204 lines
7.3 KiB
C
204 lines
7.3 KiB
C
/* symbols.h -
|
|
Copyright 1987, 1990, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001
|
|
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 *));
|
|
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
|