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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gas/] [symbols.h] - Blame information for rev 332

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1 147 khays
/* symbols.h -
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   Copyright 1987, 1990, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001,
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   2002, 2003, 2004, 2005, 2006, 2007, 2008 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 3, 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 the Free
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   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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   02110-1301, USA.  */
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extern struct obstack notes;    /* eg FixS live here.  */
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extern struct obstack cond_obstack;     /* this is where we track .ifdef/.endif
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                                       (if we do that at all).  */
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extern symbolS *symbol_rootP;   /* all the symbol nodes */
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extern symbolS *symbol_lastP;   /* last struct symbol we made, or NULL */
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extern symbolS abs_symbol;
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extern symbolS dot_symbol;
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extern int symbol_table_frozen;
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/* This is non-zero if symbols are case sensitive, which is the
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   default.  */
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extern int symbols_case_sensitive;
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char * symbol_relc_make_expr  (expressionS *);
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char * symbol_relc_make_sym   (symbolS *);
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char * symbol_relc_make_value (offsetT);
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char *decode_local_label_name (char *s);
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symbolS *symbol_find (const char *name);
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symbolS *symbol_find_noref (const char *name, int noref);
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symbolS *symbol_find_exact (const char *name);
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symbolS *symbol_find_exact_noref (const char *name, int noref);
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symbolS *symbol_find_or_make (const char *name);
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symbolS *symbol_make (const char *name);
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symbolS *symbol_new (const char *name, segT segment, valueT value,
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                     fragS * frag);
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symbolS *symbol_create (const char *name, segT segment, valueT value,
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                        fragS * frag);
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struct local_symbol *local_symbol_make (const char *name, segT section,
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                                        valueT val, fragS *frag);
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symbolS *symbol_clone (symbolS *, int);
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#undef symbol_clone_if_forward_ref
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symbolS *symbol_clone_if_forward_ref (symbolS *, int);
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#define symbol_clone_if_forward_ref(s) symbol_clone_if_forward_ref (s, 0)
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symbolS *symbol_temp_new (segT, valueT, fragS *);
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symbolS *symbol_temp_new_now (void);
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symbolS *symbol_temp_make (void);
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symbolS *colon (const char *sym_name);
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void local_colon (int n);
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void symbol_begin (void);
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void dot_symbol_init (void);
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void symbol_print_statistics (FILE *);
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void symbol_table_insert (symbolS * symbolP);
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valueT resolve_symbol_value (symbolS *);
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void resolve_local_symbol_values (void);
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int snapshot_symbol (symbolS **, valueT *, segT *, fragS **);
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void print_symbol_value (symbolS *);
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void print_expr (expressionS *);
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void print_expr_1 (FILE *, expressionS *);
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void print_symbol_value_1 (FILE *, symbolS *);
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int dollar_label_defined (long l);
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void dollar_label_clear (void);
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void define_dollar_label (long l);
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char *dollar_label_name (long l, int augend);
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void fb_label_instance_inc (long label);
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char *fb_label_name (long n, long augend);
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extern void copy_symbol_attributes (symbolS *, symbolS *);
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/* Get and set the values of symbols.  These used to be macros.  */
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extern valueT S_GET_VALUE (symbolS *);
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extern void S_SET_VALUE (symbolS *, valueT);
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extern int S_IS_FUNCTION (symbolS *);
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extern int S_IS_EXTERNAL (symbolS *);
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extern int S_IS_WEAK (symbolS *);
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extern int S_IS_WEAKREFR (symbolS *);
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extern int S_IS_WEAKREFD (symbolS *);
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extern int S_IS_COMMON (symbolS *);
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extern int S_IS_DEFINED (symbolS *);
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extern int S_FORCE_RELOC (symbolS *, int);
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extern int S_IS_DEBUG (symbolS *);
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extern int S_IS_LOCAL (symbolS *);
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extern int S_IS_STABD (symbolS *);
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extern int S_CAN_BE_REDEFINED (const symbolS *);
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extern int S_IS_VOLATILE (const symbolS *);
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extern int S_IS_FORWARD_REF (const symbolS *);
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extern const char *S_GET_NAME (symbolS *);
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extern segT S_GET_SEGMENT (symbolS *);
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extern void S_SET_SEGMENT (symbolS *, segT);
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extern void S_SET_EXTERNAL (symbolS *);
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extern void S_SET_NAME (symbolS *, const char *);
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extern void S_CLEAR_EXTERNAL (symbolS *);
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extern void S_SET_WEAK (symbolS *);
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extern void S_SET_WEAKREFR (symbolS *);
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extern void S_CLEAR_WEAKREFR (symbolS *);
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extern void S_SET_WEAKREFD (symbolS *);
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extern void S_CLEAR_WEAKREFD (symbolS *);
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extern void S_SET_THREAD_LOCAL (symbolS *);
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extern void S_SET_VOLATILE (symbolS *);
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extern void S_CLEAR_VOLATILE (symbolS *);
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extern void S_SET_FORWARD_REF (symbolS *);
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#ifndef WORKING_DOT_WORD
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struct broken_word
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  {
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    /* Linked list -- one of these structures per ".word x-y+C"
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       expression.  */
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    struct broken_word *next_broken_word;
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    /* Segment and subsegment for broken word.  */
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    segT seg;
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    subsegT subseg;
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    /* Which frag is this broken word in?  */
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    fragS *frag;
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    /* Where in the frag is it?  */
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    char *word_goes_here;
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    /* Where to add the break.  */
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    fragS *dispfrag;            /* where to add the break */
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    /* Operands of expression.  */
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    symbolS *add;
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    symbolS *sub;
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    offsetT addnum;
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    int added;                  /* nasty thing happened 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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    /* Pointer to broken_word with a similar long-jump.  */
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    struct broken_word *use_jump;
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  };
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extern struct broken_word *broken_words;
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#endif /* ndef WORKING_DOT_WORD */
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/*
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 * Current means for getting from symbols to segments and vice verse.
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 * This will change for infinite-segments support (e.g. COFF).
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 */
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extern const segT N_TYPE_seg[]; /* subseg.c */
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#define SEGMENT_TO_SYMBOL_TYPE(seg)  ( seg_N_TYPE [(int) (seg)] )
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extern const short seg_N_TYPE[];/* subseg.c */
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#define N_REGISTER      30      /* Fake N_TYPE value for SEG_REGISTER */
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void symbol_clear_list_pointers (symbolS * symbolP);
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void symbol_insert (symbolS * addme, symbolS * target,
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                    symbolS ** rootP, symbolS ** lastP);
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void symbol_remove (symbolS * symbolP, symbolS ** rootP,
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                    symbolS ** lastP);
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extern symbolS *symbol_previous (symbolS *);
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void verify_symbol_chain (symbolS * rootP, symbolS * lastP);
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void symbol_append (symbolS * addme, symbolS * target,
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                    symbolS ** rootP, symbolS ** lastP);
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extern symbolS *symbol_next (symbolS *);
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extern expressionS *symbol_get_value_expression (symbolS *);
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extern void symbol_set_value_expression (symbolS *, const expressionS *);
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extern offsetT *symbol_X_add_number (symbolS *);
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extern void symbol_set_value_now (symbolS *);
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extern void symbol_set_frag (symbolS *, fragS *);
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extern fragS *symbol_get_frag (symbolS *);
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extern void symbol_mark_used (symbolS *);
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extern void symbol_clear_used (symbolS *);
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extern int symbol_used_p (symbolS *);
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extern void symbol_mark_used_in_reloc (symbolS *);
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extern void symbol_clear_used_in_reloc (symbolS *);
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extern int symbol_used_in_reloc_p (symbolS *);
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extern void symbol_mark_mri_common (symbolS *);
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extern void symbol_clear_mri_common (symbolS *);
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extern int symbol_mri_common_p (symbolS *);
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extern void symbol_mark_written (symbolS *);
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extern void symbol_clear_written (symbolS *);
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extern int symbol_written_p (symbolS *);
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extern void symbol_mark_resolved (symbolS *);
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extern int symbol_resolved_p (symbolS *);
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extern int symbol_section_p (symbolS *);
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extern int symbol_equated_p (symbolS *);
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extern int symbol_equated_reloc_p (symbolS *);
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extern int symbol_constant_p (symbolS *);
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extern int symbol_shadow_p (symbolS *);
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extern asymbol *symbol_get_bfdsym (symbolS *);
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extern void symbol_set_bfdsym (symbolS *, asymbol *);
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extern int symbol_same_p (symbolS *, symbolS *);
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#ifdef OBJ_SYMFIELD_TYPE
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OBJ_SYMFIELD_TYPE *symbol_get_obj (symbolS *);
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void symbol_set_obj (symbolS *, OBJ_SYMFIELD_TYPE *);
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#endif
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#ifdef TC_SYMFIELD_TYPE
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TC_SYMFIELD_TYPE *symbol_get_tc (symbolS *);
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void symbol_set_tc (symbolS *, TC_SYMFIELD_TYPE *);
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#endif

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