125 lines
4.6 KiB
C
125 lines
4.6 KiB
C
/* coff information for Apollo M68K
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Copyright (C) 2001-2014 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#define DO_NOT_DEFINE_AOUTHDR
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#define L_LNNO_SIZE 2
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#include "coff/external.h"
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/* Motorola 68000/68008/68010/68020 */
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#define MC68MAGIC 0520
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#define MC68KWRMAGIC 0520 /* writeable text segments */
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#define MC68TVMAGIC 0521
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#define MC68KROMAGIC 0521 /* readonly shareable text segments */
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#define MC68KPGMAGIC 0522 /* demand paged text segments */
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#define M68MAGIC 0210
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#define M68TVMAGIC 0211
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/* Apollo 68000-based machines have a different magic number. This comes
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* from /usr/include/apollo/filehdr.h
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*/
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#define APOLLOM68KMAGIC 0627
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#define OMAGIC M68MAGIC
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#define M68KBADMAG(x) (((x).f_magic!=MC68MAGIC) && ((x).f_magic!=MC68KWRMAGIC) && ((x).f_magic!=MC68TVMAGIC) && \
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((x).f_magic!=MC68KROMAGIC) && ((x).f_magic!=MC68KPGMAGIC) && ((x).f_magic!=M68MAGIC) && ((x).f_magic!=M68TVMAGIC) && \
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((x).f_magic!=APOLLOM68KMAGIC) )
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/********************** AOUT "OPTIONAL HEADER" **********************/
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typedef struct
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{
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char magic[2]; /* type of file */
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char vstamp[2]; /* version stamp */
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char tsize[4]; /* text size in bytes, padded to FW bdry*/
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char dsize[4]; /* initialized data " " */
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char bsize[4]; /* uninitialized data " " */
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char entry[4]; /* entry pt. */
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char text_start[4]; /* base of text used for this file */
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char data_start[4]; /* base of data used for this file */
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char o_sri[4]; /* Apollo specific - .sri data pointer */
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char o_inlib[4]; /* Apollo specific - .inlib data pointer */
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char vid[8]; /* Apollo specific - 64 bit version ID */
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}
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AOUTHDR;
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#define APOLLO_COFF_VERSION_NUMBER 1 /* the value of the aouthdr magic */
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#define AOUTHDRSZ 44
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#define AOUTSZ 44
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/* Apollo allowa for larger section names by allowing
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them to be in the string table. */
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/* If s_zeores is all zeroes, s_offset gives the real
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location of the name in the string table. */
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#define s_zeroes section_name.s_name
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#define s_offset (section_name.s_name+4)
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/* More names of "special" sections. */
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#define _TV ".tv"
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#define _INIT ".init"
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#define _FINI ".fini"
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#define _LINES ".lines"
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#define _BLOCKS ".blocks"
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#define _SRI ".sri" /* Static Resource Information (systype,
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et al.) */
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#define _MIR ".mir" /* Module Information Records */
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#define _APTV ".aptv" /* Apollo-style transfer vectors. */
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#define _INLIB ".inlib" /* Shared Library information */
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#define _RWDI ".rwdi" /* Read/write data initialization directives for
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compressed sections */
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#define _UNWIND ".unwind" /* Stack unwind information */
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/********************** RELOCATION DIRECTIVES **********************/
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struct external_reloc
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{
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char r_vaddr[4];
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char r_symndx[4];
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char r_type[2];
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#ifdef M68K_COFF_OFFSET
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char r_offset[4];
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#endif
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};
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#define RELOC struct external_reloc
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#ifdef M68K_COFF_OFFSET
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#define RELSZ 14
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#else
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#define RELSZ 10
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#endif
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/* Apollo specific STYP flags */
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#define STYP_RELOCATED_NOT_LOADED 0x00010000 /* Section is relocated normally during linking, but need
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not be loaded during program execution */
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#define STYP_DEBUG 0x00020000 /* debug section */
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#define STYP_OVERLAY 0x00040000 /* Section is overlayed */
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#define STYP_INSTRUCTION 0x00200000 /* Section contains executable code */
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#define STYP_ZERO 0x00800000 /* Section is initialized to zero */
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#define STYP_INSTALLED 0x02000000 /* Section should be installable in KGT */
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#define STYP_LOOK_INSTALLED 0x04000000 /* Look for section in KGT */
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#define STYP_SECALIGN1 0x08000000 /* Specially aligned section */
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#define STYP_SECALIGN2 0x10000000 /* " " " */
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#define STYP_COMPRESSED 0x20000000 /* No section data per se (s_scnptr = 0), but there are
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initialization directives for it in .rwdi section
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(used in conjunction with STYP_BSS) */
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