basic_type,
  96       coff_structref_type, coff_enumref_type, coff_enumdef_type, coff_secdef_type
  97     } type;
  98
  99   union
 100     {
 101       struct
 102       {
 103         int address;
 104         int size;
 105       } asecdef;
 106
 107       struct
 108       {
 109         int isstruct;
 110         struct coff_scope *elements;
 111         int idx;
 112       } astructdef;
 113
 114       struct
 115       {
 116         struct coff_symbol *ref;
 117       } astructref;
 118
 119       struct
 120       {
 121         struct coff_scope *elements;
 122         int idx;
 123       } aenumdef;
 124
 125       struct
 126       {
 127         struct coff_symbol *ref;
 128       } aenumref;
 129
 130       struct
 131       {
 132         struct coff_type *points_to;
 133       } pointer;
 134
 135       struct
 136       {
 137         int dim;
 138         struct coff_type *array_of;
 139       } array;
 140
 141       struct
 142       {
 143         struct coff_type *   function_returns;
 144         struct coff_scope *  parameters;
 145         struct coff_scope *  code;
 146         struct coff_line *   lines;
 147       } function;
 148
 149       int basic;                /* One of T_VOID.. T_UINT */
 150   } u;
 151 };
 152
 153 struct coff_line
 154 {
 155   int   nlines;
 156   int * lines;
 157   int * addresses;
 158 };
 159
 160 struct coff_scope
 161 {
 162   struct coff_section * sec;     /* Which section.  */
 163   int                   offset;  /* Where.  */
 164   int                   size;    /* How big.  */
 165   struct coff_scope *   parent;  /* One up.  */
 166   struct coff_scope *   next;    /* Next along.  */
 167   int                   nvars;
 168   struct coff_symbol *  vars_head;      /* Symbols.  */
 169   struct coff_symbol *  vars_tail;
 170   struct coff_scope *   list_head;      /* Children.  */
 171   struct coff_scope *   list_tail;
 172 };
 173
 174 struct coff_visible
 175 {
 176   enum coff_vis_type
 177   {
 178     coff_vis_ext_def,
 179     coff_vis_ext_ref,
 180     coff_vis_int_def,
 181     coff_vis_common,
 182     coff_vis_auto,
 183     coff_vis_register,
 184     coff_vis_tag,
 185     coff_vis_member_of_struct,
 186     coff_vis_member_of_enum,
 187     coff_vis_autoparam,
 188     coff_vis_regparam,
 189   } type;
 190 };
 191
 192 struct coff_where
 193 {
 194   enum
 195   {
 196     coff_where_stack, coff_where_memory, coff_where_register, coff_where_unknown,
 197     coff_where_strtag, coff_where_member_of_struct,
 198     coff_where_member_of_enum, coff_where_entag, coff_where_typedef
 199   } where;
 200
 201   int offset;
 202   int bitoffset;
 203   int bitsize;
 204   struct coff_section *section;
 205 };
 206
 207 struct coff_symbol
 208 {
 209   char *                name;
 210   int                   tag;
 211   struct coff_type *    type;
 212   struct coff_where *   where;
 213   struct coff_visible * visible;
 214   struct coff_symbol *  next;
 215   struct coff_symbol *  next_in_ofile_list; /* For the ofile list.  */
 216   int                   number;
 217   int                   er_number;
 218   struct coff_sfile *   sfile;
 219 };
 220
 221 struct coff_ofile * coff_grok (bfd *);