[thirdparty/binutils-gdb.git] / bfd / elf64-target.h

/* Target definitions for 64-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 bfd_elf64_slurp_armap
#define bfd_elf64_slurp_armap		bfd_slurp_coff_armap
#endif
#define bfd_elf64_slurp_extended_name_table	_bfd_slurp_extended_name_table
#define bfd_elf64_truncate_arname		bfd_dont_truncate_arname
#define bfd_elf64_openr_next_archived_file	bfd_generic_openr_next_archived_file
#define bfd_elf64_generic_stat_arch_elt	bfd_generic_stat_arch_elt
#ifndef bfd_elf64_write_armap
#define	bfd_elf64_write_armap		coff_write_armap
#endif

/* Ordinary section reading and writing */
#define bfd_elf64_get_section_contents	bfd_generic_get_section_contents
#define	bfd_elf64_close_and_cleanup		bfd_generic_close_and_cleanup

#define bfd_elf64_bfd_debug_info_start	bfd_void
#define bfd_elf64_bfd_debug_info_end	bfd_void
#define bfd_elf64_bfd_debug_info_accumulate	(PROTO(void,(*),(bfd*, struct sec *))) bfd_void
#define bfd_elf64_bfd_get_relocated_section_contents \
 bfd_generic_get_relocated_section_contents
#define bfd_elf64_bfd_relax_section bfd_generic_relax_section
#define bfd_elf64_bfd_seclet_link bfd_generic_seclet_link
#define bfd_elf64_bfd_make_debug_symbol \
  ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)

static CONST struct elf_backend_data elf64_bed =
{
#ifdef USE_REL
  0,				/* use_rela_p */
#else
  1,				/* use_rela_p */
#endif
  0,				/* elf_64_p */
  ELF_ARCH,			/* arch */
  elf_info_to_howto,		/* elf_info_to_howto */
#ifdef elf_info_to_howto_rel
  elf_info_to_howto_rel,	/* elf_info_to_howto_rel */
#else
  0,				/* elf_info_to_howto_rel */
#endif
};

#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 */
    bfd_elf64_object_p,		/* assembler/linker output (object file) */
    bfd_generic_archive_p,	/* an archive */
    bfd_elf64_core_file_p	/* a core file */
  },

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

  /* bfd_write_contents: write cached information into a file being written */
  { bfd_false,
    bfd_elf64_write_object_contents,
    _bfd_write_archive_contents,
    bfd_false
  },

  /* Initialize a jump table with the standard macro.  All names start with
     "elf" */
  JUMP_TABLE(bfd_elf64),

  /* backend_data: */
  (PTR) &elf64_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 */
    bfd_elf64_object_p,		/* assembler/linker output (object file) */
    bfd_generic_archive_p,	/* an archive */
    bfd_elf64_core_file_p	/* a core file */
  },

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

  /* bfd_write_contents: write cached information into a file being written */
  { bfd_false,
    bfd_elf64_write_object_contents,
    _bfd_write_archive_contents,
    bfd_false
  },

  /* Initialize a jump table with the standard macro.  All names start with
     "elf" */
  JUMP_TABLE(bfd_elf64),

  /* backend_data: */
  (PTR) &elf64_bed,
};
#endif
Commit	Line	Data
3adad029 KR	1	/* Target definitions for 64-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	#ifndef bfd_elf64_slurp_armap
	30	#define bfd_elf64_slurp_armap bfd_slurp_coff_armap
	31	#endif
	32	#define bfd_elf64_slurp_extended_name_table _bfd_slurp_extended_name_table
	33	#define bfd_elf64_truncate_arname bfd_dont_truncate_arname
	34	#define bfd_elf64_openr_next_archived_file bfd_generic_openr_next_archived_file
	35	#define bfd_elf64_generic_stat_arch_elt bfd_generic_stat_arch_elt
	36	#ifndef bfd_elf64_write_armap
	37	#define bfd_elf64_write_armap coff_write_armap
	38	#endif
	39
	40	/* Ordinary section reading and writing */
	41	#define bfd_elf64_get_section_contents bfd_generic_get_section_contents
	42	#define bfd_elf64_close_and_cleanup bfd_generic_close_and_cleanup
	43
	44	#define bfd_elf64_bfd_debug_info_start bfd_void
	45	#define bfd_elf64_bfd_debug_info_end bfd_void
	46	#define bfd_elf64_bfd_debug_info_accumulate (PROTO(void,(),(bfd, struct sec *))) bfd_void
	47	#define bfd_elf64_bfd_get_relocated_section_contents \
	48	bfd_generic_get_relocated_section_contents
	49	#define bfd_elf64_bfd_relax_section bfd_generic_relax_section
	50	#define bfd_elf64_bfd_seclet_link bfd_generic_seclet_link
	51	#define bfd_elf64_bfd_make_debug_symbol \
	52	((asymbol () PARAMS ((bfd , void , unsigned long))) bfd_nullvoidptr)
	53
	54	static CONST struct elf_backend_data elf64_bed =
	55	{
	56	#ifdef USE_REL
	57	0, /* use_rela_p */
	58	#else
	59	1, /* use_rela_p */
	60	#endif
	61	0, /* elf_64_p */
	62	ELF_ARCH, /* arch */
	63	elf_info_to_howto, /* elf_info_to_howto */
	64	#ifdef elf_info_to_howto_rel
65	elf_info_to_howto_rel, /* elf_info_to_howto_rel */
66	#else
67	0, /* elf_info_to_howto_rel */
68	#endif
69	};
70
71	#ifdef TARGET_BIG_SYM
72	bfd_target TARGET_BIG_SYM =
73	{
74	/* name: identify kind of target */
75	TARGET_BIG_NAME,
76
77	/* flavour: general indication about file */
78	bfd_target_elf_flavour,
79
80	/* byteorder_big_p: data is big endian */
81	true,
82
83	/* header_byteorder_big_p: header is also big endian */
84	true,
85
86	/* object_flags: mask of all file flags */
87	(HAS_RELOC \| EXEC_P \| HAS_LINENO \| HAS_DEBUG \| HAS_SYMS \| HAS_LOCALS \|
88	DYNAMIC \| WP_TEXT),
89
90	/* section_flags: mask of all section flags */
91	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC \| SEC_READONLY \|
92	SEC_CODE \| SEC_DATA),
93
94	/* leading_symbol_char: is the first char of a user symbol
95	predictable, and if so what is it */
96	0,
97
98	/* ar_pad_char: pad character for filenames within an archive header
99	FIXME: this really has nothing to do with ELF, this is a characteristic
100	of the archiver and/or os and should be independently tunable */
101	'/',
102
103	/* ar_max_namelen: maximum number of characters in an archive header
104	FIXME: this really has nothing to do with ELF, this is a characteristic
105	of the archiver and should be independently tunable. This value is
106	a WAG (wild a** guess) */
107	15,
108
109	/* align_power_min: minimum alignment restriction for any section
110	FIXME: this value may be target machine dependent */
111	3,
112
113	/* Routines to byte-swap various sized integers from the data sections */
114	_do_getb64, _do_getb_signed_64, _do_putb64,
115	_do_getb32, _do_getb_signed_32, _do_putb32,
116	_do_getb16, _do_getb_signed_16, _do_putb16,
117
118	/* Routines to byte-swap various sized integers from the file headers */
119	_do_getb64, _do_getb_signed_64, _do_putb64,
120	_do_getb32, _do_getb_signed_32, _do_putb32,
121	_do_getb16, _do_getb_signed_16, _do_putb16,
122
123	/* bfd_check_format: check the format of a file being read */
124	{ _bfd_dummy_target, /* unknown format */
125	bfd_elf64_object_p, /* assembler/linker output (object file) */
126	bfd_generic_archive_p, /* an archive */
127	bfd_elf64_core_file_p /* a core file */
128	},
129
130	/* bfd_set_format: set the format of a file being written */
131	{ bfd_false,
132	bfd_elf_mkobject,
133	_bfd_generic_mkarchive,
134	bfd_false
135	},
136
137	/* bfd_write_contents: write cached information into a file being written */
138	{ bfd_false,
139	bfd_elf64_write_object_contents,
140	_bfd_write_archive_contents,
141	bfd_false
142	},
143
144	/* Initialize a jump table with the standard macro. All names start with
145	"elf" */
146	JUMP_TABLE(bfd_elf64),
147
148	/* backend_data: */
149	(PTR) &elf64_bed,
150	};
151	#endif
152
153	#ifdef TARGET_LITTLE_SYM
154	bfd_target TARGET_LITTLE_SYM =
155	{
156	/* name: identify kind of target */
157	TARGET_LITTLE_NAME,
158
159	/* flavour: general indication about file */
160	bfd_target_elf_flavour,
161
162	/* byteorder_big_p: data is big endian */
163	false, /* Nope -- this one's little endian */
164
165	/* header_byteorder_big_p: header is also big endian */
166	false, /* Nope -- this one's little endian */
167
168	/* object_flags: mask of all file flags */
169	(HAS_RELOC \| EXEC_P \| HAS_LINENO \| HAS_DEBUG \| HAS_SYMS \| HAS_LOCALS \|
170	DYNAMIC \| WP_TEXT),
171
172	/* section_flags: mask of all section flags */
173	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC \| SEC_READONLY \|
174	SEC_DATA),
175
176	/* leading_symbol_char: is the first char of a user symbol
177	predictable, and if so what is it */
178	0,
179
180	/* ar_pad_char: pad character for filenames within an archive header
181	FIXME: this really has nothing to do with ELF, this is a characteristic
182	of the archiver and/or os and should be independently tunable */
183	'/',
184
185	/* ar_max_namelen: maximum number of characters in an archive header
186	FIXME: this really has nothing to do with ELF, this is a characteristic
187	of the archiver and should be independently tunable. This value is
188	a WAG (wild a** guess) */
189	15,
190
191	/* align_power_min: minimum alignment restriction for any section
192	FIXME: this value may be target machine dependent */
193	3,
194
195	/* Routines to byte-swap various sized integers from the data sections */
196	_do_getl64, _do_getl_signed_64, _do_putl64,
197	_do_getl32, _do_getl_signed_32, _do_putl32,
198	_do_getl16, _do_getl_signed_16, _do_putl16,
199
200	/* Routines to byte-swap various sized integers from the file headers */
201	_do_getl64, _do_getl_signed_64, _do_putl64,
202	_do_getl32, _do_getl_signed_32, _do_putl32,
203	_do_getl16, _do_getl_signed_16, _do_putl16,
204
205	/* bfd_check_format: check the format of a file being read */
206	{ _bfd_dummy_target, /* unknown format */
207	bfd_elf64_object_p, /* assembler/linker output (object file) */
208	bfd_generic_archive_p, /* an archive */
209	bfd_elf64_core_file_p /* a core file */
210	},
211
212	/* bfd_set_format: set the format of a file being written */
213	{ bfd_false,
214	bfd_elf_mkobject,
215	_bfd_generic_mkarchive,
216	bfd_false
217	},
218
219	/* bfd_write_contents: write cached information into a file being written */
220	{ bfd_false,
221	bfd_elf64_write_object_contents,
222	_bfd_write_archive_contents,
223	bfd_false
224	},
225
226	/* Initialize a jump table with the standard macro. All names start with
227	"elf" */
228	JUMP_TABLE(bfd_elf64),
229
230	/* backend_data: */
231	(PTR) &elf64_bed,
232	};
233	#endif