186 lines
5.5 KiB
C
186 lines
5.5 KiB
C
/* Hitachi H8/300 COFF back-end for BFD.
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Copyright (C) 1990-1991 Free Software Foundation, Inc.
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Written by Steve Chamberlain
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sac@cygnus.com
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "obstack.h"
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#include "coff/h8300.h"
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#include "coff/internal.h"
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#include "libcoff.h"
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static reloc_howto_type howto_table[] =
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{
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HOWTO(R_RELBYTE, 0, 0, 8, false, 0, true, true,0,"8", true, 0x000000ff,0x000000ff, false),
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HOWTO(R_RELWORD, 0, 1, 16, false, 0, true, true,0,"16", true, 0x0000ffff,0x0000ffff, false),
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HOWTO(R_RELLONG, 0, 2, 32, false, 0, true, true,0,"32", true, 0xffffffff,0xffffffff, false),
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HOWTO(R_PCRBYTE, 0, 0, 8, true, 0, false, true,0,"DISP8", true, 0x000000ff,0x000000ff, true),
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HOWTO(R_PCRWORD, 0, 1, 16, true, 0, false, true,0,"DISP16", true, 0x0000ffff,0x0000ffff, true),
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HOWTO(R_PCRLONG, 0, 2, 32, true, 0, false, true,0,"DISP32", true, 0xffffffff,0xffffffff, true),
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HOWTO(R_MOVB1, 0, 1, 16, false, 0, true,
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true,0,"16/8", true, 0x0000ffff,0x0000ffff, false),
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HOWTO(R_MOVB2, 0, 1, 16, false, 0, true,
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true,0,"8/16", true, 0x0000ffff,0x0000ffff, false),
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HOWTO(R_JMP1, 0, 1, 16, false, 0, true, true,0,"16/pcrel", true, 0x0000ffff,0x0000ffff, false),
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HOWTO(R_JMP2, 0, 0, 8, false, 0, true, true,0,"pcrecl/16", true, 0x000000ff,0x000000ff, false),
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};
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/* Turn a howto into a reloc number */
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#define SELECT_RELOC(x,howto) \
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{ x = howto_table[howto->size +(int)howto->pc_relative*3].type; }
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#define BADMAG(x) H8300BADMAG(x)
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#define H8300 1 /* Customize coffcode.h */
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#define __A_MAGIC_SET__
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/* Code to swap in the reloc */
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#define SWAP_IN_RELOC_OFFSET bfd_h_get_32
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#define SWAP_OUT_RELOC_OFFSET bfd_h_put_32
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#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
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dst->r_stuff[0] = 'S'; \
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dst->r_stuff[1] = 'C';
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/* Code to turn a r_type into a howto ptr, uses the above howto table
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*/
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static void
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DEFUN(rtype2howto,(internal, dst),
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arelent *internal AND
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struct internal_reloc *dst)
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{
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switch (dst->r_type) {
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case R_RELBYTE:
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internal->howto = howto_table+ 0;
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break;
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case R_RELWORD:
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internal->howto = howto_table+ 1;
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break;
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case R_PCRBYTE:
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internal->howto = howto_table+3;
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break;
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case R_PCRWORD:
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internal->howto = howto_table+ 4;
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break;
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case R_MOVB1:
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internal->howto = howto_table + 6;
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break;
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case R_MOVB2:
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internal->howto = howto_table + 7;
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break;
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case R_JMP1:
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internal->howto = howto_table +8;
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break;
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case R_JMP2:
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internal->howto = howto_table +9;
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break;
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default:
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fprintf(stderr,"Bad reloc\n");
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break;
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}
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}
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#define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
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/* Perform any necessaru magic to the addend in a reloc entry */
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#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
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cache_ptr->addend = ext_reloc.r_offset;
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#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
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reloc_processing(relent, reloc, symbols, abfd, section)
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static void DEFUN(reloc_processing,(relent,reloc, symbols, abfd, section) ,
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arelent *relent AND
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struct internal_reloc *reloc AND
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asymbol **symbols AND
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bfd *abfd AND
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asection *section)
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{
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relent->address = reloc->r_vaddr;
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rtype2howto(relent,reloc);
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if (reloc->r_symndx > 0)
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{
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relent->sym_ptr_ptr = symbols + obj_convert(abfd)[reloc->r_symndx];
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}
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else
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{
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relent->sym_ptr_ptr = &(bfd_abs_symbol);
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}
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relent->addend = reloc->r_offset;
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relent->address-= section->vma;
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/* relent->section = 0;*/
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}
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#include "coffcode.h"
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#undef coff_bfd_get_relocated_section_contents
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#undef coff_bfd_relax_section
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#define coff_bfd_get_relocated_section_contents bfd_coff_get_relocated_section_contents
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#define coff_bfd_relax_section bfd_coff_relax_section
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bfd_target h8300coff_vec =
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{
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"coff-h8300", /* name */
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bfd_target_coff_flavour,
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true, /* data byte order is big */
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true, /* header byte order is big */
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(HAS_RELOC | EXEC_P | /* object flags */
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HAS_LINENO | HAS_DEBUG |
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HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
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( SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
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'_', /* leading char */
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'/', /* ar_pad_char */
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15, /* ar_max_namelen */
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1, /* minimum section alignment */
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_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
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_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
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{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
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bfd_generic_archive_p, _bfd_dummy_target},
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{bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
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bfd_false},
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{bfd_false, coff_write_object_contents, /* bfd_write_contents */
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_bfd_write_archive_contents, bfd_false},
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JUMP_TABLE(coff),
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COFF_SWAP_TABLE
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};
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