| /* SOM a.out definitions for BFD. |
| Copyright (C) 2010-2021 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 (1u << 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 (1u << 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 0x7fU |
| #define SOM_SUBSPACE_MEMORY_RESIDENT (1U << 24) |
| #define SOM_SUBSPACE_DUP_COMMON (1U << 23) |
| #define SOM_SUBSPACE_IS_COMMON (1U << 22) |
| #define SOM_SUBSPACE_IS_LOADABLE (1U << 21) |
| #define SOM_SUBSPACE_QUADRANT_SH 19 |
| #define SOM_SUBSPACE_QUADRANT_MASK 0x3U |
| #define SOM_SUBSPACE_INITIALLY_FROZEN (1U << 18) |
| #define SOM_SUBSPACE_IS_FIRST (1U << 17) |
| #define SOM_SUBSPACE_CODE_ONLY (1U << 16) |
| #define SOM_SUBSPACE_SORT_KEY_SH 8 |
| #define SOM_SUBSPACE_SORT_KEY_MASK 0xffU |
| #define SOM_SUBSPACE_REPLICATE_INIT (1U << 7) |
| #define SOM_SUBSPACE_CONTINUATION (1U << 6) |
| #define SOM_SUBSPACE_IS_TSPECIFIC (1U << 5) |
| #define SOM_SUBSPACE_IS_COMDAT (1U << 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 (1u << 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 (1u << 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 */ |