| 1 | /* coff information for Apollo M68K |
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| 2 | |
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| 3 | Copyright 2001, 2010 Free Software Foundation, Inc. |
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| 4 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 43 | /********************** AOUT "OPTIONAL HEADER" **********************/ |
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| 44 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 89 | /********************** RELOCATION DIRECTIVES **********************/ |
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| 90 | |
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| 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 | |
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| 100 | }; |
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| 101 | |
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| 102 | #define RELOC struct external_reloc |
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| 103 | |
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| 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 | |
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| 110 | /* Apollo specific STYP flags */ |
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| 111 | |
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| 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 | |
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| 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) */ |
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