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Rev | Author | Line No. | Line |
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5191 | serge | 1 | /* coff information for 88k bcs |
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6324 | serge | 3 | Copyright (C) 2001-2015 Free Software Foundation, Inc. |
5191 | serge | 4 | |
5 | This program is free software; you can redistribute it and/or modify |
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6 | it under the terms of the GNU General Public License as published by |
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7 | the Free Software Foundation; either version 3 of the License, or |
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8 | (at your option) any later version. |
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9 | |||
10 | This program is distributed in the hope that it will be useful, |
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | GNU General Public License for more details. |
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14 | |||
15 | You should have received a copy of the GNU General Public License |
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16 | along with this program; if not, write to the Free Software |
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17 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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18 | MA 02110-1301, USA. */ |
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19 | |||
20 | #define DO_NOT_DEFINE_SCNHDR |
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21 | #define L_LNNO_SIZE 4 |
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22 | #define DO_NOT_DEFINE_SYMENT |
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23 | #define DO_NOT_DEFINE_AUXENT |
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24 | #include "coff/external.h" |
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25 | |||
26 | #define MC88MAGIC 0540 /* 88k BCS executable */ |
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27 | #define MC88DMAGIC 0541 /* DG/UX executable */ |
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28 | #define MC88OMAGIC 0555 /* Object file */ |
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29 | |||
30 | #define MC88BADMAG(x) (((x).f_magic != MC88MAGIC) \ |
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31 | && ((x).f_magic != MC88DMAGIC) \ |
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32 | && ((x).f_magic != MC88OMAGIC)) |
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33 | |||
34 | #define PAGEMAGIC3 0414 /* Split i&d, zero mapped */ |
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35 | #define PAGEMAGICBCS 0413 |
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36 | |||
37 | /********************** SECTION HEADER **********************/ |
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38 | |||
39 | struct external_scnhdr |
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40 | { |
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41 | char s_name[8]; /* section name */ |
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42 | char s_paddr[4]; /* physical address, aliased s_nlib */ |
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43 | char s_vaddr[4]; /* virtual address */ |
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44 | char s_size[4]; /* section size */ |
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45 | char s_scnptr[4]; /* file ptr to raw data for section */ |
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46 | char s_relptr[4]; /* file ptr to relocation */ |
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47 | char s_lnnoptr[4]; /* file ptr to line numbers */ |
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48 | char s_nreloc[4]; /* number of relocation entries */ |
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49 | char s_nlnno[4]; /* number of line number entries*/ |
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50 | char s_flags[4]; /* flags */ |
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51 | }; |
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52 | |||
53 | #define SCNHDR struct external_scnhdr |
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54 | #define SCNHSZ 44 |
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55 | |||
56 | /* Names of "special" sections. */ |
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57 | #define _TEXT ".text" |
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58 | #define _DATA ".data" |
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59 | #define _BSS ".bss" |
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60 | #define _COMMENT ".comment" |
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61 | |||
62 | |||
63 | /********************** SYMBOLS **********************/ |
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64 | |||
65 | #define E_SYMNMLEN 8 /* # characters in a symbol name */ |
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66 | #define E_FILNMLEN 14 /* # characters in a file name */ |
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67 | #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ |
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68 | |||
69 | struct external_syment |
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70 | { |
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71 | union |
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72 | { |
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73 | char e_name[E_SYMNMLEN]; |
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74 | |||
75 | struct |
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76 | { |
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77 | char e_zeroes[4]; |
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78 | char e_offset[4]; |
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79 | } e; |
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80 | |||
81 | } e; |
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82 | |||
83 | char e_value[4]; |
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84 | char e_scnum[2]; |
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85 | char e_type[2]; |
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86 | char e_sclass[1]; |
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87 | char e_numaux[1]; |
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88 | char pad2[2]; |
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89 | }; |
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90 | |||
91 | #define N_BTMASK 017 |
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92 | #define N_TMASK 060 |
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93 | #define N_BTSHFT 4 |
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94 | #define N_TSHIFT 2 |
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95 | |||
96 | /* Note that this isn't the same shape as other coffs */ |
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97 | union external_auxent |
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98 | { |
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99 | struct |
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100 | { |
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101 | char x_tagndx[4]; /* str, un, or enum tag indx */ |
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102 | /* 4 */ |
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103 | |||
104 | union |
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105 | { |
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106 | char x_fsize[4]; /* size of function */ |
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107 | |||
108 | struct |
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109 | { |
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110 | char x_lnno[4]; /* declaration line number */ |
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111 | char x_size[4]; /* str/union/array size */ |
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112 | } x_lnsz; |
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113 | |||
114 | } x_misc; |
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115 | |||
116 | /* 12 */ |
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117 | union |
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118 | { |
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119 | struct /* if ISFCN, tag, or .bb */ |
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120 | { |
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121 | char x_lnnoptr[4]; /* ptr to fcn line # */ |
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122 | char x_endndx[4]; /* entry ndx past block end */ |
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123 | } x_fcn; |
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124 | |||
125 | struct /* if ISARY, up to 4 dimen. */ |
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126 | { |
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127 | char x_dimen[E_DIMNUM][2]; |
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128 | } x_ary; |
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129 | |||
130 | } x_fcnary; |
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131 | /* 20 */ |
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132 | |||
133 | } x_sym; |
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134 | |||
135 | union |
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136 | { |
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137 | char x_fname[E_FILNMLEN]; |
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138 | |||
139 | struct |
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140 | { |
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141 | char x_zeroes[4]; |
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142 | char x_offset[4]; |
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143 | } x_n; |
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144 | |||
145 | } x_file; |
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146 | |||
147 | struct |
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148 | { |
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149 | char x_scnlen[4]; /* section length */ |
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150 | char x_nreloc[4]; /* # relocation entries */ |
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151 | char x_nlinno[4]; /* # line numbers */ |
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152 | } x_scn; |
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153 | |||
154 | struct |
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155 | { |
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156 | char x_tvfill[4]; /* tv fill value */ |
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157 | char x_tvlen[2]; /* length of .tv */ |
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158 | char x_tvran[2][2]; /* tv range */ |
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159 | } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ |
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160 | }; |
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161 | |||
162 | #define GET_LNSZ_SIZE(abfd, ext) \ |
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163 | H_GET_32 (abfd, ext->x_sym.x_misc.x_lnsz.x_size) |
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164 | #define GET_LNSZ_LNNO(abfd, ext) \ |
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165 | H_GET_32 (abfd, ext->x_sym.x_misc.x_lnsz.x_lnno) |
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166 | #define PUT_LNSZ_LNNO(abfd, in, ext) \ |
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167 | H_PUT_32 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_lnno) |
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168 | #define PUT_LNSZ_SIZE(abfd, in, ext) \ |
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169 | H_PUT_32 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_size) |
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170 | #define GET_SCN_NRELOC(abfd, ext) \ |
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171 | H_GET_32 (abfd, ext->x_scn.x_nreloc) |
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172 | #define GET_SCN_NLINNO(abfd, ext) \ |
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173 | H_GET_32 (abfd, ext->x_scn.x_nlinno) |
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174 | #define PUT_SCN_NRELOC(abfd, in, ext) \ |
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175 | H_PUT_32 (abfd, in, ext->x_scn.x_nreloc) |
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176 | #define PUT_SCN_NLINNO(abfd, in, ext) \ |
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177 | H_PUT_32 (abfd,in, ext->x_scn.x_nlinno) |
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178 | |||
179 | #define SYMENT struct external_syment |
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180 | #define SYMESZ 20 |
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181 | #define AUXENT union external_auxent |
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182 | #define AUXESZ 20 |
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183 | |||
184 | /********************** RELOCATION DIRECTIVES **********************/ |
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185 | |||
186 | struct external_reloc |
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187 | { |
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188 | char r_vaddr[4]; |
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189 | char r_symndx[4]; |
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190 | char r_type[2]; |
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191 | char r_offset[2]; |
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192 | }; |
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193 | |||
194 | #define RELOC struct external_reloc |
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195 | #define RELSZ 12 |
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196 | |||
197 | #define NO_TVNDX |