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Retro68/binutils/gas/symbols.h
Wolfgang Thaller da4dfe30c9 Update binutils to 2.25.1
2015-08-28 17:32:19 +02:00

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/* symbols.h -
Copyright (C) 1987-2014 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 3, 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, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
extern struct obstack notes; /* eg FixS live here. */
extern struct obstack cond_obstack; /* this is where we track .ifdef/.endif
(if we do that at all). */
extern symbolS *symbol_rootP; /* all the symbol nodes */
extern symbolS *symbol_lastP; /* last struct symbol we made, or NULL */
extern symbolS abs_symbol;
extern symbolS dot_symbol;
extern int symbol_table_frozen;
/* This is non-zero if symbols are case sensitive, which is the
default. */
extern int symbols_case_sensitive;
char * symbol_relc_make_expr (expressionS *);
char * symbol_relc_make_sym (symbolS *);
char * symbol_relc_make_value (offsetT);
char *decode_local_label_name (char *s);
symbolS *symbol_find (const char *name);
symbolS *symbol_find_noref (const char *name, int noref);
symbolS *symbol_find_exact (const char *name);
symbolS *symbol_find_exact_noref (const char *name, int noref);
symbolS *symbol_find_or_make (const char *name);
symbolS *symbol_make (const char *name);
symbolS *symbol_new (const char *name, segT segment, valueT value,
fragS * frag);
symbolS *symbol_create (const char *name, segT segment, valueT value,
fragS * frag);
struct local_symbol *local_symbol_make (const char *name, segT section,
valueT val, fragS *frag);
symbolS *symbol_clone (symbolS *, int);
#undef symbol_clone_if_forward_ref
symbolS *symbol_clone_if_forward_ref (symbolS *, int);
#define symbol_clone_if_forward_ref(s) symbol_clone_if_forward_ref (s, 0)
symbolS *symbol_temp_new (segT, valueT, fragS *);
symbolS *symbol_temp_new_now (void);
symbolS *symbol_temp_make (void);
symbolS *colon (const char *sym_name);
void local_colon (int n);
void symbol_begin (void);
void dot_symbol_init (void);
void symbol_print_statistics (FILE *);
void symbol_table_insert (symbolS * symbolP);
valueT resolve_symbol_value (symbolS *);
void resolve_local_symbol_values (void);
int snapshot_symbol (symbolS **, valueT *, segT *, fragS **);
void print_symbol_value (symbolS *);
void print_expr (expressionS *);
void print_expr_1 (FILE *, expressionS *);
void print_symbol_value_1 (FILE *, symbolS *);
int dollar_label_defined (long l);
void dollar_label_clear (void);
void define_dollar_label (long l);
char *dollar_label_name (long l, int augend);
void fb_label_instance_inc (long label);
char *fb_label_name (long n, long augend);
extern void copy_symbol_attributes (symbolS *, symbolS *);
/* Get and set the values of symbols. These used to be macros. */
extern valueT S_GET_VALUE (symbolS *);
extern void S_SET_VALUE (symbolS *, valueT);
extern int S_IS_FUNCTION (symbolS *);
extern int S_IS_EXTERNAL (symbolS *);
extern int S_IS_WEAK (symbolS *);
extern int S_IS_WEAKREFR (symbolS *);
extern int S_IS_WEAKREFD (symbolS *);
extern int S_IS_COMMON (symbolS *);
extern int S_IS_DEFINED (symbolS *);
extern int S_FORCE_RELOC (symbolS *, int);
extern int S_IS_DEBUG (symbolS *);
extern int S_IS_LOCAL (symbolS *);
extern int S_IS_STABD (symbolS *);
extern int S_CAN_BE_REDEFINED (const symbolS *);
extern int S_IS_VOLATILE (const symbolS *);
extern int S_IS_FORWARD_REF (const symbolS *);
extern const char *S_GET_NAME (symbolS *);
extern segT S_GET_SEGMENT (symbolS *);
extern void S_SET_SEGMENT (symbolS *, segT);
extern void S_SET_EXTERNAL (symbolS *);
extern void S_SET_NAME (symbolS *, const char *);
extern void S_CLEAR_EXTERNAL (symbolS *);
extern void S_SET_WEAK (symbolS *);
extern void S_SET_WEAKREFR (symbolS *);
extern void S_CLEAR_WEAKREFR (symbolS *);
extern void S_SET_WEAKREFD (symbolS *);
extern void S_CLEAR_WEAKREFD (symbolS *);
extern void S_SET_THREAD_LOCAL (symbolS *);
extern void S_SET_VOLATILE (symbolS *);
extern void S_CLEAR_VOLATILE (symbolS *);
extern void S_SET_FORWARD_REF (symbolS *);
#ifndef WORKING_DOT_WORD
struct broken_word
{
/* Linked list -- one of these structures per ".word x-y+C"
expression. */
struct broken_word *next_broken_word;
/* Segment and subsegment for broken word. */
segT seg;
subsegT subseg;
/* Which frag is this broken word in? */
fragS *frag;
/* Where in the frag is it? */
char *word_goes_here;
/* Where to add the break. */
fragS *dispfrag; /* where to add the break */
/* Operands of expression. */
symbolS *add;
symbolS *sub;
offsetT addnum;
int added; /* nasty thing happened yet? */
/* 1: added and has a long-jump */
/* 2: added but uses someone elses long-jump */
/* Pointer to broken_word with a similar long-jump. */
struct broken_word *use_jump;
};
extern struct broken_word *broken_words;
#endif /* ndef WORKING_DOT_WORD */
/*
* Current means for getting from symbols to segments and vice verse.
* This will change for infinite-segments support (e.g. COFF).
*/
extern const segT N_TYPE_seg[]; /* subseg.c */
#define SEGMENT_TO_SYMBOL_TYPE(seg) ( seg_N_TYPE [(int) (seg)] )
extern const short seg_N_TYPE[];/* subseg.c */
#define N_REGISTER 30 /* Fake N_TYPE value for SEG_REGISTER */
void symbol_clear_list_pointers (symbolS * symbolP);
void symbol_insert (symbolS * addme, symbolS * target,
symbolS ** rootP, symbolS ** lastP);
void symbol_remove (symbolS * symbolP, symbolS ** rootP,
symbolS ** lastP);
extern symbolS *symbol_previous (symbolS *);
void verify_symbol_chain (symbolS * rootP, symbolS * lastP);
void symbol_append (symbolS * addme, symbolS * target,
symbolS ** rootP, symbolS ** lastP);
extern symbolS *symbol_next (symbolS *);
extern expressionS *symbol_get_value_expression (symbolS *);
extern void symbol_set_value_expression (symbolS *, const expressionS *);
extern offsetT *symbol_X_add_number (symbolS *);
extern void symbol_set_value_now (symbolS *);
extern void symbol_set_frag (symbolS *, fragS *);
extern fragS *symbol_get_frag (symbolS *);
extern void symbol_mark_used (symbolS *);
extern void symbol_clear_used (symbolS *);
extern int symbol_used_p (symbolS *);
extern void symbol_mark_used_in_reloc (symbolS *);
extern void symbol_clear_used_in_reloc (symbolS *);
extern int symbol_used_in_reloc_p (symbolS *);
extern void symbol_mark_mri_common (symbolS *);
extern void symbol_clear_mri_common (symbolS *);
extern int symbol_mri_common_p (symbolS *);
extern void symbol_mark_written (symbolS *);
extern void symbol_clear_written (symbolS *);
extern int symbol_written_p (symbolS *);
extern void symbol_mark_resolved (symbolS *);
extern int symbol_resolved_p (symbolS *);
extern int symbol_section_p (symbolS *);
extern int symbol_equated_p (symbolS *);
extern int symbol_equated_reloc_p (symbolS *);
extern int symbol_constant_p (symbolS *);
extern int symbol_shadow_p (symbolS *);
extern asymbol *symbol_get_bfdsym (symbolS *);
extern void symbol_set_bfdsym (symbolS *, asymbol *);
extern int symbol_same_p (symbolS *, symbolS *);
#ifdef OBJ_SYMFIELD_TYPE
OBJ_SYMFIELD_TYPE *symbol_get_obj (symbolS *);
void symbol_set_obj (symbolS *, OBJ_SYMFIELD_TYPE *);
#endif
#ifdef TC_SYMFIELD_TYPE
TC_SYMFIELD_TYPE *symbol_get_tc (symbolS *);
void symbol_set_tc (symbolS *, TC_SYMFIELD_TYPE *);
#endif
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