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* read.h (mri_comon_symbol): Declare. (s_mri_common): Declare. * read.c (mri_line_label): New static variable. (mri_common_symbol): New global variable. (potable): Add "common" and "common.s". (read_a_source_file): In MRI mode, set mri_line_label for a label at the start of a line. (s_mri_common): New function. (s_space): Handle mri_common_symbol. * symbols.c (colon): Change return value from void to symbolS *, and return new symbol. If mri_common_symbol is set, attach the new symbol to it. (resolve_symbol_value): Handle an sy_mri_common symbol. * symbols.h (colon): Change return value in declaration. * subsegs.c (subseg_set_rest): Clear mri_common_symbol. (subseg_set (both versions)): Likewise. * frags.c (frag_more): Warn if mri_common_symbol is not NULL. * write.c (adjust_reloc_syms): Skip sy_mri_common symbols. (write_object_file): Discard sy_mri_common symbols. (fixup_segment): Change relocations against sy_mri_common symbols to be against the common symbol itself. * config/obj-coff.c (yank_symbols): Discard sy_mri_common symbols. (fixup_segment): Change relocations against sy_mri_common symbols to be against the common symbol itself. * config/obj-aout.c (obj_crawl_symbol_chain): Discard sy_mri_common symbols.
83 lines
3.2 KiB
C
83 lines
3.2 KiB
C
/* symbols.h -
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Copyright (C) 1987, 1990, 1992, 1993, 1994 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
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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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 ((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 ((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_table_insert PARAMS ((symbolS * symbolP));
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void resolve_symbol_value PARAMS ((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_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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/* end of symbols.h */
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