1 /* external.h -- External COFF structures
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
19 #ifndef COFF_EXTERNAL_H
20 #define COFF_EXTERNAL_H
22 #ifndef DO_NOT_DEFINE_FILHDR
23 /********************** FILE HEADER **********************/
25 struct external_filehdr
27 char f_magic
[2]; /* magic number */
28 char f_nscns
[2]; /* number of sections */
29 char f_timdat
[4]; /* time & date stamp */
30 char f_symptr
[4]; /* file pointer to symtab */
31 char f_nsyms
[4]; /* number of symtab entries */
32 char f_opthdr
[2]; /* sizeof(optional hdr) */
33 char f_flags
[2]; /* flags */
36 #define FILHDR struct external_filehdr
40 #ifndef DO_NOT_DEFINE_AOUTHDR
41 /********************** AOUT "OPTIONAL HEADER" **********************/
43 typedef struct external_aouthdr
45 char magic
[2]; /* type of file */
46 char vstamp
[2]; /* version stamp */
47 char tsize
[4]; /* text size in bytes, padded to FW bdry*/
48 char dsize
[4]; /* initialized data " " */
49 char bsize
[4]; /* uninitialized data " " */
50 char entry
[4]; /* entry pt. */
51 char text_start
[4]; /* base of text used for this file */
52 char data_start
[4]; /* base of data used for this file */
60 #ifndef DO_NOT_DEFINE_SCNHDR
61 /********************** SECTION HEADER **********************/
63 struct external_scnhdr
65 char s_name
[8]; /* section name */
66 char s_paddr
[4]; /* physical address, aliased s_nlib */
67 char s_vaddr
[4]; /* virtual address */
68 char s_size
[4]; /* section size */
69 char s_scnptr
[4]; /* file ptr to raw data for section */
70 char s_relptr
[4]; /* file ptr to relocation */
71 char s_lnnoptr
[4]; /* file ptr to line numbers */
72 char s_nreloc
[2]; /* number of relocation entries */
73 char s_nlnno
[2]; /* number of line number entries */
74 char s_flags
[4]; /* flags */
77 #define SCNHDR struct external_scnhdr
80 /* Names of "special" sections. */
85 #define _COMMENT ".comment"
87 #endif /* not DO_NOT_DEFINE_SCNHDR */
89 #ifndef DO_NOT_DEFINE_LINENO
91 /********************** LINE NUMBERS **********************/
94 #error L_LNNO_SIZE needs to be defined
97 /* 1 line number entry for every "breakpointable" source line in a section.
98 Line numbers are grouped on a per function basis; first entry in a function
99 grouping will have l_lnno = 0 and in place of physical address will be the
100 symbol table index of the function name. */
101 struct external_lineno
105 char l_symndx
[4]; /* function name symbol index, iff l_lnno == 0*/
106 char l_paddr
[4]; /* (physical) address of line number */
109 char l_lnno
[L_LNNO_SIZE
]; /* line number */
112 #define LINENO struct external_lineno
113 #define LINESZ (4 + L_LNNO_SIZE)
116 #define GET_LINENO_LNNO(abfd, ext) H_GET_32 (abfd, (ext->l_lnno))
117 #define PUT_LINENO_LNNO(abfd, val, ext) H_PUT_32 (abfd, val, (ext->l_lnno))
120 #define GET_LINENO_LNNO(abfd, ext) H_GET_16 (abfd, (ext->l_lnno))
121 #define PUT_LINENO_LNNO(abfd, val, ext) H_PUT_16 (abfd, val, (ext->l_lnno))
124 #endif /* not DO_NOT_DEFINE_LINENO */
126 #ifndef DO_NOT_DEFINE_SYMENT
127 /********************** SYMBOLS **********************/
129 #define E_SYMNMLEN 8 /* # characters in a symbol name */
131 #define E_FILNMLEN 14
133 #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
135 struct external_syment
139 char e_name
[E_SYMNMLEN
];
155 #define SYMENT struct external_syment
174 #endif /* not DO_NOT_DEFINE_SYMENT */
176 #ifndef DO_NOT_DEFINE_AUXENT
178 union external_auxent
182 char x_tagndx
[4]; /* str, un, or enum tag indx */
188 char x_lnno
[2]; /* declaration line number */
189 char x_size
[2]; /* str/union/array size */
192 char x_fsize
[4]; /* size of function */
198 struct /* if ISFCN, tag, or .bb */
200 char x_lnnoptr
[4]; /* ptr to fcn line # */
201 char x_endndx
[4]; /* entry ndx past block end */
204 struct /* if ISARY, up to 4 dimen. */
206 char x_dimen
[E_DIMNUM
][2];
211 char x_tvndx
[2]; /* tv index */
217 char x_fname
[E_FILNMLEN
];
229 char x_scnlen
[4]; /* section length */
230 char x_nreloc
[2]; /* # relocation entries */
231 char x_nlinno
[2]; /* # line numbers */
232 #ifdef INCLUDE_COMDAT_FIELDS_IN_AUXENT
233 char x_checksum
[4]; /* section COMDAT checksum */
234 char x_associated
[2]; /* COMDAT associated section index */
235 char x_comdat
[1]; /* COMDAT selection number */
241 char x_tvfill
[4]; /* tv fill value */
242 char x_tvlen
[2]; /* length of .tv */
243 char x_tvran
[2][2]; /* tv range */
244 } x_tv
; /* info about .tv section (in auxent of symbol .tv)) */
247 #define AUXENT union external_auxent
250 #define _ETEXT "etext"
252 #endif /* not DO_NOT_DEFINE_AUXENT */
254 #endif /* COFF_EXTERNAL_H */