/* 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.
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. */
+
+#ifdef BFD_ASSEMBLER
+/* The BFD code wants to walk the list in both directions. */
+#undef SYMBOLS_NEED_BACKPOINTERS
+#define SYMBOLS_NEED_BACKPOINTERS
+#endif
-extern struct obstack notes; /* eg FixS live here. */
+#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 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;
+extern int symbol_table_frozen;
-#if __STDC__ == 1
+/* 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 (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);
+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);
-void verify_symbol_chain (symbolS * rootP, symbolS * lastP);
+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 *);
-#ifdef LOCAL_LABELS_DOLLAR
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);
-#endif /* LOCAL_LABELS_DOLLAR */
-#ifdef LOCAL_LABELS_FB
void fb_label_instance_inc (long label);
char *fb_label_name (long n, long augend);
-#endif /* LOCAL_LABELS_FB */
-
-#else /* not __STDC__ */
-
-char *decode_local_label_name ();
-char *fb_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 ();
-
-#ifdef LOCAL_LABELS_DOLLAR
-int dollar_label_defined ();
-void dollar_label_clear ();
-void define_dollar_label ();
-char *dollar_label_name ();
-#endif /* LOCAL_LABELS_DOLLAR */
-
-#ifdef LOCAL_LABELS_FB
-void fb_label_instance_inc ();
-char *fb_label_name ();
-#endif /* LOCAL_LABELS_FB */
-
-#endif /* not __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_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
+
+#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 */
-/* end of symbols.h */
+#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
projects / deliverable / binutils-gdb.git / blobdiff