| 1 | /* coff information for 88k bcs |
| 2 | |
| 3 | Copyright (C) 2001-2018 Free Software Foundation, Inc. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 18 | MA 02110-1301, USA. */ |
| 19 | |
| 20 | #define DO_NOT_DEFINE_SCNHDR |
| 21 | #define L_LNNO_SIZE 4 |
| 22 | #define DO_NOT_DEFINE_SYMENT |
| 23 | #define DO_NOT_DEFINE_AUXENT |
| 24 | #include "coff/external.h" |
| 25 | |
| 26 | #define MC88MAGIC 0540 /* 88k BCS executable */ |
| 27 | #define MC88DMAGIC 0541 /* DG/UX executable */ |
| 28 | #define MC88OMAGIC 0555 /* Object file */ |
| 29 | |
| 30 | #define MC88BADMAG(x) (((x).f_magic != MC88MAGIC) \ |
| 31 | && ((x).f_magic != MC88DMAGIC) \ |
| 32 | && ((x).f_magic != MC88OMAGIC)) |
| 33 | |
| 34 | #define PAGEMAGIC3 0414 /* Split i&d, zero mapped */ |
| 35 | #define PAGEMAGICBCS 0413 |
| 36 | |
| 37 | /********************** SECTION HEADER **********************/ |
| 38 | |
| 39 | struct external_scnhdr |
| 40 | { |
| 41 | char s_name[8]; /* section name */ |
| 42 | char s_paddr[4]; /* physical address, aliased s_nlib */ |
| 43 | char s_vaddr[4]; /* virtual address */ |
| 44 | char s_size[4]; /* section size */ |
| 45 | char s_scnptr[4]; /* file ptr to raw data for section */ |
| 46 | char s_relptr[4]; /* file ptr to relocation */ |
| 47 | char s_lnnoptr[4]; /* file ptr to line numbers */ |
| 48 | char s_nreloc[4]; /* number of relocation entries */ |
| 49 | char s_nlnno[4]; /* number of line number entries*/ |
| 50 | char s_flags[4]; /* flags */ |
| 51 | }; |
| 52 | |
| 53 | #define SCNHDR struct external_scnhdr |
| 54 | #define SCNHSZ 44 |
| 55 | |
| 56 | /* Names of "special" sections. */ |
| 57 | #define _TEXT ".text" |
| 58 | #define _DATA ".data" |
| 59 | #define _BSS ".bss" |
| 60 | #define _COMMENT ".comment" |
| 61 | |
| 62 | |
| 63 | /********************** SYMBOLS **********************/ |
| 64 | |
| 65 | #define E_SYMNMLEN 8 /* # characters in a symbol name */ |
| 66 | #define E_FILNMLEN 14 /* # characters in a file name */ |
| 67 | #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ |
| 68 | |
| 69 | struct external_syment |
| 70 | { |
| 71 | union |
| 72 | { |
| 73 | char e_name[E_SYMNMLEN]; |
| 74 | |
| 75 | struct |
| 76 | { |
| 77 | char e_zeroes[4]; |
| 78 | char e_offset[4]; |
| 79 | } e; |
| 80 | |
| 81 | } e; |
| 82 | |
| 83 | char e_value[4]; |
| 84 | char e_scnum[2]; |
| 85 | char e_type[2]; |
| 86 | char e_sclass[1]; |
| 87 | char e_numaux[1]; |
| 88 | char pad2[2]; |
| 89 | }; |
| 90 | |
| 91 | #define N_BTMASK 017 |
| 92 | #define N_TMASK 060 |
| 93 | #define N_BTSHFT 4 |
| 94 | #define N_TSHIFT 2 |
| 95 | |
| 96 | /* Note that this isn't the same shape as other coffs */ |
| 97 | union external_auxent |
| 98 | { |
| 99 | struct |
| 100 | { |
| 101 | char x_tagndx[4]; /* str, un, or enum tag indx */ |
| 102 | /* 4 */ |
| 103 | |
| 104 | union |
| 105 | { |
| 106 | char x_fsize[4]; /* size of function */ |
| 107 | |
| 108 | struct |
| 109 | { |
| 110 | char x_lnno[4]; /* declaration line number */ |
| 111 | char x_size[4]; /* str/union/array size */ |
| 112 | } x_lnsz; |
| 113 | |
| 114 | } x_misc; |
| 115 | |
| 116 | /* 12 */ |
| 117 | union |
| 118 | { |
| 119 | struct /* if ISFCN, tag, or .bb */ |
| 120 | { |
| 121 | char x_lnnoptr[4]; /* ptr to fcn line # */ |
| 122 | char x_endndx[4]; /* entry ndx past block end */ |
| 123 | } x_fcn; |
| 124 | |
| 125 | struct /* if ISARY, up to 4 dimen. */ |
| 126 | { |
| 127 | char x_dimen[E_DIMNUM][2]; |
| 128 | } x_ary; |
| 129 | |
| 130 | } x_fcnary; |
| 131 | /* 20 */ |
| 132 | |
| 133 | } x_sym; |
| 134 | |
| 135 | union |
| 136 | { |
| 137 | char x_fname[E_FILNMLEN]; |
| 138 | |
| 139 | struct |
| 140 | { |
| 141 | char x_zeroes[4]; |
| 142 | char x_offset[4]; |
| 143 | } x_n; |
| 144 | |
| 145 | } x_file; |
| 146 | |
| 147 | struct |
| 148 | { |
| 149 | char x_scnlen[4]; /* section length */ |
| 150 | char x_nreloc[4]; /* # relocation entries */ |
| 151 | char x_nlinno[4]; /* # line numbers */ |
| 152 | } x_scn; |
| 153 | |
| 154 | struct |
| 155 | { |
| 156 | char x_tvfill[4]; /* tv fill value */ |
| 157 | char x_tvlen[2]; /* length of .tv */ |
| 158 | char x_tvran[2][2]; /* tv range */ |
| 159 | } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ |
| 160 | }; |
| 161 | |
| 162 | #define GET_LNSZ_SIZE(abfd, ext) \ |
| 163 | H_GET_32 (abfd, ext->x_sym.x_misc.x_lnsz.x_size) |
| 164 | #define GET_LNSZ_LNNO(abfd, ext) \ |
| 165 | H_GET_32 (abfd, ext->x_sym.x_misc.x_lnsz.x_lnno) |
| 166 | #define PUT_LNSZ_LNNO(abfd, in, ext) \ |
| 167 | H_PUT_32 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_lnno) |
| 168 | #define PUT_LNSZ_SIZE(abfd, in, ext) \ |
| 169 | H_PUT_32 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_size) |
| 170 | #define GET_SCN_NRELOC(abfd, ext) \ |
| 171 | H_GET_32 (abfd, ext->x_scn.x_nreloc) |
| 172 | #define GET_SCN_NLINNO(abfd, ext) \ |
| 173 | H_GET_32 (abfd, ext->x_scn.x_nlinno) |
| 174 | #define PUT_SCN_NRELOC(abfd, in, ext) \ |
| 175 | H_PUT_32 (abfd, in, ext->x_scn.x_nreloc) |
| 176 | #define PUT_SCN_NLINNO(abfd, in, ext) \ |
| 177 | H_PUT_32 (abfd,in, ext->x_scn.x_nlinno) |
| 178 | |
| 179 | #define SYMENT struct external_syment |
| 180 | #define SYMESZ 20 |
| 181 | #define AUXENT union external_auxent |
| 182 | #define AUXESZ 20 |
| 183 | |
| 184 | /********************** RELOCATION DIRECTIVES **********************/ |
| 185 | |
| 186 | struct external_reloc |
| 187 | { |
| 188 | char r_vaddr[4]; |
| 189 | char r_symndx[4]; |
| 190 | char r_type[2]; |
| 191 | char r_offset[2]; |
| 192 | }; |
| 193 | |
| 194 | #define RELOC struct external_reloc |
| 195 | #define RELSZ 12 |
| 196 | |
| 197 | #define NO_TVNDX |