| /* symbols.h - |
| Copyright (C) 1987, 90, 92, 93, 94, 95, 97, 1999 |
| 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) |
| 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, 59 Temple Place - Suite 330, Boston, MA |
| 02111-1307, USA. */ |
| |
| #ifdef BFD_ASSEMBLER |
| /* The BFD code wants to walk the list in both directions. */ |
| #undef SYMBOLS_NEED_BACKPOINTERS |
| #define SYMBOLS_NEED_BACKPOINTERS |
| #endif |
| |
| #ifndef BFD_ASSEMBLER |
| /* The non-BFD code expects to be able to manipulate the symbol fields |
| directly. */ |
| #include "struc-symbol.h" |
| #endif |
| |
| 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 int symbol_table_frozen; |
| |
| /* This is non-zero if symbols are case sensitive, which is the |
| 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 resolve_local_symbol_values PARAMS ((void)); |
| |
| 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 *)); |
| |
| /* 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_FUNCTION PARAMS ((symbolS *)); |
| 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 *)); |
| #endif |
| |
| #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 happend 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 PARAMS ((symbolS * symbolP)); |
| |
| #ifdef SYMBOLS_NEED_BACKPOINTERS |
| |
| void symbol_insert PARAMS ((symbolS * addme, symbolS * target, |
| symbolS ** rootP, symbolS ** lastP)); |
| void symbol_remove PARAMS ((symbolS * symbolP, symbolS ** rootP, |
| symbolS ** lastP)); |
| |
| extern symbolS *symbol_previous PARAMS ((symbolS *)); |
| |
| #endif /* SYMBOLS_NEED_BACKPOINTERS */ |
| |
| void verify_symbol_chain PARAMS ((symbolS * rootP, symbolS * lastP)); |
| void verify_symbol_chain_2 PARAMS ((symbolS * symP)); |
| |
| void symbol_append PARAMS ((symbolS * addme, symbolS * target, |
| symbolS ** rootP, symbolS ** lastP)); |
| |
| extern symbolS *symbol_next PARAMS ((symbolS *)); |
| |
| extern expressionS *symbol_get_value_expression PARAMS ((symbolS *)); |
| extern void symbol_set_value_expression PARAMS ((symbolS *, |
| const expressionS *)); |
| extern void symbol_set_frag PARAMS ((symbolS *, fragS *)); |
| extern fragS *symbol_get_frag PARAMS ((symbolS *)); |
| extern void symbol_mark_used PARAMS ((symbolS *)); |
| extern void symbol_clear_used PARAMS ((symbolS *)); |
| extern int symbol_used_p PARAMS ((symbolS *)); |
| extern void symbol_mark_used_in_reloc PARAMS ((symbolS *)); |
| extern void symbol_clear_used_in_reloc PARAMS ((symbolS *)); |
| extern int symbol_used_in_reloc_p PARAMS ((symbolS *)); |
| extern void symbol_mark_mri_common PARAMS ((symbolS *)); |
| extern void symbol_clear_mri_common PARAMS ((symbolS *)); |
| extern int symbol_mri_common_p PARAMS ((symbolS *)); |
| extern void symbol_mark_written PARAMS ((symbolS *)); |
| extern void symbol_clear_written PARAMS ((symbolS *)); |
| extern int symbol_written_p PARAMS ((symbolS *)); |
| extern void symbol_mark_resolved PARAMS ((symbolS *)); |
| extern int symbol_resolved_p PARAMS ((symbolS *)); |
| extern int symbol_section_p PARAMS ((symbolS *)); |
| extern int symbol_equated_p PARAMS ((symbolS *)); |
| extern int symbol_constant_p PARAMS ((symbolS *)); |
| |
| #ifdef BFD_ASSEMBLER |
| extern asymbol *symbol_get_bfdsym PARAMS ((symbolS *)); |
| extern void symbol_set_bfdsym PARAMS ((symbolS *, asymbol *)); |
| #endif |
| |
| #ifdef OBJ_SYMFIELD_TYPE |
| OBJ_SYMFIELD_TYPE *symbol_get_obj PARAMS ((symbolS *)); |
| void symbol_set_obj PARAMS ((symbolS *, OBJ_SYMFIELD_TYPE *)); |
| #endif |
| |
| #ifdef TC_SYMFIELD_TYPE |
| TC_SYMFIELD_TYPE *symbol_get_tc PARAMS ((symbolS *)); |
| void symbol_set_tc PARAMS ((symbolS *, TC_SYMFIELD_TYPE *)); |
| #endif |
| |
| /* end of symbols.h */ |