Commit | Line | Data |
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252b5132 RH |
1 | /*** coff information for Sparc. */ |
2 | ||
3 | /* This file is an amalgamation of several standard include files that | |
4 | define coff format, such as filehdr.h, aouthdr.h, and so forth. In | |
5 | addition, all datatypes have been translated into character arrays of | |
6 | (presumed) equivalent size. This is necessary so that this file can | |
7 | be used with different systems while still yielding the same results. */ | |
8 | ||
9 | /********************** FILE HEADER **********************/ | |
10 | ||
11 | struct external_filehdr | |
12 | { | |
13 | char f_magic[2]; /* magic number */ | |
14 | char f_nscns[2]; /* number of sections */ | |
15 | char f_timdat[4]; /* time & date stamp */ | |
16 | char f_symptr[4]; /* file pointer to symtab */ | |
17 | char f_nsyms[4]; /* number of symtab entries */ | |
18 | char f_opthdr[2]; /* sizeof(optional hdr) */ | |
19 | char f_flags[2]; /* flags */ | |
20 | }; | |
21 | ||
22 | #define F_RELFLG (0x0001) /* relocation info stripped */ | |
23 | #define F_EXEC (0x0002) /* file is executable */ | |
24 | #define F_LNNO (0x0004) /* line numbers stripped */ | |
25 | #define F_LSYMS (0x0008) /* local symbols stripped */ | |
26 | ||
27 | #define SPARCMAGIC (0540) | |
28 | ||
29 | /* This is Lynx's all-platform magic number for executables. */ | |
30 | ||
31 | #define LYNXCOFFMAGIC (0415) | |
32 | ||
33 | #define FILHDR struct external_filehdr | |
34 | #define FILHSZ 20 | |
35 | ||
36 | /********************** AOUT "OPTIONAL HEADER" **********************/ | |
37 | ||
38 | typedef struct | |
39 | { | |
40 | char magic[2]; /* type of file */ | |
41 | char vstamp[2]; /* version stamp */ | |
42 | char tsize[4]; /* text size in bytes, padded to FW bdry*/ | |
43 | char dsize[4]; /* initialized data " " */ | |
44 | char bsize[4]; /* uninitialized data " " */ | |
45 | char entry[4]; /* entry pt. */ | |
46 | char text_start[4]; /* base of text used for this file */ | |
47 | char data_start[4]; /* base of data used for this file */ | |
48 | } | |
49 | AOUTHDR; | |
50 | ||
51 | #define AOUTSZ 28 | |
52 | #define AOUTHDRSZ 28 | |
53 | ||
54 | #define OMAGIC 0404 /* object files, eg as output */ | |
55 | #define ZMAGIC 0413 /* demand load format, eg normal ld output */ | |
56 | #define STMAGIC 0401 /* target shlib */ | |
57 | #define SHMAGIC 0443 /* host shlib */ | |
58 | ||
59 | /********************** SECTION HEADER **********************/ | |
60 | ||
61 | struct external_scnhdr | |
62 | { | |
63 | char s_name[8]; /* section name */ | |
64 | char s_paddr[4]; /* physical address, aliased s_nlib */ | |
65 | char s_vaddr[4]; /* virtual address */ | |
66 | char s_size[4]; /* section size */ | |
67 | char s_scnptr[4]; /* file ptr to raw data for section */ | |
68 | char s_relptr[4]; /* file ptr to relocation */ | |
69 | char s_lnnoptr[4]; /* file ptr to line numbers */ | |
70 | char s_nreloc[2]; /* number of relocation entries */ | |
71 | char s_nlnno[2]; /* number of line number entries*/ | |
72 | char s_flags[4]; /* flags */ | |
73 | }; | |
74 | ||
75 | #define SCNHDR struct external_scnhdr | |
76 | #define SCNHSZ 40 | |
77 | ||
78 | /* Names of "special" sections. */ | |
79 | ||
80 | #define _TEXT ".text" | |
81 | #define _DATA ".data" | |
82 | #define _BSS ".bss" | |
83 | #define _TV ".tv" | |
84 | #define _INIT ".init" | |
85 | #define _FINI ".fini" | |
86 | #define _COMMENT ".comment" | |
87 | #define _LIB ".lib" | |
88 | ||
89 | /********************** LINE NUMBERS **********************/ | |
90 | ||
91 | /* 1 line number entry for every "breakpointable" source line in a section. | |
92 | Line numbers are grouped on a per function basis; first entry in a function | |
93 | grouping will have l_lnno = 0 and in place of physical address will be the | |
94 | symbol table index of the function name. */ | |
95 | ||
96 | struct external_lineno | |
97 | { | |
98 | union { | |
99 | char l_symndx[4]; /* fn name symbol index, iff l_lnno == 0 */ | |
100 | char l_paddr[4]; /* (physical) address of line number */ | |
101 | } l_addr; | |
102 | char l_lnno[2]; /* line number */ | |
103 | }; | |
104 | ||
105 | #define LINENO struct external_lineno | |
106 | #define LINESZ (6) | |
107 | ||
108 | /********************** SYMBOLS **********************/ | |
109 | ||
110 | #define E_SYMNMLEN (8) /* # characters in a symbol name */ | |
111 | #define E_FILNMLEN (14) /* # characters in a file name */ | |
112 | #define E_DIMNUM (4) /* # array dimensions in auxiliary entry */ | |
113 | ||
114 | struct external_syment | |
115 | { | |
116 | union { | |
117 | char e_name[E_SYMNMLEN]; | |
118 | struct { | |
119 | char e_zeroes[4]; | |
120 | char e_offset[4]; | |
121 | } e; | |
122 | #if 0 /* of doubtful value */ | |
123 | char e_nptr[2][4]; | |
124 | struct { | |
125 | char e_leading_zero[1]; | |
126 | char e_dbx_type[1]; | |
127 | char e_dbx_desc[2]; | |
128 | } e_dbx; | |
129 | #endif | |
130 | } e; | |
131 | ||
132 | char e_value[4]; | |
133 | char e_scnum[2]; | |
134 | char e_type[2]; | |
135 | char e_sclass[1]; | |
136 | char e_numaux[1]; | |
137 | char padding[2]; | |
138 | }; | |
139 | ||
140 | #define N_BTMASK (0xf) | |
141 | #define N_TMASK (0x30) | |
142 | #define N_BTSHFT (4) | |
143 | #define N_TSHIFT (2) | |
144 | ||
145 | union external_auxent | |
146 | { | |
147 | struct { | |
148 | char x_tagndx[4]; /* str, un, or enum tag indx */ | |
149 | union { | |
150 | struct { | |
151 | char x_lnno[2]; /* declaration line number */ | |
152 | char x_size[2]; /* str/union/array size */ | |
153 | } x_lnsz; | |
154 | char x_fsize[4]; /* size of function */ | |
155 | } x_misc; | |
156 | union { | |
157 | struct { /* if ISFCN, tag, or .bb */ | |
158 | char x_lnnoptr[4]; /* ptr to fcn line # */ | |
159 | char x_endndx[4]; /* entry ndx past block end */ | |
160 | } x_fcn; | |
161 | struct { /* if ISARY, up to 4 dimen. */ | |
162 | char x_dimen[E_DIMNUM][2]; | |
163 | } x_ary; | |
164 | } x_fcnary; | |
165 | char x_tvndx[2]; /* tv index */ | |
166 | } x_sym; | |
167 | ||
168 | union { | |
169 | char x_fname[E_FILNMLEN]; | |
170 | struct { | |
171 | char x_zeroes[4]; | |
172 | char x_offset[4]; | |
173 | } x_n; | |
174 | } x_file; | |
175 | ||
176 | struct { | |
177 | char x_scnlen[4]; /* section length */ | |
178 | char x_nreloc[2]; /* # relocation entries */ | |
179 | char x_nlinno[2]; /* # line numbers */ | |
180 | } x_scn; | |
181 | ||
182 | struct { | |
183 | char x_tvfill[4]; /* tv fill value */ | |
184 | char x_tvlen[2]; /* length of .tv */ | |
185 | char x_tvran[2][2]; /* tv range */ | |
186 | } x_tv; /* .tv section info (in auxent of sym .tv)) */ | |
187 | ||
188 | char x_fill[20]; /* forces to 20-byte size */ | |
189 | }; | |
190 | ||
191 | #define SYMENT struct external_syment | |
192 | #define SYMESZ 20 | |
193 | #define AUXENT union external_auxent | |
194 | #define AUXESZ 20 | |
195 | ||
196 | #define _ETEXT "etext" | |
197 | ||
198 | /********************** RELOCATION DIRECTIVES **********************/ | |
199 | ||
200 | struct external_reloc { | |
201 | char r_vaddr[4]; | |
202 | char r_symndx[4]; | |
203 | char r_type[2]; | |
204 | char r_spare[2]; | |
205 | char r_offset[4]; | |
206 | }; | |
207 | ||
208 | #define RELOC struct external_reloc | |
209 | #define RELSZ 16 | |
210 |