| 1 | /* external.h -- External COFF structures
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| 2 |
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| 3 | Copyright 2001 Free Software Foundation, Inc.
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| 4 |
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| 5 | This program is free software; you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation; either version 2 of the License, or
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| 8 | (at your option) any later version.
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| 9 |
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| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program; if not, write to the Free Software
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| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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| 18 |
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| 19 | #ifndef COFF_EXTERNAL_H
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| 20 | #define COFF_EXTERNAL_H
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| 21 |
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| 22 | #ifndef DO_NOT_DEFINE_FILHDR
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| 23 | /********************** FILE HEADER **********************/
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| 24 |
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| 25 | struct external_filehdr
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| 26 | {
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| 27 | char f_magic[2]; /* magic number */
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| 28 | char f_nscns[2]; /* number of sections */
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| 29 | char f_timdat[4]; /* time & date stamp */
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| 30 | char f_symptr[4]; /* file pointer to symtab */
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| 31 | char f_nsyms[4]; /* number of symtab entries */
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| 32 | char f_opthdr[2]; /* sizeof(optional hdr) */
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| 33 | char f_flags[2]; /* flags */
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| 34 | };
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| 35 |
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| 36 | #define FILHDR struct external_filehdr
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| 37 | #define FILHSZ 20
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| 38 | #endif
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| 39 |
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| 40 | #ifndef DO_NOT_DEFINE_AOUTHDR
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| 41 | /********************** AOUT "OPTIONAL HEADER" **********************/
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| 42 |
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| 43 | typedef struct external_aouthdr
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| 44 | {
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| 45 | char magic[2]; /* type of file */
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| 46 | char vstamp[2]; /* version stamp */
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| 47 | char tsize[4]; /* text size in bytes, padded to FW bdry*/
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| 48 | char dsize[4]; /* initialized data " " */
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| 49 | char bsize[4]; /* uninitialized data " " */
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| 50 | char entry[4]; /* entry pt. */
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| 51 | char text_start[4]; /* base of text used for this file */
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| 52 | char data_start[4]; /* base of data used for this file */
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| 53 | }
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| 54 | AOUTHDR;
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| 55 |
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| 56 | #define AOUTHDRSZ 28
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| 57 | #define AOUTSZ 28
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| 58 | #endif
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| 59 |
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| 60 | #ifndef DO_NOT_DEFINE_SCNHDR
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| 61 | /********************** SECTION HEADER **********************/
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| 62 |
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| 63 | struct external_scnhdr
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| 64 | {
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| 65 | char s_name[8]; /* section name */
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| 66 | char s_paddr[4]; /* physical address, aliased s_nlib */
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| 67 | char s_vaddr[4]; /* virtual address */
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| 68 | char s_size[4]; /* section size */
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| 69 | char s_scnptr[4]; /* file ptr to raw data for section */
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| 70 | char s_relptr[4]; /* file ptr to relocation */
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| 71 | char s_lnnoptr[4]; /* file ptr to line numbers */
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| 72 | char s_nreloc[2]; /* number of relocation entries */
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| 73 | char s_nlnno[2]; /* number of line number entries */
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| 74 | char s_flags[4]; /* flags */
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| 75 | };
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| 76 |
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| 77 | #define SCNHDR struct external_scnhdr
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| 78 | #define SCNHSZ 40
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| 79 |
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| 80 | /* Names of "special" sections. */
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| 81 |
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| 82 | #define _TEXT ".text"
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| 83 | #define _DATA ".data"
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| 84 | #define _BSS ".bss"
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| 85 | #define _COMMENT ".comment"
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| 86 | #define _LIB ".lib"
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| 87 | #endif /* not DO_NOT_DEFINE_SCNHDR */
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| 88 |
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| 89 | #ifndef DO_NOT_DEFINE_LINENO
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| 90 |
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| 91 | /********************** LINE NUMBERS **********************/
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| 92 |
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| 93 | #ifndef L_LNNO_SIZE
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| 94 | #error L_LNNO_SIZE needs to be defined
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| 95 | #endif
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| 96 |
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| 97 | /* 1 line number entry for every "breakpointable" source line in a section.
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| 98 | Line numbers are grouped on a per function basis; first entry in a function
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| 99 | grouping will have l_lnno = 0 and in place of physical address will be the
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| 100 | symbol table index of the function name. */
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| 101 | struct external_lineno
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| 102 | {
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| 103 | union
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| 104 | {
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| 105 | char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
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| 106 | char l_paddr[4]; /* (physical) address of line number */
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| 107 | } l_addr;
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| 108 |
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| 109 | char l_lnno[L_LNNO_SIZE]; /* line number */
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| 110 | };
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| 111 |
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| 112 | #define LINENO struct external_lineno
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| 113 | #define LINESZ (4 + L_LNNO_SIZE)
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| 114 |
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| 115 | #if L_LNNO_SIZE == 4
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| 116 | #define GET_LINENO_LNNO(abfd, ext) H_GET_32 (abfd, (ext->l_lnno))
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| 117 | #define PUT_LINENO_LNNO(abfd, val, ext) H_PUT_32 (abfd, val, (ext->l_lnno))
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| 118 | #endif
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| 119 | #if L_LNNO_SIZE == 2
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| 120 | #define GET_LINENO_LNNO(abfd, ext) H_GET_16 (abfd, (ext->l_lnno))
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| 121 | #define PUT_LINENO_LNNO(abfd, val, ext) H_PUT_16 (abfd, val, (ext->l_lnno))
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| 122 | #endif
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| 123 |
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| 124 | #endif /* not DO_NOT_DEFINE_LINENO */
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| 125 |
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| 126 | #ifndef DO_NOT_DEFINE_SYMENT
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| 127 | /********************** SYMBOLS **********************/
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| 128 |
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| 129 | #define E_SYMNMLEN 8 /* # characters in a symbol name */
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| 130 | #ifndef E_FILNMLEN
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| 131 | #define E_FILNMLEN 14
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| 132 | #endif
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| 133 | #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
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| 134 |
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| 135 | struct external_syment
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| 136 | {
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| 137 | union
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| 138 | {
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| 139 | char e_name[E_SYMNMLEN];
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| 140 |
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| 141 | struct
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| 142 | {
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| 143 | char e_zeroes[4];
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| 144 | char e_offset[4];
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| 145 | } e;
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| 146 | } e;
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| 147 |
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| 148 | char e_value[4];
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| 149 | char e_scnum[2];
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| 150 | char e_type[2];
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| 151 | char e_sclass[1];
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| 152 | char e_numaux[1];
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| 153 | };
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| 154 |
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| 155 | #define SYMENT struct external_syment
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| 156 | #define SYMESZ 18
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| 157 |
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| 158 | #ifndef N_BTMASK
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| 159 | #define N_BTMASK 0xf
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| 160 | #endif
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| 161 |
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| 162 | #ifndef N_TMASK
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| 163 | #define N_TMASK 0x30
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| 164 | #endif
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