1172302Spjd/* coff information for Apollo M68K 2172302Spjd 3172302Spjd Copyright 2001 Free Software Foundation, Inc. 4172302Spjd 5172302Spjd This program is free software; you can redistribute it and/or modify 6172302Spjd it under the terms of the GNU General Public License as published by 7172302Spjd the Free Software Foundation; either version 2 of the License, or 8172302Spjd (at your option) any later version. 9172302Spjd 10172302Spjd This program is distributed in the hope that it will be useful, 11172302Spjd but WITHOUT ANY WARRANTY; without even the implied warranty of 12172302Spjd MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13172302Spjd GNU General Public License for more details. 14172302Spjd 15172302Spjd You should have received a copy of the GNU General Public License 16172302Spjd along with this program; if not, write to the Free Software 17172302Spjd Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 18172302Spjd 19172302Spjd#define DO_NOT_DEFINE_AOUTHDR 20172302Spjd#define L_LNNO_SIZE 2 21172302Spjd#include "coff/external.h" 22172302Spjd 23172302Spjd/* Motorola 68000/68008/68010/68020 */ 24172302Spjd#define MC68MAGIC 0520 25172302Spjd#define MC68KWRMAGIC 0520 /* writeable text segments */ 26172302Spjd#define MC68TVMAGIC 0521 27172302Spjd#define MC68KROMAGIC 0521 /* readonly shareable text segments */ 28172302Spjd#define MC68KPGMAGIC 0522 /* demand paged text segments */ 29172302Spjd#define M68MAGIC 0210 30172302Spjd#define M68TVMAGIC 0211 31172302Spjd 32172302Spjd/* Apollo 68000-based machines have a different magic number. This comes 33172302Spjd * from /usr/include/apollo/filehdr.h 34172302Spjd */ 35172302Spjd#define APOLLOM68KMAGIC 0627 36172302Spjd 37172302Spjd#define OMAGIC M68MAGIC 38172302Spjd#define M68KBADMAG(x) (((x).f_magic!=MC68MAGIC) && ((x).f_magic!=MC68KWRMAGIC) && ((x).f_magic!=MC68TVMAGIC) && \ 39172302Spjd ((x).f_magic!=MC68KROMAGIC) && ((x).f_magic!=MC68KPGMAGIC) && ((x).f_magic!=M68MAGIC) && ((x).f_magic!=M68TVMAGIC) && \ 40172302Spjd ((x).f_magic!=APOLLOM68KMAGIC) ) 41172302Spjd 42172302Spjd/********************** AOUT "OPTIONAL HEADER" **********************/ 43172302Spjd 44172302Spjdtypedef struct 45172302Spjd{ 46172302Spjd char magic[2]; /* type of file */ 47172302Spjd char vstamp[2]; /* version stamp */ 48172302Spjd char tsize[4]; /* text size in bytes, padded to FW bdry*/ 49172302Spjd char dsize[4]; /* initialized data " " */ 50172302Spjd char bsize[4]; /* uninitialized data " " */ 51172302Spjd char entry[4]; /* entry pt. */ 52172302Spjd char text_start[4]; /* base of text used for this file */ 53172302Spjd char data_start[4]; /* base of data used for this file */ 54172302Spjd char o_sri[4]; /* Apollo specific - .sri data pointer */ 55172302Spjd char o_inlib[4]; /* Apollo specific - .inlib data pointer */ 56172302Spjd char vid[8]; /* Apollo specific - 64 bit version ID */ 57172302Spjd} 58172302SpjdAOUTHDR; 59172302Spjd 60172302Spjd#define APOLLO_COFF_VERSION_NUMBER 1 /* the value of the aouthdr magic */ 61172302Spjd#define AOUTHDRSZ 44 62172302Spjd#define AOUTSZ 44 63172302Spjd 64172302Spjd/* Apollo allowa for larger section names by allowing 65172302Spjd them to be in the string table. */ 66172302Spjd 67172302Spjd/* If s_zeores is all zeroes, s_offset gives the real 68172302Spjd location of the name in the string table. */ 69172302Spjd 70172302Spjd#define s_zeroes section_name.s_name 71172302Spjd#define s_offset (section_name.s_name+4) 72172302Spjd 73172302Spjd/* More names of "special" sections. */ 74172302Spjd#define _TV ".tv" 75172302Spjd#define _INIT ".init" 76172302Spjd#define _FINI ".fini" 77172302Spjd#define _LINES ".lines" 78172302Spjd#define _BLOCKS ".blocks" 79172302Spjd#define _SRI ".sri" /* Static Resource Information (systype, 80172302Spjd et al.) */ 81172302Spjd#define _MIR ".mir" /* Module Information Records */ 82172302Spjd#define _APTV ".aptv" /* Apollo-style transfer vectors. */ 83172302Spjd#define _INLIB ".inlib" /* Shared Library information */ 84172302Spjd#define _RWDI ".rwdi" /* Read/write data initialization directives for 85172302Spjd compressed sections */ 86172302Spjd#define _UNWIND ".unwind" /* Stack unwind information */ 87172302Spjd 88172302Spjd/********************** RELOCATION DIRECTIVES **********************/ 89172302Spjd 90172302Spjdstruct external_reloc 91172302Spjd{ 92172302Spjd char r_vaddr[4]; 93172302Spjd char r_symndx[4]; 94172302Spjd char r_type[2]; 95172302Spjd#ifdef M68K_COFF_OFFSET 96172302Spjd char r_offset[4]; 97172302Spjd#endif 98172302Spjd 99172302Spjd}; 100172302Spjd 101172302Spjd#define RELOC struct external_reloc 102172302Spjd 103172302Spjd#ifdef M68K_COFF_OFFSET 104172302Spjd#define RELSZ 14 105172302Spjd#else 106172302Spjd#define RELSZ 10 107172302Spjd#endif 108172302Spjd 109172302Spjd/* Apollo specific STYP flags */ 110172302Spjd 111172302Spjd#define STYP_RELOCATED_NOT_LOADED 0x00010000 /* Section is relocated normally during linking, but need 112172302Spjd not be loaded during program execution */ 113172302Spjd#define STYP_DEBUG 0x00020000 /* debug section */ 114172302Spjd#define STYP_OVERLAY 0x00040000 /* Section is overlayed */ 115172302Spjd#define STYP_INSTRUCTION 0x00200000 /* Section contains executable code */ 116172302Spjd 117172302Spjd#define STYP_ZERO 0x00800000 /* Section is initialized to zero */ 118172302Spjd#define STYP_INSTALLED 0x02000000 /* Section should be installable in KGT */ 119172302Spjd#define STYP_LOOK_INSTALLED 0x04000000 /* Look for section in KGT */ 120172302Spjd#define STYP_SECALIGN1 0x08000000 /* Specially aligned section */ 121172302Spjd#define STYP_SECALIGN2 0x10000000 /* " " " */ 122172302Spjd#define STYP_COMPRESSED 0x20000000 /* No section data per se (s_scnptr = 0), but there are 123172302Spjd initialization directives for it in .rwdi section 124172302Spjd (used in conjunction with STYP_BSS) */ 125172302Spjd