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Diffstat (limited to 'gas/struc-symbol.h')
| -rw-r--r-- | gas/struc-symbol.h | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/gas/struc-symbol.h b/gas/struc-symbol.h deleted file mode 100644 index 75735661bf2..00000000000 --- a/gas/struc-symbol.h +++ /dev/null @@ -1,146 +0,0 @@ -/* struct_symbol.h - Internal symbol structure - Copyright (C) 1987, 92, 93, 94, 95, 98, 1999 Free Software Foundation, Inc. - - 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 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. - - 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, 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ - -#ifndef __struc_symbol_h__ -#define __struc_symbol_h__ - -/* The information we keep for a symbol. Note that the symbol table - holds pointers both to this and to local_symbol structures. See - below. */ - -struct symbol -{ -#ifdef BFD_ASSEMBLER - /* BFD symbol */ - asymbol *bsym; -#else - /* 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; -#endif - - /* The value of the symbol. */ - expressionS sy_value; - - /* Forwards and (optionally) backwards chain pointers. */ - struct symbol *sy_next; -#ifdef SYMBOLS_NEED_BACKPOINTERS - struct symbol *sy_previous; -#endif /* SYMBOLS_NEED_BACKPOINTERS */ - - /* Pointer to the frag this symbol is attached to, if any. - Otherwise, NULL. */ - struct frag *sy_frag; - - unsigned int written : 1; - /* Whether symbol value has been completely resolved (used during - final pass over symbol table). */ - unsigned int sy_resolved : 1; - /* Whether the symbol value is currently being resolved (used to - detect loops in symbol dependencies). */ - unsigned int sy_resolving : 1; - /* Whether the symbol value is used in a reloc. This is used to - ensure that symbols used in relocs are written out, even if they - are local and would otherwise not be. */ - unsigned int sy_used_in_reloc : 1; - - /* Whether the symbol is used as an operand or in an expression. - NOTE: Not all the backends keep this information accurate; - backends which use this bit are responsible for setting it when - a symbol is used in backend routines. */ - unsigned int sy_used : 1; - - /* This is set if the symbol is defined in an MRI common section. - We handle such sections as single common symbols, so symbols - defined within them must be treated specially by the relocation - routines. */ - unsigned int sy_mri_common : 1; - -#ifdef OBJ_SYMFIELD_TYPE - OBJ_SYMFIELD_TYPE sy_obj; -#endif - -#ifdef TC_SYMFIELD_TYPE - TC_SYMFIELD_TYPE sy_tc; -#endif -}; - -#ifdef BFD_ASSEMBLER - -/* A pointer in the symbol may point to either a complete symbol - (struct symbol above) or to a local symbol (struct local_symbol - defined here). The symbol code can detect the case by examining - the first field. It is always NULL for a local symbol. - - We do this because we ordinarily only need a small amount of - information for a local symbol. The symbol table takes up a lot of - space, and storing less information for a local symbol can make a - big difference in assembler memory usage when assembling a large - file. */ - -struct local_symbol -{ - /* This pointer is always NULL to indicate that this is a local - symbol. */ - asymbol *lsy_marker; - - /* The symbol section. This also serves as a flag. If this is - reg_section, then this symbol has been converted into a regular - symbol, and sy_sym points to it. */ - segT lsy_section; - - /* The symbol name. */ - const char *lsy_name; - - /* The symbol frag or the real symbol, depending upon the value in - sy_section. If the symbol has been fully resolved, lsy_frag is - set to NULL. */ - union - { - fragS *lsy_frag; - symbolS *lsy_sym; - } u; - - /* The offset within the frag. */ - valueT lsy_offset; -}; - -#define local_symbol_converted_p(l) ((l)->lsy_section == reg_section) -#define local_symbol_mark_converted(l) ((l)->lsy_section = reg_section) -#define local_symbol_resolved_p(l) ((l)->u.lsy_frag == NULL) -#define local_symbol_mark_resolved(l) ((l)->u.lsy_frag = NULL) -#define local_symbol_get_frag(l) ((l)->u.lsy_frag) -#define local_symbol_set_frag(l, f) ((l)->u.lsy_frag = (f)) -#define local_symbol_get_real_symbol(l) ((l)->u.lsy_sym) -#define local_symbol_set_real_symbol(l, s) ((l)->u.lsy_sym = (s)) - -#endif /* BFD_ASSEMBLER */ - -#endif /* __struc_symbol_h__ */ - -/* end of struc-symbol.h */ |