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/* BFD back-end for Apple M68K COFF A/UX 3.x files.
Copyright (C) 1996-2017 Free Software Foundation, Inc.
Written by Richard Henderson <rth@tamu.edu>.
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 3 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#define TARGET_SYM m68k_coff_aux_vec
#define TARGET_NAME "coff-m68k-aux"
#ifndef TARG_AUX
#define TARG_AUX
#endif
#define COFF_LONG_FILENAMES
/* 4k pages */
#define COFF_PAGE_SIZE 0x1000
/* On AUX, a STYP_NOLOAD|STYP_BSS section is part of a shared library. */
#define BSS_NOLOAD_IS_SHARED_LIBRARY
#define STATIC_RELOCS
#define COFF_COMMON_ADDEND
#include "sysdep.h"
#include "bfd.h"
#define coff_link_add_one_symbol coff_m68k_aux_link_add_one_symbol
static bfd_boolean
coff_m68k_aux_link_add_one_symbol
(struct bfd_link_info *, bfd *, const char *, flagword, asection *,
bfd_vma, const char *, bfd_boolean, bfd_boolean,
struct bfd_link_hash_entry **);
#ifndef bfd_pe_print_pdata
#define bfd_pe_print_pdata NULL
#endif
#include "coff/aux-coff.h" /* override coff/internal.h and coff/m68k.h */
#include "coff-m68k.c"
/* We need non-absolute symbols to override absolute symbols. This
mirrors Apple's "solution" to let a static library symbol override
a shared library symbol. On the whole not a good thing, given how
shared libraries work here, but can work if you are careful with
what you include in the shared object. */
static bfd_boolean
coff_m68k_aux_link_add_one_symbol (struct bfd_link_info *info,
bfd *abfd,
const char *name,
flagword flags,
asection *section,
bfd_vma value,
const char *string,
bfd_boolean copy,
bfd_boolean collect,
struct bfd_link_hash_entry **hashp)
{
struct bfd_link_hash_entry *h, *inh, *t;
if ((flags & (BSF_WARNING | BSF_CONSTRUCTOR | BSF_WEAK)) == 0
&& !bfd_is_und_section (section)
&& !bfd_is_com_section (section))
{
/* The new symbol is a definition or an indirect definition */
/* This bit copied from linker.c */
if (hashp != NULL && *hashp != NULL)
h = *hashp;
else
{
h = bfd_link_hash_lookup (info->hash, name, TRUE, copy, FALSE);
if (h == NULL)
{
if (hashp != NULL)
*hashp = NULL;
return FALSE;
}
}
if (hashp != (struct bfd_link_hash_entry **) NULL)
*hashp = h;
/* end duplication from linker.c */
t = h;
inh = NULL;
if (h->type == bfd_link_hash_indirect)
{
inh = h->u.i.link;
t = inh;
}
if (t->type == bfd_link_hash_defined)
{
asection *msec = t->u.def.section;
bfd_boolean special = FALSE;
if (bfd_is_abs_section (msec) && !bfd_is_abs_section (section))
{
t->u.def.section = section;
t->u.def.value = value;
special = TRUE;
}
else if (bfd_is_abs_section (section) && !bfd_is_abs_section (msec))
special = TRUE;
if (special)
{
if (info->notice_all
|| (info->notice_hash != NULL
&& bfd_hash_lookup (info->notice_hash, name,
FALSE, FALSE) != NULL))
{
if (!(*info->callbacks->notice) (info, h, inh,
abfd, section, value, flags))
return FALSE;
}
return TRUE;
}
}
}
/* If we didn't exit early, finish processing in the generic routine */
return _bfd_generic_link_add_one_symbol (info, abfd, name, flags, section,
value, string, copy, collect,
hashp);
}
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