X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fsymbols.h;h=a80ca8c7b50a344b03f5c5978baf78a243125caa;hb=bd5e6e7e3a8be60699e596633cd828d3446e75ee;hp=37db8a0a4e04165729f295a9118572d1ea55a64a;hpb=3340f7e5fdd11b6c544714500fca870707793fd0;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/symbols.h b/gas/symbols.h index 37db8a0a4e..a80ca8c7b5 100644 --- a/gas/symbols.h +++ b/gas/symbols.h @@ -1,80 +1,204 @@ /* symbols.h - + Copyright 1987, 1990, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001 + Free Software Foundation, Inc. - Copyright (C) 1987, 1990, 1992 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -/* $Id$ */ - -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 unsigned int local_bss_counter; /* Zeroed before a pass. */ -/* Only used by .lcomm directive. */ - -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_text_symbol; -extern symbolS* dot_data_symbol; -extern symbolS* dot_bss_symbol; - -#if __STDC__ == 1 + 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. */ -char *decode_local_label_name(char *s); -char *local_label_name(int n, int augend); -symbolS *symbol_find(char *name); -symbolS *symbol_find_base(char *name, int strip_underscore); -symbolS *symbol_find_or_make(char *name); -symbolS *symbol_make(char *name); -symbolS *symbol_new(char *name, segT segment, long value, fragS *frag); -void colon(char *sym_name); -void local_colon(int n); -void symbol_begin(void); -void symbol_table_insert(symbolS *symbolP); -void verify_symbol_chain(symbolS *rootP, symbolS *lastP); +#ifdef BFD_ASSEMBLER +/* The BFD code wants to walk the list in both directions. */ +#undef SYMBOLS_NEED_BACKPOINTERS +#define SYMBOLS_NEED_BACKPOINTERS +#endif -#else /* not __STDC__ */ +#ifndef BFD_ASSEMBLER +/* The non-BFD code expects to be able to manipulate the symbol fields + directly. */ +#include "struc-symbol.h" +#endif -char *decode_local_label_name(); -char *local_label_name(); -symbolS *symbol_find(); -symbolS *symbol_find_base(); -symbolS *symbol_find_or_make(); -symbolS *symbol_make(); -symbolS *symbol_new(); -void colon(); -void local_colon(); -void symbol_begin(); -void symbol_table_insert(); -void verify_symbol_chain(); +extern struct obstack notes; /* eg FixS live here. */ -#endif /* not __STDC__ */ +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 */ /* - * Local Variables: - * comment-column: 0 - * fill-column: 131 - * End: + * Current means for getting from symbols to segments and vice verse. + * This will change for infinite-segments support (e.g. COFF). */ - -/* end of symbols.h */ +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_equated_reloc_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