binutils/coffgrok.h

   1 /* coffgrok.h
   2    Copyright 2001, 2002, 2003 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 2 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, MA 02110-1301, USA.  */
  19
  20 #define T_NULL          0
  21 #define T_VOID          1       /* function argument (only used by compiler) */
  22 #define T_CHAR          2       /* character            */
  23 #define T_SHORT         3       /* short integer        */
  24 #define T_INT           4       /* integer              */
  25 #define T_LONG          5       /* long integer         */
  26 #define T_FLOAT         6       /* floating point       */
  27 #define T_DOUBLE        7       /* double word          */
  28 #define T_STRUCT        8       /* structure            */
  29 #define T_UNION         9       /* union                */
  30 #define T_ENUM          10      /* enumeration          */
  31 #define T_MOE           11      /* member of enumeration*/
  32 #define T_UCHAR         12      /* unsigned character   */
  33 #define T_USHORT        13      /* unsigned short       */
  34 #define T_UINT          14      /* unsigned integer     */
  35 #define T_ULONG         15      /* unsigned long        */
  36 #define T_LNGDBL        16      /* long double          */
  37
  38
  39  struct coff_reloc
  40  {
  41    int offset;
  42    struct coff_symbol *symbol;
  43    int addend;
  44  };
  45
  46  struct coff_section
  47  {
  48    char *name;
  49    int code;
  50    int data;
  51    int address;
  52    int number;  /* 0..n, .text = 0 */
  53    int nrelocs;
  54    int size;
  55    struct coff_reloc *relocs;
  56    struct bfd_section *bfd_section;
  57  };
  58
  59 struct coff_ofile
  60 {
  61   int nsources;
  62   struct coff_sfile *source_head;
  63   struct coff_sfile *source_tail;
  64   int nsections;
  65   struct coff_section *sections;
  66   struct coff_symbol *symbol_list_head;
  67   struct coff_symbol *symbol_list_tail;
  68 };
  69
  70 struct coff_isection {
  71   int low;
  72   int high;
  73   int init;
  74   struct coff_section *parent;
  75 };
  76
  77 struct coff_sfile
  78 {
  79   char *name;
  80   struct coff_scope *scope;
  81   struct coff_sfile *next;
  82
  83   /* Vector which maps where in each output section
  84      the input file has it's data */
  85   struct coff_isection *section;
  86
  87 };
  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   union
  99     {
 100       struct
 101         {
 102         int address;
 103         int size;
 104       } asecdef;
 105
 106       struct
 107         {
 108           int isstruct;
 109           struct coff_scope *elements;
 110           int idx;
 111         }
 112       astructdef;
 113       struct
 114         {
 115           struct coff_symbol *ref;
 116         } astructref;
 117
 118       struct
 119         {
 120           struct coff_scope *elements;
 121           int idx;
 122         } aenumdef;
 123       struct
 124         {
 125           struct coff_symbol *ref;
 126         } aenumref;
 127
 128       struct
 129         {
 130           struct coff_type *points_to;
 131         } pointer;
 132       struct
 133         {
 134           int dim;
 135           struct coff_type *array_of;
 136         } array;
 137
 138       struct
 139         {
 140           struct coff_type *function_returns;
 141           struct coff_scope *parameters;
 142           struct coff_scope *code;
 143           struct coff_line *lines;
 144         } function;
 145       int basic;                /* One of T_VOID.. T_UINT */
 146     }  u;
 147 };
 148
 149
 150  struct coff_line
 151  {
 152    int nlines;
 153    int *lines;
 154    int *addresses;
 155  };
 156
 157
 158  struct coff_scope
 159    {
 160      struct coff_section *sec; /* What section */
 161      int offset; /* where */
 162      int size; /* How big */
 163      struct coff_scope *parent; /* one up */
 164
 165      struct coff_scope *next;   /*next along */
 166
 167      int nvars;
 168
 169      struct coff_symbol *vars_head;     /* symbols */
 170      struct coff_symbol *vars_tail;
 171
 172      struct coff_scope *list_head;      /* children */
 173      struct coff_scope *list_tail;
 174
 175    };
 176
 177
 178  struct coff_visible
 179    {
 180      enum coff_vis_type
 181        {
 182          coff_vis_ext_def,
 183          coff_vis_ext_ref,
 184          coff_vis_int_def,
 185          coff_vis_common,
 186          coff_vis_auto,
 187          coff_vis_register,
 188          coff_vis_tag,
 189          coff_vis_member_of_struct,
 190          coff_vis_member_of_enum,
 191          coff_vis_autoparam,
 192          coff_vis_regparam,
 193        } type;
 194    };
 195
 196  struct coff_where
 197    {
 198      enum
 199        {
 200          coff_where_stack, coff_where_memory, coff_where_register, coff_where_unknown,
 201          coff_where_strtag, coff_where_member_of_struct,
 202          coff_where_member_of_enum, coff_where_entag, coff_where_typedef
 203
 204        } where;
 205      int offset;
 206      int bitoffset;
 207      int bitsize;
 208      struct coff_section *section;
 209    };
 210
 211  struct coff_symbol
 212    {
 213      char *name;
 214      int tag;
 215      struct coff_type *type;
 216      struct coff_where *where;
 217      struct coff_visible *visible;
 218      struct coff_symbol *next;
 219      struct coff_symbol *next_in_ofile_list; /* For the ofile list */
 220      int number;
 221      int er_number;
 222      struct coff_sfile *sfile;
 223   };
 224
 225 struct coff_ofile *coff_grok PARAMS ((bfd *));