diff options
| -rw-r--r-- | bfd/coffcode.h | 2623 | ||||
| -rw-r--r-- | bfd/libbfd.c | 4 |
2 files changed, 2625 insertions, 2 deletions
diff --git a/bfd/coffcode.h b/bfd/coffcode.h new file mode 100644 index 0000000..ba8da4d --- /dev/null +++ b/bfd/coffcode.h @@ -0,0 +1,2623 @@ +/* Support for Intel 960 COFF and Motorola 88k BCS COFF (and maybe others) */ + +/* Copyright (C) 1990, 1991 Free Software Foundation, Inc. + +This file is part of BFD, the Binary File Diddler. + +BFD 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 1, or (at your option) any later version. + +BFD 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 + BFD; see the file COPYING. If not, write to the Free Software Foundation, + 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +/* $Id$ */ +/* Most of this hacked by Steve Chamberlain, steve@cygnus.com */ + +#include "archures.h" /* Machine architectures and types */ + +/* SUPPRESS 558 */ +/* SUPPRESS 590 */ +/* SUPPRESS 529 */ +/* SUPPRESS 530 */ + +/* Align an address upward to a boundary, expressed as a number of bytes. + E.g. align to an 8-byte boundary with argument of 8. */ +#define ALIGN(this, boundary) \ + ((( (this) + ((boundary) -1)) & (~((boundary)-1)))) + +/* Align an address upward to a power of two. Argument is the power + of two, e.g. 8-byte alignment uses argument of 3 (8 == 2^3). */ +#define i960_align(addr, align) \ + ( ((addr) + ((1<<(align))-1)) & (-1 << (align))) + +#define sp(x) bfd_h_put_x(abfd, x, &x) + +#define PUTWORD bfd_h_put_32 +#define PUTHALF bfd_h_put_16 +#ifndef I960 +#define GDB_EXPORT static +#else +#define GDB_EXPORT /* nothing */ +#endif + +PROTO(static void,force_indices_file_symbol_relative,(bfd *abfd, + struct internal_syment *symtab)); + + +/* void warning(); */ +extern asection abs_section; + +static int +DEFUN(get_index,(symbol), + asymbol *symbol) +{ + return (int) symbol->value; +} + +static void +DEFUN(set_index,(symbol, idx), + asymbol *symbol AND + unsigned int idx) +{ + symbol->value = idx; +} + + + + + +/* All the swapping routines: +*/ + + +GDB_EXPORT +void +DEFUN(bfd_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_get_32(abfd, reloc_src->r_vaddr); + reloc_dst->r_symndx = bfd_h_get_32(abfd, reloc_src->r_symndx); + reloc_dst->r_type = bfd_h_get_16(abfd, reloc_src->r_type); +#if M88 + reloc_dst->r_offset = bfd_h_get_16(abfd, reloc_src->r_offset); +#endif +} + +GDB_EXPORT + void +DEFUN(bfd_swap_reloc_out,(abfd, reloc_src, reloc_dst), + bfd *abfd AND + struct internal_reloc *reloc_src AND + struct external_reloc *reloc_dst) +{ + bfd_h_put_32(abfd, reloc_src->r_vaddr, reloc_dst->r_vaddr); + bfd_h_put_32(abfd, reloc_src->r_symndx, reloc_dst->r_symndx); + bfd_h_put_16(abfd, reloc_src->r_type, reloc_dst->r_type); +#if M88 + bfd_h_put_16(abfd, reloc_src->r_offset, reloc_dst->r_offset); +#endif + +} + +GDB_EXPORT void +DEFUN(bfd_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_16(abfd, filehdr_src->f_magic); + filehdr_dst->f_nscns = bfd_h_get_16(abfd,filehdr_src-> f_nscns); + filehdr_dst->f_timdat = bfd_h_get_32(abfd,filehdr_src-> f_timdat); + filehdr_dst->f_symptr = bfd_h_get_32(abfd,filehdr_src-> f_symptr); + filehdr_dst->f_nsyms = bfd_h_get_32(abfd,filehdr_src-> f_nsyms); + filehdr_dst->f_opthdr = bfd_h_get_16(abfd,filehdr_src-> f_opthdr); + filehdr_dst->f_flags = bfd_h_get_16(abfd,filehdr_src-> f_flags); +} + +GDB_EXPORT void +DEFUN(bfd_swap_filehdr_out,(abfd, filehdr_in, filehdr_out), + bfd *abfd AND + struct internal_filehdr *filehdr_in AND + FILHDR *filehdr_out) +{ + bfd_h_put_16(abfd, filehdr_in->f_magic, filehdr_out->f_magic); + bfd_h_put_16(abfd, filehdr_in->f_nscns, filehdr_out->f_nscns); + bfd_h_put_32(abfd, filehdr_in->f_timdat, filehdr_out->f_timdat); + bfd_h_put_32(abfd, filehdr_in->f_symptr, filehdr_out->f_symptr); + bfd_h_put_32(abfd, filehdr_in->f_nsyms, filehdr_out->f_nsyms); + bfd_h_put_16(abfd, filehdr_in->f_opthdr, filehdr_out->f_opthdr); + bfd_h_put_16(abfd, filehdr_in->f_flags, filehdr_out->f_flags); +} + + +GDB_EXPORT +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_get_32(abfd, ext->e.e.e_offset); + } + else { + memcpy(in->_n._n_name, ext->e.e_name, SYMNMLEN); + } + in->n_value = bfd_h_get_32(abfd, ext->e_value); + in->n_scnum = bfd_h_get_16(abfd, ext->e_scnum); + if (sizeof(ext->e_type) == 2){ + in->n_type = bfd_h_get_16(abfd, ext->e_type); + } + else { + in->n_type = bfd_h_get_32(abfd, ext->e_type); + } + in->n_sclass = bfd_h_get_8(abfd, ext->e_sclass); + in->n_numaux = bfd_h_get_8(abfd, ext->e_numaux); +} + +GDB_EXPORT 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_put_32(abfd, 0, ext->e.e.e_zeroes); + bfd_h_put_32(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_32(abfd, in->n_value , ext->e_value); + bfd_h_put_16(abfd, in->n_scnum , ext->e_scnum); + if (sizeof(ext->e_type) == 2) + { + bfd_h_put_16(abfd, in->n_type , ext->e_type); + } + else + { + bfd_h_put_32(abfd, in->n_type , ext->e_type); + } + bfd_h_put_8(abfd, in->n_sclass , ext->e_sclass); + bfd_h_put_8(abfd, in->n_numaux , ext->e_numaux); +} + +GDB_EXPORT 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_get_32(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_32(abfd, ext->x_scn.x_scnlen); + in->x_scn.x_nreloc = bfd_h_get_16(abfd, ext->x_scn.x_nreloc); + in->x_scn.x_nlinno = bfd_h_get_16(abfd, ext->x_scn.x_nlinno); + break; + } + default: + in->x_sym.x_tagndx = bfd_h_get_32(abfd, ext->x_sym.x_tagndx); + in->x_sym.x_tvndx = bfd_h_get_16(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_16(abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[0]); + in->x_sym.x_fcnary.x_ary.x_dimen[1] = bfd_h_get_16(abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[1]); + in->x_sym.x_fcnary.x_ary.x_dimen[2] = bfd_h_get_16(abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[2]); + in->x_sym.x_fcnary.x_ary.x_dimen[3] = bfd_h_get_16(abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[3]); + } + else { + in->x_sym.x_fcnary.x_fcn.x_lnnoptr = bfd_h_get_32(abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); + in->x_sym.x_fcnary.x_fcn.x_endndx = bfd_h_get_32(abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx); + } + if (ISFCN(type)) { + in->x_sym.x_misc.x_fsize = bfd_h_get_32(abfd, ext->x_sym.x_misc.x_fsize); + } + else { + in->x_sym.x_misc.x_lnsz.x_lnno = bfd_h_get_16(abfd, ext->x_sym.x_misc.x_lnsz.x_lnno); + in->x_sym.x_misc.x_lnsz.x_size = bfd_h_get_16(abfd, ext->x_sym.x_misc.x_lnsz.x_size); + } + } +} + +GDB_EXPORT 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) { + PUTWORD(abfd, 0, ext->x_file.x_n.x_zeroes ); + PUTWORD(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) { + PUTWORD(abfd, in->x_scn.x_scnlen, ext->x_scn.x_scnlen); + PUTWORD(abfd, in->x_scn.x_nreloc, ext->x_scn.x_nreloc); + PUTWORD(abfd, in->x_scn.x_nlinno, ext->x_scn.x_nlinno); + break; + } + default: + PUTWORD(abfd, in->x_sym.x_tagndx, ext->x_sym.x_tagndx); + PUTWORD(abfd, in->x_sym.x_tvndx , ext->x_sym.x_tvndx); + + if (ISARY(type) || class == C_BLOCK) { + bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0],ext->x_sym.x_fcnary.x_ary.x_dimen[0]); + bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1],ext->x_sym.x_fcnary.x_ary.x_dimen[1]); + bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2],ext->x_sym.x_fcnary.x_ary.x_dimen[2]); + bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3],ext->x_sym.x_fcnary.x_ary.x_dimen[3]); + } + else { + PUTWORD(abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); + PUTWORD(abfd, in->x_sym.x_fcnary.x_fcn.x_endndx, ext->x_sym.x_fcnary.x_fcn.x_endndx); + } + if (ISFCN(type)) { + PUTWORD(abfd, in->x_sym.x_misc.x_fsize, ext->x_sym.x_misc.x_fsize); + } + else { + bfd_h_put_16(abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext->x_sym.x_misc.x_lnsz.x_lnno); + bfd_h_put_16(abfd, in->x_sym.x_misc.x_lnsz.x_size, ext->x_sym.x_misc.x_lnsz.x_size); + } + } +} + +GDB_EXPORT 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_32(abfd, ext->l_addr.l_symndx); + in->l_lnno = bfd_h_get_16(abfd, ext->l_lnno); +} + +GDB_EXPORT void +DEFUN(bfd_coff_swap_lineno_out,(abfd, in, ext), + bfd *abfd AND + struct internal_lineno *in AND + struct external_lineno *ext) +{ + PUTWORD(abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx); + PUTHALF(abfd, in->l_lnno, ext->l_lnno); +} + + + + +GDB_EXPORT void +DEFUN(bfd_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_16(abfd, aouthdr_ext->magic); + aouthdr_int->vstamp = bfd_h_get_16(abfd, aouthdr_ext->vstamp); + aouthdr_int->tsize = bfd_h_get_32(abfd, aouthdr_ext->tsize); + aouthdr_int->dsize = bfd_h_get_32(abfd, aouthdr_ext->dsize); + aouthdr_int->bsize = bfd_h_get_32(abfd, aouthdr_ext->bsize); + aouthdr_int->entry = bfd_h_get_32(abfd, aouthdr_ext->entry); + aouthdr_int->text_start = bfd_h_get_32(abfd, aouthdr_ext->text_start); + aouthdr_int->data_start = bfd_h_get_32(abfd, aouthdr_ext->data_start); +#ifdef I960 + aouthdr_int->tagentries = bfd_h_get_32(abfd, aouthdr_ext->tagentries); +#endif +} + +GDB_EXPORT void +DEFUN(bfd_swap_aouthdr_out,(abfd, aouthdr_in, aouthdr_out), + bfd *abfd AND + struct internal_aouthdr *aouthdr_in AND + AOUTHDR *aouthdr_out) +{ + bfd_h_put_16(abfd, aouthdr_in->magic, aouthdr_out->magic); + bfd_h_put_16(abfd, aouthdr_in->vstamp, aouthdr_out->vstamp); + bfd_h_put_32(abfd, aouthdr_in->tsize, aouthdr_out->tsize); + bfd_h_put_32(abfd, aouthdr_in->dsize, aouthdr_out->dsize); + bfd_h_put_32(abfd, aouthdr_in->bsize, aouthdr_out->bsize); + bfd_h_put_32(abfd, aouthdr_in->entry, aouthdr_out->entry); + bfd_h_put_32(abfd, aouthdr_in->text_start, aouthdr_out->text_start); + bfd_h_put_32(abfd, aouthdr_in->data_start, aouthdr_out->data_start); +#ifdef I960 + bfd_h_put_32(abfd, aouthdr_in->tagentries, aouthdr_out->tagentries); +#endif +} + +GDB_EXPORT void +DEFUN(bfd_coff_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_32(abfd, scnhdr_ext->s_vaddr); + scnhdr_int->s_paddr = bfd_h_get_32(abfd, scnhdr_ext->s_paddr); + scnhdr_int->s_size = bfd_h_get_32(abfd, scnhdr_ext->s_size); + scnhdr_int->s_scnptr = bfd_h_get_32(abfd, scnhdr_ext->s_scnptr); + scnhdr_int->s_relptr = bfd_h_get_32(abfd, scnhdr_ext->s_relptr); + scnhdr_int->s_lnnoptr = bfd_h_get_32(abfd, scnhdr_ext->s_lnnoptr); + scnhdr_int->s_nreloc = bfd_h_get_16(abfd, scnhdr_ext->s_nreloc); + scnhdr_int->s_nlnno = bfd_h_get_16(abfd, scnhdr_ext->s_nlnno); + scnhdr_int->s_flags = bfd_h_get_32(abfd, scnhdr_ext->s_flags); +#ifdef I960 + scnhdr_int->s_align = bfd_h_get_32(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)); + PUTWORD(abfd, scnhdr_int->s_vaddr, scnhdr_ext->s_vaddr); + PUTWORD(abfd, scnhdr_int->s_paddr, scnhdr_ext->s_paddr); + PUTWORD(abfd, scnhdr_int->s_size, scnhdr_ext->s_size); + PUTWORD(abfd, scnhdr_int->s_scnptr, scnhdr_ext->s_scnptr); + PUTWORD(abfd, scnhdr_int->s_relptr, scnhdr_ext->s_relptr); + PUTWORD(abfd, scnhdr_int->s_lnnoptr, scnhdr_ext->s_lnnoptr); + PUTWORD(abfd, scnhdr_int->s_nreloc, scnhdr_ext->s_nreloc); + PUTHALF(abfd, scnhdr_int->s_nlnno, scnhdr_ext->s_nlnno); + PUTHALF(abfd, scnhdr_int->s_flags, scnhdr_ext->s_flags); +#ifdef I960 + PUTWORD(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; + return_section->flags = 0; + 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; + bfd_coff_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 +case MIPS_MAGIC_1: +case MIPS_MAGIC_2: +case MIPS_MAGIC_3: + abfd->obj_arch = bfd_arch_mips; + abfd->obj_machine = 0; + break; +#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; + + bfd_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; + } + bfd_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); + } + + + + +/* +Takes a bfd and a symbol, returns a pointer to the coff specific area +of the symbol if there is one. +*/ +static coff_symbol_type * +DEFUN(coff_symbol_from,(abfd, symbol), + bfd *abfd AND + asymbol *symbol) +{ + if (symbol->the_bfd->xvec->flavour != bfd_target_coff_flavour_enum) + return (coff_symbol_type *)NULL; + + if (symbol->the_bfd->tdata == (PTR)NULL) + return (coff_symbol_type *)NULL; + + return (coff_symbol_type *) symbol; +} + + + + + + + +static void +DEFUN(coff_count_linenumbers,(abfd), + bfd *abfd) +{ + unsigned int limit = bfd_get_symcount(abfd); + unsigned int i; + asymbol **p; + { + asection *s = abfd->sections->output_section; + while (s) { + BFD_ASSERT(s->lineno_count == 0); + s = s->next; + } + } + + + for (p = abfd->outsymbols, i = 0; i < limit; i++, p++) { + asymbol *q_maybe = *p; + if (q_maybe->the_bfd->xvec->flavour == bfd_target_coff_flavour_enum) { + coff_symbol_type *q = coffsymbol(q_maybe); + if (q->lineno) { + /* + This symbol has a linenumber, increment the owning + section's linenumber count + */ + alent *l = q->lineno; + q->symbol.section->output_section->lineno_count++; + l++; + while (l->line_number) { + q->symbol.section->output_section->lineno_count++; + l++; + } + } + } + } +} + +/* + This function returns true if the supplied SYMENT has an AUXENT with + a tagndx field which should be relocated. + + The coff book says that all auxents have this and should be moved, + but all the actual implementations I've looked at do this .. + (sac@cygnus.com) + +*/ +static boolean +DEFUN(uses_x_sym_x_tagndx_p,(abfd, native), + bfd *abfd AND + struct internal_syment *native) +{ + if (BTYPE(native->n_type) == T_STRUCT) return true; + if (BTYPE(native->n_type) == T_UNION) return true; + if (BTYPE(native->n_type) == T_ENUM) return true; + return false; +} + + +/* +This procedure runs through the native entries in a coff symbol table +and links up all the elements which should point to one another, in +particular these are: + +strtag, entag and untags have an auxent endindex which points to the +first syment after the .eos. This is simple to do, we just keep a +pointer to the symbol with the most recent pending strtag and patch it +when we see the eos. This works since coff structs are never nested. + +ISFCN type entries have an endindex which points to the next static or +extern in the table, thereby skipping the function contents. +The coff book says that an ISFCN's tagindex +points to the first .bf for the function, so far I havn't seen it +used. We do this using the same mechanism as strtags. + +Each file entry has a value which points to the next file entry, +the last file entry points to the first extern symbol in the table +which is not an ISFCN. + +Each .bb entry points to the matching .eb entry, but these are nested +so we keep a stack of them. + +The tagndx of .eos items points to the strtag attached to them, this +is simply the last_tagndx again. + +The tagndx of items with type strtag point to the defining struct. +This bit is complicated; We know that a struct ref and def must be +within the same file, so all the natives will be in the same vector. +This means that we can subtracts two pointers and get the index +differences between to items, used to work out the true index of the +target. + +We store in the name field of each syment the actual native index +applied so we can dig it out through a pointer. */ + +static void +DEFUN(coff_mangle_symbols,(bfd_ptr), + bfd *bfd_ptr) +{ + unsigned int symbol_count = bfd_get_symcount(bfd_ptr); + asymbol **symbol_ptr_ptr = bfd_ptr->outsymbols; + struct internal_syment *last_tagndx = (struct internal_syment *)NULL; + struct internal_syment *last_file = (struct internal_syment *)NULL; + struct internal_syment *last_fcn = (struct internal_syment *)NULL; + struct internal_syment *block_stack[50]; + struct internal_syment **last_block = &block_stack[0]; + boolean first_time = true; + unsigned int symbol_index; + unsigned int native_index = 0; + + for (symbol_index = 0; symbol_index < symbol_count; symbol_index++) { + coff_symbol_type *coff_symbol_ptr = + coff_symbol_from(bfd_ptr, symbol_ptr_ptr[symbol_index]); + if (coff_symbol_ptr == (coff_symbol_type *)NULL) { + /* + This symbol has no coff information in it, it will take up + only one slot in the output symbol table + */ + native_index++; + } + else { + struct internal_syment *syment = coff_symbol_ptr->native; + if (syment == (struct internal_syment *)NULL) { + native_index++; + } + else { + /* Normalize the symbol flags */ + if (coff_symbol_ptr->symbol.flags & BSF_FORT_COMM) { + /* a common symbol is undefined with a value */ + syment->n_scnum = N_UNDEF; + syment->n_value = coff_symbol_ptr->symbol.value; + } + else if (coff_symbol_ptr->symbol.flags & BSF_DEBUGGING) { + syment->n_value = coff_symbol_ptr->symbol.value; + } + else if (coff_symbol_ptr->symbol.flags & BSF_UNDEFINED) { + syment->n_scnum = N_UNDEF; + syment->n_value = 0; + } + else if (coff_symbol_ptr->symbol.flags & BSF_ABSOLUTE) { + syment->n_scnum = N_ABS; + syment->n_value = coff_symbol_ptr->symbol.value; + } + else { + syment->n_scnum = + coff_symbol_ptr->symbol.section->output_section->index+1; + + syment->n_value = + coff_symbol_ptr->symbol.value + + coff_symbol_ptr->symbol.section->output_offset + + coff_symbol_ptr->symbol.section->output_section->vma; + } + + + /* If this symbol ties up something then do it */ + + if (syment->n_sclass == C_FILE && last_file != (struct internal_syment *)NULL) + { + last_file->n_value = native_index; + } + else if ((syment->n_sclass == C_EXT + || syment->n_sclass == C_STAT +#ifdef C_LEAFEXT + || syment->n_sclass == C_LEAFEXT + || syment->n_sclass == C_LEAFSTAT +#endif + ) + && last_fcn != (struct internal_syment *)NULL) + { + union internal_auxent *auxent = (union internal_auxent *)(last_fcn+1); + auxent->x_sym.x_fcnary.x_fcn.x_endndx = native_index; + last_fcn = (struct internal_syment *)NULL; + + } + else if (syment->n_sclass == C_EOS && last_tagndx != (struct internal_syment*)NULL) + { + union internal_auxent *auxent = (union internal_auxent *)(last_tagndx+1); + /* Remember that we keep the native index in the offset + so patch the beginning of the struct to point to this + */ + auxent->x_sym.x_tagndx = last_tagndx->_n._n_n._n_offset; + auxent->x_sym.x_fcnary.x_fcn.x_endndx = syment->n_numaux + 1 + native_index; + /* Now point the eos to the structure */ + auxent = (union internal_auxent *)(syment+1); + auxent->x_sym.x_tagndx = last_tagndx->_n._n_n._n_offset; + } + else if (syment->n_sclass == C_BLOCK + && coff_symbol_ptr->symbol.name[1] == 'e') + { + union internal_auxent *auxent = (union internal_auxent *)((*(--last_block))+1); + auxent->x_sym.x_fcnary.x_fcn.x_endndx = native_index + syment->n_numaux + 1; + } + if (syment->n_sclass == C_EXT + && !ISFCN(syment->n_type) + && first_time == true + && last_file != (struct internal_syment *)NULL) { + /* This is the first external symbol seen which isn't a + function place it in the last .file entry */ + last_file->n_value = native_index; + first_time = false; + } +#ifdef C_LEAFPROC + if (syment->n_sclass == C_LEAFPROC && + syment->n_numaux == 2) { + union internal_auxent *auxent = (union internal_auxent *)(syment+2); + /* This is the definition of a leaf proc, we'll relocate the + address */ + auxent->x_bal.x_balntry = + coff_symbol_ptr->symbol.section->output_offset + + coff_symbol_ptr->symbol.section->output_section->vma + + auxent->x_bal.x_balntry ; + } +#endif + /* If this symbol needs to be tied up then remember some facts */ + if (syment->n_sclass == C_FILE) + { + last_file = syment; + } + if (syment->n_numaux != 0) { + /* + If this symbol would like to point to something in the + future then remember where it is + */ + if (uses_x_sym_x_tagndx_p(bfd_ptr, syment)) { + /* + If this is a ref to a structure then we'll tie it up + now - there are never any forward refs for one + */ + if (syment->n_sclass == C_STRTAG || + syment->n_sclass == C_ENTAG || + syment->n_sclass == C_UNTAG) { + last_tagndx = syment; + } + else { + /* + This is a ref to a structure - the structure must + have been defined within the same file, and previous + to this point, so we can deduce the new tagndx + directly. + */ + union internal_auxent *auxent = (union internal_auxent *)(syment+1); + bfd *bfd_ptr = coff_symbol_ptr->symbol.the_bfd; + struct internal_syment *base = obj_raw_syments(bfd_ptr); + auxent->x_sym.x_tagndx = base[auxent->x_sym.x_tagndx]._n._n_n._n_offset; + + + } + } + if (ISFCN(syment->n_type)) { + last_fcn = syment; + } + if (syment->n_sclass == C_BLOCK + && coff_symbol_ptr->symbol.name[1] == 'b') + { + *last_block++ = syment; + } + } + syment->_n._n_n._n_offset = native_index; + native_index = native_index + 1 + syment->n_numaux; + } + } + } +} + + +static void +DEFUN(coff_write_symbols,(abfd), +bfd *abfd) +{ + unsigned int i; + unsigned int limit = bfd_get_symcount(abfd); + unsigned int written = 0; + struct internal_syment dummy; + asymbol **p; + unsigned int string_size = 0; + + + /* Seek to the right place */ + bfd_seek(abfd, obj_sym_filepos(abfd), SEEK_SET); + + /* Output all the symbols we have */ + + written = 0; + for (p = abfd->outsymbols, i = 0; i < limit; i++, p++) { + asymbol *symbol = *p; + coff_symbol_type *c_symbol = coff_symbol_from(abfd, symbol); + + unsigned int j; + struct internal_syment *native; + if (c_symbol == (coff_symbol_type *) NULL || + c_symbol->native == (struct internal_syment *) NULL) { + /* + This symbol has been created by the loader, or come from a non + coff format. It has no native element to inherit, make our + own + */ + + native = &dummy; + native->n_type = T_NULL; +#ifdef I960 + native->n_flags = 0; +#endif + if (symbol->flags & BSF_ABSOLUTE) { + native->n_scnum = N_ABS; + native->n_value = symbol->value; + } + else if (symbol->flags & (BSF_UNDEFINED | BSF_FORT_COMM)) { + native->n_scnum = N_UNDEF; + native->n_value = symbol->value; + } + else if (symbol->flags & BSF_DEBUGGING) { + /* + remove name so it doesn't take up any space + */ + symbol->name = ""; + continue; + } + else { + native->n_scnum = symbol->section->output_section->index + + 1; + native->n_value = symbol->value + + symbol->section->output_section->vma + + symbol->section->output_offset; +#ifdef I960 + /* Copy the any flags from the the file hdr into the symbol */ + { + coff_symbol_type *c = coff_symbol_from(abfd, symbol); + if (c != (coff_symbol_type *)NULL) { + native->n_flags = c->symbol.the_bfd->flags; + } + } +#endif + } + +#ifdef HASPAD1 + native->pad1[0] = 0; + native->pad1[0] = 0; +#endif + + native->n_type = 0; + if (symbol->flags & BSF_LOCAL) + native->n_sclass = C_STAT; + else + native->n_sclass = C_EXT; + native->n_numaux = 0; + } + else + /* + Does this symbol have an ascociated line number - if so then + make it remember this symbol index. Also tag the auxent of + this symbol to point to the right place in the lineno table + */ + { + alent *lineno = c_symbol->lineno; + native = c_symbol->native; + if (lineno) { + unsigned int count = 0; + lineno[count].u.offset = written; + if (native->n_numaux) { + union internal_auxent *a = (union internal_auxent *) (native + 1); + + a->x_sym.x_fcnary.x_fcn.x_lnnoptr = + c_symbol->symbol.section->output_section->moving_line_filepos; + } + /* + And count and relocate all other linenumbers + */ + count++; + while (lineno[count].line_number) { + lineno[count].u.offset += + c_symbol->symbol.section->output_section->vma + + c_symbol->symbol.section->output_offset; + count++; + } + c_symbol->symbol.section->output_section->moving_line_filepos += + count * LINESZ; + + } + } /* if symbol new to coff */ + + /* Fix the symbol names */ + { + unsigned int name_length; + if (symbol->name == (char *) NULL) { + /* + coff symbols always have names, so we'll make one up + */ + symbol->name = "strange"; + } + name_length = strlen(symbol->name); + if (name_length <= SYMNMLEN) { + /* This name will fit into the symbol neatly */ + strncpy(native->_n._n_name, symbol->name, SYMNMLEN); + } + else { + native->_n._n_n._n_offset = string_size + 4; + native->_n._n_n._n_zeroes = 0; + string_size += name_length + 1; + } + { + unsigned int numaux = native->n_numaux; + int type = native->n_type; + int class = native->n_sclass; + SYMENT buf; + bfd_coff_swap_sym_out(abfd, native, &buf); + bfd_write((PTR)& buf, 1, SYMESZ, abfd); + for (j = 0; j != native->n_numaux; + j++) { + AUXENT buf1; + bfd_coff_swap_aux_out(abfd, + (union internal_auxent *)(native + j + 1), type, class, &buf1); + bfd_write((PTR) (native + j + 1), 1, AUXESZ, abfd); + } + /* + Reuse somewhere in the symbol to keep the index + */ + set_index(symbol, written); + written += 1 + numaux; + } + } + } /* for each out symbol */ + + bfd_get_symcount(abfd) = written; + /* Now write out strings */ + + if (string_size) { + unsigned int size = string_size + 4; + size = size; + bfd_write((PTR) &size, 1, sizeof(size), abfd); + for (p = abfd->outsymbols, i = 0; i < limit; i++, p++) { + asymbol *q = *p; + size_t name_length = strlen(q->name); + if (name_length > SYMNMLEN) { + bfd_write((PTR) (q->name), 1, name_length + 1, abfd); + } + } + } + else { + /* We would normally not write anything here, but we'll write + out 4 so that any stupid coff reader which tries to read + the string table even when there isn't one won't croak. + */ + + uint32e_type size = 4; + size = size; + bfd_write((PTR)&size, 1, sizeof(size), abfd); + + } + +} + +static void +coff_write_relocs(abfd) +bfd *abfd; + { + asection *s; + for (s = abfd->sections; s != (asection *) NULL; s = s->next) { + unsigned int i; + struct external_reloc dst; + + arelent **p = s->orelocation; + bfd_seek(abfd, s->rel_filepos, SEEK_SET); + for (i = 0; i < s->reloc_count; i++) { + struct internal_reloc n; + arelent *q = p[i]; + memset((PTR)&n, 0, sizeof(n)); + n.r_vaddr = q->address + s->vma; + if (q->sym_ptr_ptr) { + n.r_symndx = get_index((*(q->sym_ptr_ptr))); + } +#ifdef SELECT_RELOC + /* Work out reloc type from what is required */ + SELECT_RELOC(n.r_type, q->howto); +#else + n.r_type = q->howto->type; +#endif + bfd_swap_reloc_out(abfd, &n, &dst); + bfd_write((PTR) &n, 1, RELSZ, abfd); + } + } + } + +static void +DEFUN(coff_write_linenumbers,(abfd), + bfd *abfd) + { + asection *s; + for (s = abfd->sections; s != (asection *) NULL; s = s->next) { + if (s->lineno_count) { + asymbol **q = abfd->outsymbols; + bfd_seek(abfd, s->line_filepos, SEEK_SET); + /* Find all the linenumbers in this section */ + while (*q) { + asymbol *p = *q; + alent *l = BFD_SEND(p->the_bfd, _get_lineno, (p->the_bfd, p)); + if (l) { + /* Found a linenumber entry, output */ + struct internal_lineno out; + LINENO buff; + bzero( (PTR)&out, sizeof(out)); + out.l_lnno = 0; + out.l_addr.l_symndx = l->u.offset; + bfd_coff_swap_lineno_out(abfd, &out, &buff); + bfd_write((PTR) &buff, 1, LINESZ, abfd); + l++; + while (l->line_number) { + out.l_lnno = l->line_number; + out.l_addr.l_symndx = l->u.offset; + bfd_coff_swap_lineno_out(abfd, &out, &buff); + bfd_write((PTR) &buff, 1, LINESZ, abfd); + l++; + } + } + q++; + } + } + } + } + + +static asymbol * +coff_make_empty_symbol(abfd) +bfd *abfd; + { + coff_symbol_type *new = (coff_symbol_type *) bfd_alloc(abfd, sizeof(coff_symbol_type)); + if (new == NULL) { + bfd_error = no_memory; + return (NULL); + } /* on error */ + new->native = 0; + new->lineno = (alent *) NULL; + new->symbol.the_bfd = abfd; + return &new->symbol; + } + +static void +coff_print_symbol(ignore_abfd, file, symbol, how) +bfd *ignore_abfd; +FILE *file; +asymbol *symbol; +bfd_print_symbol_enum_type how; + { + switch (how) { + case bfd_print_symbol_name_enum: + fprintf(file, "%s", symbol->name); + break; + case bfd_print_symbol_type_enum: + fprintf(file, "coff %lx %lx", (unsigned long) coffsymbol(symbol)->native, + (unsigned long) coffsymbol(symbol)->lineno); + break; + case bfd_print_symbol_all_enum: + { + CONST char *section_name = symbol->section == (asection *) NULL ? + "*abs" : symbol->section->name; + bfd_print_symbol_vandf((PTR) file, symbol); + + fprintf(file, " %-5s %s %s %s", + section_name, + coffsymbol(symbol)->native ? "n" : "g", + coffsymbol(symbol)->lineno ? "l" : " ", + symbol->name); + } + + + break; + } + } + +static alent * +coff_get_lineno(ignore_abfd, symbol) +bfd *ignore_abfd; +asymbol *symbol; + { + return coffsymbol(symbol)->lineno; + } + +/* +Set flags and magic number of a coff file from architecture and machine +type. Result is true if we can represent the arch&type, false if not. +*/ +static boolean +coff_set_flags(abfd, magicp, flagsp) +bfd *abfd; +unsigned *magicp, +*flagsp; + { + + switch (abfd->obj_arch) { + +#ifdef I960ROMAGIC + + case bfd_arch_i960: + + { + unsigned flags; + *magicp = I960ROMAGIC; + /* + ((bfd_get_file_flags(abfd) & WP_TEXT) ? I960ROMAGIC : + I960RWMAGIC); FIXME??? + */ + switch (abfd->obj_machine) { + case bfd_mach_i960_core: + flags = F_I960CORE; + break; + case bfd_mach_i960_kb_sb: + flags = F_I960KB; + break; + case bfd_mach_i960_mc: + flags = F_I960MC; + break; + case bfd_mach_i960_xa: + flags = F_I960XA; + break; + case bfd_mach_i960_ca: + flags = F_I960CA; + break; + case bfd_mach_i960_ka_sa: + flags = F_I960KA; + break; + default: + return false; + } + *flagsp = flags; + return true; + } + break; +#endif +#ifdef MIPS + case bfd_arch_mips: + *magicp = MIPS_MAGIC_2; + return true; + break; +#endif +#ifdef MC68MAGIC + case bfd_arch_m68k: + *magicp = MC68MAGIC; + return true; +#endif + +#ifdef MC88MAGIC + case bfd_arch_m88k: + *magicp = MC88OMAGIC; + return true; + break; +#endif + + default: /* Unknown architecture */ + return false; + } + + return false; + } + + +static boolean +coff_set_arch_mach(abfd, arch, machine) +bfd *abfd; +enum bfd_architecture arch; +unsigned long machine; + { + unsigned dummy1, + dummy2; + abfd->obj_arch = arch; + abfd->obj_machine = machine; + if (arch != bfd_arch_unknown && + coff_set_flags(abfd, &dummy1, &dummy2) != true) + return false; /* We can't represent this type */ + return true; /* We're easy ... */ + } + + +/* Calculate the file position for each section. */ + +static void +coff_compute_section_file_positions(abfd) +bfd *abfd; + { + asection *current; + file_ptr sofar = FILHSZ; + if (bfd_get_start_address(abfd)) { + /* + A start address may have been added to the original file. In this + case it will need an optional header to record it. + */ + abfd->flags |= EXEC_P; + } + if (abfd->flags & EXEC_P) + sofar += AOUTSZ; + + + sofar += abfd->section_count * SCNHSZ; + + for (current = abfd->sections; current != NULL; current = + current->next) { + /* Only deal with sections which have contents */ + if (!(current->flags & SEC_HAS_CONTENTS)) + continue; + + /* Align the sections in the file to the same boundary on + which they are aligned in virtual memory. I960 doesn't + do this (FIXME) so we can stay in sync with Intel. 960 + doesn't yet page from files... */ +#ifndef I960 + sofar = ALIGN(sofar, 1 << current->alignment_power); +#endif + /* FIXME, in demand paged files, the low order bits of the file + offset must match the low order bits of the virtual address. + "Low order" is apparently implementation defined. Add code + here to round sofar up to match the virtual address. */ + + current->filepos = sofar; + sofar += current->size; + } + obj_relocbase(abfd) = sofar; + } + + + + +/* SUPPRESS 558 */ +/* SUPPRESS 529 */ +static boolean +DEFUN(coff_write_object_contents,(abfd), +bfd *abfd) +{ + asection *current; + boolean hasrelocs = false; + boolean haslinno = false; + file_ptr reloc_base; + file_ptr lineno_base; + file_ptr sym_base; + file_ptr scn_base; + file_ptr data_base; + unsigned long reloc_size = 0; + unsigned long lnno_size = 0; + asection *text_sec = NULL; + asection *data_sec = NULL; + asection *bss_sec = NULL; + + struct internal_filehdr internal_f; + struct internal_aouthdr internal_a; + + struct icofdata *coff = obj_icof(abfd); + + + bfd_error = system_call_error; + + + if(abfd->output_has_begun == false) { + coff_compute_section_file_positions(abfd); + } + + if (abfd->sections != (asection *)NULL) { + scn_base = abfd->sections->filepos; + } + else { + scn_base = 0; + } + if (bfd_seek(abfd, scn_base, SEEK_SET) != 0) + return false; + reloc_base = obj_relocbase(abfd); + + /* Make a pass through the symbol table to count line number entries and + put them into the correct asections */ + + coff_count_linenumbers(abfd); + data_base = scn_base; + + /* Work out the size of the reloc and linno areas */ + + for (current = abfd->sections; current != NULL; current = current->next) { + reloc_size += current->reloc_count * RELSZ; + lnno_size += current->lineno_count * LINESZ; + data_base += SCNHSZ; + } + + lineno_base = reloc_base + reloc_size; + sym_base = lineno_base + lnno_size; + + /* Indicate in each section->line_filepos its actual file address */ + for (current = abfd->sections; current != NULL; current = current->next) { + if (current->lineno_count) { + current->line_filepos = lineno_base; + current->moving_line_filepos = lineno_base; + lineno_base += current->lineno_count * LINESZ; + } + else { + current->line_filepos = 0; + } + if (current->reloc_count) { + current->rel_filepos = reloc_base; + reloc_base += current->reloc_count * sizeof(struct internal_reloc); + } + else { + current->rel_filepos = 0; + } + } + + /* Write section headers to the file. */ + + bfd_seek(abfd, + (file_ptr) ((abfd->flags & EXEC_P) ? + (FILHSZ + AOUTSZ) : FILHSZ), + SEEK_SET); + + { +#if 0 + unsigned int pad = abfd->flags & D_PAGED ? data_base : 0; +#endif + unsigned int pad = 0; + + for (current = abfd->sections; current != NULL; current = current->next) { + struct internal_scnhdr section; + strncpy(&(section.s_name[0]), current->name, 8); + section.s_vaddr = current->vma + pad; + section.s_paddr = current->vma + pad; + section.s_size = current->size - pad; + /* + If this section has no size or is unloadable then the scnptr + will be 0 too + */ + if (current->size - pad == 0 || + (current->flags & SEC_LOAD) == 0) { + section.s_scnptr = 0; + + } + else { + section.s_scnptr = current->filepos; + } + section.s_relptr = current->rel_filepos; + section.s_lnnoptr = current->line_filepos; + section.s_nreloc = current->reloc_count; + section.s_nlnno = current->lineno_count; + if (current->reloc_count != 0) + hasrelocs = true; + if (current->lineno_count != 0) + haslinno = true; + + if (!strcmp(current->name, _TEXT)) { + text_sec = current; + section.s_flags = STYP_TEXT; /* kinda stupid */ + } + else if (!strcmp(current->name, _DATA)) { + data_sec = current; + section.s_flags = STYP_DATA; /* kinda stupid */ + } + else if (!strcmp(current->name, _BSS)) { + bss_sec = current; + section.s_flags = STYP_BSS; /* kinda stupid */ + } + + +#ifdef I960 + section.s_align = (current->alignment_power + ? 1 << current->alignment_power + : 0); + +#endif + { + SCNHDR buff; + + swap_scnhdr_out(abfd, §ion, &buff); + bfd_write((PTR) (&buff), 1, SCNHSZ, abfd); + + } + pad = 0; + } + } + + /* OK, now set up the filehdr... */ + internal_f.f_nscns = abfd->section_count; + /* + We will NOT put a fucking timestamp in the header here. Every time you + put it back, I will come in and take it out again. I'm sorry. This + field does not belong here. We fill it with a 0 so it compares the + same but is not a reasonable time. -- gnu@cygnus.com + */ + /* + Well, I like it, so I'm conditionally compiling it in. + steve@cygnus.com + */ +#ifdef COFF_TIMESTAMP + internal_f.f_timdat = time(0); +#else + internal_f.f_timdat = 0; +#endif + + if (bfd_get_symcount(abfd) != 0) + internal_f.f_symptr = sym_base; + else + internal_f.f_symptr = 0; + + internal_f.f_flags = 0; + + if (abfd->flags & EXEC_P) + internal_f.f_opthdr = AOUTSZ; + else + internal_f.f_opthdr = 0; + + if (!hasrelocs) + internal_f.f_flags |= F_RELFLG; + if (!haslinno) + internal_f.f_flags |= F_LNNO; + if (0 == bfd_get_symcount(abfd)) + internal_f.f_flags |= F_LSYMS; + if (abfd->flags & EXEC_P) + internal_f.f_flags |= F_EXEC; +#if M88 + internal_f.f_flags |= F_AR32W; +#else + if (!abfd->xvec->byteorder_big_p) + internal_f.f_flags |= F_AR32WR; +#endif + /* + FIXME, should do something about the other byte orders and + architectures. + */ + + /* Set up architecture-dependent stuff */ + + { int magic = 0; + int flags = 0; + coff_set_flags(abfd, &magic, &flags); + internal_f.f_magic = magic; + internal_f.f_flags = flags; + + /* ...and the "opt"hdr... */ + +#ifdef I960 + internal_a.magic = (magic == I960ROMAGIC ? NMAGIC : OMAGIC); +#endif +#if M88 + internal_a.magic = PAGEMAGICBCS; +#endif + } + /* Now should write relocs, strings, syms */ + obj_sym_filepos(abfd) = sym_base; + + if (bfd_get_symcount(abfd) != 0) { + coff_mangle_symbols(abfd); + coff_write_symbols(abfd); + coff_write_linenumbers(abfd); + coff_write_relocs(abfd); + } + if (text_sec) { + internal_a.tsize = text_sec->size; + internal_a.text_start =text_sec->size ? text_sec->vma : 0; + } + if (data_sec) { + internal_a.dsize = data_sec->size; + internal_a.data_start = data_sec->size ? data_sec->vma : 0; + } + if (bss_sec) { + internal_a.bsize = bss_sec->size; + } + + internal_a.entry = bfd_get_start_address(abfd); + internal_f.f_nsyms = bfd_get_symcount(abfd); + + /* now write them */ + if (bfd_seek(abfd, 0L, SEEK_SET) != 0) + return false; + { + FILHDR buff; + bfd_swap_filehdr_out(abfd, &internal_f, &buff); + bfd_write((PTR) &buff, 1, FILHSZ, abfd); + } + if (abfd->flags & EXEC_P) { + AOUTHDR buff; + bfd_swap_aouthdr_out(abfd, &internal_a, &buff); + bfd_write((PTR) &buff, 1, AOUTSZ, abfd); + } + return true; +} + +static boolean +coff_set_section_contents(abfd, section, location, offset, count) + bfd *abfd; + sec_ptr section; + PTR location; + file_ptr offset; + size_t count; +{ + if (abfd->output_has_begun == false) /* set by bfd.c handler */ + coff_compute_section_file_positions(abfd); + + bfd_seek(abfd, (file_ptr) (section->filepos + offset), SEEK_SET); + + if (count != 0) { + return (bfd_write(location, 1, count, abfd) == count) ? true : false; + } + return true; +} +#if 0 +static boolean +coff_close_and_cleanup(abfd) + bfd *abfd; +{ + if (!bfd_read_p(abfd)) + switch (abfd->format) { + case bfd_archive: + if (!_bfd_write_archive_contents(abfd)) + return false; + break; + case bfd_object: + if (!coff_write_object_contents(abfd)) + return false; + break; + default: + bfd_error = invalid_operation; + return false; + } + + /* We depend on bfd_close to free all the memory on the obstack. */ + /* FIXME if bfd_release is not using obstacks! */ + return true; +} + +#endif +static PTR +buy_and_read(abfd, where, seek_direction, size) + bfd *abfd; + file_ptr where; + int seek_direction; + size_t size; +{ + PTR area = (PTR) bfd_alloc(abfd, size); + if (!area) { + bfd_error = no_memory; + return (NULL); + } + bfd_seek(abfd, where, seek_direction); + if (bfd_read(area, 1, size, abfd) != size) { + bfd_error = system_call_error; + return (NULL); + } /* on error */ + return (area); +} /* buy_and_read() */ + +static void +DEFUN(offset_symbol_indices,(abfd, symtab, count, offset), + bfd *abfd AND + struct internal_syment *symtab AND + unsigned long count AND + long offset) +{ + struct internal_syment *end = symtab + count; + for (; symtab < end; ++symtab) { + if (symtab->n_sclass == C_FILE) { + symtab->n_value = 0; + } + else if (symtab->n_sclass == C_ALIAS) { + /* + These guys have indices in their values. + */ + symtab->n_value = symtab->n_value + offset; + } + else if (symtab->n_numaux) { + /* + anybody else without an aux, has no indices. + */ + + if (symtab->n_sclass == C_EOS + || (BTYPE(symtab->n_type) == T_STRUCT + && symtab->n_sclass != C_STRTAG) + || BTYPE(symtab->n_type) == T_UNION + || BTYPE(symtab->n_type) == T_ENUM) { + /* If the tagndx is 0 then the struct hasn't really been + defined, so leave it alone */ + + if(((union internal_auxent *) (symtab + 1))->x_sym.x_tagndx != 0) { + ((union internal_auxent *) (symtab + 1))->x_sym.x_tagndx += offset; + } + + } /* These guys have a tagndx */ + if (symtab->n_sclass == C_STRTAG + || symtab->n_sclass == C_UNTAG + || symtab->n_sclass == C_ENTAG + || symtab->n_sclass == C_BLOCK + || symtab->n_sclass == C_FCN + || ISFCN(symtab->n_type)) { + + ((union internal_auxent *) (symtab + + 1))->x_sym.x_fcnary.x_fcn.x_endndx + += offset; + + } /* These guys have an endndx */ +#ifndef I960 + if (ISFCN(symtab->n_type)) { + ((union internal_auxent *) (symtab + 1))->x_sym.x_tvndx += offset; + } /* These guys have a tvndx. I think... + (FIXME) */ +#endif /* Not I960 */ + + } /* if value, else if aux */ + symtab += symtab->n_numaux; + } /* walk the symtab */ + + return; +} /* offset_symbol_indices() */ + +#if 0 +/* swap the entire symbol table - we c*/ +static void +swap_raw_symtab(abfd, raw_symtab) +bfd *abfd; +SYMENT *raw_symtab; + { + long i; + SYMENT *end = raw_symtab + bfd_get_symcount(abfd); + for (; raw_symtab < end; ++raw_symtab) { + bfd_coff_swap_sym(abfd, raw_symtab); + + for (i = raw_symtab->n_numaux; i; --i, ++raw_symtab) { + bfd_coff_swap_aux(abfd, + (AUXENT *)(raw_symtab + 1), + raw_symtab->n_type, + raw_symtab->n_sclass); + } /* swap all the aux entries */ + } /* walk the symbol table */ + + return; + } /* swap_raw_symtab() */ +#endif +/* +read a symbol table into freshly mallocated memory, swap it, and knit the +symbol names into a normalized form. By normalized here I mean that all +symbols have an n_offset pointer that points to a NULL terminated string. +Oh, and the first symbol MUST be a C_FILE. If there wasn't one there +before, put one there. +*/ + +static struct internal_syment * +DEFUN(get_normalized_symtab,(abfd), +bfd *abfd) +{ + + struct internal_syment *internal; + struct internal_syment *internal_ptr; + struct internal_syment *internal_end; + SYMENT *raw; + SYMENT *raw_src; + SYMENT *raw_end; + char *string_table = NULL; + unsigned long size; + char string_table_size_buffer[4]; + unsigned long string_table_size = 0; + unsigned int raw_size; + if (obj_raw_syments(abfd) != (struct internal_syment *)NULL) { + return obj_raw_syments(abfd); + } + if ((size = bfd_get_symcount(abfd) * sizeof(struct internal_syment)) == 0) { + bfd_error = no_symbols; + return (NULL); + } + + internal = (struct internal_syment *)bfd_alloc(abfd, size); + internal_end = internal + bfd_get_symcount(abfd); + + raw_size = bfd_get_symcount(abfd) * SYMESZ; + raw = (SYMENT *)bfd_alloc(abfd,raw_size); + + if (bfd_seek(abfd, obj_sym_filepos(abfd), SEEK_SET) == -1 + || bfd_read((PTR)raw, raw_size, 1, abfd) != raw_size) { + bfd_error = system_call_error; + return (NULL); + } + /* mark the end of the symbols */ + raw_end = raw + bfd_get_symcount(abfd); + /* + FIXME SOMEDAY. A string table size of zero is very weird, but + probably possible. If one shows up, it will probably kill us. + */ + + /* Swap all the raw entries */ + for (raw_src = raw, internal_ptr = internal; raw_src < raw_end; raw_src++, internal_ptr++) { + unsigned int i; + bfd_coff_swap_sym_in(abfd, raw_src,internal_ptr); + for (i = internal_ptr->n_numaux; i; --i, raw_src++, internal_ptr++) { + bfd_coff_swap_aux_in(abfd, (AUXENT *)(raw_src +1), internal_ptr->n_type, + internal_ptr->n_sclass, (union + internal_auxent *)(internal_ptr +1)); + } + } + + /* Free all the raw stuff */ + bfd_release(abfd, raw_src); + + for (internal_ptr = internal; internal_ptr < internal_end; internal_ptr ++) { + + if (internal_ptr->_n._n_n._n_zeroes != 0) { + /* + This is a "short" name. Make it long. + */ + unsigned long i = 0; + char *newstring = NULL; + /* + find the length of this string without walking into memory + that isn't ours. + */ + + for (i = 0; i < 8; ++i) { + if (internal_ptr->_n._n_name[i] == '\0') { + break; + } /* if end of string */ + } /* possible lengths of this string. */ + + if ((newstring = (PTR) bfd_alloc(abfd, ++i)) == NULL) { + bfd_error = no_memory; + return (NULL); + } /* on error */ + bzero(newstring, i); + strncpy(newstring, internal_ptr->_n._n_name, i-1); + internal_ptr->_n._n_n._n_offset = (int) newstring; + internal_ptr->_n._n_n._n_zeroes = 0; + + } + else { + if (string_table == NULL) { + /* + NOTE: we don't read the string table until now because we + don't necessarily know that we have one until now. + */ + /* + At this point we should be "seek"'d to the end of the + symbols === the symbol table size. + */ + + if (bfd_read((char *) string_table_size_buffer, + sizeof(string_table_size_buffer), + 1, abfd) != sizeof(string_table_size)) { + bfd_error = system_call_error; + return (NULL); + } /* on error */ + + string_table_size = bfd_h_get_32(abfd, string_table_size_buffer); + + if ((string_table = (PTR) bfd_alloc(abfd, string_table_size -= 4)) == NULL) { + bfd_error = no_memory; + return (NULL); + } /* on mallocation error */ + if (bfd_read(string_table, string_table_size, 1, abfd) != string_table_size) { + bfd_error = system_call_error; + return (NULL); + } /* on error */ + } /* have not yet read the string table. */ + /* + This is a long name already. Just point it at the string in + memory. + */ + internal_ptr->_n._n_n._n_offset = (int) (string_table - 4 + internal_ptr->_n._n_n._n_offset); + + } /* switch on type of symbol name */ + + internal_ptr += internal_ptr->n_numaux; + } /* for each symbol */ +#if 0 +#ifndef GNU960 + /* I'm not sure of the repercussions of this, so the Intel + folks will always do the force + */ + if (obj_symbol_slew(abfd) > 0) + force_indices_file_symbol_relative(abfd, internal); +#else + force_indices_file_symbol_relative(abfd, internal); +#endif +#endif + obj_raw_syments(abfd) = internal; + obj_string_table(abfd) = string_table; + + return (internal); +} /* get_normalized_symtab() */ + +static +struct sec * +DEFUN(section_from_bfd_index,(abfd, index), + bfd *abfd AND + int index) +{ + if (index > 0) { + struct sec *answer = abfd->sections; + while (--index) { + answer = answer->next; + } + return answer; + } + return 0; +} + + + + +static boolean +coff_slurp_line_table(abfd, asect) +bfd *abfd; +asection *asect; + { + LINENO *native_lineno; + alent *lineno_cache; + + BFD_ASSERT(asect->lineno == (alent *) NULL); + + native_lineno = (LINENO *) buy_and_read(abfd, + asect->line_filepos, + SEEK_SET, + (size_t) (LINESZ * + asect->lineno_count)); + lineno_cache = + (alent *) bfd_alloc(abfd, (size_t) ((asect->lineno_count + 1) * sizeof(alent))); + if (lineno_cache == NULL) { + bfd_error = no_memory; + return false; + } else { + unsigned int counter = 0; + alent *cache_ptr = lineno_cache; + LINENO *src = native_lineno; + + while (counter < asect->lineno_count) { + struct internal_lineno dst; + bfd_coff_swap_lineno_in(abfd, src, &dst); + cache_ptr->line_number = dst.l_lnno; + + if (cache_ptr->line_number == 0) { + coff_symbol_type *sym = + (coff_symbol_type *) (dst.l_addr.l_symndx + + obj_symbol_slew(abfd) + + obj_raw_syments(abfd))->_n._n_n._n_zeroes; + cache_ptr->u.sym = (asymbol *) sym; + sym->lineno = cache_ptr; + } + else { + cache_ptr->u.offset = dst.l_addr.l_paddr + - bfd_section_vma(abfd, asect); + } /* If no linenumber expect a symbol index */ + + cache_ptr++; + src++; + counter++; + } + cache_ptr->line_number = 0; + + } + asect->lineno = lineno_cache; + /* FIXME, free native_lineno here, or use alloca or something. */ + return true; + } /* coff_slurp_line_table() */ + +#if 0 +static struct internal_syment * +DEFUN(find_next_file_symbol,(abfd, current, end), + bfd *abfd AND + struct internal_syment *current AND + struct internal_syment *end) +{ + current += current->n_numaux + 1; + + while (current < end) { + if (current->n_sclass== C_FILE) { + return (current); + } + current += current->n_numaux + 1; + } + return end; +} +#endif + +/* +Note that C_FILE symbols can, and some do, have more than 1 aux entry. +*/ +#if 0 +static void +DEFUN(force_indices_file_symbol_relative,(abfd, symtab), + bfd *abfd AND + struct internal_syment *symtab) +{ + struct internal_syment *end = symtab + bfd_get_symcount(abfd); + struct internal_syment *current; + struct internal_syment *next; + /* the first symbol had damn well better be a C_FILE. */ + BFD_ASSERT(symtab->n_sclass == C_FILE); + + for (current = find_next_file_symbol(abfd, symtab, end); + current < end; + current = next) { + offset_symbol_indices(abfd, current, + ((next = + find_next_file_symbol(abfd, current, + end)) - current), + symtab - current); + } + return; +} +#endif +static boolean +DEFUN(coff_slurp_symbol_table,(abfd), + bfd *abfd) + { + struct internal_syment *native_symbols; + coff_symbol_type *cached_area; + unsigned int *table_ptr; + + unsigned int number_of_symbols = 0; + if (obj_symbols(abfd)) + return true; + bfd_seek(abfd, obj_sym_filepos(abfd), SEEK_SET); + + /* Read in the symbol table */ + if ((native_symbols = get_normalized_symtab(abfd)) == NULL) { + return (false); + } /* on error */ + + + /* Allocate enough room for all the symbols in cached form */ + cached_area = + (coff_symbol_type *) + bfd_alloc(abfd, (size_t) (bfd_get_symcount(abfd) * sizeof(coff_symbol_type))); + + if (cached_area == NULL) { + bfd_error = no_memory; + return false; + } /* on error */ + table_ptr = + (unsigned int *) + bfd_alloc(abfd, (size_t) (bfd_get_symcount(abfd) * sizeof(unsigned int))); + + if (table_ptr == NULL) { + bfd_error = no_memory; + return false; + } else { + coff_symbol_type *dst = cached_area; + unsigned int last_native_index = bfd_get_symcount(abfd); + unsigned int this_index = 0; + while (this_index < last_native_index) { + struct internal_syment *src = native_symbols + this_index; + table_ptr[this_index] = number_of_symbols; + dst->symbol.the_bfd = abfd; + + dst->symbol.name = (char *)(src->_n._n_n._n_offset); + /* + We use the native name field to point to the cached field + */ + src->_n._n_n._n_zeroes = (int) dst; + dst->symbol.section = section_from_bfd_index(abfd, + src->n_scnum); + switch (src->n_sclass) { +#ifdef I960 + case C_LEAFEXT: +#if 0 + dst->symbol.value = src->n_value - dst->symbol.section->vma; + dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL; + dst->symbol.flags |= BSF_NOT_AT_END; +#endif + /* Fall through to next case */ + +#endif + + case C_EXT: + if ((src->n_scnum) == 0) { + if ((src->n_value) == 0) { + dst->symbol.flags = BSF_UNDEFINED; + dst->symbol.value= 0; + } + else { + dst->symbol.flags = BSF_FORT_COMM; + dst->symbol.value = (src->n_value); + } + } + else { + /* + Base the value as an index from the base of the + section + */ + if (dst->symbol.section == (asection *) NULL) { + dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL | BSF_ABSOLUTE; + dst->symbol.value = src->n_value; + } + else { + dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL; + dst->symbol.value = src->n_value - dst->symbol.section->vma; + } + if (ISFCN((src->n_type))) { + /* + A function ext does not go at the end of a file + */ + dst->symbol.flags |= BSF_NOT_AT_END; + } + } + + break; + case C_STAT: /* static */ +#ifdef I960 + case C_LEAFSTAT: /* static leaf procedure */ +#endif + case C_LABEL: /* label */ + dst->symbol.flags = BSF_LOCAL; + /* + Base the value as an index from the base of the section + */ + dst->symbol.value = (src->n_value) - dst->symbol.section->vma; + break; + + case C_MOS: /* member of structure */ + case C_EOS: /* end of structure */ + case C_REGPARM: /* register parameter */ + case C_REG: /* register variable */ +#ifdef C_AUTOARG + case C_AUTOARG: /* 960-specific storage class */ +#endif + case C_TPDEF: /* type definition */ + + case C_ARG: + case C_AUTO: /* automatic variable */ + case C_FIELD: /* bit field */ + case C_ENTAG: /* enumeration tag */ + case C_MOE: /* member of enumeration */ + case C_MOU: /* member of union */ + case C_UNTAG: /* union tag */ + + dst->symbol.flags = BSF_DEBUGGING; + dst->symbol.value = (src->n_value); + break; + + case C_FILE: /* file name */ + case C_STRTAG: /* structure tag */ + dst->symbol.flags = BSF_DEBUGGING; + dst->symbol.value = (src->n_value); + + break; + case C_BLOCK: /* ".bb" or ".eb" */ + case C_FCN: /* ".bf" or ".ef" */ + dst->symbol.flags = BSF_LOCAL; + /* + Base the value as an index from the base of the section + */ + dst->symbol.value = (src->n_value) - dst->symbol.section->vma; + + break; + case C_EFCN: /* physical end of function */ + case C_NULL: + case C_EXTDEF: /* external definition */ + case C_ULABEL: /* undefined label */ + case C_USTATIC: /* undefined static */ + case C_LINE: /* line # reformatted as symbol table entry */ + case C_ALIAS: /* duplicate tag */ + case C_HIDDEN: /* ext symbol in dmert public lib */ + + default: + + abort(); + dst->symbol.flags = BSF_DEBUGGING; + dst->symbol.value = (src->n_value); + + break; + } + + BFD_ASSERT(dst->symbol.flags != 0); + + dst->native = src; + + dst->symbol.udata = 0; + dst->lineno = (alent *) NULL; + this_index += (src->n_numaux) + 1; + dst++; + number_of_symbols++; + } /* walk the native symtab */ + } /* bfdize the native symtab */ + + obj_symbols(abfd) = cached_area; + obj_raw_syments(abfd) = native_symbols; + + bfd_get_symcount(abfd) = number_of_symbols; + obj_convert(abfd) = table_ptr; + /* Slurp the line tables for each section too */ + { + asection *p; + p = abfd->sections; + while (p) { + coff_slurp_line_table(abfd, p); + p = p->next; + } + } + return true; + } /* coff_slurp_symbol_table() */ + +static unsigned int +coff_get_symtab_upper_bound(abfd) +bfd *abfd; + { + if (!coff_slurp_symbol_table(abfd)) + return 0; + + return (bfd_get_symcount(abfd) + 1) * (sizeof(coff_symbol_type *)); + } + + +static unsigned int +coff_get_symtab(abfd, alocation) +bfd *abfd; +asymbol **alocation; + { + unsigned int counter = 0; + coff_symbol_type *symbase; + coff_symbol_type **location = (coff_symbol_type **) (alocation); + if (!coff_slurp_symbol_table(abfd)) + return 0; + + for (symbase = obj_symbols(abfd); counter++ < bfd_get_symcount(abfd);) + *(location++) = symbase++; + *location++ = 0; + return bfd_get_symcount(abfd); + } + +static unsigned int +coff_get_reloc_upper_bound(abfd, asect) +bfd *abfd; +sec_ptr asect; + { + if (bfd_get_format(abfd) != bfd_object) { + bfd_error = invalid_operation; + return 0; + } + return (asect->reloc_count + 1) * sizeof(arelent *); + } + +static boolean +DEFUN(coff_slurp_reloc_table,(abfd, asect, symbols), + bfd *abfd AND + sec_ptr asect AND + asymbol **symbols) + { + RELOC *native_relocs; + arelent *reloc_cache; + if (asect->relocation) + return true; + if (asect->reloc_count == 0) + return true; + if (!coff_slurp_symbol_table(abfd)) + return false; + native_relocs = + (RELOC *) buy_and_read(abfd, + asect->rel_filepos, + SEEK_SET, + (size_t) (RELSZ * + asect->reloc_count)); + reloc_cache = (arelent *) + bfd_alloc(abfd, (size_t) (asect->reloc_count * sizeof(arelent))); + + if (reloc_cache == NULL) { + bfd_error = no_memory; + return false; + } { /* on error */ + arelent *cache_ptr; + RELOC *src; + for (cache_ptr = reloc_cache, + src = native_relocs; + cache_ptr < reloc_cache + asect->reloc_count; + cache_ptr++, + src++) { + struct internal_reloc dst; + asymbol *ptr; + bfd_swap_reloc_in(abfd, src, &dst); + dst.r_symndx += obj_symbol_slew(abfd); + cache_ptr->sym_ptr_ptr = symbols + obj_convert(abfd)[dst.r_symndx]; + + ptr = *(cache_ptr->sym_ptr_ptr); + cache_ptr->address = dst.r_vaddr; + /* + The symbols definitions that we have read in have been + relocated as if their sections started at 0. But the offsets + refering to the symbols in the raw data have not been + modified, so we have to have a negative addend to compensate. + + Note that symbols which used to be common must be left alone + */ + + if (ptr->the_bfd == abfd + && ptr->section != (asection *) NULL + && ((ptr->flags & BSF_OLD_COMMON)== 0)) + { + cache_ptr->addend = -(ptr->section->vma + ptr->value); + } + else { + cache_ptr->addend = 0; + } + + cache_ptr->address -= asect->vma; + + cache_ptr->section = (asection *) NULL; + +#if I960 + cache_ptr->howto = howto_table + dst.r_type; +#endif +#if M68 + cache_ptr->howto = howto_table + dst.r_type - R_RELBYTE; +#endif +#if M88 + if (dst.r_type >= R_PCR16L && dst.r_type <= R_VRT32) { + cache_ptr->howto = howto_table + dst.r_type - R_PCR16L; + cache_ptr->addend += dst.r_offset << 16; + } + else { + BFD_ASSERT(0); + } +#endif + + } + + } + + asect->relocation = reloc_cache; + return true; + } + + +/* This is stupid. This function should be a boolean predicate */ +static unsigned int +coff_canonicalize_reloc(abfd, section, relptr, symbols) +bfd *abfd; +sec_ptr section; +arelent **relptr; +asymbol **symbols; + { + arelent *tblptr = section->relocation; + unsigned int count = 0; + if (!(tblptr || coff_slurp_reloc_table(abfd, section, symbols))) + return 0; + tblptr = section->relocation; + if (!tblptr) + return 0; + + for (; count++ < section->reloc_count;) + *relptr++ = tblptr++; + + *relptr = 0; + + return section->reloc_count; + } + + +/* +provided a bfd, a section and an offset into the section, calculate and +return the name of the source file and the line nearest to the wanted +location. +*/ + +static boolean +DEFUN(coff_find_nearest_line,(abfd, + section, + symbols, + offset, + filename_ptr, + functionname_ptr, + line_ptr), + bfd *abfd AND + asection *section AND + asymbol **symbols AND + bfd_vma offset AND + CONST char **filename_ptr AND + CONST char **functionname_ptr AND + unsigned int *line_ptr) +{ + static bfd *cache_abfd; + static asection *cache_section; + static bfd_vma cache_offset; + static unsigned int cache_i; + static alent *cache_l; + + unsigned int i = 0; + struct icofdata *cof = obj_icof(abfd); + /* Run through the raw syments if available */ + struct internal_syment *p; + alent *l; + unsigned int line_base = 0; + + + *filename_ptr = 0; + *functionname_ptr = 0; + *line_ptr = 0; + + /* Don't try and find line numbers in a non coff file */ + if (abfd->xvec->flavour != bfd_target_coff_flavour_enum) + return false; + + if (cof == (struct icofdata *)NULL) + return false; + + p = cof->raw_syments; + /* + I don't know for sure what's right, but this isn't it. First off, an + object file may not have any C_FILE's in it. After + get_normalized_symtab(), it should have at least 1, the one I put + there, but otherwise, all bets are off. Point #2, the first C_FILE + isn't necessarily the right C_FILE because any given object may have + many. I think you'll have to track sections as they coelesce in order + to find the C_STAT symbol for this section. Then you'll have to work + backwards to find the previous C_FILE, or choke if you get to a C_STAT + for the same kind of section. That will mean that the original object + file didn't have a C_FILE. xoxorich. + */ + +#ifdef WEREBEINGPEDANTIC + return false; +#endif + + for (i = 0; i < cof->raw_syment_count; i++) { + if (p->n_sclass == C_FILE) { + /* File name is embeded in auxent */ + /* + This isn't right. The fname should probably be normalized + during get_normalized_symtab(). In any case, what was here + wasn't right because a SYMENT.n_name isn't an + AUXENT.x_file.x_fname. xoxorich. + */ + + *filename_ptr = ((AUXENT *) (p + 1))->x_file.x_fname; + break; + } + p += 1 + p->n_numaux; + } + /* Now wander though the raw linenumbers of the section */ + /* + If this is the same bfd as we were previously called with and this is + the same section, and the offset we want is further down then we can + prime the lookup loop + */ + if (abfd == cache_abfd && + section == cache_section && + offset >= cache_offset) { + i = cache_i; + l = cache_l; + } + else { + i = 0; + l = section->lineno; + } + + for (; i < section->lineno_count; i++) { + if (l->line_number == 0) { + /* Get the symbol this line number points at */ + coff_symbol_type *coff = (coff_symbol_type *) (l->u.sym); + *functionname_ptr = coff->symbol.name; + if (coff->native) { + struct internal_syment *s = coff->native; + s = s + 1 + s->n_numaux; + /* + S should now point to the .bf of the function + */ + if (s->n_numaux) { + /* + The linenumber is stored in the auxent + */ + union internal_auxent *a = (union internal_auxent *) (s + 1); + line_base = a->x_sym.x_misc.x_lnsz.x_lnno; + } + } + } + else { + if (l->u.offset > offset) + break; + *line_ptr = l->line_number + line_base + 1; + } + l++; + } + + cache_abfd = abfd; + cache_section = section; + cache_offset = offset; + cache_i = i; + cache_l = l; + return true; +} + +#ifdef GNU960 +file_ptr +coff_sym_filepos(abfd) +bfd *abfd; + { + return obj_sym_filepos(abfd); + } +#endif + + +static int +DEFUN(coff_sizeof_headers,(abfd, reloc), + bfd *abfd AND + boolean reloc) + { + size_t size; + + if (reloc == false) { + size = FILHSZ + AOUTSZ; + } + else { + size = FILHSZ; + } + + size += abfd->section_count * SCNHSZ; + return size; + } + + +#define coff_core_file_failing_command _bfd_dummy_core_file_failing_command +#define coff_core_file_failing_signal _bfd_dummy_core_file_failing_signal +#define coff_core_file_matches_executable_p _bfd_dummy_core_file_matches_executable_p +#define coff_slurp_armap bfd_slurp_coff_armap +#define coff_slurp_extended_name_table _bfd_slurp_extended_name_table +#define coff_truncate_arname bfd_dont_truncate_arname +#define coff_openr_next_archived_file bfd_generic_openr_next_archived_file +#define coff_generic_stat_arch_elt bfd_generic_stat_arch_elt +#define coff_get_section_contents bfd_generic_get_section_contents +#define coff_close_and_cleanup bfd_generic_close_and_cleanup diff --git a/bfd/libbfd.c b/bfd/libbfd.c index 1116e9d..aad52fe 100644 --- a/bfd/libbfd.c +++ b/bfd/libbfd.c @@ -89,7 +89,7 @@ DEFUN(_bfd_dummy_core_file_matches_executable_p,(ignore_core_bfd, ignore_exec_bf /* of course you can't initialize a function to be the same as another, grr */ char * -DEFUN(_bfd_dummy_core_file_failing_commandl(ignore_abfd), +DEFUN(_bfd_dummy_core_file_failing_command,(ignore_abfd), bfd *ignore_abfd) { return (char *)NULL; @@ -214,8 +214,8 @@ DEFUN(bfd_tell,(abfd), boolean DEFUN(bfd_add_to_string_table,(table, new_string, table_length, free_ptr), char **table AND - char **free_ptr AND char *new_string AND + char **free_ptr AND unsigned int *table_length) { size_t string_length = strlen (new_string) + 1; /* include null here */ |