/* BFD back-end for PDP-11 a.out binaries.
- Copyright 2001, 2002, 2003, 2004, 2005, 2006
+ Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
/* BFD backend for PDP-11, running 2.11BSD in particular.
/* The header is not included in the text segment. */
#define N_HEADER_IN_TEXT(x) 0
-/* There are no shared libraries. */
-#define N_SHARED_LIB(x) 0
-
/* There is no flags field. */
#define N_FLAGS(exec) 0
#define N_SET_FLAGS(exec, flags) do { } while (0)
-#define N_BADMAG(x) (((x).a_info != OMAGIC) \
- && ((x).a_info != NMAGIC) \
- && ((x).a_info != A_MAGIC3) \
- && ((x).a_info != A_MAGIC4) \
- && ((x).a_info != A_MAGIC5) \
- && ((x).a_info != A_MAGIC6))
+#define N_BADMAG(x) (N_MAGIC(x) != OMAGIC \
+ && N_MAGIC(x) != NMAGIC \
+ && N_MAGIC(x) != ZMAGIC)
+#include "sysdep.h"
#include "bfd.h"
#define external_exec pdp11_external_exec
#define WRITE_HEADERS(abfd, execp) pdp11_aout_write_headers (abfd, execp)
-#include "sysdep.h"
#include "libbfd.h"
#include "libaout.h"
}
}
+reloc_howto_type *
+NAME (aout, reloc_name_lookup) (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (howto_table_pdp11) / sizeof (howto_table_pdp11[0]);
+ i++)
+ if (howto_table_pdp11[i].name != NULL
+ && strcasecmp (howto_table_pdp11[i].name, r_name) == 0)
+ return &howto_table_pdp11[i];
+
+ return NULL;
+}
+
static int
pdp11_aout_write_headers (bfd *abfd, struct internal_exec *execp)
{
abfd->flags |= D_PAGED | WP_TEXT;
adata (abfd).magic = z_magic;
}
- else if (N_MAGIC (*execp) == QMAGIC)
- {
- abfd->flags |= D_PAGED | WP_TEXT;
- adata (abfd).magic = z_magic;
- adata (abfd).subformat = q_magic_format;
- }
else if (N_MAGIC (*execp) == NMAGIC)
{
abfd->flags |= WP_TEXT;
adata (abfd).magic = n_magic;
}
- else if (N_MAGIC (*execp) == OMAGIC
- || N_MAGIC (*execp) == BMAGIC)
+ else if (N_MAGIC (*execp) == OMAGIC)
adata (abfd).magic = o_magic;
else
{
execp->a_text = obj_textsec(abfd)->size;
if (ztih && (!abdp || (abdp && !abdp->exec_header_not_counted)))
execp->a_text += adata(abfd).exec_bytes_size;
- if (obj_aout_subformat (abfd) == q_magic_format)
- N_SET_MAGIC (*execp, QMAGIC);
- else
- N_SET_MAGIC (*execp, ZMAGIC);
+ N_SET_MAGIC (*execp, ZMAGIC);
/* Spec says data section should be rounded up to page boundary. */
obj_datasec(abfd)->size
if (bfd_get_format (abfd) == bfd_object)
{
if (obj_textsec (abfd) == NULL
- && ! strcmp (newsect->name, ".text"))
+ && !strcmp (newsect->name, ".text"))
{
obj_textsec(abfd)= newsect;
newsect->target_index = N_TEXT;
- return TRUE;
}
-
- if (obj_datasec (abfd) == NULL
- && ! strcmp (newsect->name, ".data"))
- {
- obj_datasec (abfd) = newsect;
- newsect->target_index = N_DATA;
- return TRUE;
- }
-
- if (obj_bsssec (abfd) == NULL
- && !strcmp (newsect->name, ".bss"))
- {
- obj_bsssec (abfd) = newsect;
- newsect->target_index = N_BSS;
- return TRUE;
- }
- }
+ else if (obj_datasec (abfd) == NULL
+ && !strcmp (newsect->name, ".data"))
+ {
+ obj_datasec (abfd) = newsect;
+ newsect->target_index = N_DATA;
+ }
+ else if (obj_bsssec (abfd) == NULL
+ && !strcmp (newsect->name, ".bss"))
+ {
+ obj_bsssec (abfd) = newsect;
+ newsect->target_index = N_BSS;
+ }
+ }
/* We allow more than three sections internally. */
- return TRUE;
+ return _bfd_generic_new_section_hook (abfd, newsect);
}
bfd_boolean
NAME (aout, make_empty_symbol) (bfd *abfd)
{
bfd_size_type amt = sizeof (aout_symbol_type);
- aout_symbol_type *new = bfd_zalloc (abfd, amt);
+ aout_symbol_type *new_symbol_type = bfd_zalloc (abfd, amt);
- if (!new)
+ if (!new_symbol_type)
return NULL;
- new->symbol.the_bfd = abfd;
+ new_symbol_type->symbol.the_bfd = abfd;
- return &new->symbol;
+ return &new_symbol_type->symbol;
}
/* Translate a set of internal symbols into external symbols. */
bfd_boolean copy)
{
bfd_boolean hash;
- bfd_size_type index;
+ bfd_size_type str_index;
/* An index of 0 always means the empty string. */
if (str == 0 || *str == '\0')
if ((abfd->flags & BFD_TRADITIONAL_FORMAT) != 0)
hash = FALSE;
- index = _bfd_stringtab_add (tab, str, hash, copy);
+ str_index = _bfd_stringtab_add (tab, str, hash, copy);
- if (index != (bfd_size_type) -1)
+ if (str_index != (bfd_size_type) -1)
/* Add BYTES_IN_LONG to the return value to account for the
space taken up by the string table size. */
- index += BYTES_IN_LONG;
+ str_index += BYTES_IN_LONG;
- return index;
+ return str_index;
}
/* Write out a strtab. ABFD is already at the right location in the
}
int
-NAME (aout, sizeof_headers) (bfd *abfd, bfd_boolean execable ATTRIBUTE_UNUSED)
+NAME (aout, sizeof_headers) (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
return adata (abfd).exec_bytes_size;
}
static bfd_boolean
aout_link_check_ar_symbols (bfd *abfd,
struct bfd_link_info *info,
- bfd_boolean *pneeded)
+ bfd_boolean *pneeded,
+ bfd **subsbfd)
{
struct external_nlist *p;
struct external_nlist *pend;
but not if it is defined in the .text section. That
seems a bit crazy to me, and I haven't implemented it.
However, it might be correct. */
- if (! (*info->callbacks->add_archive_element) (info, abfd, name))
+ if (!(*info->callbacks
+ ->add_archive_element) (info, abfd, name, subsbfd))
return FALSE;
*pneeded = TRUE;
return TRUE;
outside BFD. We assume that we should link
in the object file. This is done for the -u
option in the linker. */
- if (! (*info->callbacks->add_archive_element)
- (info, abfd, name))
+ if (!(*info->callbacks
+ ->add_archive_element) (info, abfd, name, subsbfd))
return FALSE;
*pneeded = TRUE;
return TRUE;
struct bfd_link_info *info,
bfd_boolean *pneeded)
{
- if (! aout_get_external_symbols (abfd))
+ bfd *oldbfd;
+ bfd_boolean needed;
+
+ if (!aout_get_external_symbols (abfd))
return FALSE;
- if (! aout_link_check_ar_symbols (abfd, info, pneeded))
+ oldbfd = abfd;
+ if (!aout_link_check_ar_symbols (abfd, info, pneeded, &abfd))
return FALSE;
- if (*pneeded)
+ needed = *pneeded;
+ if (needed)
{
- if (! aout_link_add_symbols (abfd, info))
+ /* Potentially, the add_archive_element hook may have set a
+ substitute BFD for us. */
+ if (abfd != oldbfd)
+ {
+ if (!info->keep_memory
+ && !aout_link_free_symbols (oldbfd))
+ return FALSE;
+ if (!aout_get_external_symbols (abfd))
+ return FALSE;
+ }
+ if (!aout_link_add_symbols (abfd, info))
return FALSE;
}
- if (! info->keep_memory || ! *pneeded)
+ if (!info->keep_memory || !needed)
{
- if (! aout_link_free_symbols (abfd))
+ if (!aout_link_free_symbols (abfd))
return FALSE;
}
switch (type)
{
default:
- abort ();
+ /* Anything else should be a debugging symbol. */
+ BFD_ASSERT ((type & N_STAB) != 0);
+ continue;
case N_UNDF:
case N_ABS:
char *strings;
struct aout_link_hash_entry **sym_hashes;
int *symbol_map;
- bfd_size_type reloc_count;
bfd_byte *rel;
bfd_byte *rel_end;
sym_hashes = obj_aout_sym_hashes (input_bfd);
symbol_map = finfo->symbol_map;
- reloc_count = rel_size / RELOC_SIZE;
rel = relocs;
rel_end = rel + rel_size;
for (; rel < rel_end; rel += RELOC_SIZE)
static bfd_boolean
aout_link_input_bfd (struct aout_final_link_info *finfo, bfd *input_bfd)
{
- bfd_size_type sym_count;
-
BFD_ASSERT (bfd_get_format (input_bfd) == bfd_object);
/* If this is a dynamic object, it may need special handling. */
if (! aout_get_external_symbols (input_bfd))
return FALSE;
- sym_count = obj_aout_external_sym_count (input_bfd);
-
/* Write out the symbols and get a map of the new indices. The map
is placed into finfo->symbol_map. */
if (! aout_link_write_symbols (finfo, input_bfd))
projects / binutils-gdb.git / blobdiff