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/* SOM a.out definitions for BFD.
Copyright (C) 2010-2020 Free Software Foundation, Inc.
Contributed by Tristan Gingold <gingold@adacore.com>, AdaCore.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef _SOM_AOUT_H
#define _SOM_AOUT_H
#include "clock.h"
/* Note: SOM uses bit-field in its structure. All you need to know is:
- CPUs supported by SOM (hppa) are big-endian,
- the MSB is numbered 0. */
struct som_external_header
{
unsigned char system_id[2];
unsigned char a_magic[2];
unsigned char version_id[4];
struct som_external_clock file_time;
unsigned char entry_space[4];
unsigned char entry_subspace[4];
unsigned char entry_offset[4];
unsigned char aux_header_location[4];
unsigned char aux_header_size[4];
unsigned char som_length[4];
unsigned char presumed_dp[4];
unsigned char space_location[4];
unsigned char space_total[4];
unsigned char subspace_location[4];
unsigned char subspace_total[4];
unsigned char loader_fixup_location[4];
unsigned char loader_fixup_total[4];
unsigned char space_strings_location[4];
unsigned char space_strings_size[4];
unsigned char init_array_location[4];
unsigned char init_array_total[4];
unsigned char compiler_location[4];
unsigned char compiler_total[4];
unsigned char symbol_location[4];
unsigned char symbol_total[4];
unsigned char fixup_request_location[4];
unsigned char fixup_request_total[4];
unsigned char symbol_strings_location[4];
unsigned char symbol_strings_size[4];
unsigned char unloadable_sp_location[4];
unsigned char unloadable_sp_size[4];
unsigned char checksum[4];
};
#define OLD_VERSION_ID 85082112
#define NEW_VERSION_ID 87102412
#define EXECLIBMAGIC 0x0104
#define RELOC_MAGIC 0x0106
#define EXEC_MAGIC 0x0107
#define SHARE_MAGIC 0x0108
#define SHMEM_MAGIC 0x0109
#define DEMAND_MAGIC 0x010b
#define DL_MAGIC 0x010d
#define SHL_MAGIC 0x010e
struct som_external_aux_id
{
unsigned char flags[4];
unsigned char length[4];
};
/* Aux id types. */
#define VERSION_AUX_ID 6
#define COPYRIGHT_AUX_ID 9
/* Aux id flags. */
#define SOM_AUX_ID_MANDATORY (1 << 31)
#define SOM_AUX_ID_COPY (1 << 30)
#define SOM_AUX_ID_APPEND (1 << 29)
#define SOM_AUX_ID_IGNORE (1 << 28)
#define SOM_AUX_ID_TYPE_SH 0
#define SOM_AUX_ID_TYPE_MASK 0xffff
struct som_external_string_auxhdr
{
struct som_external_aux_id header_id;
/* Length of the string, without the NUL. */
unsigned char string_length[4];
/* The string. */
};
struct som_external_exec_auxhdr
{
struct som_external_aux_id som_auxhdr;
unsigned char exec_tsize[4];
unsigned char exec_tmem[4];
unsigned char exec_tfile[4];
unsigned char exec_dsize[4];
unsigned char exec_dmem[4];
unsigned char exec_dfile[4];
unsigned char exec_bsize[4];
unsigned char exec_entry[4];
unsigned char exec_flags[4];
unsigned char exec_bfill[4];
};
#define AUX_HDR_SIZE sizeof (struct som_external_exec_auxhdr)
struct som_external_space_dictionary_record
{
unsigned char name[4];
unsigned char flags[4];
unsigned char space_number[4];
unsigned char subspace_index[4];
unsigned char subspace_quantity[4];
unsigned char loader_fix_index[4];
unsigned char loader_fix_quantity[4];
unsigned char init_pointer_index[4];
unsigned char init_pointer_quantity[4];
};
#define SOM_SPACE_IS_LOADABLE (1 << 31)
#define SOM_SPACE_IS_DEFINED (1 << 30)
#define SOM_SPACE_IS_PRIVATE (1 << 29)
#define SOM_SPACE_HAS_INTERMEDIATE_CODE (1 << 28)
#define SOM_SPACE_IS_TSPECIFIC (1 << 27)
#define SOM_SPACE_SORT_KEY_SH 8
#define SOM_SPACE_SORT_KEY_MASK 0xff
struct som_external_subspace_dictionary_record
{
unsigned char space_index[4];
unsigned char flags[4];
unsigned char file_loc_init_value[4];
unsigned char initialization_length[4];
unsigned char subspace_start[4];
unsigned char subspace_length[4];
unsigned char alignment[4];
unsigned char name[4];
unsigned char fixup_request_index[4];
unsigned char fixup_request_quantity[4];
};
#define SOM_SUBSPACE_ACCESS_CONTROL_BITS_SH 25
#define SOM_SUBSPACE_ACCESS_CONTROL_BITS_MASK 0x7f
#define SOM_SUBSPACE_MEMORY_RESIDENT (1 << 24)
#define SOM_SUBSPACE_DUP_COMMON (1 << 23)
#define SOM_SUBSPACE_IS_COMMON (1 << 22)
#define SOM_SUBSPACE_IS_LOADABLE (1 << 21)
#define SOM_SUBSPACE_QUADRANT_SH 19
#define SOM_SUBSPACE_QUADRANT_MASK 0x3
#define SOM_SUBSPACE_INITIALLY_FROZEN (1 << 18)
#define SOM_SUBSPACE_IS_FIRST (1 << 17)
#define SOM_SUBSPACE_CODE_ONLY (1 << 16)
#define SOM_SUBSPACE_SORT_KEY_SH 8
#define SOM_SUBSPACE_SORT_KEY_MASK 0xff
#define SOM_SUBSPACE_REPLICATE_INIT (1 << 7)
#define SOM_SUBSPACE_CONTINUATION (1 << 6)
#define SOM_SUBSPACE_IS_TSPECIFIC (1 << 5)
#define SOM_SUBSPACE_IS_COMDAT (1 << 4)
struct som_external_compilation_unit
{
unsigned char name[4];
unsigned char language_name[4];
unsigned char product_id[4];
unsigned char version_id[4];
unsigned char flags[4];
struct som_external_clock compile_time;
struct som_external_clock source_time;
};
struct som_external_symbol_dictionary_record
{
unsigned char flags[4];
unsigned char name[4];
unsigned char qualifier_name[4];
unsigned char info[4];
unsigned char symbol_value[4];
};
/* Flags fields. */
#define SOM_SYMBOL_HIDDEN (1 << 31)
#define SOM_SYMBOL_SECONDARY_DEF (1 << 30)
#define SOM_SYMBOL_TYPE_SH 24
#define SOM_SYMBOL_TYPE_MASK 0x3f
#define SOM_SYMBOL_SCOPE_SH 20
#define SOM_SYMBOL_SCOPE_MASK 0xf
#define SOM_SYMBOL_CHECK_LEVEL_SH 17
#define SOM_SYMBOL_CHECK_LEVEL_MASK 0x7
#define SOM_SYMBOL_MUST_QUALIFY (1 << 16)
#define SOM_SYMBOL_INITIALLY_FROZEN (1 << 15)
#define SOM_SYMBOL_MEMORY_RESIDENT (1 << 14)
#define SOM_SYMBOL_IS_COMMON (1 << 13)
#define SOM_SYMBOL_DUP_COMMON (1 << 12)
#define SOM_SYMBOL_XLEAST_SH 10
#define SOM_SYMBOL_XLEAT_MASK 0x3
#define SOM_SYMBOL_ARG_RELOC_SH 0
#define SOM_SYMBOL_ARG_RELOC_MASK 0x3ff
/* Info fields. */
#define SOM_SYMBOL_HAS_LONG_RETURN (1 << 31)
#define SOM_SYMBOL_NO_RELOCATION (1 << 30)
#define SOM_SYMBOL_IS_COMDAT (1 << 29)
#define SOM_SYMBOL_SYMBOL_INFO_SH 0
#define SOM_SYMBOL_SYMBOL_INFO_MASK 0xffffff
/* Symbol type definition. */
#define ST_NULL 0
#define ST_ABSOLUTE 1
#define ST_DATA 2
#define ST_CODE 3
#define ST_PRI_PROG 4
#define ST_SEC_PROG 5
#define ST_ENTRY 6
#define ST_STORAGE 7
#define ST_STUB 8
#define ST_MODULE 9
#define ST_SYM_EXT 10
#define ST_ARG_EXT 11
#define ST_MILLICODE 12
#define ST_PLABEL 13
#define ST_OCT_DIS 14
#define ST_MILLI_EXT 15
#define ST_TSTORAGE 16
#define ST_COMDAT 17
/* Symbol scope. */
#define SS_UNSAT 0
#define SS_EXTERNAL 1
#define SS_LOCAL 2
#define SS_UNIVERSAL 3
#endif /* _SOM_AOUT_H */
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