diff options
Diffstat (limited to 'gas/symbols.h')
| -rw-r--r-- | gas/symbols.h | 116 |
1 files changed, 115 insertions, 1 deletions
diff --git a/gas/symbols.h b/gas/symbols.h index c6efbdb..bd7604e 100644 --- a/gas/symbols.h +++ b/gas/symbols.h @@ -1,5 +1,6 @@ /* symbols.h - - Copyright (C) 1987, 90, 92, 93, 94, 95, 1997 Free Software Foundation, Inc. + Copyright (C) 1987, 90, 92, 93, 94, 95, 97, 1999 + Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -18,6 +19,18 @@ 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 + +#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 @@ -49,6 +62,7 @@ void symbol_begin PARAMS ((void)); void symbol_print_statistics PARAMS ((FILE *)); void symbol_table_insert PARAMS ((symbolS * symbolP)); valueT resolve_symbol_value PARAMS ((symbolS *, int)); +void resolve_local_symbol_values PARAMS ((void)); void print_symbol_value PARAMS ((symbolS *)); void print_expr PARAMS ((expressionS *)); @@ -87,4 +101,104 @@ 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 */ + +/* + * 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 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_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 + /* end of symbols.h */ |