[binutils.git] / bfd / elf32-target.h

/* Target definitions for 32-bit ELF
   Copyright 1993 Free Software Foundation, Inc.

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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* This structure contains everything that BFD knows about a target.
   It includes things like its byte order, name, what routines to call
   to do various operations, etc.  Every BFD points to a target structure
   with its "xvec" member.

   There are two such structures here:  one for big-endian machines and
   one for little-endian machines.   */

/* Archives are generic or unimplemented.  */
#ifndef elf_slurp_armap
#define elf_slurp_armap			bfd_slurp_coff_armap
#endif
#define elf_slurp_extended_name_table	_bfd_slurp_extended_name_table
#define elf_truncate_arname		bfd_dont_truncate_arname
#define elf_openr_next_archived_file	bfd_generic_openr_next_archived_file
#define elf_generic_stat_arch_elt	bfd_generic_stat_arch_elt
#ifndef elf_write_armap
#define	elf_write_armap			coff_write_armap
#endif

/* Ordinary section reading and writing */
#define elf_new_section_hook		_bfd_dummy_new_section_hook
#define elf_get_section_contents	bfd_generic_get_section_contents
/* #define elf_set_section_contents	bfd_generic_set_section_contents */
#define	elf_close_and_cleanup		bfd_generic_close_and_cleanup

#define elf_bfd_debug_info_start	bfd_void
#define elf_bfd_debug_info_end		bfd_void
#define elf_bfd_debug_info_accumulate	(PROTO(void,(*),(bfd*, struct sec *))) bfd_void
#define elf_bfd_get_relocated_section_contents \
 bfd_generic_get_relocated_section_contents
#define elf_bfd_relax_section bfd_generic_relax_section
#define elf_bfd_seclet_link bfd_generic_seclet_link
#define elf_bfd_make_debug_symbol \
  ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)

static CONST struct elf_backend_data elf_bed =
{
  elf_info_to_howto,
  ELF_ARCH,
};

#ifdef TARGET_BIG_SYM
bfd_target TARGET_BIG_SYM =
{
  /* name: identify kind of target */
  TARGET_BIG_NAME,

  /* flavour: general indication about file */
  bfd_target_elf_flavour,

  /* byteorder_big_p: data is big endian */
  true,

  /* header_byteorder_big_p: header is also big endian */
  true,

  /* object_flags: mask of all file flags */
  (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
   DYNAMIC | WP_TEXT),
  
  /* section_flags: mask of all section flags */
  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
   SEC_CODE | SEC_DATA), 

   /* leading_symbol_char: is the first char of a user symbol
      predictable, and if so what is it */
   0,

  /* ar_pad_char: pad character for filenames within an archive header
     FIXME:  this really has nothing to do with ELF, this is a characteristic
     of the archiver and/or os and should be independently tunable */
  '/',

  /* ar_max_namelen: maximum number of characters in an archive header
     FIXME:  this really has nothing to do with ELF, this is a characteristic
     of the archiver and should be independently tunable.  This value is
     a WAG (wild a** guess) */
  15,

  /* align_power_min: minimum alignment restriction for any section
     FIXME:  this value may be target machine dependent */
  3,

  /* Routines to byte-swap various sized integers from the data sections */
  _do_getb64, _do_getb_signed_64, _do_putb64,
    _do_getb32, _do_getb_signed_32, _do_putb32,
    _do_getb16, _do_getb_signed_16, _do_putb16,

  /* Routines to byte-swap various sized integers from the file headers */
  _do_getb64, _do_getb_signed_64, _do_putb64,
    _do_getb32, _do_getb_signed_32, _do_putb32,
    _do_getb16, _do_getb_signed_16, _do_putb16,

  /* bfd_check_format: check the format of a file being read */
  { _bfd_dummy_target,		/* unknown format */
    elf_object_p,		/* assembler/linker output (object file) */
    bfd_generic_archive_p,	/* an archive */
    elf_core_file_p		/* a core file */
  },

  /* bfd_set_format: set the format of a file being written */
  { bfd_false,
    elf_mkobject,
    _bfd_generic_mkarchive,
    bfd_false
  },

  /* bfd_write_contents: write cached information into a file being written */
  { bfd_false,
    elf_write_object_contents,
    _bfd_write_archive_contents,
    bfd_false
  },

  /* Initialize a jump table with the standard macro.  All names start with
     "elf" */
  JUMP_TABLE(elf),

  /* backend_data: */
  (PTR) &elf_bed,
};
#endif

#ifdef TARGET_LITTLE_SYM
bfd_target TARGET_LITTLE_SYM =
{
  /* name: identify kind of target */
  TARGET_LITTLE_NAME,

  /* flavour: general indication about file */
  bfd_target_elf_flavour,

  /* byteorder_big_p: data is big endian */
  false,		/* Nope -- this one's little endian */

  /* header_byteorder_big_p: header is also big endian */
  false,		/* Nope -- this one's little endian */

  /* object_flags: mask of all file flags */
  (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
   DYNAMIC | WP_TEXT),
  
  /* section_flags: mask of all section flags */
  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
   SEC_DATA), 

   /* leading_symbol_char: is the first char of a user symbol
      predictable, and if so what is it */
   0,

  /* ar_pad_char: pad character for filenames within an archive header
     FIXME:  this really has nothing to do with ELF, this is a characteristic
     of the archiver and/or os and should be independently tunable */
  '/',

  /* ar_max_namelen: maximum number of characters in an archive header
     FIXME:  this really has nothing to do with ELF, this is a characteristic
     of the archiver and should be independently tunable.  This value is
     a WAG (wild a** guess) */
  15,

  /* align_power_min: minimum alignment restriction for any section
     FIXME:  this value may be target machine dependent */
  3,

  /* Routines to byte-swap various sized integers from the data sections */
  _do_getl64, _do_getl_signed_64, _do_putl64,
    _do_getl32, _do_getl_signed_32, _do_putl32,
    _do_getl16, _do_getl_signed_16, _do_putl16,

  /* Routines to byte-swap various sized integers from the file headers */
  _do_getl64, _do_getl_signed_64, _do_putl64,
    _do_getl32, _do_getl_signed_32, _do_putl32,
    _do_getl16, _do_getl_signed_16, _do_putl16,

  /* bfd_check_format: check the format of a file being read */
  { _bfd_dummy_target,		/* unknown format */
    elf_object_p,		/* assembler/linker output (object file) */
    bfd_generic_archive_p,	/* an archive */
    elf_core_file_p		/* a core file */
  },

  /* bfd_set_format: set the format of a file being written */
  { bfd_false,
    elf_mkobject,
    _bfd_generic_mkarchive,
    bfd_false
  },

  /* bfd_write_contents: write cached information into a file being written */
  { bfd_false,
    elf_write_object_contents,
    _bfd_write_archive_contents,
    bfd_false
  },

  /* Initialize a jump table with the standard macro.  All names start with
     "elf" */
  JUMP_TABLE(elf),

  /* backend_data: */
  (PTR) &elf_bed,
};
#endif
Commit	Line	Data
81187b54 KR	1	/* Target definitions for 32-bit ELF
	2	Copyright 1993 Free Software Foundation, Inc.
	3
	4	This file is part of BFD, the Binary File Descriptor library.
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	19
	20	/* This structure contains everything that BFD knows about a target.
	21	It includes things like its byte order, name, what routines to call
	22	to do various operations, etc. Every BFD points to a target structure
	23	with its "xvec" member.
	24
	25	There are two such structures here: one for big-endian machines and
	26	one for little-endian machines. */
	27
	28	/* Archives are generic or unimplemented. */
ae06054e	29	#ifndef elf_slurp_armap
81187b54	30	#define elf_slurp_armap bfd_slurp_coff_armap
ae06054e	31	#endif
81187b54 KR	32	#define elf_slurp_extended_name_table _bfd_slurp_extended_name_table
	33	#define elf_truncate_arname bfd_dont_truncate_arname
	34	#define elf_openr_next_archived_file bfd_generic_openr_next_archived_file
	35	#define elf_generic_stat_arch_elt bfd_generic_stat_arch_elt
ae06054e	36	#ifndef elf_write_armap
81187b54	37	#define elf_write_armap coff_write_armap
ae06054e	38	#endif
81187b54 KR	39
	40	/* Ordinary section reading and writing */
	41	#define elf_new_section_hook _bfd_dummy_new_section_hook
	42	#define elf_get_section_contents bfd_generic_get_section_contents
	43	/* #define elf_set_section_contents bfd_generic_set_section_contents */
	44	#define elf_close_and_cleanup bfd_generic_close_and_cleanup
	45
	46	#define elf_bfd_debug_info_start bfd_void
	47	#define elf_bfd_debug_info_end bfd_void
	48	#define elf_bfd_debug_info_accumulate (PROTO(void,(),(bfd, struct sec *))) bfd_void
	49	#define elf_bfd_get_relocated_section_contents \
	50	bfd_generic_get_relocated_section_contents
	51	#define elf_bfd_relax_section bfd_generic_relax_section
	52	#define elf_bfd_seclet_link bfd_generic_seclet_link
	53	#define elf_bfd_make_debug_symbol \
	54	((asymbol () PARAMS ((bfd , void , unsigned long))) bfd_nullvoidptr)
	55
	56	static CONST struct elf_backend_data elf_bed =
	57	{
	58	elf_info_to_howto,
	59	ELF_ARCH,
	60	};
	61
	62	#ifdef TARGET_BIG_SYM
	63	bfd_target TARGET_BIG_SYM =
	64	{
	65	/* name: identify kind of target */
	66	TARGET_BIG_NAME,
	67
	68	/* flavour: general indication about file */
	69	bfd_target_elf_flavour,
	70
	71	/* byteorder_big_p: data is big endian */
	72	true,
	73
	74	/* header_byteorder_big_p: header is also big endian */
	75	true,
	76
	77	/* object_flags: mask of all file flags */
	78	(HAS_RELOC \| EXEC_P \| HAS_LINENO \| HAS_DEBUG \| HAS_SYMS \| HAS_LOCALS \|
	79	DYNAMIC \| WP_TEXT),
	80
	81	/* section_flags: mask of all section flags */
	82	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC \| SEC_READONLY \|
	83	SEC_CODE \| SEC_DATA),
	84
	85	/* leading_symbol_char: is the first char of a user symbol
	86	predictable, and if so what is it */
	87	0,
	88
	89	/* ar_pad_char: pad character for filenames within an archive header
	90	FIXME: this really has nothing to do with ELF, this is a characteristic
	91	of the archiver and/or os and should be independently tunable */
	92	'/',
	93
	94	/* ar_max_namelen: maximum number of characters in an archive header
	95	FIXME: this really has nothing to do with ELF, this is a characteristic
	96	of the archiver and should be independently tunable. This value is
	97	a WAG (wild a** guess) */
	98	15,
	99
	100	/* align_power_min: minimum alignment restriction for any section
	101	FIXME: this value may be target machine dependent */
	102	3,
103
104	/* Routines to byte-swap various sized integers from the data sections */
14e3c2e4 JK	105	_do_getb64, _do_getb_signed_64, _do_putb64,
	106	_do_getb32, _do_getb_signed_32, _do_putb32,
	107	_do_getb16, _do_getb_signed_16, _do_putb16,
81187b54 KR	108
81187b54 KR	109	/* Routines to byte-swap various sized integers from the file headers */
14e3c2e4 JK	110	_do_getb64, _do_getb_signed_64, _do_putb64,
	111	_do_getb32, _do_getb_signed_32, _do_putb32,
	112	_do_getb16, _do_getb_signed_16, _do_putb16,
81187b54 KR	113
	114	/* bfd_check_format: check the format of a file being read */
	115	{ _bfd_dummy_target, /* unknown format */
	116	elf_object_p, /* assembler/linker output (object file) */
	117	bfd_generic_archive_p, /* an archive */
	118	elf_core_file_p /* a core file */
	119	},
	120
	121	/* bfd_set_format: set the format of a file being written */
	122	{ bfd_false,
	123	elf_mkobject,
	124	_bfd_generic_mkarchive,
	125	bfd_false
	126	},
	127
	128	/* bfd_write_contents: write cached information into a file being written */
	129	{ bfd_false,
	130	elf_write_object_contents,
	131	_bfd_write_archive_contents,
	132	bfd_false
	133	},
	134
	135	/* Initialize a jump table with the standard macro. All names start with
	136	"elf" */
	137	JUMP_TABLE(elf),
	138
	139	/* backend_data: */
	140	(PTR) &elf_bed,
	141	};
	142	#endif
	143
	144	#ifdef TARGET_LITTLE_SYM
	145	bfd_target TARGET_LITTLE_SYM =
	146	{
	147	/* name: identify kind of target */
	148	TARGET_LITTLE_NAME,
	149
	150	/* flavour: general indication about file */
	151	bfd_target_elf_flavour,
	152
	153	/* byteorder_big_p: data is big endian */
	154	false, /* Nope -- this one's little endian */
	155
	156	/* header_byteorder_big_p: header is also big endian */
	157	false, /* Nope -- this one's little endian */
	158
	159	/* object_flags: mask of all file flags */
	160	(HAS_RELOC \| EXEC_P \| HAS_LINENO \| HAS_DEBUG \| HAS_SYMS \| HAS_LOCALS \|
	161	DYNAMIC \| WP_TEXT),
	162
	163	/* section_flags: mask of all section flags */
	164	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC \| SEC_READONLY \|
	165	SEC_DATA),
	166
	167	/* leading_symbol_char: is the first char of a user symbol
	168	predictable, and if so what is it */
	169	0,
	170
	171	/* ar_pad_char: pad character for filenames within an archive header
	172	FIXME: this really has nothing to do with ELF, this is a characteristic
	173	of the archiver and/or os and should be independently tunable */
	174	'/',
	175
	176	/* ar_max_namelen: maximum number of characters in an archive header
177	FIXME: this really has nothing to do with ELF, this is a characteristic
178	of the archiver and should be independently tunable. This value is
179	a WAG (wild a** guess) */
180	15,
181
182	/* align_power_min: minimum alignment restriction for any section
183	FIXME: this value may be target machine dependent */
184	3,
185
186	/* Routines to byte-swap various sized integers from the data sections */
14e3c2e4 JK	187	_do_getl64, _do_getl_signed_64, _do_putl64,
	188	_do_getl32, _do_getl_signed_32, _do_putl32,
	189	_do_getl16, _do_getl_signed_16, _do_putl16,
81187b54 KR	190
81187b54 KR	191	/* Routines to byte-swap various sized integers from the file headers */
14e3c2e4 JK	192	_do_getl64, _do_getl_signed_64, _do_putl64,
	193	_do_getl32, _do_getl_signed_32, _do_putl32,
	194	_do_getl16, _do_getl_signed_16, _do_putl16,
81187b54 KR	195
	196	/* bfd_check_format: check the format of a file being read */
	197	{ _bfd_dummy_target, /* unknown format */
	198	elf_object_p, /* assembler/linker output (object file) */
	199	bfd_generic_archive_p, /* an archive */
	200	elf_core_file_p /* a core file */
	201	},
	202
	203	/* bfd_set_format: set the format of a file being written */
	204	{ bfd_false,
	205	elf_mkobject,
	206	_bfd_generic_mkarchive,
	207	bfd_false
	208	},
	209
	210	/* bfd_write_contents: write cached information into a file being written */
	211	{ bfd_false,
	212	elf_write_object_contents,
	213	_bfd_write_archive_contents,
	214	bfd_false
	215	},
	216
	217	/* Initialize a jump table with the standard macro. All names start with
	218	"elf" */
	219	JUMP_TABLE(elf),
	220
	221	/* backend_data: */
	222	(PTR) &elf_bed,
	223	};
	224	#endif