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4f1d9bd8 NC |
1 | /* external.h -- External COFF structures |
2 | ||
e4e42b45 | 3 | Copyright 2001, 2006, 2010 Free Software Foundation, Inc. |
4f1d9bd8 NC |
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 | |
e4e42b45 | 7 | the Free Software Foundation; either version 3 of the License, or |
4f1d9bd8 NC |
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 | |
e4e42b45 NC |
17 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
18 | MA 02110-1301, USA. */ | |
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19 | |
20 | #ifndef COFF_EXTERNAL_H | |
21 | #define COFF_EXTERNAL_H | |
22 | ||
23 | #ifndef DO_NOT_DEFINE_FILHDR | |
24 | /********************** FILE HEADER **********************/ | |
25 | ||
26 | struct external_filehdr | |
27 | { | |
28 | char f_magic[2]; /* magic number */ | |
29 | char f_nscns[2]; /* number of sections */ | |
30 | char f_timdat[4]; /* time & date stamp */ | |
31 | char f_symptr[4]; /* file pointer to symtab */ | |
32 | char f_nsyms[4]; /* number of symtab entries */ | |
33 | char f_opthdr[2]; /* sizeof(optional hdr) */ | |
34 | char f_flags[2]; /* flags */ | |
35 | }; | |
36 | ||
37 | #define FILHDR struct external_filehdr | |
38 | #define FILHSZ 20 | |
39 | #endif | |
40 | ||
41 | #ifndef DO_NOT_DEFINE_AOUTHDR | |
42 | /********************** AOUT "OPTIONAL HEADER" **********************/ | |
43 | ||
44 | typedef struct external_aouthdr | |
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 */ | |
4fd454c8 | 54 | } ATTRIBUTE_PACKED |
4f1d9bd8 NC |
55 | AOUTHDR; |
56 | ||
57 | #define AOUTHDRSZ 28 | |
58 | #define AOUTSZ 28 | |
99ad8390 NC |
59 | |
60 | typedef struct external_aouthdr64 | |
61 | { | |
62 | char magic[2]; /* Type of file. */ | |
63 | char vstamp[2]; /* Version stamp. */ | |
64 | char tsize[4]; /* Text size in bytes, padded to FW bdry*/ | |
65 | char dsize[4]; /* Initialized data " ". */ | |
66 | char bsize[4]; /* Uninitialized data " ". */ | |
67 | char entry[4]; /* Entry pt. */ | |
68 | char text_start[4]; /* Base of text used for this file. */ | |
69 | } | |
70 | AOUTHDR64; | |
71 | #define AOUTHDRSZ64 24 | |
72 | ||
73 | #endif /* not DO_NOT_DEFINE_AOUTHDR */ | |
4f1d9bd8 NC |
74 | |
75 | #ifndef DO_NOT_DEFINE_SCNHDR | |
76 | /********************** SECTION HEADER **********************/ | |
77 | ||
78 | struct external_scnhdr | |
79 | { | |
80 | char s_name[8]; /* section name */ | |
81 | char s_paddr[4]; /* physical address, aliased s_nlib */ | |
82 | char s_vaddr[4]; /* virtual address */ | |
83 | char s_size[4]; /* section size */ | |
84 | char s_scnptr[4]; /* file ptr to raw data for section */ | |
85 | char s_relptr[4]; /* file ptr to relocation */ | |
86 | char s_lnnoptr[4]; /* file ptr to line numbers */ | |
87 | char s_nreloc[2]; /* number of relocation entries */ | |
88 | char s_nlnno[2]; /* number of line number entries */ | |
89 | char s_flags[4]; /* flags */ | |
90 | }; | |
91 | ||
92 | #define SCNHDR struct external_scnhdr | |
93 | #define SCNHSZ 40 | |
94 | ||
95 | /* Names of "special" sections. */ | |
96 | ||
97 | #define _TEXT ".text" | |
98 | #define _DATA ".data" | |
99 | #define _BSS ".bss" | |
100 | #define _COMMENT ".comment" | |
101 | #define _LIB ".lib" | |
102 | #endif /* not DO_NOT_DEFINE_SCNHDR */ | |
103 | ||
104 | #ifndef DO_NOT_DEFINE_LINENO | |
105 | ||
106 | /********************** LINE NUMBERS **********************/ | |
107 | ||
108 | #ifndef L_LNNO_SIZE | |
109 | #error L_LNNO_SIZE needs to be defined | |
110 | #endif | |
111 | ||
112 | /* 1 line number entry for every "breakpointable" source line in a section. | |
113 | Line numbers are grouped on a per function basis; first entry in a function | |
114 | grouping will have l_lnno = 0 and in place of physical address will be the | |
115 | symbol table index of the function name. */ | |
116 | struct external_lineno | |
117 | { | |
118 | union | |
119 | { | |
120 | char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/ | |
121 | char l_paddr[4]; /* (physical) address of line number */ | |
122 | } l_addr; | |
123 | ||
124 | char l_lnno[L_LNNO_SIZE]; /* line number */ | |
125 | }; | |
126 | ||
127 | #define LINENO struct external_lineno | |
128 | #define LINESZ (4 + L_LNNO_SIZE) | |
129 | ||
130 | #if L_LNNO_SIZE == 4 | |
a9306dbd NC |
131 | #define GET_LINENO_LNNO(abfd, ext) H_GET_32 (abfd, (ext->l_lnno)) |
132 | #define PUT_LINENO_LNNO(abfd, val, ext) H_PUT_32 (abfd, val, (ext->l_lnno)) | |
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133 | #endif |
134 | #if L_LNNO_SIZE == 2 | |
a9306dbd NC |
135 | #define GET_LINENO_LNNO(abfd, ext) H_GET_16 (abfd, (ext->l_lnno)) |
136 | #define PUT_LINENO_LNNO(abfd, val, ext) H_PUT_16 (abfd, val, (ext->l_lnno)) | |
4f1d9bd8 NC |
137 | #endif |
138 | ||
139 | #endif /* not DO_NOT_DEFINE_LINENO */ | |
140 | ||
141 | #ifndef DO_NOT_DEFINE_SYMENT | |
142 | /********************** SYMBOLS **********************/ | |
143 | ||
144 | #define E_SYMNMLEN 8 /* # characters in a symbol name */ | |
145 | #ifndef E_FILNMLEN | |
146 | #define E_FILNMLEN 14 | |
147 | #endif | |
148 | #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ | |
149 | ||
150 | struct external_syment | |
151 | { | |
152 | union | |
153 | { | |
154 | char e_name[E_SYMNMLEN]; | |
155 | ||
156 | struct | |
157 | { | |
158 | char e_zeroes[4]; | |
159 | char e_offset[4]; | |
160 | } e; | |
161 | } e; | |
162 | ||
163 | char e_value[4]; | |
164 | char e_scnum[2]; | |
165 | char e_type[2]; | |
166 | char e_sclass[1]; | |
167 | char e_numaux[1]; | |
4fd454c8 | 168 | } ATTRIBUTE_PACKED ; |
4f1d9bd8 NC |
169 | |
170 | #define SYMENT struct external_syment | |
171 | #define SYMESZ 18 | |
172 | ||
173 | #ifndef N_BTMASK | |
174 | #define N_BTMASK 0xf | |
175 | #endif | |
176 | ||
177 | #ifndef N_TMASK | |
178 | #define N_TMASK 0x30 | |
179 | #endif | |
180 | ||
181 | #ifndef N_BTSHFT | |
182 | #define N_BTSHFT 4 | |
183 | #endif | |
184 | ||
185 | #ifndef N_TSHIFT | |
186 | #define N_TSHIFT 2 | |
187 | #endif | |
188 | ||
189 | #endif /* not DO_NOT_DEFINE_SYMENT */ | |
190 | ||
191 | #ifndef DO_NOT_DEFINE_AUXENT | |
192 | ||
193 | union external_auxent | |
194 | { | |
195 | struct | |
196 | { | |
197 | char x_tagndx[4]; /* str, un, or enum tag indx */ | |
198 | ||
199 | union | |
200 | { | |
201 | struct | |
202 | { | |
203 | char x_lnno[2]; /* declaration line number */ | |
204 | char x_size[2]; /* str/union/array size */ | |
205 | } x_lnsz; | |
206 | ||
207 | char x_fsize[4]; /* size of function */ | |
208 | ||
209 | } x_misc; | |
210 | ||
211 | union | |
212 | { | |
213 | struct /* if ISFCN, tag, or .bb */ | |
214 | { | |
215 | char x_lnnoptr[4]; /* ptr to fcn line # */ | |
216 | char x_endndx[4]; /* entry ndx past block end */ | |
217 | } x_fcn; | |
218 | ||
219 | struct /* if ISARY, up to 4 dimen. */ | |
220 | { | |
221 | char x_dimen[E_DIMNUM][2]; | |
222 | } x_ary; | |
223 | ||
224 | } x_fcnary; | |
225 | ||
226 | char x_tvndx[2]; /* tv index */ | |
227 | ||
228 | } x_sym; | |
229 | ||
230 | union | |
231 | { | |
232 | char x_fname[E_FILNMLEN]; | |
233 | ||
234 | struct | |
235 | { | |
236 | char x_zeroes[4]; | |
237 | char x_offset[4]; | |
238 | } x_n; | |
239 | ||
240 | } x_file; | |
241 | ||
242 | struct | |
243 | { | |
244 | char x_scnlen[4]; /* section length */ | |
245 | char x_nreloc[2]; /* # relocation entries */ | |
246 | char x_nlinno[2]; /* # line numbers */ | |
247 | #ifdef INCLUDE_COMDAT_FIELDS_IN_AUXENT | |
248 | char x_checksum[4]; /* section COMDAT checksum */ | |
249 | char x_associated[2]; /* COMDAT associated section index */ | |
250 | char x_comdat[1]; /* COMDAT selection number */ | |
251 | #endif | |
252 | } x_scn; | |
253 | ||
254 | struct | |
255 | { | |
256 | char x_tvfill[4]; /* tv fill value */ | |
257 | char x_tvlen[2]; /* length of .tv */ | |
258 | char x_tvran[2][2]; /* tv range */ | |
259 | } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ | |
4fd454c8 | 260 | } ATTRIBUTE_PACKED ; |
4f1d9bd8 NC |
261 | |
262 | #define AUXENT union external_auxent | |
263 | #define AUXESZ 18 | |
264 | ||
265 | #define _ETEXT "etext" | |
266 | ||
267 | #endif /* not DO_NOT_DEFINE_AUXENT */ | |
268 | ||
269 | #endif /* COFF_EXTERNAL_H */ |