diff options
Diffstat (limited to 'bfd/coff-aux.c')
| -rw-r--r-- | bfd/coff-aux.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/bfd/coff-aux.c b/bfd/coff-aux.c new file mode 100644 index 0000000..d95b98b --- /dev/null +++ b/bfd/coff-aux.c @@ -0,0 +1,145 @@ +/* BFD back-end for Apple M68K COFF A/UX 3.x files. + Copyright (C) 1996-2014 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); +} |