1/* SOM a.out definitions for BFD. 2 Copyright (C) 2010-2017 Free Software Foundation, Inc. 3 Contributed by Tristan Gingold <gingold@adacore.com>, AdaCore. 4 5 This file is part of BFD, the Binary File Descriptor library. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software Foundation, 19 Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 20 21#ifndef _SOM_AOUT_H 22#define _SOM_AOUT_H 23 24#include "clock.h" 25 26/* Note: SOM uses bit-field in its structure. All you need to know is: 27 - CPUs supported by SOM (hppa) are big-endian, 28 - the MSB is numbered 0. */ 29 30struct som_external_header 31{ 32 unsigned char system_id[2]; 33 unsigned char a_magic[2]; 34 unsigned char version_id[4]; 35 struct som_external_clock file_time; 36 unsigned char entry_space[4]; 37 unsigned char entry_subspace[4]; 38 unsigned char entry_offset[4]; 39 unsigned char aux_header_location[4]; 40 unsigned char aux_header_size[4]; 41 unsigned char som_length[4]; 42 unsigned char presumed_dp[4]; 43 unsigned char space_location[4]; 44 unsigned char space_total[4]; 45 unsigned char subspace_location[4]; 46 unsigned char subspace_total[4]; 47 unsigned char loader_fixup_location[4]; 48 unsigned char loader_fixup_total[4]; 49 unsigned char space_strings_location[4]; 50 unsigned char space_strings_size[4]; 51 unsigned char init_array_location[4]; 52 unsigned char init_array_total[4]; 53 unsigned char compiler_location[4]; 54 unsigned char compiler_total[4]; 55 unsigned char symbol_location[4]; 56 unsigned char symbol_total[4]; 57 unsigned char fixup_request_location[4]; 58 unsigned char fixup_request_total[4]; 59 unsigned char symbol_strings_location[4]; 60 unsigned char symbol_strings_size[4]; 61 unsigned char unloadable_sp_location[4]; 62 unsigned char unloadable_sp_size[4]; 63 unsigned char checksum[4]; 64}; 65 66#define OLD_VERSION_ID 85082112 67#define NEW_VERSION_ID 87102412 68 69#define EXECLIBMAGIC 0x0104 70#define RELOC_MAGIC 0x0106 71#define EXEC_MAGIC 0x0107 72#define SHARE_MAGIC 0x0108 73#define SHMEM_MAGIC 0x0109 74#define DEMAND_MAGIC 0x010b 75#define DL_MAGIC 0x010d 76#define SHL_MAGIC 0x010e 77 78struct som_external_aux_id 79{ 80 unsigned char flags[4]; 81 unsigned char length[4]; 82}; 83 84/* Aux id types. */ 85#define VERSION_AUX_ID 6 86#define COPYRIGHT_AUX_ID 9 87 88/* Aux id flags. */ 89#define SOM_AUX_ID_MANDATORY (1 << 31) 90#define SOM_AUX_ID_COPY (1 << 30) 91#define SOM_AUX_ID_APPEND (1 << 29) 92#define SOM_AUX_ID_IGNORE (1 << 28) 93#define SOM_AUX_ID_TYPE_SH 0 94#define SOM_AUX_ID_TYPE_MASK 0xffff 95 96struct som_external_string_auxhdr 97{ 98 struct som_external_aux_id header_id; 99 100 /* Length of the string, without the NUL. */ 101 unsigned char string_length[4]; 102 103 /* The string. */ 104}; 105 106struct som_external_exec_auxhdr 107{ 108 struct som_external_aux_id som_auxhdr; 109 110 unsigned char exec_tsize[4]; 111 unsigned char exec_tmem[4]; 112 unsigned char exec_tfile[4]; 113 unsigned char exec_dsize[4]; 114 unsigned char exec_dmem[4]; 115 unsigned char exec_dfile[4]; 116 unsigned char exec_bsize[4]; 117 unsigned char exec_entry[4]; 118 unsigned char exec_flags[4]; 119 unsigned char exec_bfill[4]; 120}; 121 122#define AUX_HDR_SIZE sizeof (struct som_external_exec_auxhdr) 123 124struct som_external_space_dictionary_record 125{ 126 unsigned char name[4]; 127 unsigned char flags[4]; 128 unsigned char space_number[4]; 129 unsigned char subspace_index[4]; 130 unsigned char subspace_quantity[4]; 131 unsigned char loader_fix_index[4]; 132 unsigned char loader_fix_quantity[4]; 133 unsigned char init_pointer_index[4]; 134 unsigned char init_pointer_quantity[4]; 135}; 136 137#define SOM_SPACE_IS_LOADABLE (1 << 31) 138#define SOM_SPACE_IS_DEFINED (1 << 30) 139#define SOM_SPACE_IS_PRIVATE (1 << 29) 140#define SOM_SPACE_HAS_INTERMEDIATE_CODE (1 << 28) 141#define SOM_SPACE_IS_TSPECIFIC (1 << 27) 142#define SOM_SPACE_SORT_KEY_SH 8 143#define SOM_SPACE_SORT_KEY_MASK 0xff 144 145struct som_external_subspace_dictionary_record 146{ 147 unsigned char space_index[4]; 148 unsigned char flags[4]; 149 unsigned char file_loc_init_value[4]; 150 unsigned char initialization_length[4]; 151 unsigned char subspace_start[4]; 152 unsigned char subspace_length[4]; 153 unsigned char alignment[4]; 154 unsigned char name[4]; 155 unsigned char fixup_request_index[4]; 156 unsigned char fixup_request_quantity[4]; 157}; 158 159#define SOM_SUBSPACE_ACCESS_CONTROL_BITS_SH 25 160#define SOM_SUBSPACE_ACCESS_CONTROL_BITS_MASK 0x7f 161#define SOM_SUBSPACE_MEMORY_RESIDENT (1 << 24) 162#define SOM_SUBSPACE_DUP_COMMON (1 << 23) 163#define SOM_SUBSPACE_IS_COMMON (1 << 22) 164#define SOM_SUBSPACE_IS_LOADABLE (1 << 21) 165#define SOM_SUBSPACE_QUADRANT_SH 19 166#define SOM_SUBSPACE_QUADRANT_MASK 0x3 167#define SOM_SUBSPACE_INITIALLY_FROZEN (1 << 18) 168#define SOM_SUBSPACE_IS_FIRST (1 << 17) 169#define SOM_SUBSPACE_CODE_ONLY (1 << 16) 170#define SOM_SUBSPACE_SORT_KEY_SH 8 171#define SOM_SUBSPACE_SORT_KEY_MASK 0xff 172#define SOM_SUBSPACE_REPLICATE_INIT (1 << 7) 173#define SOM_SUBSPACE_CONTINUATION (1 << 6) 174#define SOM_SUBSPACE_IS_TSPECIFIC (1 << 5) 175#define SOM_SUBSPACE_IS_COMDAT (1 << 4) 176 177struct som_external_compilation_unit 178{ 179 unsigned char name[4]; 180 unsigned char language_name[4]; 181 unsigned char product_id[4]; 182 unsigned char version_id[4]; 183 unsigned char flags[4]; 184 struct som_external_clock compile_time; 185 struct som_external_clock source_time; 186}; 187 188struct som_external_symbol_dictionary_record 189{ 190 unsigned char flags[4]; 191 unsigned char name[4]; 192 unsigned char qualifier_name[4]; 193 unsigned char info[4]; 194 unsigned char symbol_value[4]; 195}; 196 197/* Flags fields. */ 198#define SOM_SYMBOL_HIDDEN (1 << 31) 199#define SOM_SYMBOL_SECONDARY_DEF (1 << 30) 200#define SOM_SYMBOL_TYPE_SH 24 201#define SOM_SYMBOL_TYPE_MASK 0x3f 202#define SOM_SYMBOL_SCOPE_SH 20 203#define SOM_SYMBOL_SCOPE_MASK 0xf 204#define SOM_SYMBOL_CHECK_LEVEL_SH 17 205#define SOM_SYMBOL_CHECK_LEVEL_MASK 0x7 206#define SOM_SYMBOL_MUST_QUALIFY (1 << 16) 207#define SOM_SYMBOL_INITIALLY_FROZEN (1 << 15) 208#define SOM_SYMBOL_MEMORY_RESIDENT (1 << 14) 209#define SOM_SYMBOL_IS_COMMON (1 << 13) 210#define SOM_SYMBOL_DUP_COMMON (1 << 12) 211#define SOM_SYMBOL_XLEAST_SH 10 212#define SOM_SYMBOL_XLEAT_MASK 0x3 213#define SOM_SYMBOL_ARG_RELOC_SH 0 214#define SOM_SYMBOL_ARG_RELOC_MASK 0x3ff 215 216/* Info fields. */ 217#define SOM_SYMBOL_HAS_LONG_RETURN (1 << 31) 218#define SOM_SYMBOL_NO_RELOCATION (1 << 30) 219#define SOM_SYMBOL_IS_COMDAT (1 << 29) 220#define SOM_SYMBOL_SYMBOL_INFO_SH 0 221#define SOM_SYMBOL_SYMBOL_INFO_MASK 0xffffff 222 223/* Symbol type definition. */ 224#define ST_NULL 0 225#define ST_ABSOLUTE 1 226#define ST_DATA 2 227#define ST_CODE 3 228#define ST_PRI_PROG 4 229#define ST_SEC_PROG 5 230#define ST_ENTRY 6 231#define ST_STORAGE 7 232#define ST_STUB 8 233#define ST_MODULE 9 234#define ST_SYM_EXT 10 235#define ST_ARG_EXT 11 236#define ST_MILLICODE 12 237#define ST_PLABEL 13 238#define ST_OCT_DIS 14 239#define ST_MILLI_EXT 15 240#define ST_TSTORAGE 16 241#define ST_COMDAT 17 242 243/* Symbol scope. */ 244#define SS_UNSAT 0 245#define SS_EXTERNAL 1 246#define SS_LOCAL 2 247#define SS_UNIVERSAL 3 248 249#endif /* _SOM_AOUT_H */ 250