/* symbols.h -
- Copyright (C) 1987, 90, 92, 93, 94, 95, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1987-2020 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 2, or (at your option)
+ 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,
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, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
-extern struct obstack notes; /* eg FixS live here. */
+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_lastP; /* last struct symbol we made, or NULL */
extern symbolS abs_symbol;
+extern symbolS dot_symbol;
extern int symbol_table_frozen;
default. */
extern int symbols_case_sensitive;
-char *decode_local_label_name PARAMS ((char *s));
-symbolS *symbol_find PARAMS ((CONST char *name));
-symbolS *symbol_find_base PARAMS ((CONST char *name, int strip_underscore));
-symbolS *symbol_find_or_make PARAMS ((const char *name));
-symbolS *symbol_make PARAMS ((CONST char *name));
-symbolS *symbol_new PARAMS ((CONST char *name, segT segment, valueT value,
- fragS * frag));
-symbolS *symbol_create PARAMS ((CONST char *name, segT segment, valueT value,
- fragS * frag));
-symbolS *colon PARAMS ((const char *sym_name));
-void local_colon PARAMS ((int n));
-void symbol_begin PARAMS ((void));
-void symbol_print_statistics PARAMS ((FILE *));
-void symbol_table_insert PARAMS ((symbolS * symbolP));
-valueT resolve_symbol_value PARAMS ((symbolS *, int));
-
-void print_symbol_value PARAMS ((symbolS *));
-void print_expr PARAMS ((expressionS *));
-void print_expr_1 PARAMS ((FILE *, expressionS *));
-void print_symbol_value_1 PARAMS ((FILE *, symbolS *));
-
-int dollar_label_defined PARAMS ((long l));
-void dollar_label_clear PARAMS ((void));
-void define_dollar_label PARAMS ((long l));
-char *dollar_label_name PARAMS ((long l, int augend));
-
-void fb_label_instance_inc PARAMS ((long label));
-char *fb_label_name PARAMS ((long n, long augend));
-
-extern void copy_symbol_attributes PARAMS ((symbolS *, symbolS *));
+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_new_now_octets (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 PARAMS ((symbolS *));
-extern void S_SET_VALUE PARAMS ((symbolS *, valueT));
-
-#ifdef BFD_ASSEMBLER
-extern int S_IS_EXTERNAL PARAMS ((symbolS *));
-extern int S_IS_WEAK PARAMS ((symbolS *));
-extern int S_IS_COMMON PARAMS ((symbolS *));
-extern int S_IS_DEFINED PARAMS ((symbolS *));
-extern int S_IS_DEBUG PARAMS ((symbolS *));
-extern int S_IS_LOCAL PARAMS ((symbolS *));
-extern int S_IS_EXTERN PARAMS ((symbolS *));
-extern int S_IS_STABD PARAMS ((symbolS *));
-extern CONST char *S_GET_NAME PARAMS ((symbolS *));
-extern segT S_GET_SEGMENT PARAMS ((symbolS *));
-extern void S_SET_SEGMENT PARAMS ((symbolS *, segT));
-extern void S_SET_EXTERNAL PARAMS ((symbolS *));
-extern void S_SET_NAME PARAMS ((symbolS *, char *));
-extern void S_CLEAR_EXTERNAL PARAMS ((symbolS *));
-extern void S_SET_WEAK PARAMS ((symbolS *));
+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 *);
+
+extern int symbol_on_chain (symbolS *s, symbolS *rootPP, symbolS *lastPP);
+
+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 symbolS *symbol_symbolS (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
-/* end of symbols.h */
+#ifdef TC_SYMFIELD_TYPE
+TC_SYMFIELD_TYPE *symbol_get_tc (symbolS *);
+void symbol_set_tc (symbolS *, TC_SYMFIELD_TYPE *);
+#endif
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