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https://github.com/autc04/Retro68.git
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193 lines
4.7 KiB
C
193 lines
4.7 KiB
C
/* Oasys object format header file for BFD.
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Copyright 2001, 2010 Free Software Foundation, Inc.
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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, or (at your option)
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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
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Foundation, Inc., 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA.
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Contributed by Cygnus Support. */
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#define OASYS_MAX_SEC_COUNT 16
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/* **** */
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typedef struct oasys_archive_header
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{
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unsigned int version;
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char create_date[12];
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char revision_date[12];
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unsigned int mod_count;
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file_ptr mod_tbl_offset;
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unsigned int sym_tbl_size;
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unsigned int sym_count;
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file_ptr sym_tbl_offset;
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unsigned int xref_count;
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file_ptr xref_lst_offset;
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}
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oasys_archive_header_type;
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typedef struct oasys_extarchive_header
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{
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bfd_byte version[4];
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bfd_byte create_date[12];
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bfd_byte revision_date[12];
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bfd_byte mod_count[4];
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bfd_byte mod_tbl_offset[4];
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bfd_byte sym_tbl_size[4];
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bfd_byte sym_count[4];
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bfd_byte sym_tbl_offset[4];
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bfd_byte xref_count[4];
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bfd_byte xref_lst_offset[4];
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}
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oasys_extarchive_header_type;
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typedef struct oasys_module_table
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{
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int mod_number;
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char mod_date[12];
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unsigned int mod_size;
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unsigned int dep_count;
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unsigned int depee_count;
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file_ptr file_offset;
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unsigned int sect_count;
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char *module_name;
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unsigned int module_name_size;
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}
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oasys_module_table_type;
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typedef struct oasys_extmodule_table_a
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{
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bfd_byte mod_number[4];
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bfd_byte mod_date[12];
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bfd_byte mod_size[4];
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bfd_byte dep_count[4];
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bfd_byte depee_count[4];
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bfd_byte sect_count[4];
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bfd_byte file_offset[4];
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bfd_byte mod_name[32];
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}
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oasys_extmodule_table_type_a_type;
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typedef struct oasys_extmodule_table_b
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{
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bfd_byte mod_number[4];
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bfd_byte mod_date[12];
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bfd_byte mod_size[4];
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bfd_byte dep_count[4];
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bfd_byte depee_count[4];
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bfd_byte sect_count[4];
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bfd_byte file_offset[4];
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bfd_byte mod_name_length[4];
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}
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oasys_extmodule_table_type_b_type;
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typedef enum oasys_record
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{
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oasys_record_is_end_enum = 0,
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oasys_record_is_data_enum = 1,
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oasys_record_is_symbol_enum = 2,
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oasys_record_is_header_enum = 3,
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oasys_record_is_named_section_enum = 4,
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oasys_record_is_com_enum = 5,
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oasys_record_is_debug_enum = 6,
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oasys_record_is_section_enum = 7,
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oasys_record_is_debug_file_enum = 8,
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oasys_record_is_module_enum = 9,
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oasys_record_is_local_enum = 10
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}
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oasys_record_enum_type;
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typedef struct oasys_record_header
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{
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unsigned char length;
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unsigned char check_sum;
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unsigned char type;
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unsigned char fill;
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}
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oasys_record_header_type;
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typedef struct oasys_data_record
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{
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oasys_record_header_type header;
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unsigned char relb;
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bfd_byte addr[4];
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/* maximum total size of data record is 255 bytes */
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bfd_byte data[246];
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}
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oasys_data_record_type;
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typedef struct oasys_header_record
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{
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oasys_record_header_type header;
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unsigned char version_number;
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unsigned char rev_number;
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char module_name[26-6];
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char description[64-26];
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}
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oasys_header_record_type;
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#define OASYS_VERSION_NUMBER 0
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#define OASYS_REV_NUMBER 0
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typedef struct oasys_symbol_record
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{
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oasys_record_header_type header;
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unsigned char relb;
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bfd_byte value[4];
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bfd_byte refno[2];
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char name[64];
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}
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oasys_symbol_record_type;
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#define RELOCATION_PCREL_BIT 0x80
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#define RELOCATION_32BIT_BIT 0x40
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#define RELOCATION_TYPE_BITS 0x30
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#define RELOCATION_TYPE_ABS 0x00
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#define RELOCATION_TYPE_REL 0x10
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#define RELOCATION_TYPE_UND 0x20
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#define RELOCATION_TYPE_COM 0x30
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#define RELOCATION_SECT_BITS 0x0f
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typedef struct oasys_section_record
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{
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oasys_record_header_type header;
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unsigned char relb;
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bfd_byte value[4];
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bfd_byte vma[4];
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bfd_byte fill[3];
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}
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oasys_section_record_type;
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typedef struct oasys_end_record
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{
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oasys_record_header_type header;
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unsigned char relb;
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bfd_byte entry[4];
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bfd_byte fill[2];
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bfd_byte zero;
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}
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oasys_end_record_type;
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typedef union oasys_record_union
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{
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oasys_record_header_type header;
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oasys_data_record_type data;
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oasys_section_record_type section;
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oasys_symbol_record_type symbol;
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oasys_header_record_type first;
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oasys_end_record_type end;
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bfd_byte pad[256];
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}
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oasys_record_union_type;
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