[deliverable/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)

#ifndef elf_info_to_howto_rel
#define elf_info_to_howto_rel 0
#endif

#ifndef ELF_MAXPAGESIZE
#define ELF_MAXPAGESIZE 1
#endif

#ifndef elf_backend_sym_is_global
#define elf_backend_sym_is_global	0
#endif
#ifndef elf_backend_object_p
#define elf_backend_object_p		0
#endif
#ifndef elf_backend_symbol_processing
#define elf_backend_symbol_processing	0
#endif
#ifndef elf_backend_symbol_table_processing
#define elf_backend_symbol_table_processing	0
#endif
#ifndef elf_backend_section_processing
#define elf_backend_section_processing	0
#endif
#ifndef elf_backend_section_from_shdr
#define elf_backend_section_from_shdr	0
#endif
#ifndef elf_backend_fake_sections
#define elf_backend_fake_sections	0
#endif
#ifndef elf_backend_section_from_bfd_section
#define elf_backend_section_from_bfd_section	0
#endif
#ifndef elf_backend_final_write_processing
#define elf_backend_final_write_processing	0
#endif
#ifndef elf_backend_ecoff_debug_swap
#define elf_backend_ecoff_debug_swap	0
#endif

static CONST struct elf_backend_data elf64_bed =
{
#ifdef USE_REL
  0,				/* use_rela_p */
#else
  1,				/* use_rela_p */
#endif
  1,				/* elf_64_p */
  ELF_ARCH,			/* arch */
  ELF_MACHINE_CODE,		/* elf_machine_code */
  ELF_MAXPAGESIZE,		/* maxpagesize */
  elf_info_to_howto,
  elf_info_to_howto_rel,
  elf_backend_sym_is_global,
  elf_backend_object_p,
  elf_backend_symbol_processing,
  elf_backend_symbol_table_processing,
  elf_backend_section_processing,
  elf_backend_section_from_shdr,
  elf_backend_fake_sections,
  elf_backend_section_from_bfd_section,
  elf_backend_ecoff_debug_swap
};

#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 | SEC_DEBUGGING),

   /* 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 */
  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
    bfd_getb32, bfd_getb_signed_32, bfd_putb32,
    bfd_getb16, bfd_getb_signed_16, bfd_putb16,

  /* Routines to byte-swap various sized integers from the file headers */
  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
    bfd_getb32, bfd_getb_signed_32, bfd_putb32,
    bfd_getb16, bfd_getb_signed_16, bfd_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_CODE | SEC_DATA | SEC_DEBUGGING),

   /* 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 */
  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
    bfd_getl32, bfd_getl_signed_32, bfd_putl32,
    bfd_getl16, bfd_getl_signed_16, bfd_putl16,

  /* Routines to byte-swap various sized integers from the file headers */
  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
    bfd_getl32, bfd_getl_signed_32, bfd_putl32,
    bfd_getl16, bfd_getl_signed_16, bfd_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
b3024965 KR	54	#ifndef elf_info_to_howto_rel
	55	#define elf_info_to_howto_rel 0
	56	#endif
	57
	58	#ifndef ELF_MAXPAGESIZE
	59	#define ELF_MAXPAGESIZE 1
	60	#endif
	61
643e9fc7 ILT	62	#ifndef elf_backend_sym_is_global
	63	#define elf_backend_sym_is_global 0
	64	#endif
a5ccdad1	65	#ifndef elf_backend_object_p
643e9fc7	66	#define elf_backend_object_p 0
a5ccdad1	67	#endif
95469b02	68	#ifndef elf_backend_symbol_processing
643e9fc7	69	#define elf_backend_symbol_processing 0
95469b02 ILT	70	#endif
95469b02 ILT	71	#ifndef elf_backend_symbol_table_processing
643e9fc7	72	#define elf_backend_symbol_table_processing 0
95469b02 ILT	73	#endif
95469b02 ILT	74	#ifndef elf_backend_section_processing
643e9fc7	75	#define elf_backend_section_processing 0
95469b02 ILT	76	#endif
95469b02 ILT	77	#ifndef elf_backend_section_from_shdr
643e9fc7	78	#define elf_backend_section_from_shdr 0
95469b02 ILT	79	#endif
95469b02 ILT	80	#ifndef elf_backend_fake_sections
643e9fc7	81	#define elf_backend_fake_sections 0
95469b02 ILT	82	#endif
95469b02 ILT	83	#ifndef elf_backend_section_from_bfd_section
643e9fc7 ILT	84	#define elf_backend_section_from_bfd_section 0
	85	#endif
	86	#ifndef elf_backend_final_write_processing
	87	#define elf_backend_final_write_processing 0
95469b02 ILT	88	#endif
95469b02 ILT	89	#ifndef elf_backend_ecoff_debug_swap
643e9fc7	90	#define elf_backend_ecoff_debug_swap 0
95469b02 ILT	91	#endif
95469b02 ILT	92
3adad029 KR	93	static CONST struct elf_backend_data elf64_bed =
	94	{
	95	#ifdef USE_REL
	96	0, /* use_rela_p */
	97	#else
	98	1, /* use_rela_p */
	99	#endif
95469b02	100	1, /* elf_64_p */
3adad029	101	ELF_ARCH, /* arch */
a5ccdad1	102	ELF_MACHINE_CODE, /* elf_machine_code */
95469b02	103	ELF_MAXPAGESIZE, /* maxpagesize */
643e9fc7 ILT	104	elf_info_to_howto,
	105	elf_info_to_howto_rel,
	106	elf_backend_sym_is_global,
	107	elf_backend_object_p,
	108	elf_backend_symbol_processing,
	109	elf_backend_symbol_table_processing,
	110	elf_backend_section_processing,
	111	elf_backend_section_from_shdr,
	112	elf_backend_fake_sections,
	113	elf_backend_section_from_bfd_section,
	114	elf_backend_ecoff_debug_swap
3adad029 KR	115	};
	116
	117	#ifdef TARGET_BIG_SYM
	118	bfd_target TARGET_BIG_SYM =
	119	{
	120	/* name: identify kind of target */
	121	TARGET_BIG_NAME,
	122
	123	/* flavour: general indication about file */
	124	bfd_target_elf_flavour,
	125
	126	/* byteorder_big_p: data is big endian */
	127	true,
	128
	129	/* header_byteorder_big_p: header is also big endian */
	130	true,
	131
	132	/* object_flags: mask of all file flags */
	133	(HAS_RELOC \| EXEC_P \| HAS_LINENO \| HAS_DEBUG \| HAS_SYMS \| HAS_LOCALS \|
	134	DYNAMIC \| WP_TEXT),
	135
	136	/* section_flags: mask of all section flags */
	137	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC \| SEC_READONLY \|
d6e5f950	138	SEC_CODE \| SEC_DATA \| SEC_DEBUGGING),
3adad029 KR	139
	140	/* leading_symbol_char: is the first char of a user symbol
	141	predictable, and if so what is it */
	142	0,
	143
	144	/* ar_pad_char: pad character for filenames within an archive header
	145	FIXME: this really has nothing to do with ELF, this is a characteristic
	146	of the archiver and/or os and should be independently tunable */
	147	'/',
	148
	149	/* ar_max_namelen: maximum number of characters in an archive header
	150	FIXME: this really has nothing to do with ELF, this is a characteristic
	151	of the archiver and should be independently tunable. This value is
	152	a WAG (wild a** guess) */
	153	15,
	154
	155	/* align_power_min: minimum alignment restriction for any section
	156	FIXME: this value may be target machine dependent */
	157	3,
	158
	159	/* Routines to byte-swap various sized integers from the data sections */
23f44e6f ILT	160	bfd_getb64, bfd_getb_signed_64, bfd_putb64,
	161	bfd_getb32, bfd_getb_signed_32, bfd_putb32,
	162	bfd_getb16, bfd_getb_signed_16, bfd_putb16,
3adad029 KR	163
3adad029 KR	164	/* Routines to byte-swap various sized integers from the file headers */
23f44e6f ILT	165	bfd_getb64, bfd_getb_signed_64, bfd_putb64,
	166	bfd_getb32, bfd_getb_signed_32, bfd_putb32,
	167	bfd_getb16, bfd_getb_signed_16, bfd_putb16,
3adad029 KR	168
	169	/* bfd_check_format: check the format of a file being read */
	170	{ _bfd_dummy_target, /* unknown format */
	171	bfd_elf64_object_p, /* assembler/linker output (object file) */
	172	bfd_generic_archive_p, /* an archive */
	173	bfd_elf64_core_file_p /* a core file */
	174	},
	175
	176	/* bfd_set_format: set the format of a file being written */
	177	{ bfd_false,
	178	bfd_elf_mkobject,
	179	_bfd_generic_mkarchive,
	180	bfd_false
	181	},
	182
	183	/* bfd_write_contents: write cached information into a file being written */
	184	{ bfd_false,
	185	bfd_elf64_write_object_contents,
	186	_bfd_write_archive_contents,
	187	bfd_false
	188	},
	189
	190	/* Initialize a jump table with the standard macro. All names start with
	191	"elf" */
	192	JUMP_TABLE(bfd_elf64),
	193
	194	/* backend_data: */
	195	(PTR) &elf64_bed,
	196	};
	197	#endif
	198
	199	#ifdef TARGET_LITTLE_SYM
	200	bfd_target TARGET_LITTLE_SYM =
	201	{
	202	/* name: identify kind of target */
	203	TARGET_LITTLE_NAME,
	204
	205	/* flavour: general indication about file */
	206	bfd_target_elf_flavour,
	207
	208	/* byteorder_big_p: data is big endian */
	209	false, /* Nope -- this one's little endian */
	210
	211	/* header_byteorder_big_p: header is also big endian */
	212	false, /* Nope -- this one's little endian */
	213
	214	/* object_flags: mask of all file flags */
	215	(HAS_RELOC \| EXEC_P \| HAS_LINENO \| HAS_DEBUG \| HAS_SYMS \| HAS_LOCALS \|
	216	DYNAMIC \| WP_TEXT),
	217
	218	/* section_flags: mask of all section flags */
	219	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC \| SEC_READONLY \|
d6e5f950	220	SEC_CODE \| SEC_DATA \| SEC_DEBUGGING),
3adad029 KR	221
	222	/* leading_symbol_char: is the first char of a user symbol
	223	predictable, and if so what is it */
	224	0,
	225
	226	/* ar_pad_char: pad character for filenames within an archive header
	227	FIXME: this really has nothing to do with ELF, this is a characteristic
	228	of the archiver and/or os and should be independently tunable */
	229	'/',
	230
	231	/* ar_max_namelen: maximum number of characters in an archive header
	232	FIXME: this really has nothing to do with ELF, this is a characteristic
	233	of the archiver and should be independently tunable. This value is
	234	a WAG (wild a** guess) */
	235	15,
	236
	237	/* align_power_min: minimum alignment restriction for any section
	238	FIXME: this value may be target machine dependent */
	239	3,
	240
	241	/* Routines to byte-swap various sized integers from the data sections */
23f44e6f ILT	242	bfd_getl64, bfd_getl_signed_64, bfd_putl64,
	243	bfd_getl32, bfd_getl_signed_32, bfd_putl32,
	244	bfd_getl16, bfd_getl_signed_16, bfd_putl16,
3adad029 KR	245
3adad029 KR	246	/* Routines to byte-swap various sized integers from the file headers */
23f44e6f ILT	247	bfd_getl64, bfd_getl_signed_64, bfd_putl64,
	248	bfd_getl32, bfd_getl_signed_32, bfd_putl32,
	249	bfd_getl16, bfd_getl_signed_16, bfd_putl16,
3adad029 KR	250
	251	/* bfd_check_format: check the format of a file being read */
	252	{ _bfd_dummy_target, /* unknown format */
	253	bfd_elf64_object_p, /* assembler/linker output (object file) */
	254	bfd_generic_archive_p, /* an archive */
	255	bfd_elf64_core_file_p /* a core file */
	256	},
	257
	258	/* bfd_set_format: set the format of a file being written */
	259	{ bfd_false,
	260	bfd_elf_mkobject,
	261	_bfd_generic_mkarchive,
	262	bfd_false
	263	},
	264
	265	/* bfd_write_contents: write cached information into a file being written */
	266	{ bfd_false,
	267	bfd_elf64_write_object_contents,
	268	_bfd_write_archive_contents,
	269	bfd_false
	270	},
	271
	272	/* Initialize a jump table with the standard macro. All names start with
	273	"elf" */
	274	JUMP_TABLE(bfd_elf64),
	275
	276	/* backend_data: */
	277	(PTR) &elf64_bed,
	278	};
	279	#endif