[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.  */
#define elf_slurp_armap			bfd_slurp_coff_armap
#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
#define	elf_write_armap			coff_write_armap

/* 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_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16,

  /* Routines to byte-swap various sized integers from the file headers */
  _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _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_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16,

  /* Routines to byte-swap various sized integers from the file headers */
  _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _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. */
	29	#define elf_slurp_armap bfd_slurp_coff_armap
	30	#define elf_slurp_extended_name_table _bfd_slurp_extended_name_table
	31	#define elf_truncate_arname bfd_dont_truncate_arname
	32	#define elf_openr_next_archived_file bfd_generic_openr_next_archived_file
	33	#define elf_generic_stat_arch_elt bfd_generic_stat_arch_elt
	34	#define elf_write_armap coff_write_armap
	35
	36	/* Ordinary section reading and writing */
	37	#define elf_new_section_hook _bfd_dummy_new_section_hook
	38	#define elf_get_section_contents bfd_generic_get_section_contents
	39	/* #define elf_set_section_contents bfd_generic_set_section_contents */
	40	#define elf_close_and_cleanup bfd_generic_close_and_cleanup
	41
	42	#define elf_bfd_debug_info_start bfd_void
	43	#define elf_bfd_debug_info_end bfd_void
	44	#define elf_bfd_debug_info_accumulate (PROTO(void,(),(bfd, struct sec *))) bfd_void
	45	#define elf_bfd_get_relocated_section_contents \
	46	bfd_generic_get_relocated_section_contents
	47	#define elf_bfd_relax_section bfd_generic_relax_section
	48	#define elf_bfd_seclet_link bfd_generic_seclet_link
	49	#define elf_bfd_make_debug_symbol \
	50	((asymbol () PARAMS ((bfd , void , unsigned long))) bfd_nullvoidptr)
	51
	52	static CONST struct elf_backend_data elf_bed =
	53	{
	54	elf_info_to_howto,
	55	ELF_ARCH,
	56	};
	57
	58	#ifdef TARGET_BIG_SYM
	59	bfd_target TARGET_BIG_SYM =
	60	{
	61	/* name: identify kind of target */
	62	TARGET_BIG_NAME,
	63
	64	/* flavour: general indication about file */
65	bfd_target_elf_flavour,
66
67	/* byteorder_big_p: data is big endian */
68	true,
69
70	/* header_byteorder_big_p: header is also big endian */
71	true,
72
73	/* object_flags: mask of all file flags */
74	(HAS_RELOC \| EXEC_P \| HAS_LINENO \| HAS_DEBUG \| HAS_SYMS \| HAS_LOCALS \|
75	DYNAMIC \| WP_TEXT),
76
77	/* section_flags: mask of all section flags */
78	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC \| SEC_READONLY \|
79	SEC_CODE \| SEC_DATA),
80
81	/* leading_symbol_char: is the first char of a user symbol
82	predictable, and if so what is it */
83	0,
84
85	/* ar_pad_char: pad character for filenames within an archive header
86	FIXME: this really has nothing to do with ELF, this is a characteristic
87	of the archiver and/or os and should be independently tunable */
88	'/',
89
90	/* ar_max_namelen: maximum number of characters in an archive header
91	FIXME: this really has nothing to do with ELF, this is a characteristic
92	of the archiver and should be independently tunable. This value is
93	a WAG (wild a** guess) */
94	15,
95
96	/* align_power_min: minimum alignment restriction for any section
97	FIXME: this value may be target machine dependent */
98	3,
99
100	/* Routines to byte-swap various sized integers from the data sections */
101	_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16,
102
103	/* Routines to byte-swap various sized integers from the file headers */
104	_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16,
105
106	/* bfd_check_format: check the format of a file being read */
107	{ _bfd_dummy_target, /* unknown format */
108	elf_object_p, /* assembler/linker output (object file) */
109	bfd_generic_archive_p, /* an archive */
110	elf_core_file_p /* a core file */
111	},
112
113	/* bfd_set_format: set the format of a file being written */
114	{ bfd_false,
115	elf_mkobject,
116	_bfd_generic_mkarchive,
117	bfd_false
118	},
119
120	/* bfd_write_contents: write cached information into a file being written */
121	{ bfd_false,
122	elf_write_object_contents,
123	_bfd_write_archive_contents,
124	bfd_false
125	},
126
127	/* Initialize a jump table with the standard macro. All names start with
128	"elf" */
129	JUMP_TABLE(elf),
130
131	/* backend_data: */
132	(PTR) &elf_bed,
133	};
134	#endif
135
136	#ifdef TARGET_LITTLE_SYM
137	bfd_target TARGET_LITTLE_SYM =
138	{
139	/* name: identify kind of target */
140	TARGET_LITTLE_NAME,
141
142	/* flavour: general indication about file */
143	bfd_target_elf_flavour,
144
145	/* byteorder_big_p: data is big endian */
146	false, /* Nope -- this one's little endian */
147
148	/* header_byteorder_big_p: header is also big endian */
149	false, /* Nope -- this one's little endian */
150
151	/* object_flags: mask of all file flags */
152	(HAS_RELOC \| EXEC_P \| HAS_LINENO \| HAS_DEBUG \| HAS_SYMS \| HAS_LOCALS \|
153	DYNAMIC \| WP_TEXT),
154
155	/* section_flags: mask of all section flags */
156	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC \| SEC_READONLY \|
157	SEC_DATA),
158
159	/* leading_symbol_char: is the first char of a user symbol
160	predictable, and if so what is it */
161	0,
162
163	/* ar_pad_char: pad character for filenames within an archive header
164	FIXME: this really has nothing to do with ELF, this is a characteristic
165	of the archiver and/or os and should be independently tunable */
166	'/',
167
168	/* ar_max_namelen: maximum number of characters in an archive header
169	FIXME: this really has nothing to do with ELF, this is a characteristic
170	of the archiver and should be independently tunable. This value is
171	a WAG (wild a** guess) */
172	15,
173
174	/* align_power_min: minimum alignment restriction for any section
175	FIXME: this value may be target machine dependent */
176	3,
177
178	/* Routines to byte-swap various sized integers from the data sections */
179	_do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16,
180
181	/* Routines to byte-swap various sized integers from the file headers */
182	_do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16,
183
184	/* bfd_check_format: check the format of a file being read */
185	{ _bfd_dummy_target, /* unknown format */
186	elf_object_p, /* assembler/linker output (object file) */
187	bfd_generic_archive_p, /* an archive */
188	elf_core_file_p /* a core file */
189	},
190
191	/* bfd_set_format: set the format of a file being written */
192	{ bfd_false,
193	elf_mkobject,
194	_bfd_generic_mkarchive,
195	bfd_false
196	},
197
198	/* bfd_write_contents: write cached information into a file being written */
199	{ bfd_false,
200	elf_write_object_contents,
201	_bfd_write_archive_contents,
202	bfd_false
203	},
204
205	/* Initialize a jump table with the standard macro. All names start with
206	"elf" */
207	JUMP_TABLE(elf),
208
209	/* backend_data: */
210	(PTR) &elf_bed,
211	};
212	#endif