/* struct_symbol.h - Internal symbol structure
- Copyright (C) 1987 Free Software Foundation, Inc.
+ Copyright (C) 1987, 1992 Free Software Foundation, Inc.
-This file is part of GAS, the GNU Assembler.
+ 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 1, or (at your option)
-any later version.
+ 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.
+ 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. */
+ 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. */
-struct symbol /* our version of an nlist node */
+#ifndef __struc_symbol_h__
+#define __struc_symbol_h__
+
+#ifdef BFD_ASSEMBLER
+/* The BFD code wants to walk the list in both directions. */
+#undef SYMBOLS_NEED_BACKPOINTERS
+#define SYMBOLS_NEED_BACKPOINTERS
+#endif
+
+/* our version of an nlist node */
+struct symbol
{
- obj_symbol_type sy_symbol; /* what we write in .o file (if permitted) */
- unsigned long sy_name_offset; /* 4-origin position of sy_name in symbols */
- /* part of object file. */
- /* 0 for (nameless) .stabd symbols. */
- /* Not used until write_object_file() time. */
- long sy_number; /* 24 bit symbol number. */
- /* Symbol numbers start at 0 and are */
- /* unsigned. */
+#ifndef BFD_ASSEMBLER
+ /* The (4-origin) position of sy_name in the symbol table of the object
+ file. This will be 0 for (nameless) .stabd symbols.
+
+ Not used until write_object_file() time. */
+ unsigned long sy_name_offset;
+
+ /* What we write in .o file (if permitted). */
+ obj_symbol_type sy_symbol;
+
+ /* The 24 bit symbol number. Symbol numbers start at 0 and are unsigned. */
+ long sy_number;
+#else
+ /* BFD symbol */
+ asymbol *bsym;
+#endif
+
+ /* The value of the symbol. */
+ expressionS sy_value;
+
struct symbol *sy_next; /* forward chain, or NULL */
#ifdef SYMBOLS_NEED_BACKPOINTERS
struct symbol *sy_previous; /* backward chain, or NULL */
#endif /* SYMBOLS_NEED_BACKPOINTERS */
- struct frag *sy_frag; /* NULL or -> frag this symbol attaches to. */
+
+ struct frag *sy_frag; /* NULL or -> frag this symbol attaches to. */
+
struct symbol *sy_forward; /* value is really that of this other symbol */
-/* We will probably want to add a sy_segment here soon. */
+
+ int written : 1;
+
+#ifdef TARGET_SYMBOL_FIELDS
+ TARGET_SYMBOL_FIELDS
+#endif
};
typedef struct symbol symbolS;
-typedef unsigned valueT; /* The type of n_value. Helps casting. */
-
#ifndef WORKING_DOT_WORD
-struct broken_word {
- struct broken_word *next_broken_word;/* One of these strucs per .word x-y */
- fragS *frag; /* Which frag its in */
- char *word_goes_here;/* Where in the frag it is */
- fragS *dispfrag; /* where to add the break */
- symbolS *add; /* symbol_x */
- symbolS *sub; /* - symbol_y */
- long addnum; /* + addnum */
- int added; /* nasty thing happend yet? */
- /* 1: added and has a long-jump */
- /* 2: added but uses someone elses long-jump */
- struct broken_word *use_jump; /* points to broken_word with a similar
+struct broken_word
+ {
+ struct broken_word *next_broken_word; /* One of these strucs per .word x-y */
+ fragS *frag; /* Which frag its in */
+ char *word_goes_here; /* Where in the frag it is */
+ fragS *dispfrag; /* where to add the break */
+ symbolS *add; /* symbol_x */
+ symbolS *sub; /* - symbol_y */
+ offsetT addnum; /* + addnum */
+ int added; /* nasty thing happend yet? */
+ /* 1: added and has a long-jump */
+ /* 2: added but uses someone elses long-jump */
+ struct broken_word *use_jump; /* points to broken_word with a similar
long-jump */
-};
+ };
extern struct broken_word *broken_words;
#endif /* ndef WORKING_DOT_WORD */
* This will change for infinite-segments support (e.g. COFF).
*/
/* #define SYMBOL_TYPE_TO_SEGMENT(symP) ( N_TYPE_seg [(int) (symP)->sy_type & N_TYPE] ) */
-extern segT N_TYPE_seg[]; /* subseg.c */
+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 */
+extern const short seg_N_TYPE[];/* subseg.c */
#define N_REGISTER 30 /* Fake N_TYPE value for SEG_REGISTER */
#ifdef SYMBOLS_NEED_BACKPOINTERS
-#ifdef __STDC__
-
-void symbol_clear_list_pointers(symbolS *symbolP);
-void symbol_insert(symbolS *addme, symbolS *target, symbolS **rootP, symbolS **lastP);
-void symbol_remove(symbolS *symbolP, symbolS **rootP, symbolS **lastP);
-void verify_symbol_chain(symbolS *rootP, symbolS *lastP);
-#else /* __STDC__ */
-
-void symbol_clear_list_pointers();
-void symbol_insert();
-void symbol_remove();
-void verify_symbol_chain();
-
-#endif /* __STDC__ */
+void symbol_clear_list_pointers PARAMS ((symbolS * symbolP));
+void symbol_insert PARAMS ((symbolS * addme, symbolS * target,
+ symbolS ** rootP, symbolS ** lastP));
+void symbol_remove PARAMS ((symbolS * symbolP, symbolS ** rootP,
+ symbolS ** lastP));
+void verify_symbol_chain PARAMS ((symbolS * rootP, symbolS * lastP));
#define symbol_previous(s) ((s)->sy_previous)
#endif /* SYMBOLS_NEED_BACKPOINTERS */
-#ifdef __STDC__
-void symbol_append(symbolS *addme, symbolS *target, symbolS **rootP, symbolS **lastP);
-#else /* __STDC__ */
-void symbol_append();
-#endif /* __STDC__ */
+void symbol_append PARAMS ((symbolS * addme, symbolS * target,
+ symbolS ** rootP, symbolS ** lastP));
#define symbol_next(s) ((s)->sy_next)
-/*
- * Local Variables:
- * comment-column: 0
- * fill-column: 131
- * End:
- */
+#endif /* __struc_symbol_h__ */
/* end of struc-symbol.h */
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