/* SOM a.out definitions for BFD. Copyright (C) 2010-2021 Free Software Foundation, Inc. Contributed by Tristan Gingold , 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 */