* regset.h (struct core_regset_section): Add HUMAN_NAME.

[pf3gnuchains/pf3gnuchains3x.git] / gas / struc-symbol.h

diff --git a/gas/struc-symbol.h b/gas/struc-symbol.h
index 1087c2b..e31703b 100644 (file)
--- a/gas/struc-symbol.h
+++ b/gas/struc-symbol.h
@@ -1,11 +1,12 @@
 /* struct_symbol.h - Internal symbol structure
-   Copyright (C) 1987, 92, 93, 94, 95, 98, 1999 Free Software Foundation, Inc.
+   Copyright 1987, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2005,
+   2007, 2008, 2009 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)
+   the Free Software Foundation; either version 3, or (at your option)
    any later version.
 
    GAS is distributed in the hope that it will be useful,
@@ -15,8 +16,8 @@
 
    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.  */
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
 
 #ifndef __struc_symbol_h__
 #define __struc_symbol_h__
@@ -27,31 +28,15 @@
 
 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.  */
@@ -69,18 +54,33 @@ struct symbol
      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.  
+  /* 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;
 
+  /* Whether the symbol can be re-defined.  */
+  unsigned int sy_volatile : 1;
+
+  /* Whether the symbol is a forward reference.  */
+  unsigned int sy_forward_ref : 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;
 
+  /* This is set if the symbol is set with a .weakref directive.  */
+  unsigned int sy_weakrefr : 1;
+
+  /* This is set when the symbol is referenced as part of a .weakref
+     directive, but only if the symbol was not in the symbol table
+     before.  It is cleared as soon as any direct reference to the
+     symbol is present.  */
+  unsigned int sy_weakrefd : 1;
+
 #ifdef OBJ_SYMFIELD_TYPE
   OBJ_SYMFIELD_TYPE sy_obj;
 #endif
@@ -88,6 +88,10 @@ struct symbol
 #ifdef TC_SYMFIELD_TYPE
   TC_SYMFIELD_TYPE sy_tc;
 #endif
+
+#ifdef TARGET_SYMBOL_FIELDS
+  TARGET_SYMBOL_FIELDS
+#endif
 };
 
 /* A pointer in the symbol may point to either a complete symbol
@@ -109,14 +113,14 @@ struct local_symbol
 
   /* 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.  */
+     symbol, and lsy_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
+     lsy_section.  If the symbol has been fully resolved, lsy_frag is
      set to NULL.  */
   union
   {
@@ -124,8 +128,12 @@ struct local_symbol
     symbolS *lsy_sym;
   } u;
 
-  /* The offset within the frag.  */
-  valueT lsy_offset;
+  /* The value of the symbol.  */
+  valueT lsy_value;
+
+#ifdef TC_LOCAL_SYMFIELD_TYPE
+  TC_LOCAL_SYMFIELD_TYPE lsy_tc;
+#endif
 };
 
 #define local_symbol_converted_p(l) ((l)->lsy_section == reg_section)
@@ -138,5 +146,3 @@ struct local_symbol
 #define local_symbol_set_real_symbol(l, s) ((l)->u.lsy_sym = (s))
 
 #endif /* __struc_symbol_h__ */
-
-/* end of struc-symbol.h */