memory when assembling large files. * as.h: Don't include struc-symbol.h. (symbolS): Add typedef. * symbols.c: Include struc-symbol.h. (local_hash): New static variable. (save_symbol_name): New static function, from symbol_create. (symbol_create): Call save_symbol_name. (local_symbol_count): New static variable. (local_symbol_conversion_count): Likewise. (LOCAL_SYMBOL_CHECK): Define. (local_symbol_make): New static function. (local_symbol_convert): New static function. (colon): Handle local symbols. Create local symbol for local label name. (symbol_table_insert): Handle local symbols. (symbol_find_or_make): Create local symbol for local label name. (symbol_find_base): Check for local symbol. (symbol_append, symbol_insert): Check for local symbols. (symbol_clear_list_pointers, symbol_remove): Likewise. (verify_symbol_chain): Likewise. (copy_symbol_attributes): Likewise. (resolve_symbol_value): Handle local symbols. (resolve_local_symbol): New static function. (resolve_local_symbol_values): New function. (S_GET_VALUE, S_SET_VALUE): Handle local symbols. (S_IS_FUNCTION, S_IS_EXTERNAL, S_IS_WEAK, S_IS_COMMON): Likewise. (S_IS_DEFINED, S_IS_DEBUG, S_IS_LOCAL, S_GET_NAME): Likewise. (S_GET_SEGMENT, S_SET_SEGMENT, S_SET_EXTERNAL): Likewise. (S_CLEAR_EXTERNAL, S_SET_WEAK, S_SET_NAME): Likewise. (symbol_previous, symbol_next): New functions. (symbol_get_value_expression): Likewise. (symbol_set_value_expression): Likewise. (symbol_set_frag, symbol_get_frag): Likewise. (symbol_mark_used, symbol_clear_used, symbol_used_p): Likewise. (symbol_mark_used_in_reloc): Likewise. (symbol_clear_used_in_reloc, symbol_used_in_reloc_p): Likewise. (symbol_mark_mri_common, symbol_clear_mri_common): Likewise. (symbol_mri_common_p): Likewise. (symbol_mark_written, symbol_clear_written): Likewise. (symbol_written_p): Likewise. (symbol_mark_resolved, symbol_resolved_p): Likewise. (symbol_section_p, symbol_equated_p): Likewise. (symbol_constant_p): Likewise. (symbol_get_bfdsym, symbol_set_bfdsym): Likewise. (symbol_get_obj, symbol_set_obj): Likewise. (symbol_get_tc, symbol_set_tc): Likewise. (symbol_begin): Initialize local_hash. (print_symbol_value_1): Handle local symbols. (symbol_print_statistics): Print local symbol statistics. * symbols.h: Include "struc-symbol.h" if not BFD_ASSEMBLER. Declare new symbols.c functions. Move many declarations here from struc-symbol.h. (SYMBOLS_NEED_BACKPOINTERS): Define if needed. * struc-symbol.h (SYMBOLS_NEED_BACKPOINTERS): Don't set. (struct symbol): Move bsym to make it clearly the first field. Remove TARGET_SYMBOL_FIELDS. (symbolS): Don't typedef. (struct broken_word): Remove. (N_TYPE_seg, seg_N_TYPE): Move to symbol.h. (SEGMENT_TO_SYMBOL_TYPE, N_REGISTER): Likewise. (symbol_clear_list_pointers): Likewise. (symbol_insert, symbol_remove): Likewise. (symbol_previous, symbol_append): Likewise. (verify_symbol_chain, verify_symbol_chain_2): Likewise. (struct local_symbol): Define. (local_symbol_converted_p, local_symbol_mark_converted): Define. (local_symbol_resolved_p, local_symbol_mark_resolved): Define. (local_symbol_get_frag, local_symbol_set_frag): Define. (local_symbol_get_real_symbol): Define. (local_symbol_set_real_symbol): Define. Define. * write.c (write_object_file): Call resolve_local_symbol_values. * config/obj-ecoff.h (OBJ_SYMFIELD_TYPE): Define. (TARGET_SYMBOL_FIELDS): Don't define. * config/obj-elf.h (OBJ_SYMFIELD_TYPE): Add local field. If ECOFF_DEBUGGING, add ECOFF fields. (ELF_TARGET_SYMBOL_FIELDS, TARGET_SYMBOL_FIELDS): Don't define. * config/obj-multi.h (struct elf_obj_sy): Add local field. If ECOFF_DEBUGGING, add ECOFF fields. (ELF_TARGET_SYMBOL_FIELDS, TARGET_SYMBOL_FIELDS): Don't define. (ECOFF_DEBUG_TARGET_SYMBOL_FIELDS): Don't define. * config/tc-mcore.h: Don't include struc-symbol.h. (TARGET_SYMBOL_FIELDS): Don't define. (struct mcore_tc_sy): Define. (TC_SYMFIELD_TYPE): Define. * Many files: Use symbolS instead of struct symbol. Use new accessor functions rather than referring to symbolS fields directly. * read.c (s_mri_common): Don't add in value of line_label. * config/tc-mips.c (md_apply_fix): Correct parenthesization when checking for SEC_LINK_ONCE. * config/tc-sh.h (sh_fix_adjustable): Declare.
204 lines
7.3 KiB
C
204 lines
7.3 KiB
C
/* symbols.h -
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Copyright (C) 1987, 90, 92, 93, 94, 95, 97, 1999
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Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#ifdef BFD_ASSEMBLER
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/* The BFD code wants to walk the list in both directions. */
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#undef SYMBOLS_NEED_BACKPOINTERS
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#define SYMBOLS_NEED_BACKPOINTERS
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#endif
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#ifndef BFD_ASSEMBLER
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/* The non-BFD code expects to be able to manipulate the symbol fields
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directly. */
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#include "struc-symbol.h"
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#endif
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extern struct obstack notes; /* eg FixS live here. */
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extern struct obstack cond_obstack; /* this is where we track .ifdef/.endif
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(if we do that at all). */
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extern symbolS *symbol_rootP; /* all the symbol nodes */
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extern symbolS *symbol_lastP; /* last struct symbol we made, or NULL */
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extern symbolS abs_symbol;
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extern int symbol_table_frozen;
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/* This is non-zero if symbols are case sensitive, which is the
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default. */
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extern int symbols_case_sensitive;
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char *decode_local_label_name PARAMS ((char *s));
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symbolS *symbol_find PARAMS ((CONST char *name));
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symbolS *symbol_find_base PARAMS ((CONST char *name, int strip_underscore));
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symbolS *symbol_find_or_make PARAMS ((const char *name));
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symbolS *symbol_make PARAMS ((CONST char *name));
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symbolS *symbol_new PARAMS ((CONST char *name, segT segment, valueT value,
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fragS * frag));
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symbolS *symbol_create PARAMS ((CONST char *name, segT segment, valueT value,
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fragS * frag));
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symbolS *colon PARAMS ((const char *sym_name));
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void local_colon PARAMS ((int n));
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void symbol_begin PARAMS ((void));
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void symbol_print_statistics PARAMS ((FILE *));
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void symbol_table_insert PARAMS ((symbolS * symbolP));
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valueT resolve_symbol_value PARAMS ((symbolS *, int));
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void resolve_local_symbol_values PARAMS ((void));
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void print_symbol_value PARAMS ((symbolS *));
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void print_expr PARAMS ((expressionS *));
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void print_expr_1 PARAMS ((FILE *, expressionS *));
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void print_symbol_value_1 PARAMS ((FILE *, symbolS *));
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int dollar_label_defined PARAMS ((long l));
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void dollar_label_clear PARAMS ((void));
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void define_dollar_label PARAMS ((long l));
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char *dollar_label_name PARAMS ((long l, int augend));
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void fb_label_instance_inc PARAMS ((long label));
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char *fb_label_name PARAMS ((long n, long augend));
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extern void copy_symbol_attributes PARAMS ((symbolS *, symbolS *));
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/* Get and set the values of symbols. These used to be macros. */
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extern valueT S_GET_VALUE PARAMS ((symbolS *));
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extern void S_SET_VALUE PARAMS ((symbolS *, valueT));
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#ifdef BFD_ASSEMBLER
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extern int S_IS_EXTERNAL PARAMS ((symbolS *));
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extern int S_IS_WEAK PARAMS ((symbolS *));
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extern int S_IS_COMMON PARAMS ((symbolS *));
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extern int S_IS_DEFINED PARAMS ((symbolS *));
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extern int S_IS_DEBUG PARAMS ((symbolS *));
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extern int S_IS_LOCAL PARAMS ((symbolS *));
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extern int S_IS_EXTERN PARAMS ((symbolS *));
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extern int S_IS_STABD PARAMS ((symbolS *));
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extern CONST char *S_GET_NAME PARAMS ((symbolS *));
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extern segT S_GET_SEGMENT PARAMS ((symbolS *));
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extern void S_SET_SEGMENT PARAMS ((symbolS *, segT));
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extern void S_SET_EXTERNAL PARAMS ((symbolS *));
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extern void S_SET_NAME PARAMS ((symbolS *, char *));
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extern void S_CLEAR_EXTERNAL PARAMS ((symbolS *));
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extern void S_SET_WEAK PARAMS ((symbolS *));
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#endif
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#ifndef WORKING_DOT_WORD
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struct broken_word
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{
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/* Linked list -- one of these structures per ".word x-y+C"
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expression. */
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struct broken_word *next_broken_word;
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/* Segment and subsegment for broken word. */
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segT seg;
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subsegT subseg;
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/* Which frag is this broken word in? */
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fragS *frag;
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/* Where in the frag is it? */
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char *word_goes_here;
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/* Where to add the break. */
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fragS *dispfrag; /* where to add the break */
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/* Operands of expression. */
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symbolS *add;
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symbolS *sub;
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offsetT addnum;
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int added; /* nasty thing happend yet? */
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/* 1: added and has a long-jump */
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/* 2: added but uses someone elses long-jump */
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/* Pointer to broken_word with a similar long-jump. */
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struct broken_word *use_jump;
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};
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extern struct broken_word *broken_words;
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#endif /* ndef WORKING_DOT_WORD */
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/*
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* Current means for getting from symbols to segments and vice verse.
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* This will change for infinite-segments support (e.g. COFF).
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*/
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extern const segT N_TYPE_seg[]; /* subseg.c */
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#define SEGMENT_TO_SYMBOL_TYPE(seg) ( seg_N_TYPE [(int) (seg)] )
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extern const short seg_N_TYPE[];/* subseg.c */
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#define N_REGISTER 30 /* Fake N_TYPE value for SEG_REGISTER */
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void symbol_clear_list_pointers PARAMS ((symbolS * symbolP));
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#ifdef SYMBOLS_NEED_BACKPOINTERS
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void symbol_insert PARAMS ((symbolS * addme, symbolS * target,
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symbolS ** rootP, symbolS ** lastP));
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void symbol_remove PARAMS ((symbolS * symbolP, symbolS ** rootP,
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symbolS ** lastP));
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extern symbolS *symbol_previous PARAMS ((symbolS *));
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#endif /* SYMBOLS_NEED_BACKPOINTERS */
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void verify_symbol_chain PARAMS ((symbolS * rootP, symbolS * lastP));
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void verify_symbol_chain_2 PARAMS ((symbolS * symP));
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void symbol_append PARAMS ((symbolS * addme, symbolS * target,
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symbolS ** rootP, symbolS ** lastP));
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extern symbolS *symbol_next PARAMS ((symbolS *));
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extern expressionS *symbol_get_value_expression PARAMS ((symbolS *));
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extern void symbol_set_value_expression PARAMS ((symbolS *,
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const expressionS *));
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extern void symbol_set_frag PARAMS ((symbolS *, fragS *));
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extern fragS *symbol_get_frag PARAMS ((symbolS *));
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extern void symbol_mark_used PARAMS ((symbolS *));
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extern void symbol_clear_used PARAMS ((symbolS *));
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extern int symbol_used_p PARAMS ((symbolS *));
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extern void symbol_mark_used_in_reloc PARAMS ((symbolS *));
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extern void symbol_clear_used_in_reloc PARAMS ((symbolS *));
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extern int symbol_used_in_reloc_p PARAMS ((symbolS *));
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extern void symbol_mark_mri_common PARAMS ((symbolS *));
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extern void symbol_clear_mri_common PARAMS ((symbolS *));
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extern int symbol_mri_common_p PARAMS ((symbolS *));
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extern void symbol_mark_written PARAMS ((symbolS *));
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extern void symbol_clear_written PARAMS ((symbolS *));
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extern int symbol_written_p PARAMS ((symbolS *));
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extern void symbol_mark_resolved PARAMS ((symbolS *));
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extern int symbol_resolved_p PARAMS ((symbolS *));
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extern int symbol_section_p PARAMS ((symbolS *));
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extern int symbol_equated_p PARAMS ((symbolS *));
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extern int symbol_constant_p PARAMS ((symbolS *));
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#ifdef BFD_ASSEMBLER
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extern asymbol *symbol_get_bfdsym PARAMS ((symbolS *));
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extern void symbol_set_bfdsym PARAMS ((symbolS *, asymbol *));
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#endif
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#ifdef OBJ_SYMFIELD_TYPE
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OBJ_SYMFIELD_TYPE *symbol_get_obj PARAMS ((symbolS *));
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void symbol_set_obj PARAMS ((symbolS *, OBJ_SYMFIELD_TYPE *));
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#endif
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#ifdef TC_SYMFIELD_TYPE
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TC_SYMFIELD_TYPE *symbol_get_tc PARAMS ((symbolS *));
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void symbol_set_tc PARAMS ((symbolS *, TC_SYMFIELD_TYPE *));
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#endif
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/* end of symbols.h */
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