X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fsymbols.h;h=15dc2639bf8d2e18c5acaba0d7ceb4e3f14dbcc1;hb=cbf0ee7967dfcaf5876437ef1a5bad2ccf85f0dc;hp=cbdafff6b083018bbf4ad13053dab7ea2abf9f9c;hpb=2b68b820a9aef88c4c579072f05e8028b0b92ad9;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/symbols.h b/gas/symbols.h index cbdafff6b0..15dc2639bf 100644 --- a/gas/symbols.h +++ b/gas/symbols.h @@ -1,6 +1,6 @@ /* symbols.h - - - Copyright (C) 1987, 1990, 1992 Free Software Foundation, Inc. + Copyright 1987, 1990, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001, + 2002, 2003 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -15,10 +15,23 @@ 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, 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ -extern struct obstack notes; /* eg FixS live here. */ +#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). */ @@ -28,51 +41,173 @@ 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; - -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 ((char *name)); -symbolS *symbol_make PARAMS ((CONST char *name)); -symbolS *symbol_new PARAMS ((CONST char *name, segT segment, valueT value, - fragS * frag)); -void colon PARAMS ((char *sym_name)); -void local_colon PARAMS ((int n)); -void symbol_begin PARAMS ((void)); -void symbol_table_insert PARAMS ((symbolS * symbolP)); -void verify_symbol_chain PARAMS ((symbolS * rootP, symbolS * lastP)); - -#ifdef LOCAL_LABELS_DOLLAR -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)); -#endif /* LOCAL_LABELS_DOLLAR */ - -#ifdef LOCAL_LABELS_FB -void fb_label_instance_inc PARAMS ((long label)); -char *fb_label_name PARAMS ((long n, long augend)); -#endif /* LOCAL_LABELS_FB */ +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 (char *s); +symbolS *symbol_find (const char *name); +symbolS *symbol_find_exact (const char *name); +symbolS *symbol_find_base (const char *name, int strip_underscore); +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); +struct local_symbol *local_symbol_make (const char *name, segT section, + valueT value, fragS * frag); +symbolS *symbol_temp_new (segT, valueT, fragS *); +symbolS *symbol_temp_new_now (void); +symbolS *symbol_temp_make (void); + +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); + +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 (long l); +void dollar_label_clear (void); +void define_dollar_label (long l); +char *dollar_label_name (long l, int augend); + +void fb_label_instance_inc (long label); +char *fb_label_name (long n, long augend); + +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_EXTERNAL 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 valueT S_GET_VALUE PARAMS ((symbolS *)); -extern CONST char *S_GET_NAME PARAMS ((symbolS *)); -extern segT S_GET_SEGMENT PARAMS ((symbolS *)); -extern void S_SET_VALUE PARAMS ((symbolS *, valueT)); -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 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_EXTERN (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 *, char *); +extern void S_CLEAR_EXTERNAL (symbolS *); +extern void S_SET_WEAK (symbolS *); +extern void S_SET_THREAD_LOCAL (symbolS *); #endif -/* end of symbols.h */ +#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 */ + +/* + * 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 verify_symbol_chain_2 (symbolS * symP); + +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 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 + +#ifdef TC_SYMFIELD_TYPE +TC_SYMFIELD_TYPE *symbol_get_tc (symbolS *); +void symbol_set_tc (symbolS *, TC_SYMFIELD_TYPE *); +#endif