1 /* coff information for Apollo M68K 2 3 Copyright (C) 2001-2014 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_AOUTHDR 21 #define L_LNNO_SIZE 2 22 #include "coff/external.h" 23 24 /* Motorola 68000/68008/68010/68020 */ 25 #define MC68MAGIC 0520 26 #define MC68KWRMAGIC 0520 /* writeable text segments */ 27 #define MC68TVMAGIC 0521 28 #define MC68KROMAGIC 0521 /* readonly shareable text segments */ 29 #define MC68KPGMAGIC 0522 /* demand paged text segments */ 30 #define M68MAGIC 0210 31 #define M68TVMAGIC 0211 32 33 /* Apollo 68000-based machines have a different magic number. This comes 34 * from /usr/include/apollo/filehdr.h 35 */ 36 #define APOLLOM68KMAGIC 0627 37 38 #define OMAGIC M68MAGIC 39 #define M68KBADMAG(x) (((x).f_magic!=MC68MAGIC) && ((x).f_magic!=MC68KWRMAGIC) && ((x).f_magic!=MC68TVMAGIC) && \ 40 ((x).f_magic!=MC68KROMAGIC) && ((x).f_magic!=MC68KPGMAGIC) && ((x).f_magic!=M68MAGIC) && ((x).f_magic!=M68TVMAGIC) && \ 41 ((x).f_magic!=APOLLOM68KMAGIC) ) 42 43 /********************** AOUT "OPTIONAL HEADER" **********************/ 44 45 typedef struct 46 { 47 char magic[2]; /* type of file */ 48 char vstamp[2]; /* version stamp */ 49 char tsize[4]; /* text size in bytes, padded to FW bdry*/ 50 char dsize[4]; /* initialized data " " */ 51 char bsize[4]; /* uninitialized data " " */ 52 char entry[4]; /* entry pt. */ 53 char text_start[4]; /* base of text used for this file */ 54 char data_start[4]; /* base of data used for this file */ 55 char o_sri[4]; /* Apollo specific - .sri data pointer */ 56 char o_inlib[4]; /* Apollo specific - .inlib data pointer */ 57 char vid[8]; /* Apollo specific - 64 bit version ID */ 58 } 59 AOUTHDR; 60 61 #define APOLLO_COFF_VERSION_NUMBER 1 /* the value of the aouthdr magic */ 62 #define AOUTHDRSZ 44 63 #define AOUTSZ 44 64 65 /* Apollo allowa for larger section names by allowing 66 them to be in the string table. */ 67 68 /* If s_zeores is all zeroes, s_offset gives the real 69 location of the name in the string table. */ 70 71 #define s_zeroes section_name.s_name 72 #define s_offset (section_name.s_name+4) 73 74 /* More names of "special" sections. */ 75 #define _TV ".tv" 76 #define _INIT ".init" 77 #define _FINI ".fini" 78 #define _LINES ".lines" 79 #define _BLOCKS ".blocks" 80 #define _SRI ".sri" /* Static Resource Information (systype, 81 et al.) */ 82 #define _MIR ".mir" /* Module Information Records */ 83 #define _APTV ".aptv" /* Apollo-style transfer vectors. */ 84 #define _INLIB ".inlib" /* Shared Library information */ 85 #define _RWDI ".rwdi" /* Read/write data initialization directives for 86 compressed sections */ 87 #define _UNWIND ".unwind" /* Stack unwind information */ 88 89 /********************** RELOCATION DIRECTIVES **********************/ 90 91 struct external_reloc 92 { 93 char r_vaddr[4]; 94 char r_symndx[4]; 95 char r_type[2]; 96 #ifdef M68K_COFF_OFFSET 97 char r_offset[4]; 98 #endif 99 100 }; 101 102 #define RELOC struct external_reloc 103 104 #ifdef M68K_COFF_OFFSET 105 #define RELSZ 14 106 #else 107 #define RELSZ 10 108 #endif 109 110 /* Apollo specific STYP flags */ 111 112 #define STYP_RELOCATED_NOT_LOADED 0x00010000 /* Section is relocated normally during linking, but need 113 not be loaded during program execution */ 114 #define STYP_DEBUG 0x00020000 /* debug section */ 115 #define STYP_OVERLAY 0x00040000 /* Section is overlayed */ 116 #define STYP_INSTRUCTION 0x00200000 /* Section contains executable code */ 117 118 #define STYP_ZERO 0x00800000 /* Section is initialized to zero */ 119 #define STYP_INSTALLED 0x02000000 /* Section should be installable in KGT */ 120 #define STYP_LOOK_INSTALLED 0x04000000 /* Look for section in KGT */ 121 #define STYP_SECALIGN1 0x08000000 /* Specially aligned section */ 122 #define STYP_SECALIGN2 0x10000000 /* " " " */ 123 #define STYP_COMPRESSED 0x20000000 /* No section data per se (s_scnptr = 0), but there are 124 initialization directives for it in .rwdi section 125 (used in conjunction with STYP_BSS) */ 126
