1 /* coff information for Apollo M68K
3 Copyright 2001 Free Software Foundation, Inc.
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 2 of the License, or
8 (at your option) any later version.
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.
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, MA 02110-1301, USA. */
19 #define DO_NOT_DEFINE_AOUTHDR
21 #include "coff/external.h"
23 /* Motorola 68000/68008/68010/68020 */
24 #define MC68MAGIC 0520
25 #define MC68KWRMAGIC 0520 /* writeable text segments */
26 #define MC68TVMAGIC 0521
27 #define MC68KROMAGIC 0521 /* readonly shareable text segments */
28 #define MC68KPGMAGIC 0522 /* demand paged text segments */
30 #define M68TVMAGIC 0211
32 /* Apollo 68000-based machines have a different magic number. This comes
33 * from /usr/include/apollo/filehdr.h
35 #define APOLLOM68KMAGIC 0627
37 #define OMAGIC M68MAGIC
38 #define M68KBADMAG(x) (((x).f_magic!=MC68MAGIC) && ((x).f_magic!=MC68KWRMAGIC) && ((x).f_magic!=MC68TVMAGIC) && \
39 ((x).f_magic!=MC68KROMAGIC) && ((x).f_magic!=MC68KPGMAGIC) && ((x).f_magic!=M68MAGIC) && ((x).f_magic!=M68TVMAGIC) && \
40 ((x).f_magic!=APOLLOM68KMAGIC) )
42 /********************** AOUT "OPTIONAL HEADER" **********************/
46 char magic
[2]; /* type of file */
47 char vstamp
[2]; /* version stamp */
48 char tsize
[4]; /* text size in bytes, padded to FW bdry*/
49 char dsize
[4]; /* initialized data " " */
50 char bsize
[4]; /* uninitialized data " " */
51 char entry
[4]; /* entry pt. */
52 char text_start
[4]; /* base of text used for this file */
53 char data_start
[4]; /* base of data used for this file */
54 char o_sri
[4]; /* Apollo specific - .sri data pointer */
55 char o_inlib
[4]; /* Apollo specific - .inlib data pointer */
56 char vid
[8]; /* Apollo specific - 64 bit version ID */
60 #define APOLLO_COFF_VERSION_NUMBER 1 /* the value of the aouthdr magic */
64 /* Apollo allowa for larger section names by allowing
65 them to be in the string table. */
67 /* If s_zeores is all zeroes, s_offset gives the real
68 location of the name in the string table. */
70 #define s_zeroes section_name.s_name
71 #define s_offset (section_name.s_name+4)
73 /* More names of "special" sections. */
77 #define _LINES ".lines"
78 #define _BLOCKS ".blocks"
79 #define _SRI ".sri" /* Static Resource Information (systype,
81 #define _MIR ".mir" /* Module Information Records */
82 #define _APTV ".aptv" /* Apollo-style transfer vectors. */
83 #define _INLIB ".inlib" /* Shared Library information */
84 #define _RWDI ".rwdi" /* Read/write data initialization directives for
85 compressed sections */
86 #define _UNWIND ".unwind" /* Stack unwind information */
88 /********************** RELOCATION DIRECTIVES **********************/
95 #ifdef M68K_COFF_OFFSET
101 #define RELOC struct external_reloc
103 #ifdef M68K_COFF_OFFSET
109 /* Apollo specific STYP flags */
111 #define STYP_RELOCATED_NOT_LOADED 0x00010000 /* Section is relocated normally during linking, but need
112 not be loaded during program execution */
113 #define STYP_DEBUG 0x00020000 /* debug section */
114 #define STYP_OVERLAY 0x00040000 /* Section is overlayed */
115 #define STYP_INSTRUCTION 0x00200000 /* Section contains executable code */
117 #define STYP_ZERO 0x00800000 /* Section is initialized to zero */
118 #define STYP_INSTALLED 0x02000000 /* Section should be installable in KGT */
119 #define STYP_LOOK_INSTALLED 0x04000000 /* Look for section in KGT */
120 #define STYP_SECALIGN1 0x08000000 /* Specially aligned section */
121 #define STYP_SECALIGN2 0x10000000 /* " " " */
122 #define STYP_COMPRESSED 0x20000000 /* No section data per se (s_scnptr = 0), but there are
123 initialization directives for it in .rwdi section
124 (used in conjunction with STYP_BSS) */
This page took 0.072334 seconds and 4 git commands to generate.