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gdb/
[binutils-gdb.git]
/
gas
/
struc-symbol.h
diff --git
a/gas/struc-symbol.h
b/gas/struc-symbol.h
index 01c8b4f343ff56d450b9e10d61301a4875369a08..e31703b68f43d8c6a2e94961a542d84947dc8e9d 100644
(file)
--- a/
gas/struc-symbol.h
+++ b/
gas/struc-symbol.h
@@
-1,12
+1,12
@@
/* struct_symbol.h - Internal symbol structure
/* struct_symbol.h - Internal symbol structure
- Copyright 1987, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001
- 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
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,
any later version.
GAS is distributed in the hope that it will be useful,
@@
-16,49
+16,27
@@
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
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, 5
9 Temple Place - Suite 330
, Boston, MA
- 0211
1-1307
, USA. */
+ Software Foundation, 5
1 Franklin Street - Fifth Floor
, Boston, MA
+ 0211
0-1301
, USA. */
#ifndef __struc_symbol_h__
#define __struc_symbol_h__
#ifndef __struc_symbol_h__
#define __struc_symbol_h__
-#ifdef BFD_ASSEMBLER
-/* The BFD code wants to walk the list in both directions. */
-#undef SYMBOLS_NEED_BACKPOINTERS
-#define SYMBOLS_NEED_BACKPOINTERS
-#endif
-
/* 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
{
/* 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;
/* 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;
/* 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;
struct symbol *sy_previous;
-#endif /* SYMBOLS_NEED_BACKPOINTERS */
/* Pointer to the frag this symbol is attached to, if any.
Otherwise, NULL. */
/* Pointer to the frag this symbol is attached to, if any.
Otherwise, NULL. */
@@
-82,12
+60,27
@@
struct symbol
a symbol is used in backend routines. */
unsigned int sy_used : 1;
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 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
#ifdef OBJ_SYMFIELD_TYPE
OBJ_SYMFIELD_TYPE sy_obj;
#endif
@@
-101,8
+94,6
@@
struct symbol
#endif
};
#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
/* 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
@@
-122,14
+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
/* 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
l
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
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
+
l
sy_section. If the symbol has been fully resolved, lsy_frag is
set to NULL. */
union
{
set to NULL. */
union
{
@@
-137,8
+128,8
@@
struct local_symbol
symbolS *lsy_sym;
} u;
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;
#ifdef TC_LOCAL_SYMFIELD_TYPE
TC_LOCAL_SYMFIELD_TYPE lsy_tc;
@@
-154,6
+145,4
@@
struct local_symbol
#define local_symbol_get_real_symbol(l) ((l)->u.lsy_sym)
#define local_symbol_set_real_symbol(l, s) ((l)->u.lsy_sym = (s))
#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__ */
#endif /* __struc_symbol_h__ */