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Rev | Author | Line No. | Line |
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5191 | serge | 1 | /* coff information for Apollo M68K |
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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_AOUTHDR |
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21 | #define L_LNNO_SIZE 2 |
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22 | #include "coff/external.h" |
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23 | |||
24 | /* Motorola 68000/68008/68010/68020 */ |
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25 | #define MC68MAGIC 0520 |
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26 | #define MC68KWRMAGIC 0520 /* writeable text segments */ |
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27 | #define MC68TVMAGIC 0521 |
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28 | #define MC68KROMAGIC 0521 /* readonly shareable text segments */ |
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29 | #define MC68KPGMAGIC 0522 /* demand paged text segments */ |
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30 | #define M68MAGIC 0210 |
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31 | #define M68TVMAGIC 0211 |
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32 | |||
33 | /* Apollo 68000-based machines have a different magic number. This comes |
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34 | * from /usr/include/apollo/filehdr.h |
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35 | */ |
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36 | #define APOLLOM68KMAGIC 0627 |
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37 | |||
38 | #define OMAGIC M68MAGIC |
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39 | #define M68KBADMAG(x) (((x).f_magic!=MC68MAGIC) && ((x).f_magic!=MC68KWRMAGIC) && ((x).f_magic!=MC68TVMAGIC) && \ |
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40 | ((x).f_magic!=MC68KROMAGIC) && ((x).f_magic!=MC68KPGMAGIC) && ((x).f_magic!=M68MAGIC) && ((x).f_magic!=M68TVMAGIC) && \ |
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41 | ((x).f_magic!=APOLLOM68KMAGIC) ) |
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42 | |||
43 | /********************** AOUT "OPTIONAL HEADER" **********************/ |
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44 | |||
45 | typedef struct |
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46 | { |
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47 | char magic[2]; /* type of file */ |
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48 | char vstamp[2]; /* version stamp */ |
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49 | char tsize[4]; /* text size in bytes, padded to FW bdry*/ |
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50 | char dsize[4]; /* initialized data " " */ |
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51 | char bsize[4]; /* uninitialized data " " */ |
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52 | char entry[4]; /* entry pt. */ |
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53 | char text_start[4]; /* base of text used for this file */ |
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54 | char data_start[4]; /* base of data used for this file */ |
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55 | char o_sri[4]; /* Apollo specific - .sri data pointer */ |
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56 | char o_inlib[4]; /* Apollo specific - .inlib data pointer */ |
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57 | char vid[8]; /* Apollo specific - 64 bit version ID */ |
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58 | } |
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59 | AOUTHDR; |
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60 | |||
61 | #define APOLLO_COFF_VERSION_NUMBER 1 /* the value of the aouthdr magic */ |
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62 | #define AOUTHDRSZ 44 |
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63 | #define AOUTSZ 44 |
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64 | |||
65 | /* Apollo allowa for larger section names by allowing |
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66 | them to be in the string table. */ |
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67 | |||
68 | /* If s_zeores is all zeroes, s_offset gives the real |
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69 | location of the name in the string table. */ |
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70 | |||
71 | #define s_zeroes section_name.s_name |
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72 | #define s_offset (section_name.s_name+4) |
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73 | |||
74 | /* More names of "special" sections. */ |
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75 | #define _TV ".tv" |
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76 | #define _INIT ".init" |
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77 | #define _FINI ".fini" |
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78 | #define _LINES ".lines" |
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79 | #define _BLOCKS ".blocks" |
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80 | #define _SRI ".sri" /* Static Resource Information (systype, |
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81 | et al.) */ |
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82 | #define _MIR ".mir" /* Module Information Records */ |
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83 | #define _APTV ".aptv" /* Apollo-style transfer vectors. */ |
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84 | #define _INLIB ".inlib" /* Shared Library information */ |
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85 | #define _RWDI ".rwdi" /* Read/write data initialization directives for |
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86 | compressed sections */ |
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87 | #define _UNWIND ".unwind" /* Stack unwind information */ |
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88 | |||
89 | /********************** RELOCATION DIRECTIVES **********************/ |
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90 | |||
91 | struct external_reloc |
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92 | { |
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93 | char r_vaddr[4]; |
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94 | char r_symndx[4]; |
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95 | char r_type[2]; |
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96 | #ifdef M68K_COFF_OFFSET |
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97 | char r_offset[4]; |
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98 | #endif |
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99 | |||
100 | }; |
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101 | |||
102 | #define RELOC struct external_reloc |
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103 | |||
104 | #ifdef M68K_COFF_OFFSET |
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105 | #define RELSZ 14 |
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106 | #else |
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107 | #define RELSZ 10 |
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108 | #endif |
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109 | |||
110 | /* Apollo specific STYP flags */ |
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111 | |||
112 | #define STYP_RELOCATED_NOT_LOADED 0x00010000 /* Section is relocated normally during linking, but need |
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113 | not be loaded during program execution */ |
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114 | #define STYP_DEBUG 0x00020000 /* debug section */ |
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115 | #define STYP_OVERLAY 0x00040000 /* Section is overlayed */ |
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116 | #define STYP_INSTRUCTION 0x00200000 /* Section contains executable code */ |
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117 | |||
118 | #define STYP_ZERO 0x00800000 /* Section is initialized to zero */ |
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119 | #define STYP_INSTALLED 0x02000000 /* Section should be installable in KGT */ |
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120 | #define STYP_LOOK_INSTALLED 0x04000000 /* Look for section in KGT */ |
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121 | #define STYP_SECALIGN1 0x08000000 /* Specially aligned section */ |
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122 | #define STYP_SECALIGN2 0x10000000 /* " " " */ |
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123 | #define STYP_COMPRESSED 0x20000000 /* No section data per se (s_scnptr = 0), but there are |
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124 | initialization directives for it in .rwdi section |
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125 | (used in conjunction with STYP_BSS) */ |