| /* symbols.h - |
| Copyright (C) 1987-2024 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; |
| |
| extern void *notes_alloc (size_t); |
| extern void *notes_calloc (size_t, size_t); |
| extern void *notes_memdup (const void *, size_t, size_t); |
| extern char *notes_strdup (const char *); |
| extern char *notes_concat (const char *, ...); |
| extern void notes_free (void *); |
| |
| 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 *, segT, fragS *, valueT); |
| symbolS *symbol_create (const char *, segT, fragS *, valueT); |
| struct local_symbol *local_symbol_make (const char *, segT, fragS *, valueT); |
| 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, fragS *, valueT); |
| 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 symbol_end (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 (unsigned int); |
| void dollar_label_clear (void); |
| void define_dollar_label (unsigned int); |
| char *dollar_label_name (unsigned int, unsigned int); |
| |
| void fb_label_instance_inc (unsigned int); |
| char *fb_label_name (unsigned int, unsigned int); |
| |
| 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 valueT S_GET_VALUE_WHERE (symbolS *, const char *, unsigned int); |
| extern void S_SET_VALUE (symbolS *, valueT); |
| |
| extern int S_IS_FUNCTION (const symbolS *); |
| extern int S_IS_EXTERNAL (const symbolS *); |
| extern int S_IS_WEAK (const symbolS *); |
| extern int S_IS_WEAKREFR (const symbolS *); |
| extern int S_IS_WEAKREFD (const symbolS *); |
| extern int S_IS_COMMON (const symbolS *); |
| extern int S_IS_DEFINED (const symbolS *); |
| extern int S_FORCE_RELOC (const symbolS *, int); |
| extern int S_IS_DEBUG (const symbolS *); |
| extern int S_IS_LOCAL (const symbolS *); |
| extern int S_IS_STABD (const 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 (const symbolS *); |
| extern segT S_GET_SEGMENT (const 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 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_previous (const symbolS *); |
| extern symbolS *symbol_next (const symbolS *); |
| |
| extern expressionS *symbol_get_value_expression (symbolS *); |
| extern void symbol_set_value_expression (symbolS *, const expressionS *); |
| extern offsetT *symbol_X_add_number (const symbolS *); |
| extern void symbol_set_value_now (symbolS *); |
| extern void symbol_set_frag (symbolS *, fragS *); |
| extern fragS *symbol_get_frag (const symbolS *); |
| extern void symbol_mark_used (symbolS *); |
| extern void symbol_clear_used (symbolS *); |
| extern int symbol_used_p (const symbolS *); |
| extern void symbol_mark_used_in_reloc (symbolS *); |
| extern void symbol_clear_used_in_reloc (symbolS *); |
| extern int symbol_used_in_reloc_p (const symbolS *); |
| extern void symbol_mark_mri_common (symbolS *); |
| extern void symbol_clear_mri_common (symbolS *); |
| extern int symbol_mri_common_p (const symbolS *); |
| extern void symbol_mark_written (symbolS *); |
| extern void symbol_clear_written (symbolS *); |
| extern int symbol_written_p (const symbolS *); |
| extern void symbol_mark_removed (symbolS *); |
| extern int symbol_removed_p (const symbolS *); |
| extern void symbol_mark_resolved (symbolS *); |
| extern int symbol_resolved_p (const symbolS *); |
| extern void symbol_mark_resolving (symbolS *); |
| extern void symbol_clear_resolving (symbolS *); |
| extern int symbol_resolving_p (const symbolS *); |
| extern int symbol_section_p (const symbolS *); |
| extern int symbol_equated_p (const symbolS *); |
| extern int symbol_equated_reloc_p (const symbolS *); |
| extern int symbol_constant_p (const symbolS *); |
| extern int symbol_shadow_p (const symbolS *); |
| extern symbolS *symbol_symbolS (symbolS *); |
| extern asymbol *symbol_get_bfdsym (symbolS *); |
| extern void symbol_set_bfdsym (symbolS *, asymbol *); |
| extern int symbol_same_p (const symbolS *, const 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 |