| 1 | /* Motorola 88000 COFF support ("Binary Compatability Standard") for BFD. |
| 2 | Copyright (C) 1990-1991 Free Software Foundation, Inc. |
| 3 | Written by Cygnus Support. |
| 4 | |
| 5 | This file is part of BFD, the Binary File Descriptor library. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 20 | |
| 21 | #define M88 1 /* Customize various include files */ |
| 22 | #include "bfd.h" |
| 23 | #include "sysdep.h" |
| 24 | #include "libbfd.h" |
| 25 | #include "obstack.h" |
| 26 | #include "coff/m88k.h" |
| 27 | #include "coff/internal.h" |
| 28 | #include "libcoff.h" |
| 29 | #undef HOWTO_PREPARE |
| 30 | /* Provided the symbol, returns the value reffed */ |
| 31 | #define HOWTO_PREPARE(relocation, symbol) \ |
| 32 | { \ |
| 33 | if (symbol != (asymbol *)NULL) { \ |
| 34 | if (symbol->section == &bfd_com_section) { \ |
| 35 | relocation = 0; \ |
| 36 | } \ |
| 37 | else { \ |
| 38 | relocation = symbol->value; \ |
| 39 | } \ |
| 40 | } \ |
| 41 | if (symbol->section != (asection *)NULL) { \ |
| 42 | relocation += symbol->section->output_section->vma + \ |
| 43 | symbol->section->output_offset; \ |
| 44 | } \ |
| 45 | } |
| 46 | |
| 47 | |
| 48 | |
| 49 | static bfd_reloc_status_type |
| 50 | DEFUN(howto_hvrt16,(abfd, reloc_entry, symbol_in, data, |
| 51 | ignore_input_section, ignore_bfd), |
| 52 | bfd *abfd AND |
| 53 | arelent *reloc_entry AND |
| 54 | asymbol *symbol_in AND |
| 55 | PTR data AND |
| 56 | asection *ignore_input_section AND |
| 57 | bfd *ignore_bfd) |
| 58 | { |
| 59 | long relocation = 0; |
| 60 | bfd_vma addr = reloc_entry->address; |
| 61 | long x = bfd_get_16(abfd, (bfd_byte *)data + addr); |
| 62 | |
| 63 | HOWTO_PREPARE(relocation, symbol_in); |
| 64 | |
| 65 | x = (x + relocation + reloc_entry->addend) >> 16; |
| 66 | |
| 67 | bfd_put_16(abfd, x, (bfd_byte *)data + addr); |
| 68 | return bfd_reloc_ok; |
| 69 | } |
| 70 | |
| 71 | |
| 72 | |
| 73 | static reloc_howto_type howto_table[] = |
| 74 | { |
| 75 | HOWTO(R_PCR16L,02,1,16,true, 0,false,true,0,"PCR16L",false,0x0000ffff,0x0000ffff,true), |
| 76 | HOWTO(R_PCR26L,02,2,16,true, 0,false,true,0,"PCR26L",false,0x03ffffff,0x03ffffff,true), |
| 77 | HOWTO(R_VRT16, 00,1,16,false,0,false,true,0,"VRT16", false,0x0000ffff,0x0000ffff,true), |
| 78 | HOWTO(R_HVRT16,16,1,16,false,0,false,true,howto_hvrt16,"HVRT16",false,0x0000ffff,0x0000ffff,true), |
| 79 | HOWTO(R_LVRT16,00,1,16,false,0,false,true,0,"LVRT16",false,0x0000ffff,0x0000ffff,true), |
| 80 | HOWTO(R_VRT32, 00,2,32,false,0,false,true,0,"VRT32", false,0xffffffff,0xffffffff,true), |
| 81 | }; |
| 82 | |
| 83 | |
| 84 | /* Code to swap in the reloc offset */ |
| 85 | #define SWAP_IN_RELOC_OFFSET bfd_h_get_16 |
| 86 | #define SWAP_OUT_RELOC_OFFSET bfd_h_put_16 |
| 87 | |
| 88 | |
| 89 | /* Code to turn an external r_type into a pointer to an entry in the |
| 90 | above howto table */ |
| 91 | #define RTYPE2HOWTO(cache_ptr, dst) \ |
| 92 | if ((dst)->r_type >= R_PCR16L && (dst)->r_type <= R_VRT32) {\ |
| 93 | cache_ptr->howto = howto_table + (dst)->r_type - R_PCR16L;\ |
| 94 | cache_ptr->addend += (dst)->r_offset << 16; \ |
| 95 | } \ |
| 96 | else { \ |
| 97 | BFD_ASSERT(0); \ |
| 98 | } |
| 99 | |
| 100 | |
| 101 | |
| 102 | #define BADMAG(x) MC88BADMAG(x) |
| 103 | #include "coffcode.h" |
| 104 | |
| 105 | #undef coff_write_armap |
| 106 | |
| 107 | bfd_target m88kbcs_vec = |
| 108 | { |
| 109 | "coff-m88kbcs", /* name */ |
| 110 | bfd_target_coff_flavour, |
| 111 | true, /* data byte order is big */ |
| 112 | true, /* header byte order is big */ |
| 113 | |
| 114 | (HAS_RELOC | EXEC_P | /* object flags */ |
| 115 | HAS_LINENO | HAS_DEBUG | |
| 116 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), |
| 117 | |
| 118 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
| 119 | 0, /* leading underscore */ |
| 120 | '/', /* ar_pad_char */ |
| 121 | 15, /* ar_max_namelen */ |
| 122 | 3, /* default alignment power */ |
| 123 | _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */ |
| 124 | _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */ |
| 125 | |
| 126 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |
| 127 | bfd_generic_archive_p, _bfd_dummy_target}, |
| 128 | {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ |
| 129 | bfd_false}, |
| 130 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ |
| 131 | _bfd_write_archive_contents, bfd_false}, |
| 132 | |
| 133 | JUMP_TABLE(coff), |
| 134 | COFF_SWAP_TABLE |
| 135 | }; |