/* Generic symbol-table support for the BFD library.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003
+ 2000, 2001, 2002, 2003, 2004, 2007
Free Software Foundation, Inc.
Written by Cygnus Support.
This program 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 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
/*
SECTION
| nm foo
| 00012345 A dummy_symbol
- Many formats cannot represent arbitary symbol information; for
+ Many formats cannot represent arbitrary symbol information; for
instance, the <<a.out>> object format does not allow an
- arbitary number of sections. A symbol pointing to a section
+ arbitrary number of sections. A symbol pointing to a section
which is not one of <<.text>>, <<.data>> or <<.bss>> cannot
be described.
CODE_FRAGMENT
.
-.typedef struct symbol_cache_entry
+.typedef struct bfd_symbol
.{
. {* A pointer to the BFD which owns the symbol. This information
. is necessary so that a back end can work out what additional
. <<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or
. <<BSF_GLOBAL>>. *}
.
-. {* The symbol is a debugging record. The value has an arbitary
+. {* The symbol is a debugging record. The value has an arbitrary
. meaning, unless BSF_DEBUGGING_RELOC is also set. *}
.#define BSF_DEBUGGING 0x08
.
. {* This symbol is thread local. Used in ELF. *}
.#define BSF_THREAD_LOCAL 0x40000
.
+. {* This symbol represents a complex relocation expression,
+. with the expression tree serialized in the symbol name. *}
+.#define BSF_RELC 0x80000
+.
+. {* This symbol represents a signed complex relocation expression,
+. with the expression tree serialized in the symbol name. *}
+.#define BSF_SRELC 0x100000
+.
+. {* This symbol was created by bfd_get_synthetic_symtab. *}
+.#define BSF_SYNTHETIC 0x200000
+.
. flagword flags;
.
. {* A pointer to the section to which this symbol is
. relative. This will always be non NULL, there are special
. sections for undefined and absolute symbols. *}
-. struct sec *section;
+. struct bfd_section *section;
.
. {* Back end special data. *}
. union
.
*/
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "safe-ctype.h"
#include "bfdlink.h"
/* The BSF_SECTION_SYM check is needed for IA-64, where every label that
starts with '.' is local. This would accidentally catch section names
if we didn't reject them here. */
- if ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_SECTION_SYM)) != 0)
+ if ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_FILE | BSF_SECTION_SYM)) != 0)
return FALSE;
if (sym->name == NULL)
return FALSE;
.
*/
+/*
+FUNCTION
+ bfd_is_target_special_symbol
+
+SYNOPSIS
+ bfd_boolean bfd_is_target_special_symbol (bfd *abfd, asymbol *sym);
+
+DESCRIPTION
+ Return TRUE iff a symbol @var{sym} in the BFD @var{abfd} is something
+ special to the particular target represented by the BFD. Such symbols
+ should normally not be mentioned to the user.
+
+.#define bfd_is_target_special_symbol(abfd, sym) \
+. BFD_SEND (abfd, _bfd_is_target_special_symbol, (abfd, sym))
+.
+*/
+
/*
FUNCTION
bfd_canonicalize_symtab
we could perhaps obsolete coff_section_type. */
static char
-decode_section_type (const struct sec *section)
+decode_section_type (const struct bfd_section *section)
{
if (section->flags & SEC_CODE)
return 't';
{
char c;
- if (bfd_is_com_section (symbol->section))
+ if (symbol->section && bfd_is_com_section (symbol->section))
return 'C';
if (bfd_is_und_section (symbol->section))
{
return TRUE;
}
- stabsize = info->stabsec->_raw_size;
- strsize = info->strsec->_raw_size;
+ stabsize = (info->stabsec->rawsize
+ ? info->stabsec->rawsize
+ : info->stabsec->size);
+ strsize = (info->strsec->rawsize
+ ? info->strsec->rawsize
+ : info->strsec->size);
}
else
{
if (info->stabsec == NULL || info->strsec == NULL)
{
- /* No stabs debugging information. Set *pinfo so that we
- can return quickly in the info != NULL case above. */
- *pinfo = info;
- return TRUE;
+ /* Try SOM section names. */
+ info->stabsec = bfd_get_section_by_name (abfd, "$GDB_SYMBOLS$");
+ info->strsec = bfd_get_section_by_name (abfd, "$GDB_STRINGS$");
+
+ if (info->stabsec == NULL || info->strsec == NULL)
+ {
+ /* No stabs debugging information. Set *pinfo so that we
+ can return quickly in the info != NULL case above. */
+ *pinfo = info;
+ return TRUE;
+ }
}
- stabsize = info->stabsec->_raw_size;
- strsize = info->strsec->_raw_size;
+ stabsize = (info->stabsec->rawsize
+ ? info->stabsec->rawsize
+ : info->stabsec->size);
+ strsize = (info->strsec->rawsize
+ ? info->strsec->rawsize
+ : info->strsec->size);
info->stabs = bfd_alloc (abfd, stabsize);
info->strs = bfd_alloc (abfd, strsize);
return FALSE;
if (! bfd_get_section_contents (abfd, info->stabsec, info->stabs,
- (bfd_vma) 0, stabsize)
+ 0, stabsize)
|| ! bfd_get_section_contents (abfd, info->strsec, info->strs,
- (bfd_vma) 0, strsize))
+ 0, strsize))
return FALSE;
/* If this is a relocatable object file, we have to relocate
asymbol *sym;
r = *pr;
+ /* Ignore R_*_NONE relocs. */
+ if (r->howto->dst_mask == 0)
+ continue;
+
if (r->howto->rightshift != 0
|| r->howto->size != 2
|| r->howto->bitsize != 32
long low, high;
long mid = -1;
- /* Cache non-existant or invalid. Do binary search on
+ /* Cache non-existent or invalid. Do binary search on
indextable. */
indexentry = NULL;