Subversion Repositories openrisc_2011-10-31

/* SOM a.out definitions for BFD.

   Copyright 2010  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 */