1 /* coff information for Sparc. 2 3 Copyright (C) 2001-2014 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 3 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., 51 Franklin Street - Fifth Floor, Boston, 18 MA 02110-1301, USA. */ 19 20 /* This file is an amalgamation of several standard include files that 21 define coff format, such as filehdr.h, aouthdr.h, and so forth. In 22 addition, all datatypes have been translated into character arrays of 23 (presumed) equivalent size. This is necessary so that this file can 24 be used with different systems while still yielding the same results. */ 25 26 #define L_LNNO_SIZE 2 27 #define DO_NOT_DEFINE_SYMENT 28 #define DO_NOT_DEFINE_AUXENT 29 #include "coff/external.h" 30 31 #define F_RELFLG (0x0001) /* relocation info stripped */ 32 #define F_EXEC (0x0002) /* file is executable */ 33 #define F_LNNO (0x0004) /* line numbers stripped */ 34 #define F_LSYMS (0x0008) /* local symbols stripped */ 35 36 #define SPARCMAGIC (0540) 37 38 /* This is Lynx's all-platform magic number for executables. */ 39 40 #define LYNXCOFFMAGIC (0415) 41 42 #define OMAGIC 0404 /* object files, eg as output */ 43 #define ZMAGIC 0413 /* demand load format, eg normal ld output */ 44 #define STMAGIC 0401 /* target shlib */ 45 #define SHMAGIC 0443 /* host shlib */ 46 47 /* More names of "special" sections. */ 48 49 #define _TV ".tv" 50 #define _INIT ".init" 51 #define _FINI ".fini" 52 53 /********************** SYMBOLS **********************/ 54 55 #define E_SYMNMLEN (8) /* # characters in a symbol name */ 56 #define E_FILNMLEN (14) /* # characters in a file name */ 57 #define E_DIMNUM (4) /* # array dimensions in auxiliary entry */ 58 59 struct external_syment 60 { 61 union { 62 char e_name[E_SYMNMLEN]; 63 struct { 64 char e_zeroes[4]; 65 char e_offset[4]; 66 } e; 67 #if 0 /* of doubtful value */ 68 char e_nptr[2][4]; 69 struct { 70 char e_leading_zero[1]; 71 char e_dbx_type[1]; 72 char e_dbx_desc[2]; 73 } e_dbx; 74 #endif 75 } e; 76 77 char e_value[4]; 78 char e_scnum[2]; 79 char e_type[2]; 80 char e_sclass[1]; 81 char e_numaux[1]; 82 char padding[2]; 83 }; 84 85 #define N_BTMASK (0xf) 86 #define N_TMASK (0x30) 87 #define N_BTSHFT (4) 88 #define N_TSHIFT (2) 89 90 union external_auxent 91 { 92 struct { 93 char x_tagndx[4]; /* str, un, or enum tag indx */ 94 union { 95 struct { 96 char x_lnno[2]; /* declaration line number */ 97 char x_size[2]; /* str/union/array size */ 98 } x_lnsz; 99 char x_fsize[4]; /* size of function */ 100 } x_misc; 101 union { 102 struct { /* if ISFCN, tag, or .bb */ 103 char x_lnnoptr[4]; /* ptr to fcn line # */ 104 char x_endndx[4]; /* entry ndx past block end */ 105 } x_fcn; 106 struct { /* if ISARY, up to 4 dimen. */ 107 char x_dimen[E_DIMNUM][2]; 108 } x_ary; 109 } x_fcnary; 110 char x_tvndx[2]; /* tv index */ 111 } x_sym; 112 113 union { 114 char x_fname[E_FILNMLEN]; 115 struct { 116 char x_zeroes[4]; 117 char x_offset[4]; 118 } x_n; 119 } x_file; 120 121 struct { 122 char x_scnlen[4]; /* section length */ 123 char x_nreloc[2]; /* # relocation entries */ 124 char x_nlinno[2]; /* # line numbers */ 125 } x_scn; 126 127 struct { 128 char x_tvfill[4]; /* tv fill value */ 129 char x_tvlen[2]; /* length of .tv */ 130 char x_tvran[2][2]; /* tv range */ 131 } x_tv; /* .tv section info (in auxent of sym .tv)) */ 132 133 char x_fill[20]; /* forces to 20-byte size */ 134 }; 135 136 #define SYMENT struct external_syment 137 #define SYMESZ 20 138 #define AUXENT union external_auxent 139 #define AUXESZ 20 140 141 #define _ETEXT "etext" 142 143 /********************** RELOCATION DIRECTIVES **********************/ 144 145 struct external_reloc 146 { 147 char r_vaddr[4]; 148 char r_symndx[4]; 149 char r_type[2]; 150 char r_spare[2]; 151 char r_offset[4]; 152 }; 153 154 #define RELOC struct external_reloc 155 #define RELSZ 16 156 157