gnu/usr.bin/as/struc-symbol.h

/* struct_symbol.h - Internal symbol structure
   Copyright (C) 1987 Free Software Foundation, Inc.

This file is part of GAS, the GNU Assembler.

GAS 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 1, or (at your option)
any later version.

GAS 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 GAS; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

#ifndef         VMS
#include "a.out.gnu.h"          /* Needed to define struct nlist. Sigh. */
#else
#include "a_out.h"
#endif

struct symbol                   /* our version of an nlist node */
{
  struct nlist  sy_nlist;       /* what we write in .o file (if permitted) */
  long unsigned sy_name_offset; /* 4-origin position of sy_name in symbols */
                                /* part of object file. */
                                /* 0 for (nameless) .stabd symbols. */
                                /* Not used until write_object_file() time. */
  long int      sy_number;      /* 24 bit symbol number. */
                                /* Symbol numbers start at 0 and are */
                                /* unsigned. */
  struct symbol * sy_next;      /* forward chain, or NULL */
  struct frag * sy_frag;        /* NULL or -> frag this symbol attaches to. */
  struct symbol *sy_forward;    /* value is really that of this other symbol */
};

typedef struct symbol symbolS;

#define sy_name         sy_nlist .n_un. n_name
                                /* Name field always points to a string. */
                                /* 0 means .stabd-like anonymous symbol. */
#define sy_type         sy_nlist.       n_type
#define sy_other        sy_nlist.       n_other
#define sy_desc         sy_nlist.       n_desc
#define sy_value        sy_nlist.       n_value
                                /* Value of symbol is this value + object */
                                /* file address of sy_frag. */

typedef unsigned valueT;        /* The type of n_value. Helps casting. */

/* end: struct_symbol.h */
#ifndef WORKING_DOT_WORD
struct broken_word {
        struct broken_word *next_broken_word;/* One of these strucs per .word x-y */
        fragS   *frag;          /* Which frag its in */
        char    *word_goes_here;/* Where in the frag it is */
        fragS   *dispfrag;      /* where to add the break */
        symbolS *add;           /* symbol_x */
        symbolS *sub;           /* - symbol_y */
        long    addnum;         /* + addnum */
        int     added;          /* nasty thing happend yet? */
                                /* 1: added and has a long-jump */
                                /* 2: added but uses someone elses long-jump */
        struct broken_word *use_jump; /* points to broken_word with a similar
                                         long-jump */
};
extern struct broken_word *broken_words;
#endif