ld/ldsym.h

   1 /* ldsym.h -
   2
   3    Copyright (C) 1991 Free Software Foundation, Inc.
   4
   5    This file is part of GLD, the Gnu Linker.
   6
   7    GLD 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 1, or (at your option)
  10    any later version.
  11
  12    GLD 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 GLD; see the file COPYING.  If not, write to
  19    the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 typedef struct user_symbol_struct
  22 {
  23   /* Point to next symbol in this hash chain */
  24   struct user_symbol_struct *link;
  25
  26   /* Name of this symbol.  */
  27   CONST char *name;
  28
  29   /* Pointer to next symbol in order of symbol creation */
  30   struct user_symbol_struct *next;
  31
  32   /* Chain of asymbols we see from input files
  33      note that we point to the entry in the canonical table of
  34      the pointer to the asymbol, *not* the asymbol. This means
  35      that we can run back and fix all refs to point to the
  36      defs nearly for free.
  37      */
  38   asymbol **srefs_chain;
  39   asymbol **sdefs_chain;
  40
  41   /* only ever point to the largest ever common definition -
  42    * all the rest are turned into refs
  43    * scoms and sdefs are never != NULL at same time
  44    */
  45   asymbol **scoms_chain;
  46
  47
  48
  49
  50
  51   /* If this symbol is a constructor */
  52 #define SYM_CONSTRUCTOR 1
  53   /* If this symbol is a warning symbol */
  54 #define SYM_WARNING 2
  55   /* IF this is an alias for another symbol */
  56 #define SYM_INDIRECT 4
  57   int flags;
  58 } ldsym_type;
  59
  60
  61 PROTO(ldsym_type *, ldsym_get, (CONST char *));
  62 PROTO(ldsym_type *, ldsym_get_soft, (CONST char *));
  63 PROTO(void, ldsym_print_symbol_table,(void));
  64 PROTO(void, ldsym_write, (void));
  65 PROTO(boolean, ldsym_undefined, (CONST char *));
  66 #define FOR_EACH_LDSYM(x)                                               \
  67         extern ldsym_type *symbol_head;                                 \
  68         ldsym_type *x;                                                  \
  69         for (x = symbol_head; x != (ldsym_type *)NULL; x = x->next)
  70
  71