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/* SOM a.out definitions for BFD. |
Copyright 2010 Free Software Foundation, Inc. |
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 |
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. |
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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. |
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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. */ |
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#ifndef _SOM_AOUT_H |
#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: |
- CPUs supported by SOM (hppa) are big-endian, |
- the MSB is numbered 0. */ |
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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]; |
}; |
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#define OLD_VERSION_ID 85082112 |
#define NEW_VERSION_ID 87102412 |
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#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 |
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struct som_external_aux_id |
{ |
unsigned char flags[4]; |
unsigned char length[4]; |
}; |
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/* Aux id types. */ |
#define VERSION_AUX_ID 6 |
#define COPYRIGHT_AUX_ID 9 |
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/* 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 |
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struct som_external_string_auxhdr |
{ |
struct som_external_aux_id header_id; |
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/* Length of the string, without the NUL. */ |
unsigned char string_length[4]; |
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/* The string. */ |
}; |
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struct som_external_exec_auxhdr |
{ |
struct som_external_aux_id som_auxhdr; |
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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]; |
}; |
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#define AUX_HDR_SIZE sizeof (struct som_external_exec_auxhdr) |
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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]; |
}; |
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#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 |
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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]; |
}; |
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#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) |
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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; |
}; |
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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]; |
}; |
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/* 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 |
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/* 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 |
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/* 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 |
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/* Symbol scope. */ |
#define SS_UNSAT 0 |
#define SS_EXTERNAL 1 |
#define SS_LOCAL 2 |
#define SS_UNIVERSAL 3 |
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#endif /* _SOM_AOUT_H */ |