| 1 | /* BFD back-end for Hitachi Super-H COFF binaries. |
| 2 | Copyright 1993 Free Software Foundation, Inc. |
| 3 | Contributed by Cygnus Support. |
| 4 | Written by Steve Chamberlain, <sac@cygnus.com>. |
| 5 | |
| 6 | This file is part of BFD, the Binary File Descriptor library. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 21 | |
| 22 | #include "bfd.h" |
| 23 | #include "sysdep.h" |
| 24 | #include "libbfd.h" |
| 25 | #include "obstack.h" |
| 26 | #include "coff/sh.h" |
| 27 | #include "coff/internal.h" |
| 28 | #include "libcoff.h" |
| 29 | #include "seclet.h" |
| 30 | |
| 31 | extern bfd_error_vector_type bfd_error_vector; |
| 32 | |
| 33 | static reloc_howto_type r_imm32 = |
| 34 | HOWTO (R_SH_IMM32, 0,2, 32, false, 0, true, |
| 35 | true, 0, "r_imm32", false, 0x0, 0xffffffff, false); |
| 36 | |
| 37 | |
| 38 | |
| 39 | /* Turn a howto into a reloc number */ |
| 40 | |
| 41 | static int |
| 42 | coff_SH_select_reloc (howto) |
| 43 | reloc_howto_type *howto; |
| 44 | { |
| 45 | return howto->type; |
| 46 | } |
| 47 | |
| 48 | #define SELECT_RELOC(x,howto) x= coff_SH_select_reloc(howto) |
| 49 | |
| 50 | |
| 51 | #define BADMAG(x) SHBADMAG(x) |
| 52 | #define SH 1 /* Customize coffcode.h */ |
| 53 | |
| 54 | #define __A_MAGIC_SET__ |
| 55 | |
| 56 | /* Code to swap in the reloc */ |
| 57 | #define SWAP_IN_RELOC_OFFSET bfd_h_get_32 |
| 58 | #define SWAP_OUT_RELOC_OFFSET bfd_h_put_32 |
| 59 | #define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \ |
| 60 | dst->r_stuff[0] = 'S'; \ |
| 61 | dst->r_stuff[1] = 'C'; |
| 62 | |
| 63 | /* Code to turn a r_type into a howto ptr, uses the above howto table |
| 64 | */ |
| 65 | |
| 66 | static void |
| 67 | DEFUN (rtype2howto, (internal, dst), |
| 68 | arelent * internal AND |
| 69 | struct internal_reloc *dst) |
| 70 | { |
| 71 | switch (dst->r_type) |
| 72 | { |
| 73 | default: |
| 74 | fprintf (stderr, "BAD 0x%x\n", dst->r_type); |
| 75 | case R_SH_IMM32: |
| 76 | internal->howto = &r_imm32; |
| 77 | break; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | #define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry) |
| 82 | |
| 83 | |
| 84 | /* Perform any necessaru magic to the addend in a reloc entry */ |
| 85 | |
| 86 | |
| 87 | #define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \ |
| 88 | cache_ptr->addend = ext_reloc.r_offset; |
| 89 | |
| 90 | |
| 91 | #define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \ |
| 92 | reloc_processing(relent, reloc, symbols, abfd, section) |
| 93 | |
| 94 | static void |
| 95 | DEFUN (reloc_processing, (relent, reloc, symbols, abfd, section), |
| 96 | arelent * relent AND |
| 97 | struct internal_reloc *reloc AND |
| 98 | asymbol ** symbols AND |
| 99 | bfd * abfd AND |
| 100 | asection * section) |
| 101 | { |
| 102 | relent->address = reloc->r_vaddr; |
| 103 | rtype2howto (relent, reloc); |
| 104 | |
| 105 | if (reloc->r_symndx > 0) |
| 106 | { |
| 107 | relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx]; |
| 108 | } |
| 109 | else |
| 110 | { |
| 111 | relent->sym_ptr_ptr = &(bfd_abs_symbol); |
| 112 | } |
| 113 | |
| 114 | |
| 115 | relent->addend = reloc->r_offset; |
| 116 | relent->address -= section->vma; |
| 117 | } |
| 118 | |
| 119 | static void |
| 120 | extra_case (in_abfd, seclet, reloc, data, src_ptr, dst_ptr) |
| 121 | bfd *in_abfd; |
| 122 | bfd_seclet_type *seclet; |
| 123 | arelent *reloc; |
| 124 | bfd_byte *data; |
| 125 | unsigned int *src_ptr; |
| 126 | unsigned int *dst_ptr; |
| 127 | { |
| 128 | switch (reloc->howto->type) |
| 129 | { |
| 130 | case R_SH_IMM32: |
| 131 | { |
| 132 | int v = bfd_coff_reloc16_get_value(reloc, seclet); |
| 133 | bfd_put_32 (in_abfd, v, data + *dst_ptr); |
| 134 | (*dst_ptr) +=4; |
| 135 | (*src_ptr)+=4;; |
| 136 | } |
| 137 | break; |
| 138 | |
| 139 | default: |
| 140 | abort (); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | #define coff_reloc16_extra_cases extra_case |
| 145 | |
| 146 | #include "coffcode.h" |
| 147 | |
| 148 | |
| 149 | #undef coff_bfd_get_relocated_section_contents |
| 150 | #undef coff_bfd_relax_section |
| 151 | #define coff_bfd_get_relocated_section_contents bfd_coff_reloc16_get_relocated_section_contents |
| 152 | #define coff_bfd_relax_section bfd_coff_reloc16_relax_section |
| 153 | |
| 154 | bfd_target shcoff_vec = |
| 155 | { |
| 156 | "coff-sh", /* name */ |
| 157 | bfd_target_coff_flavour, |
| 158 | true, /* data byte order is big */ |
| 159 | true, /* header byte order is big */ |
| 160 | |
| 161 | (HAS_RELOC | EXEC_P | /* object flags */ |
| 162 | HAS_LINENO | HAS_DEBUG | |
| 163 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), |
| 164 | |
| 165 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
| 166 | '_', /* leading symbol underscore */ |
| 167 | '/', /* ar_pad_char */ |
| 168 | 15, /* ar_max_namelen */ |
| 169 | 2, /* minimum section alignment */ |
| 170 | _do_getb64, _do_getb_signed_64, _do_putb64, |
| 171 | _do_getb32, _do_getb_signed_32, _do_putb32, |
| 172 | _do_getb16, _do_getb_signed_16, _do_putb16, /* data */ |
| 173 | _do_getb64, _do_getb_signed_64, _do_putb64, |
| 174 | _do_getb32, _do_getb_signed_32, _do_putb32, |
| 175 | _do_getb16, _do_getb_signed_16, _do_putb16, /* hdrs */ |
| 176 | |
| 177 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |
| 178 | bfd_generic_archive_p, _bfd_dummy_target}, |
| 179 | {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ |
| 180 | bfd_false}, |
| 181 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ |
| 182 | _bfd_write_archive_contents, bfd_false}, |
| 183 | |
| 184 | JUMP_TABLE(coff), |
| 185 | COFF_SWAP_TABLE, |
| 186 | }; |