X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fsymbols.h;h=ebad4408390215ff3f27d456067f8201d228c11b;hb=a63e02c7f84b6ed2dffebedf5c04202e4d0bf362;hp=cda9faf66fc40750622a397da67c8f711940e5d6;hpb=8b228fe958bcac8cf510ce2ed3d9ae24a717334e;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/symbols.h b/gas/symbols.h index cda9faf66f..ebad440839 100644 --- a/gas/symbols.h +++ b/gas/symbols.h @@ -1,79 +1,209 @@ /* symbols.h - - Copyright (C) 1987, 1990 Free Software Foundation, Inc. - + Copyright 1987, 1990, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001, + 2002, 2003, 2004, 2005 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. */ + 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. */ + +#ifdef BFD_ASSEMBLER +/* The BFD code wants to walk the list in both directions. */ +#undef SYMBOLS_NEED_BACKPOINTERS +#define SYMBOLS_NEED_BACKPOINTERS +#endif -/* $Id$ */ +#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 notes; /* eg FixS live here. */ -extern struct obstack cond_obstack; /* this is where we track .ifdef/.endif +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 * symbol_rootP; /* all the symbol nodes */ -extern symbolS * symbol_lastP; /* last struct symbol we made, or NULL */ +extern int symbol_table_frozen; -extern symbolS abs_symbol; +/* This is non-zero if symbols are case sensitive, which is the + default. */ +extern int symbols_case_sensitive; -extern symbolS* dot_text_symbol; -extern symbolS* dot_data_symbol; -extern symbolS* dot_bss_symbol; +char *decode_local_label_name (char *s); +symbolS *symbol_find (const char *name); +symbolS *symbol_find_exact (const char *name); +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); +symbolS *symbol_temp_new (segT, valueT, fragS *); +symbolS *symbol_temp_new_now (void); +symbolS *symbol_temp_make (void); -#ifdef __STDC__ +symbolS *colon (const char *sym_name); +void local_colon (int n); +void symbol_begin (void); +void symbol_print_statistics (FILE *); +void symbol_table_insert (symbolS * symbolP); +valueT resolve_symbol_value (symbolS *); +void resolve_local_symbol_values (void); -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); +void print_symbol_value (symbolS *); +void print_expr (expressionS *); +void print_expr_1 (FILE *, expressionS *); +void print_symbol_value_1 (FILE *, symbolS *); -#else +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); -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(); +void fb_label_instance_inc (long label); +char *fb_label_name (long n, long augend); -#endif /* __STDC__ */ +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 void S_SET_VALUE (symbolS *, valueT); + +#ifdef BFD_ASSEMBLER +extern int S_IS_FUNCTION (symbolS *); +extern int S_IS_EXTERNAL (symbolS *); +extern int S_IS_WEAK (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 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_THREAD_LOCAL (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 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 /* 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). */ +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); + +#ifdef SYMBOLS_NEED_BACKPOINTERS + +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 *); + +#endif /* SYMBOLS_NEED_BACKPOINTERS */ + +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 *); + +#ifdef BFD_ASSEMBLER +extern asymbol *symbol_get_bfdsym (symbolS *); +extern void symbol_set_bfdsym (symbolS *, asymbol *); +#endif + +#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