136 lines
4.0 KiB
C
136 lines
4.0 KiB
C
/* BFD back-end for Apple M68K COFF A/UX 3.x files.
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Copyright 1996, 1997 Free Software Foundation, Inc.
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Written by Richard Henderson <rth@tamu.edu>.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#define TARGET_SYM m68kaux_coff_vec
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#define TARGET_NAME "coff-m68k-aux"
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#ifndef TARG_AUX
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#define TARG_AUX
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#endif
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#define COFF_LONG_FILENAMES
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/* 4k pages */
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#define COFF_PAGE_SIZE 0x1000
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/* On AUX, a STYP_NOLOAD|STYP_BSS section is part of a shared library. */
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#define BSS_NOLOAD_IS_SHARED_LIBRARY
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#define STATIC_RELOCS
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#define COFF_COMMON_ADDEND
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#include "bfd.h"
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#include "sysdep.h"
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static boolean coff_m68k_aux_link_add_one_symbol
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PARAMS ((struct bfd_link_info *, bfd *, const char *, flagword,
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asection *, bfd_vma, const char *, boolean, boolean,
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struct bfd_link_hash_entry **));
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#define coff_link_add_one_symbol coff_m68k_aux_link_add_one_symbol
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#include "coff/aux-coff.h" /* override coff/internal.h and coff/m68k.h */
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#include "coff-m68k.c"
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/* We need non-absolute symbols to override absolute symbols. This
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mirrors Apple's "solution" to let a static library symbol override
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a shared library symbol. On the whole not a good thing, given how
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shared libraries work here, but can work if you are careful with
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what you include in the shared object. */
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static boolean
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coff_m68k_aux_link_add_one_symbol (info, abfd, name, flags, section, value,
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string, copy, collect, hashp)
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struct bfd_link_info *info;
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bfd *abfd;
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const char *name;
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flagword flags;
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asection *section;
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bfd_vma value;
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const char *string;
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boolean copy;
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boolean collect;
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struct bfd_link_hash_entry **hashp;
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{
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struct bfd_link_hash_entry *h;
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if ((flags & (BSF_WARNING | BSF_CONSTRUCTOR | BSF_WEAK)) == 0 &&
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!bfd_is_und_section (section) &&
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!bfd_is_com_section (section))
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{
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/* The new symbol is a definition or an indirect definition */
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/* This bit copied from linker.c */
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if (hashp != NULL && *hashp != NULL)
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{
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h = *hashp;
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BFD_ASSERT (strcmp (h->root.string, name) == 0);
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}
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else
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{
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h = bfd_link_hash_lookup (info->hash, name, true, copy, false);
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if (h == NULL)
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{
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if (hashp != NULL)
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*hashp = NULL;
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return false;
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}
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}
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if (info->notice_hash != (struct bfd_hash_table *) NULL
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&& (bfd_hash_lookup (info->notice_hash, name, false, false)
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!= (struct bfd_hash_entry *) NULL))
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{
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if (! (*info->callbacks->notice) (info, name, abfd, section, value))
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return false;
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}
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if (hashp != (struct bfd_link_hash_entry **) NULL)
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*hashp = h;
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/* end duplication from linker.c */
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if (h->type == bfd_link_hash_defined
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|| h->type == bfd_link_hash_indirect)
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{
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asection *msec;
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if (h->type == bfd_link_hash_defined)
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msec = h->u.def.section;
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else
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msec = bfd_ind_section_ptr;
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if (bfd_is_abs_section (msec) && !bfd_is_abs_section (section))
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{
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h->u.def.section = section;
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h->u.def.value = value;
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return true;
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}
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else if (bfd_is_abs_section (section) && !bfd_is_abs_section (msec))
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return true;
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}
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}
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/* If we didn't exit early, finish processing in the generic routine */
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return _bfd_generic_link_add_one_symbol (info, abfd, name, flags, section,
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value, string, copy, collect,
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hashp);
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}
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