From 22ddf9bcc545247e940cc0177a234362cb239457 Mon Sep 17 00:00:00 2001 From: Steve Chamberlain Date: Sat, 11 May 1991 02:22:13 +0000 Subject: Initial revision --- bfd/coffish.h | 601 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 601 insertions(+) create mode 100755 bfd/coffish.h (limited to 'bfd') diff --git a/bfd/coffish.h b/bfd/coffish.h new file mode 100755 index 0000000..77e40c8 --- /dev/null +++ b/bfd/coffish.h @@ -0,0 +1,601 @@ + +/* All the swapping routines: +*/ + + + +static void +DEFUN(swap_reloc_in,(abfd, reloc_src, reloc_dst), + bfd *abfd AND + RELOC *reloc_src AND + struct internal_reloc *reloc_dst) +{ + reloc_dst->r_vaddr = bfd_h_getlong(abfd, reloc_src->r_vaddr); + reloc_dst->r_symndx = bfd_h_getlong(abfd, reloc_src->r_symndx); + reloc_dst->r_type = bfd_h_getshort(abfd, reloc_src->r_type); +#if M88 + reloc_dst->r_offset = bfd_h_getshort(abfd, reloc_src->r_offset); +#endif +} + +static void +DEFUN(swap_reloc_out,(abfd, reloc_src, reloc_dst), + bfd *abfd AND + struct internal_reloc *reloc_src AND + struct external_reloc *reloc_dst) +{ + bfd_h_putlong(abfd, reloc_src->r_vaddr, reloc_dst->r_vaddr); + bfd_h_putlong(abfd, reloc_src->r_symndx, reloc_dst->r_symndx); + bfd_h_putshort(abfd, reloc_src->r_type, reloc_dst->r_type); +#if M88 + bfd_h_putshort(abfd, reloc_src->r_offset, reloc_dst->r_offset); +#endif + +} + +static void +DEFUN(swap_filehdr_in,(abfd, filehdr_src, filehdr_dst), + bfd *abfd AND + FILHDR *filehdr_src AND + struct internal_filehdr *filehdr_dst) +{ + filehdr_dst->f_magic = bfd_h_get_x(abfd, filehdr_src->f_magic); + filehdr_dst->f_nscns = bfd_h_get_x(abfd,filehdr_src-> f_nscns); + filehdr_dst->f_timdat = bfd_h_get_x(abfd,filehdr_src-> f_timdat); + filehdr_dst->f_symptr = bfd_h_get_x(abfd,filehdr_src-> f_symptr); + filehdr_dst->f_nsyms = bfd_h_get_x(abfd,filehdr_src-> f_nsyms); + filehdr_dst->f_opthdr = bfd_h_get_x(abfd,filehdr_src-> f_opthdr); + filehdr_dst->f_flags = bfd_h_get_x(abfd,filehdr_src-> f_flags); +} + +static void +DEFUN(swap_filehdr_out,(abfd, filehdr_in, filehdr_out), + bfd *abfd AND + struct internal_filehdr *filehdr_in AND + FILHDR *filehdr_out) +{ + bfd_h_put_x(abfd, filehdr_in->f_magic, filehdr_out->f_magic); + bfd_h_put_x(abfd, filehdr_in->f_nscns, filehdr_out->f_nscns); + bfd_h_put_x(abfd, filehdr_in->f_timdat, filehdr_out->f_timdat); + bfd_h_put_x(abfd, filehdr_in->f_symptr, filehdr_out->f_symptr); + bfd_h_put_x(abfd, filehdr_in->f_nsyms, filehdr_out->f_nsyms); + bfd_h_put_x(abfd, filehdr_in->f_opthdr, filehdr_out->f_opthdr); + bfd_h_put_x(abfd, filehdr_in->f_flags, filehdr_out->f_flags); +} + + +static void +DEFUN(bfd_coff_swap_sym_in,(abfd, ext, in), + bfd *abfd AND + SYMENT *ext AND + struct internal_syment *in) +{ + if( ext->e.e_name[0] == 0) { + in->_n._n_n._n_zeroes = 0; + in->_n._n_n._n_offset = bfd_h_getlong(abfd, ext->e.e.e_offset); + } + else { + memcpy(in->_n._n_name, ext->e.e_name, SYMNMLEN); + } + in->n_value = bfd_h_get_x(abfd, ext->e_value); + in->n_scnum = bfd_h_get_x(abfd, ext->e_scnum); + in->n_type = bfd_h_get_x(abfd, ext->e_type); + in->n_sclass = bfd_h_get_x(abfd, ext->e_sclass); + in->n_numaux = bfd_h_get_x(abfd, ext->e_numaux); +} + +static void +DEFUN(bfd_coff_swap_sym_out,(abfd,in, ext), + bfd *abfd AND + struct internal_syment *in AND + SYMENT *ext) +{ + if(in->_n._n_name[0] == 0) { + bfd_h_putlong(abfd, 0, ext->e.e.e_zeroes); + bfd_h_putlong(abfd, in->_n._n_n._n_offset, ext->e.e.e_offset); + } + else { + memcpy(ext->e.e_name, in->_n._n_name, SYMNMLEN); + } + bfd_h_put_x(abfd, in->n_value , ext->e_value); + bfd_h_put_x(abfd, in->n_scnum , ext->e_scnum); + bfd_h_put_x(abfd, in->n_type , ext->e_type); + bfd_h_put_x(abfd, in->n_sclass , ext->e_sclass); + bfd_h_put_x(abfd, in->n_numaux , ext->e_numaux); +} + +static void +DEFUN(bfd_coff_swap_aux_in,(abfd, ext, type, class, in), + bfd *abfd AND + AUXENT *ext AND + int type AND + int class AND + union internal_auxent *in) +{ + switch (class) { + case C_FILE: + if (ext->x_file.x_fname[0] == 0) { + in->x_file.x_n.x_zeroes = 0; + in->x_file.x_n.x_offset = bfd_h_getlong(abfd, ext->x_file.x_n.x_offset); + } + + break; + case C_STAT: +#ifdef C_LEAFSTAT + case C_LEAFSTAT: +#endif + case C_HIDDEN: + if (type == T_NULL) { + in->x_scn.x_scnlen = bfd_h_get_x(abfd, ext->x_scn.x_scnlen); + in->x_scn.x_nreloc = bfd_h_get_x(abfd, ext->x_scn.x_nreloc); + in->x_scn.x_nlinno = bfd_h_get_x(abfd, ext->x_scn.x_nlinno); + break; + } + default: + in->x_sym.x_tagndx = bfd_h_get_x(abfd, ext->x_sym.x_tagndx); + in->x_sym.x_tvndx = bfd_h_get_x(abfd, ext->x_sym.x_tvndx); + + if (ISARY(type) || class == C_BLOCK) { + in->x_sym.x_fcnary.x_ary.x_dimen[0] = bfd_h_get_x(abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[0]); + in->x_sym.x_fcnary.x_ary.x_dimen[1] = bfd_h_get_x(abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[1]); + in->x_sym.x_fcnary.x_ary.x_dimen[2] = bfd_h_get_x(abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[2]); + in->x_sym.x_fcnary.x_ary.x_dimen[3] = bfd_h_get_x(abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[3]); + } + else { + in->x_sym.x_fcnary.x_fcn.x_lnnoptr = bfd_h_get_x(abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); + in->x_sym.x_fcnary.x_fcn.x_endndx = bfd_h_get_x(abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx); + } + if (ISFCN(type)) { + in->x_sym.x_misc.x_fsize = bfd_h_get_x(abfd, ext->x_sym.x_misc.x_fsize); + } + else { + in->x_sym.x_misc.x_lnsz.x_lnno = bfd_h_get_x(abfd, ext->x_sym.x_misc.x_lnsz.x_lnno); + in->x_sym.x_misc.x_lnsz.x_size = bfd_h_get_x(abfd, ext->x_sym.x_misc.x_lnsz.x_size); + } + } +} + +static void +DEFUN(bfd_coff_swap_aux_out,(abfd, in, type, class, ext), + bfd *abfd AND + union internal_auxent *in AND + int type AND + int class AND + AUXENT *ext) +{ + switch (class) { + case C_FILE: + if (in->x_file.x_fname[0] == 0) { + bfd_h_put_x(abfd, 0, ext->x_file.x_n.x_zeroes ); + bfd_h_put_x(abfd, in->x_file.x_n.x_offset, ext->x_file.x_n.x_offset); + } + + break; + case C_STAT: +#ifdef C_LEAFSTAT + case C_LEAFSTAT: +#endif + case C_HIDDEN: + if (type == T_NULL) { + bfd_h_put_x(abfd, in->x_scn.x_scnlen, ext->x_scn.x_scnlen); + bfd_h_put_x(abfd, in->x_scn.x_nreloc, ext->x_scn.x_nreloc); + bfd_h_put_x(abfd, in->x_scn.x_nlinno, ext->x_scn.x_nlinno); + break; + } + default: + bfd_h_put_x(abfd, in->x_sym.x_tagndx, ext->x_sym.x_tagndx); + bfd_h_put_x(abfd, in->x_sym.x_tvndx , ext->x_sym.x_tvndx); + + if (ISARY(type) || class == C_BLOCK) { + bfd_h_put_x(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0],ext->x_sym.x_fcnary.x_ary.x_dimen[0]); + bfd_h_put_x(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1],ext->x_sym.x_fcnary.x_ary.x_dimen[1]); + bfd_h_put_x(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2],ext->x_sym.x_fcnary.x_ary.x_dimen[2]); + bfd_h_put_x(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3],ext->x_sym.x_fcnary.x_ary.x_dimen[3]); + } + else { + bfd_h_put_x(abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); + bfd_h_put_x(abfd, in->x_sym.x_fcnary.x_fcn.x_endndx, ext->x_sym.x_fcnary.x_fcn.x_endndx); + } + if (ISFCN(type)) { + bfd_h_put_x(abfd, in->x_sym.x_misc.x_fsize, ext->x_sym.x_misc.x_fsize); + } + else { + bfd_h_put_x(abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext->x_sym.x_misc.x_lnsz.x_lnno); + bfd_h_put_x(abfd, in->x_sym.x_misc.x_lnsz.x_size, ext->x_sym.x_misc.x_lnsz.x_size); + } + } +} + +static void +DEFUN(bfd_coff_swap_lineno_in,(abfd, ext, in), + bfd *abfd AND + LINENO *ext AND + struct internal_lineno *in) +{ + in->l_addr.l_symndx = bfd_h_get_x(abfd, ext->l_addr.l_symndx); + in->l_lnno = bfd_h_get_x(abfd, ext->l_lnno); +} + +static void +DEFUN(bfd_coff_swap_lineno_out,(abfd, in, ext), + bfd *abfd AND + struct internal_lineno *in AND + struct external_lineno *ext) +{ + bfd_h_put_x(abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx); + bfd_h_put_x(abfd, in->l_lnno, ext->l_lnno); +} + + + + +static void +DEFUN(swap_aouthdr_in,(abfd, aouthdr_ext, aouthdr_int), + bfd *abfd AND + AOUTHDR *aouthdr_ext AND + struct internal_aouthdr *aouthdr_int) +{ + aouthdr_int->magic = bfd_h_get_x(abfd, aouthdr_ext->magic); + aouthdr_int->vstamp = bfd_h_get_x(abfd, aouthdr_ext->vstamp); + aouthdr_int->tsize = bfd_h_get_x(abfd, aouthdr_ext->tsize); + aouthdr_int->dsize = bfd_h_get_x(abfd, aouthdr_ext->dsize); + aouthdr_int->bsize = bfd_h_get_x(abfd, aouthdr_ext->bsize); + aouthdr_int->entry = bfd_h_get_x(abfd, aouthdr_ext->entry); + aouthdr_int->text_start = bfd_h_get_x(abfd, aouthdr_ext->text_start); + aouthdr_int->data_start = bfd_h_get_x(abfd, aouthdr_ext->data_start); +#ifdef I960 + aouthdr_int->tagentries = bfd_h_get_x(abfd, aouthdr_ext->tagentries); +#endif +} + +static void +DEFUN(swap_aouthdr_out,(abfd, aouthdr_in, aouthdr_out), + bfd *abfd AND + struct internal_aouthdr *aouthdr_in AND + AOUTHDR *aouthdr_out) +{ + bfd_h_put_x(abfd, aouthdr_in->magic, aouthdr_out->magic); + bfd_h_put_x(abfd, aouthdr_in->vstamp, aouthdr_out->vstamp); + bfd_h_put_x(abfd, aouthdr_in->tsize, aouthdr_out->tsize); + bfd_h_put_x(abfd, aouthdr_in->dsize, aouthdr_out->dsize); + bfd_h_put_x(abfd, aouthdr_in->bsize, aouthdr_out->bsize); + bfd_h_put_x(abfd, aouthdr_in->entry, aouthdr_out->entry); + bfd_h_put_x(abfd, aouthdr_in->text_start, aouthdr_out->text_start); + bfd_h_put_x(abfd, aouthdr_in->data_start, aouthdr_out->data_start); +#ifdef I960 + bfd_h_put_x(abfd, aouthdr_in->tagentries, aouthdr_out->tagentries); +#endif +} + +static void +DEFUN(swap_scnhdr_in,(abfd, scnhdr_ext, scnhdr_int), + bfd *abfd AND + SCNHDR *scnhdr_ext AND + struct internal_scnhdr *scnhdr_int) +{ + memcpy(scnhdr_int->s_name, scnhdr_ext->s_name, sizeof(scnhdr_int->s_name)); + scnhdr_int->s_vaddr = bfd_h_get_x(abfd, scnhdr_ext->s_vaddr); + scnhdr_int->s_paddr = bfd_h_get_x(abfd, scnhdr_ext->s_paddr); + scnhdr_int->s_size = bfd_h_get_x(abfd, scnhdr_ext->s_size); + scnhdr_int->s_scnptr = bfd_h_get_x(abfd, scnhdr_ext->s_scnptr); + scnhdr_int->s_relptr = bfd_h_get_x(abfd, scnhdr_ext->s_relptr); + scnhdr_int->s_lnnoptr = bfd_h_get_x(abfd, scnhdr_ext->s_lnnoptr); + scnhdr_int->s_nreloc = bfd_h_get_x(abfd, scnhdr_ext->s_nreloc); + scnhdr_int->s_nlnno = bfd_h_get_x(abfd, scnhdr_ext->s_nlnno); + scnhdr_int->s_flags = bfd_h_get_x(abfd, scnhdr_ext->s_flags); +#ifdef I960 + scnhdr_int->s_align = bfd_h_get_x(abfd, scnhdr_ext->s_align); +#endif +} + +static void +DEFUN(swap_scnhdr_out,(abfd, scnhdr_int, scnhdr_ext), + bfd *abfd AND + struct internal_scnhdr *scnhdr_int AND + SCNHDR *scnhdr_ext) +{ + memcpy(scnhdr_ext->s_name, scnhdr_int->s_name, sizeof(scnhdr_int->s_name)); + bfd_h_put_x(abfd, scnhdr_int->s_vaddr, scnhdr_ext->s_vaddr); + bfd_h_put_x(abfd, scnhdr_int->s_paddr, scnhdr_ext->s_paddr); + bfd_h_put_x(abfd, scnhdr_int->s_size, scnhdr_ext->s_size); + bfd_h_put_x(abfd, scnhdr_int->s_scnptr, scnhdr_ext->s_scnptr); + bfd_h_put_x(abfd, scnhdr_int->s_relptr, scnhdr_ext->s_relptr); + bfd_h_put_x(abfd, scnhdr_int->s_lnnoptr, scnhdr_ext->s_lnnoptr); + bfd_h_put_x(abfd, scnhdr_int->s_nreloc, scnhdr_ext->s_nreloc); + bfd_h_put_x(abfd, scnhdr_int->s_nlnno, scnhdr_ext->s_nlnno); + bfd_h_put_x(abfd, scnhdr_int->s_flags, scnhdr_ext->s_flags); +#ifdef I960 + bfd_h_put_x(abfd, scnhdr_int->s_align, scnhdr_ext->s_align); +#endif +} + +/* + initialize a section structure with information peculiar to this + particular implementation of coff +*/ + +static boolean +DEFUN(coff_new_section_hook,(abfd_ignore, section_ignore), + bfd *abfd_ignore AND + asection *section_ignore) +{ +#ifdef MC88MAGIC + /* FIXME, shouldn't this ifdef be on something that says we are + actually COMPILING FOR an 88K coff file, rather than simply + knowing its magic number? */ + /* Align to at least 16 bytes */ + section_ignore->alignment_power = 4; +#endif +#if M68 + section_ignore->alignment_power = 3; +#endif + return true; +} + +/* Take a section header read from a coff file (in HOST byte order), + and make a BFD "section" out of it. */ +static boolean +DEFUN(make_a_section_from_file,(abfd, hdr), + bfd *abfd AND + struct internal_scnhdr *hdr) +{ + asection *return_section; + + { + /* Assorted wastage to null-terminate the name, thanks AT&T! */ + char *name = bfd_alloc(abfd, sizeof (hdr->s_name)+1); + if (name == NULL) { + bfd_error = no_memory; + return false; + } + strncpy(name, (char *) &hdr->s_name[0], sizeof (hdr->s_name)); + name[sizeof (hdr->s_name)] = 0; + + return_section = bfd_make_section(abfd, name); + } + + /* s_paddr is presumed to be = to s_vaddr */ +#define assign(to, from) return_section->to = hdr->from + assign(vma, s_vaddr); + /* assign (vma, s_vaddr); */ + assign(size, s_size); + assign(filepos, s_scnptr); + assign(rel_filepos, s_relptr); + assign(reloc_count, s_nreloc); +#ifdef I960 + { + /* FIXME, use a temp var rather than alignment_power */ + assign(alignment_power, s_align); + { + unsigned int i; + for (i = 0; i < 32; i++) { + if ((1 << i) >= (int) (return_section->alignment_power)) { + return_section->alignment_power = i; + break; + } + } + } + } +#endif + assign(line_filepos, s_lnnoptr); + /* + return_section->linesize = hdr->s_nlnno * sizeof (struct lineno); + */ + +#undef assign + return_section->lineno_count = hdr->s_nlnno; + return_section->userdata = NULL; + return_section->next = (asection *) NULL; + if ((hdr->s_flags & STYP_TEXT) || (hdr->s_flags & STYP_DATA)) + return_section->flags = (SEC_LOAD | SEC_ALLOC); + else if (hdr->s_flags & STYP_BSS) + return_section->flags = SEC_ALLOC; + + if (hdr->s_nreloc != 0) + return_section->flags |= SEC_RELOC; + if (hdr->s_scnptr != 0) + return_section->flags |= SEC_HAS_CONTENTS; + return true; +} +static boolean +DEFUN(coff_mkobject,(abfd), + bfd *abfd) +{ + set_tdata (abfd, bfd_zalloc (abfd,sizeof(coff_data_type))); + if (coff_data(abfd) == 0) { + bfd_error = no_memory; + return false; + } + coff_data(abfd)->relocbase = 0; + return true; +} + +static +bfd_target * +DEFUN(coff_real_object_p,(abfd, nscns, internal_f, internal_a), + bfd *abfd AND + unsigned nscns AND + struct internal_filehdr *internal_f AND + struct internal_aouthdr *internal_a) +{ + coff_data_type *coff; + + size_t readsize; /* length of file_info */ + SCNHDR *external_sections; + + /* Build a play area */ + if (coff_mkobject(abfd) != true) + return 0; + coff = coff_data(abfd); + + + external_sections = (SCNHDR *)bfd_alloc(abfd, readsize = (nscns * SCNHSZ)); + if (bfd_read((PTR)external_sections, 1, readsize, abfd) != readsize) { + goto fail; + } + + + + /* Now copy data as required; construct all asections etc */ + coff->symbol_index_slew = 0; + coff->relocbase =0; + coff->raw_syment_count = 0; + coff->raw_linenos = 0; + coff->raw_syments = 0; + coff->sym_filepos =0; + coff->flags = internal_f->f_flags; + if (nscns != 0) { + unsigned int i; + for (i = 0; i < nscns; i++) { + struct internal_scnhdr tmp; + swap_scnhdr_in(abfd, external_sections + i, &tmp); + make_a_section_from_file(abfd,&tmp); + } + } + /* Determine the machine architecture and type. */ + abfd->obj_machine = 0; + switch (internal_f->f_magic) { +#ifdef MIPS +#ifdef MIPSEBMAGIC + case SMIPSEBMAGIC: + case SMIPSELMAGIC: + case MIPSEBUMAGIC: + case MIPSELUMAGIC: + case MIPSEBMAGIC: + case MIPSELMAGIC: + abfd->obj_arch = bfd_arch_mips; + abfd->obj_machine = 0; + break; +#endif +#endif +#ifdef MC68MAGIC + case MC68MAGIC: + case M68MAGIC: + abfd->obj_arch = bfd_arch_m68k; + abfd->obj_machine = 68020; + break; +#endif +#ifdef MC88MAGIC + case MC88MAGIC: + case MC88DMAGIC: + case MC88OMAGIC: + abfd->obj_arch = bfd_arch_m88k; + abfd->obj_machine = 88100; + break; +#endif +#ifdef I960 +#ifdef I960ROMAGIC + case I960ROMAGIC: + case I960RWMAGIC: + abfd->obj_arch = bfd_arch_i960; + switch (F_I960TYPE & internal_f->f_flags) + { + default: + case F_I960CORE: + abfd->obj_machine = bfd_mach_i960_core; + break; + case F_I960KB: + abfd->obj_machine = bfd_mach_i960_kb_sb; + break; + case F_I960MC: + abfd->obj_machine = bfd_mach_i960_mc; + break; + case F_I960XA: + abfd->obj_machine = bfd_mach_i960_xa; + break; + case F_I960CA: + abfd->obj_machine = bfd_mach_i960_ca; + break; + case F_I960KA: + abfd->obj_machine = bfd_mach_i960_ka_sa; + break; + + } + break; +#endif +#endif + + default: /* Unreadable input file type */ + abfd->obj_arch = bfd_arch_obscure; + break; + } + + if (!(internal_f->f_flags & F_RELFLG)) + abfd->flags |= HAS_RELOC; + if ((internal_f->f_flags & F_EXEC)) + abfd->flags |= EXEC_P; + if (!(internal_f->f_flags & F_LNNO)) + abfd->flags |= HAS_LINENO; + if (!(internal_f->f_flags & F_LSYMS)) + abfd->flags |= HAS_LOCALS; + + + bfd_get_symcount(abfd) = internal_f->f_nsyms; + if (internal_f->f_nsyms) + abfd->flags |= HAS_SYMS; + + coff->sym_filepos = internal_f->f_symptr; + + + + coff->symbols = (coff_symbol_type *) NULL; + bfd_get_start_address(abfd) = internal_f->f_opthdr ? internal_a->entry : 0; + + return abfd->xvec; + fail: + bfd_release(abfd, coff); + return (bfd_target *)NULL; +} + +static bfd_target * +DEFUN(coff_object_p,(abfd), + bfd *abfd) + { + int nscns; + FILHDR filehdr; + AOUTHDR opthdr; + struct internal_filehdr internal_f; + struct internal_aouthdr internal_a; + + bfd_error = system_call_error; + + /* figure out how much to read */ + if (bfd_read((PTR) &filehdr, 1, FILHSZ, abfd) != FILHSZ) + return 0; + + swap_filehdr_in(abfd, &filehdr, &internal_f); + + if (BADMAG(internal_f)) { + bfd_error = wrong_format; + return 0; + } + nscns =internal_f.f_nscns; + + if (internal_f.f_opthdr) { + if (bfd_read((PTR) &opthdr, 1,AOUTSZ, abfd) != AOUTSZ) { + return 0; + } + swap_aouthdr_in(abfd, &opthdr, &internal_a); + } + + /* Seek past the opt hdr stuff */ + bfd_seek(abfd, internal_f.f_opthdr + FILHSZ, SEEK_SET); + + /* if the optional header is NULL or not the correct size then + quit; the only difference I can see between m88k dgux headers (MC88DMAGIC) + and Intel 960 readwrite headers (I960WRMAGIC) is that the + optional header is of a different size. + + But the mips keeps extra stuff in it's opthdr, so dont check + when doing that + */ + +#ifndef MIPS + if (internal_f.f_opthdr != 0 && AOUTSZ != internal_f.f_opthdr) + return (bfd_target *)NULL; +#endif + + return coff_real_object_p(abfd, nscns, &internal_f, &internal_a); + } + + -- cgit v1.1