1*3d8817e4Smiod /* coff information for Apollo M68K 2*3d8817e4Smiod 3*3d8817e4Smiod Copyright 2001 Free Software Foundation, Inc. 4*3d8817e4Smiod 5*3d8817e4Smiod This program is free software; you can redistribute it and/or modify 6*3d8817e4Smiod it under the terms of the GNU General Public License as published by 7*3d8817e4Smiod the Free Software Foundation; either version 2 of the License, or 8*3d8817e4Smiod (at your option) any later version. 9*3d8817e4Smiod 10*3d8817e4Smiod This program is distributed in the hope that it will be useful, 11*3d8817e4Smiod but WITHOUT ANY WARRANTY; without even the implied warranty of 12*3d8817e4Smiod MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13*3d8817e4Smiod GNU General Public License for more details. 14*3d8817e4Smiod 15*3d8817e4Smiod You should have received a copy of the GNU General Public License 16*3d8817e4Smiod along with this program; if not, write to the Free Software 17*3d8817e4Smiod Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 18*3d8817e4Smiod 19*3d8817e4Smiod #define DO_NOT_DEFINE_AOUTHDR 20*3d8817e4Smiod #define L_LNNO_SIZE 2 21*3d8817e4Smiod #include "coff/external.h" 22*3d8817e4Smiod 23*3d8817e4Smiod /* Motorola 68000/68008/68010/68020 */ 24*3d8817e4Smiod #define MC68MAGIC 0520 25*3d8817e4Smiod #define MC68KWRMAGIC 0520 /* writeable text segments */ 26*3d8817e4Smiod #define MC68TVMAGIC 0521 27*3d8817e4Smiod #define MC68KROMAGIC 0521 /* readonly shareable text segments */ 28*3d8817e4Smiod #define MC68KPGMAGIC 0522 /* demand paged text segments */ 29*3d8817e4Smiod #define M68MAGIC 0210 30*3d8817e4Smiod #define M68TVMAGIC 0211 31*3d8817e4Smiod 32*3d8817e4Smiod /* Apollo 68000-based machines have a different magic number. This comes 33*3d8817e4Smiod * from /usr/include/apollo/filehdr.h 34*3d8817e4Smiod */ 35*3d8817e4Smiod #define APOLLOM68KMAGIC 0627 36*3d8817e4Smiod 37*3d8817e4Smiod #define OMAGIC M68MAGIC 38*3d8817e4Smiod #define M68KBADMAG(x) (((x).f_magic!=MC68MAGIC) && ((x).f_magic!=MC68KWRMAGIC) && ((x).f_magic!=MC68TVMAGIC) && \ 39*3d8817e4Smiod ((x).f_magic!=MC68KROMAGIC) && ((x).f_magic!=MC68KPGMAGIC) && ((x).f_magic!=M68MAGIC) && ((x).f_magic!=M68TVMAGIC) && \ 40*3d8817e4Smiod ((x).f_magic!=APOLLOM68KMAGIC) ) 41*3d8817e4Smiod 42*3d8817e4Smiod /********************** AOUT "OPTIONAL HEADER" **********************/ 43*3d8817e4Smiod 44*3d8817e4Smiod typedef struct 45*3d8817e4Smiod { 46*3d8817e4Smiod char magic[2]; /* type of file */ 47*3d8817e4Smiod char vstamp[2]; /* version stamp */ 48*3d8817e4Smiod char tsize[4]; /* text size in bytes, padded to FW bdry*/ 49*3d8817e4Smiod char dsize[4]; /* initialized data " " */ 50*3d8817e4Smiod char bsize[4]; /* uninitialized data " " */ 51*3d8817e4Smiod char entry[4]; /* entry pt. */ 52*3d8817e4Smiod char text_start[4]; /* base of text used for this file */ 53*3d8817e4Smiod char data_start[4]; /* base of data used for this file */ 54*3d8817e4Smiod char o_sri[4]; /* Apollo specific - .sri data pointer */ 55*3d8817e4Smiod char o_inlib[4]; /* Apollo specific - .inlib data pointer */ 56*3d8817e4Smiod char vid[8]; /* Apollo specific - 64 bit version ID */ 57*3d8817e4Smiod } 58*3d8817e4Smiod AOUTHDR; 59*3d8817e4Smiod 60*3d8817e4Smiod #define APOLLO_COFF_VERSION_NUMBER 1 /* the value of the aouthdr magic */ 61*3d8817e4Smiod #define AOUTHDRSZ 44 62*3d8817e4Smiod #define AOUTSZ 44 63*3d8817e4Smiod 64*3d8817e4Smiod /* Apollo allowa for larger section names by allowing 65*3d8817e4Smiod them to be in the string table. */ 66*3d8817e4Smiod 67*3d8817e4Smiod /* If s_zeores is all zeroes, s_offset gives the real 68*3d8817e4Smiod location of the name in the string table. */ 69*3d8817e4Smiod 70*3d8817e4Smiod #define s_zeroes section_name.s_name 71*3d8817e4Smiod #define s_offset (section_name.s_name+4) 72*3d8817e4Smiod 73*3d8817e4Smiod /* More names of "special" sections. */ 74*3d8817e4Smiod #define _TV ".tv" 75*3d8817e4Smiod #define _INIT ".init" 76*3d8817e4Smiod #define _FINI ".fini" 77*3d8817e4Smiod #define _LINES ".lines" 78*3d8817e4Smiod #define _BLOCKS ".blocks" 79*3d8817e4Smiod #define _SRI ".sri" /* Static Resource Information (systype, 80*3d8817e4Smiod et al.) */ 81*3d8817e4Smiod #define _MIR ".mir" /* Module Information Records */ 82*3d8817e4Smiod #define _APTV ".aptv" /* Apollo-style transfer vectors. */ 83*3d8817e4Smiod #define _INLIB ".inlib" /* Shared Library information */ 84*3d8817e4Smiod #define _RWDI ".rwdi" /* Read/write data initialization directives for 85*3d8817e4Smiod compressed sections */ 86*3d8817e4Smiod #define _UNWIND ".unwind" /* Stack unwind information */ 87*3d8817e4Smiod 88*3d8817e4Smiod /********************** RELOCATION DIRECTIVES **********************/ 89*3d8817e4Smiod 90*3d8817e4Smiod struct external_reloc 91*3d8817e4Smiod { 92*3d8817e4Smiod char r_vaddr[4]; 93*3d8817e4Smiod char r_symndx[4]; 94*3d8817e4Smiod char r_type[2]; 95*3d8817e4Smiod #ifdef M68K_COFF_OFFSET 96*3d8817e4Smiod char r_offset[4]; 97*3d8817e4Smiod #endif 98*3d8817e4Smiod 99*3d8817e4Smiod }; 100*3d8817e4Smiod 101*3d8817e4Smiod #define RELOC struct external_reloc 102*3d8817e4Smiod 103*3d8817e4Smiod #ifdef M68K_COFF_OFFSET 104*3d8817e4Smiod #define RELSZ 14 105*3d8817e4Smiod #else 106*3d8817e4Smiod #define RELSZ 10 107*3d8817e4Smiod #endif 108*3d8817e4Smiod 109*3d8817e4Smiod /* Apollo specific STYP flags */ 110*3d8817e4Smiod 111*3d8817e4Smiod #define STYP_RELOCATED_NOT_LOADED 0x00010000 /* Section is relocated normally during linking, but need 112*3d8817e4Smiod not be loaded during program execution */ 113*3d8817e4Smiod #define STYP_DEBUG 0x00020000 /* debug section */ 114*3d8817e4Smiod #define STYP_OVERLAY 0x00040000 /* Section is overlayed */ 115*3d8817e4Smiod #define STYP_INSTRUCTION 0x00200000 /* Section contains executable code */ 116*3d8817e4Smiod 117*3d8817e4Smiod #define STYP_ZERO 0x00800000 /* Section is initialized to zero */ 118*3d8817e4Smiod #define STYP_INSTALLED 0x02000000 /* Section should be installable in KGT */ 119*3d8817e4Smiod #define STYP_LOOK_INSTALLED 0x04000000 /* Look for section in KGT */ 120*3d8817e4Smiod #define STYP_SECALIGN1 0x08000000 /* Specially aligned section */ 121*3d8817e4Smiod #define STYP_SECALIGN2 0x10000000 /* " " " */ 122*3d8817e4Smiod #define STYP_COMPRESSED 0x20000000 /* No section data per se (s_scnptr = 0), but there are 123*3d8817e4Smiod initialization directives for it in .rwdi section 124*3d8817e4Smiod (used in conjunction with STYP_BSS) */ 125