73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
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/* struct_symbol.h - Internal symbol structure
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Copyright (C) 1987 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef VMS
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#include "a.out.gnu.h" /* Needed to define struct nlist. Sigh. */
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#else
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#include "a_out.h"
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#endif
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struct symbol /* our version of an nlist node */
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{
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struct nlist sy_nlist; /* what we write in .o file (if permitted) */
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long unsigned sy_name_offset; /* 4-origin position of sy_name in symbols */
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/* part of object file. */
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/* 0 for (nameless) .stabd symbols. */
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/* Not used until write_object_file() time. */
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long int sy_number; /* 24 bit symbol number. */
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/* Symbol numbers start at 0 and are */
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/* unsigned. */
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struct symbol * sy_next; /* forward chain, or NULL */
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struct frag * sy_frag; /* NULL or -> frag this symbol attaches to. */
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struct symbol *sy_forward; /* value is really that of this other symbol */
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};
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typedef struct symbol symbolS;
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#define sy_name sy_nlist .n_un. n_name
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/* Name field always points to a string. */
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/* 0 means .stabd-like anonymous symbol. */
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#define sy_type sy_nlist. n_type
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#define sy_other sy_nlist. n_other
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#define sy_desc sy_nlist. n_desc
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#define sy_value sy_nlist. n_value
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/* Value of symbol is this value + object */
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/* file address of sy_frag. */
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typedef unsigned valueT; /* The type of n_value. Helps casting. */
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/* end: struct_symbol.h */
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#ifndef WORKING_DOT_WORD
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struct broken_word {
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struct broken_word *next_broken_word;/* One of these strucs per .word x-y */
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fragS *frag; /* Which frag its in */
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char *word_goes_here;/* Where in the frag it is */
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fragS *dispfrag; /* where to add the break */
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symbolS *add; /* symbol_x */
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symbolS *sub; /* - symbol_y */
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long addnum; /* + addnum */
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int added; /* nasty thing happend yet? */
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/* 1: added and has a long-jump */
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/* 2: added but uses someone elses long-jump */
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struct broken_word *use_jump; /* points to broken_word with a similar
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long-jump */
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};
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extern struct broken_word *broken_words;
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#endif
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