216 lines
7.7 KiB
C
216 lines
7.7 KiB
C
/* symbols.h -
|
|
Copyright (C) 1987-2018 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 /* ifdef 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
|