Commit | Line | Data |
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4f1d9bd8 NC |
1 | /* coff information for Apollo M68K |
2 | ||
3 | Copyright 2001 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
18 | ||
19 | #define DO_NOT_DEFINE_AOUTHDR | |
20 | #define L_LNNO_SIZE 2 | |
21 | #include "coff/external.h" | |
252b5132 RH |
22 | |
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 */ | |
29 | #define M68MAGIC 0210 | |
30 | #define M68TVMAGIC 0211 | |
31 | ||
32 | /* Apollo 68000-based machines have a different magic number. This comes | |
33 | * from /usr/include/apollo/filehdr.h | |
34 | */ | |
35 | #define APOLLOM68KMAGIC 0627 | |
36 | ||
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) ) | |
41 | ||
252b5132 RH |
42 | /********************** AOUT "OPTIONAL HEADER" **********************/ |
43 | ||
44 | typedef struct | |
45 | { | |
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 */ | |
57 | } | |
58 | AOUTHDR; | |
59 | ||
60 | #define APOLLO_COFF_VERSION_NUMBER 1 /* the value of the aouthdr magic */ | |
61 | #define AOUTHDRSZ 44 | |
62 | #define AOUTSZ 44 | |
63 | ||
4f1d9bd8 NC |
64 | /* Apollo allowa for larger section names by allowing |
65 | them to be in the string table. */ | |
252b5132 | 66 | |
4f1d9bd8 NC |
67 | /* If s_zeores is all zeroes, s_offset gives the real |
68 | location of the name in the string table. */ | |
252b5132 RH |
69 | |
70 | #define s_zeroes section_name.s_name | |
71 | #define s_offset (section_name.s_name+4) | |
72 | ||
4f1d9bd8 | 73 | /* More names of "special" sections. */ |
252b5132 RH |
74 | #define _TV ".tv" |
75 | #define _INIT ".init" | |
76 | #define _FINI ".fini" | |
77 | #define _LINES ".lines" | |
78 | #define _BLOCKS ".blocks" | |
79 | #define _SRI ".sri" /* Static Resource Information (systype, | |
80 | et al.) */ | |
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 */ | |
87 | ||
252b5132 RH |
88 | /********************** RELOCATION DIRECTIVES **********************/ |
89 | ||
4f1d9bd8 NC |
90 | struct external_reloc |
91 | { | |
252b5132 RH |
92 | char r_vaddr[4]; |
93 | char r_symndx[4]; | |
94 | char r_type[2]; | |
95 | #ifdef M68K_COFF_OFFSET | |
96 | char r_offset[4]; | |
97 | #endif | |
98 | ||
99 | }; | |
100 | ||
252b5132 RH |
101 | #define RELOC struct external_reloc |
102 | ||
103 | #ifdef M68K_COFF_OFFSET | |
104 | #define RELSZ 14 | |
105 | #else | |
106 | #define RELSZ 10 | |
107 | #endif | |
108 | ||
109 | /* Apollo specific STYP flags */ | |
110 | ||
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 */ | |
116 | ||
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) */ |