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250 lines
7.2 KiB
C
250 lines
7.2 KiB
C
/* SOM a.out definitions for BFD.
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Copyright (C) 2010-2015 Free Software Foundation, Inc.
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Contributed by Tristan Gingold <gingold@adacore.com>, AdaCore.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef _SOM_AOUT_H
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#define _SOM_AOUT_H
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#include "clock.h"
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/* Note: SOM uses bit-field in its structure. All you need to know is:
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- CPUs supported by SOM (hppa) are big-endian,
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- the MSB is numbered 0. */
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struct som_external_header
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{
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unsigned char system_id[2];
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unsigned char a_magic[2];
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unsigned char version_id[4];
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struct som_external_clock file_time;
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unsigned char entry_space[4];
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unsigned char entry_subspace[4];
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unsigned char entry_offset[4];
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unsigned char aux_header_location[4];
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unsigned char aux_header_size[4];
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unsigned char som_length[4];
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unsigned char presumed_dp[4];
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unsigned char space_location[4];
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unsigned char space_total[4];
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unsigned char subspace_location[4];
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unsigned char subspace_total[4];
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unsigned char loader_fixup_location[4];
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unsigned char loader_fixup_total[4];
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unsigned char space_strings_location[4];
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unsigned char space_strings_size[4];
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unsigned char init_array_location[4];
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unsigned char init_array_total[4];
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unsigned char compiler_location[4];
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unsigned char compiler_total[4];
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unsigned char symbol_location[4];
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unsigned char symbol_total[4];
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unsigned char fixup_request_location[4];
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unsigned char fixup_request_total[4];
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unsigned char symbol_strings_location[4];
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unsigned char symbol_strings_size[4];
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unsigned char unloadable_sp_location[4];
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unsigned char unloadable_sp_size[4];
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unsigned char checksum[4];
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};
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#define OLD_VERSION_ID 85082112
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#define NEW_VERSION_ID 87102412
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#define EXECLIBMAGIC 0x0104
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#define RELOC_MAGIC 0x0106
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#define EXEC_MAGIC 0x0107
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#define SHARE_MAGIC 0x0108
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#define SHMEM_MAGIC 0x0109
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#define DEMAND_MAGIC 0x010b
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#define DL_MAGIC 0x010d
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#define SHL_MAGIC 0x010e
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struct som_external_aux_id
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{
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unsigned char flags[4];
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unsigned char length[4];
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};
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/* Aux id types. */
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#define VERSION_AUX_ID 6
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#define COPYRIGHT_AUX_ID 9
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/* Aux id flags. */
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#define SOM_AUX_ID_MANDATORY (1 << 31)
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#define SOM_AUX_ID_COPY (1 << 30)
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#define SOM_AUX_ID_APPEND (1 << 29)
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#define SOM_AUX_ID_IGNORE (1 << 28)
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#define SOM_AUX_ID_TYPE_SH 0
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#define SOM_AUX_ID_TYPE_MASK 0xffff
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struct som_external_string_auxhdr
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{
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struct som_external_aux_id header_id;
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/* Length of the string, without the NUL. */
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unsigned char string_length[4];
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/* The string. */
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};
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struct som_external_exec_auxhdr
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{
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struct som_external_aux_id som_auxhdr;
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unsigned char exec_tsize[4];
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unsigned char exec_tmem[4];
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unsigned char exec_tfile[4];
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unsigned char exec_dsize[4];
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unsigned char exec_dmem[4];
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unsigned char exec_dfile[4];
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unsigned char exec_bsize[4];
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unsigned char exec_entry[4];
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unsigned char exec_flags[4];
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unsigned char exec_bfill[4];
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};
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#define AUX_HDR_SIZE sizeof (struct som_external_exec_auxhdr)
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struct som_external_space_dictionary_record
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{
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unsigned char name[4];
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unsigned char flags[4];
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unsigned char space_number[4];
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unsigned char subspace_index[4];
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unsigned char subspace_quantity[4];
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unsigned char loader_fix_index[4];
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unsigned char loader_fix_quantity[4];
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unsigned char init_pointer_index[4];
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unsigned char init_pointer_quantity[4];
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};
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#define SOM_SPACE_IS_LOADABLE (1 << 31)
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#define SOM_SPACE_IS_DEFINED (1 << 30)
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#define SOM_SPACE_IS_PRIVATE (1 << 29)
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#define SOM_SPACE_HAS_INTERMEDIATE_CODE (1 << 28)
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#define SOM_SPACE_IS_TSPECIFIC (1 << 27)
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#define SOM_SPACE_SORT_KEY_SH 8
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#define SOM_SPACE_SORT_KEY_MASK 0xff
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struct som_external_subspace_dictionary_record
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{
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unsigned char space_index[4];
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unsigned char flags[4];
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unsigned char file_loc_init_value[4];
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unsigned char initialization_length[4];
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unsigned char subspace_start[4];
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unsigned char subspace_length[4];
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unsigned char alignment[4];
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unsigned char name[4];
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unsigned char fixup_request_index[4];
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unsigned char fixup_request_quantity[4];
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};
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#define SOM_SUBSPACE_ACCESS_CONTROL_BITS_SH 25
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#define SOM_SUBSPACE_ACCESS_CONTROL_BITS_MASK 0x7f
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#define SOM_SUBSPACE_MEMORY_RESIDENT (1 << 24)
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#define SOM_SUBSPACE_DUP_COMMON (1 << 23)
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#define SOM_SUBSPACE_IS_COMMON (1 << 22)
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#define SOM_SUBSPACE_IS_LOADABLE (1 << 21)
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#define SOM_SUBSPACE_QUADRANT_SH 19
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#define SOM_SUBSPACE_QUADRANT_MASK 0x3
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#define SOM_SUBSPACE_INITIALLY_FROZEN (1 << 18)
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#define SOM_SUBSPACE_IS_FIRST (1 << 17)
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#define SOM_SUBSPACE_CODE_ONLY (1 << 16)
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#define SOM_SUBSPACE_SORT_KEY_SH 8
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#define SOM_SUBSPACE_SORT_KEY_MASK 0xff
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#define SOM_SUBSPACE_REPLICATE_INIT (1 << 7)
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#define SOM_SUBSPACE_CONTINUATION (1 << 6)
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#define SOM_SUBSPACE_IS_TSPECIFIC (1 << 5)
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#define SOM_SUBSPACE_IS_COMDAT (1 << 4)
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struct som_external_compilation_unit
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{
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unsigned char name[4];
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unsigned char language_name[4];
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unsigned char product_id[4];
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unsigned char version_id[4];
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unsigned char flags[4];
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struct som_external_clock compile_time;
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struct som_external_clock source_time;
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};
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struct som_external_symbol_dictionary_record
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{
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unsigned char flags[4];
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unsigned char name[4];
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unsigned char qualifier_name[4];
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unsigned char info[4];
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unsigned char symbol_value[4];
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};
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/* Flags fields. */
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#define SOM_SYMBOL_HIDDEN (1 << 31)
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#define SOM_SYMBOL_SECONDARY_DEF (1 << 30)
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#define SOM_SYMBOL_TYPE_SH 24
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#define SOM_SYMBOL_TYPE_MASK 0x3f
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#define SOM_SYMBOL_SCOPE_SH 20
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#define SOM_SYMBOL_SCOPE_MASK 0xf
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#define SOM_SYMBOL_CHECK_LEVEL_SH 17
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#define SOM_SYMBOL_CHECK_LEVEL_MASK 0x7
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#define SOM_SYMBOL_MUST_QUALIFY (1 << 16)
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#define SOM_SYMBOL_INITIALLY_FROZEN (1 << 15)
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#define SOM_SYMBOL_MEMORY_RESIDENT (1 << 14)
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#define SOM_SYMBOL_IS_COMMON (1 << 13)
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#define SOM_SYMBOL_DUP_COMMON (1 << 12)
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#define SOM_SYMBOL_XLEAST_SH 10
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#define SOM_SYMBOL_XLEAT_MASK 0x3
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#define SOM_SYMBOL_ARG_RELOC_SH 0
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#define SOM_SYMBOL_ARG_RELOC_MASK 0x3ff
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/* Info fields. */
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#define SOM_SYMBOL_HAS_LONG_RETURN (1 << 31)
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#define SOM_SYMBOL_NO_RELOCATION (1 << 30)
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#define SOM_SYMBOL_IS_COMDAT (1 << 29)
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#define SOM_SYMBOL_SYMBOL_INFO_SH 0
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#define SOM_SYMBOL_SYMBOL_INFO_MASK 0xffffff
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/* Symbol type definition. */
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#define ST_NULL 0
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#define ST_ABSOLUTE 1
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#define ST_DATA 2
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#define ST_CODE 3
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#define ST_PRI_PROG 4
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#define ST_SEC_PROG 5
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#define ST_ENTRY 6
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#define ST_STORAGE 7
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#define ST_STUB 8
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#define ST_MODULE 9
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#define ST_SYM_EXT 10
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#define ST_ARG_EXT 11
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#define ST_MILLICODE 12
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#define ST_PLABEL 13
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#define ST_OCT_DIS 14
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#define ST_MILLI_EXT 15
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#define ST_TSTORAGE 16
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#define ST_COMDAT 17
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/* Symbol scope. */
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#define SS_UNSAT 0
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#define SS_EXTERNAL 1
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#define SS_LOCAL 2
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#define SS_UNIVERSAL 3
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#endif /* _SOM_AOUT_H */
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