home *** CD-ROM | disk | FTP | other *** search
- /* BFD back-end for Hitachi Super-H COFF binaries.
- Copyright 1993 Free Software Foundation, Inc.
- Contributed by Cygnus Support.
- Written by Steve Chamberlain, <sac@cygnus.com>.
-
- This file is part of BFD, the Binary File Descriptor library.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include "bfd.h"
- #include "sysdep.h"
- #include "libbfd.h"
- #include "obstack.h"
- #include "coff/sh.h"
- #include "coff/internal.h"
- #include "libcoff.h"
- #include "seclet.h"
-
- extern bfd_error_vector_type bfd_error_vector;
-
- static reloc_howto_type r_imm32 =
- HOWTO (R_SH_IMM32, 0, 1, 32, false, 0, true,
- true, 0, "r_imm32", true, 0xffffffff, 0xffffffff, false);
-
-
-
- /* Turn a howto into a reloc number */
-
- static int
- coff_SH_select_reloc (howto)
- reloc_howto_type *howto;
- {
- return howto->type;
- }
-
- #define SELECT_RELOC(x,howto) x= coff_SH_select_reloc(howto)
-
-
- #define BADMAG(x) SHBADMAG(x)
- #define SH 1 /* Customize coffcode.h */
-
- #define __A_MAGIC_SET__
-
- /* Code to swap in the reloc */
- #define SWAP_IN_RELOC_OFFSET bfd_h_get_32
- #define SWAP_OUT_RELOC_OFFSET bfd_h_put_32
- #define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
- dst->r_stuff[0] = 'S'; \
- dst->r_stuff[1] = 'C';
-
- /* Code to turn a r_type into a howto ptr, uses the above howto table
- */
-
- static void
- DEFUN (rtype2howto, (internal, dst),
- arelent * internal AND
- struct internal_reloc *dst)
- {
- switch (dst->r_type)
- {
- default:
- printf ("BAD 0x%x\n", dst->r_type);
- case R_SH_IMM32:
- internal->howto = &r_imm32;
- break;
- }
- }
-
- #define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
-
-
- /* Perform any necessaru magic to the addend in a reloc entry */
-
-
- #define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
- cache_ptr->addend = ext_reloc.r_offset;
-
-
- #define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
- reloc_processing(relent, reloc, symbols, abfd, section)
-
- static void
- DEFUN (reloc_processing, (relent, reloc, symbols, abfd, section),
- arelent * relent AND
- struct internal_reloc *reloc AND
- asymbol ** symbols AND
- bfd * abfd AND
- asection * section)
- {
- relent->address = reloc->r_vaddr;
- rtype2howto (relent, reloc);
-
- if (reloc->r_symndx > 0)
- {
- relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
- }
- else
- {
- relent->sym_ptr_ptr = &(bfd_abs_symbol);
- }
-
-
- relent->addend = reloc->r_offset;
- relent->address -= section->vma;
- }
-
- static void
- extra_case (in_abfd, seclet, reloc, data, src_ptr, dst_ptr)
- bfd *in_abfd;
- bfd_seclet_type *seclet;
- arelent *reloc;
- bfd_byte *data;
- unsigned int *src_ptr;
- unsigned int *dst_ptr;
- {
- bfd_byte *d = data+*dst_ptr;
- switch (reloc->howto->type)
- {
- case R_SH_IMM32:
- {
- int v = bfd_coff_reloc16_get_value(reloc, seclet);
- bfd_put_32 (in_abfd, v, data + *dst_ptr);
- (*dst_ptr) +=4;
- (*src_ptr)+=4;;
- }
- break;
-
- default:
- abort ();
- }
- }
-
- #define coff_reloc16_extra_cases extra_case
-
- #include "coffcode.h"
-
-
- #undef coff_bfd_get_relocated_section_contents
- #undef coff_bfd_relax_section
- #define coff_bfd_get_relocated_section_contents bfd_coff_reloc16_get_relocated_section_contents
- #define coff_bfd_relax_section bfd_coff_reloc16_relax_section
-
- bfd_target shcoff_vec =
- {
- "coff-sh", /* name */
- bfd_target_coff_flavour,
- true, /* data byte order is big */
- true, /* header byte order is big */
-
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
-
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- '_', /* leading symbol underscore */
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
- 3, /* minimum section alignment */
- _do_getb64, _do_getb_signed_64, _do_putb64,
- _do_getb32, _do_getb_signed_32, _do_putb32,
- _do_getb16, _do_getb_signed_16, _do_putb16, /* data */
- _do_getb64, _do_getb_signed_64, _do_putb64,
- _do_getb32, _do_getb_signed_32, _do_putb32,
- _do_getb16, _do_getb_signed_16, _do_putb16, /* hdrs */
-
- {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, _bfd_dummy_target},
- {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
- bfd_false},
- {bfd_false, coff_write_object_contents, /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
-
- JUMP_TABLE(coff),
- COFF_SWAP_TABLE,
- };
-