[binutils.git] / bfd / libbfd.h

/* libbfd.h -- Declarations used by bfd library *implementation*.
   (This include file is not for users of the library.)
   Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
   Written by Cygnus Support.

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.  */

/* Align an address upward to a boundary, expressed as a number of bytes.
   E.g. align to an 8-byte boundary with argument of 8.  */
#define BFD_ALIGN(this, boundary) \
  ((( (this) + ((boundary) -1)) & (~((boundary)-1))))

/* If you want to read and write large blocks, you might want to do it
   in quanta of this amount */
#define DEFAULT_BUFFERSIZE 8192

/* Set a tdata field.  Can't use the other macros for this, since they
   do casts, and casting to the left of assignment isn't portable.  */
#define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))

/* tdata for an archive.  For an input archive, cache
   needs to be free()'d.  For an output archive, symdefs do.  */

struct artdata {
  file_ptr first_file_filepos;
  /* Speed up searching the armap */
  struct ar_cache *cache;
  bfd *archive_head;            /* Only interesting in output routines */
  carsym *symdefs;		/* the symdef entries */
  symindex symdef_count;             /* how many there are */
  char *extended_names;		/* clever intel extension */
  /* when more compilers are standard C, this can be a time_t */
  long  armap_timestamp;	/* Timestamp value written into armap.
				   This is used for BSD archives to check
				   that the timestamp is recent enough
				   for the BSD linker to not complain,
				   just before we finish writing an
				   archive.  */
  file_ptr armap_datepos;	/* Position within archive to seek to
				   rewrite the date field.  */
  PTR tdata;			/* Backend specific information.  */
};

#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)

/* Goes in bfd's arelt_data slot */
struct areltdata {
  char * arch_header;			     /* it's actually a string */
  unsigned int parsed_size;     /* octets of filesize not including ar_hdr */
  char *filename;			     /* null-terminated */
};

#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)

char *bfd_zmalloc PARAMS ((bfd_size_type size));

/* These routines allocate and free things on the BFD's obstack.  Note
   that realloc can never occur in place.  */

PTR	bfd_alloc PARAMS ((bfd *abfd, size_t size));
PTR	bfd_zalloc PARAMS ((bfd *abfd, size_t size));
PTR	bfd_realloc PARAMS ((bfd *abfd, PTR orig, size_t new));
void	bfd_alloc_grow PARAMS ((bfd *abfd, PTR thing, size_t size));
PTR	bfd_alloc_finish PARAMS ((bfd *abfd));
PTR	bfd_alloc_by_size_t PARAMS ((bfd *abfd, size_t wanted));

#define	bfd_release(x,y) (void) obstack_free(&(x->memory),y)


bfd_size_type	bfd_read  PARAMS ((PTR ptr, bfd_size_type size,
				   bfd_size_type nitems, bfd *abfd));
bfd_size_type	bfd_write PARAMS ((CONST PTR ptr, bfd_size_type size,
				   bfd_size_type nitems, bfd *abfd));
int		bfd_seek  PARAMS ((bfd* CONST abfd, CONST file_ptr fp,
				   CONST int direction));
long		bfd_tell  PARAMS ((bfd *abfd));

int		bfd_flush PARAMS ((bfd *abfd));
int		bfd_stat  PARAMS ((bfd *abfd, struct stat *));

bfd *	_bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
bfd *	_bfd_look_for_bfd_in_cache PARAMS ((bfd *arch_bfd, file_ptr index));
boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *));
boolean	_bfd_generic_mkarchive PARAMS ((bfd *abfd));
struct areltdata *	_bfd_snarf_ar_hdr PARAMS ((bfd *abfd));
bfd_target *		bfd_generic_archive_p PARAMS ((bfd *abfd));
boolean	bfd_slurp_armap PARAMS ((bfd *abfd));
boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
#define bfd_slurp_bsd_armap bfd_slurp_armap
#define bfd_slurp_coff_armap bfd_slurp_armap
boolean	_bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
boolean	_bfd_write_archive_contents PARAMS ((bfd *abfd));
bfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos));
bfd * _bfd_new_bfd PARAMS ((void));

#define DEFAULT_STRING_SPACE_SIZE 0x2000
boolean	bfd_add_to_string_table PARAMS ((char **table, char *new_string,
					 unsigned int *table_length,
					 char **free_ptr));

boolean	bfd_false PARAMS ((bfd *ignore));
boolean	bfd_true PARAMS ((bfd *ignore));
PTR	bfd_nullvoidptr PARAMS ((bfd *ignore));
int	bfd_0 PARAMS ((bfd *ignore));
unsigned int	bfd_0u PARAMS ((bfd *ignore));
void	bfd_void PARAMS ((bfd *ignore));

bfd *	_bfd_new_bfd_contained_in PARAMS ((bfd *));
boolean	 _bfd_dummy_new_section_hook PARAMS ((bfd *ignore, asection *newsect));
char *	 _bfd_dummy_core_file_failing_command PARAMS ((bfd *abfd));
int	 _bfd_dummy_core_file_failing_signal PARAMS ((bfd *abfd));
boolean	 _bfd_dummy_core_file_matches_executable_p PARAMS ((bfd *core_bfd,
							    bfd *exec_bfd));
bfd_target *	_bfd_dummy_target PARAMS ((bfd *abfd));

void	bfd_dont_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
					char *hdr));
void	bfd_bsd_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
					char *hdr));
void	bfd_gnu_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
					char *hdr));

boolean	bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
				  struct orl *map, unsigned int orl_count, int stridx));

boolean	coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
				   struct orl *map, unsigned int orl_count, int stridx));

bfd *	bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
						     bfd *last_file));

int	bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));

boolean	bfd_generic_get_section_contents PARAMS ((bfd *abfd, sec_ptr section,
 						  PTR location, file_ptr offset,
						  bfd_size_type count));

boolean	bfd_generic_set_section_contents PARAMS ((bfd *abfd, sec_ptr section,
						  PTR location, file_ptr offset,
						  bfd_size_type count));
\f
/* Generic routine to determine of the given symbol is a local
   label.  */
extern boolean bfd_generic_is_local_label PARAMS ((bfd *, asymbol *));

/* A routine to create entries for a bfd_link_hash_table.  */
extern struct bfd_hash_entry *_bfd_link_hash_newfunc
  PARAMS ((struct bfd_hash_entry *entry,
	   struct bfd_hash_table *table,
	   const char *string));

/* Initialize a bfd_link_hash_table.  */
extern boolean _bfd_link_hash_table_init
  PARAMS ((struct bfd_link_hash_table *, bfd *,
	   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
				       struct bfd_hash_table *,
				       const char *)));

/* Generic link hash table creation routine.  */
extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
  PARAMS ((bfd *));

/* Generic add symbol routine.  */
extern boolean _bfd_generic_link_add_symbols
  PARAMS ((bfd *, struct bfd_link_info *));

/* Generic add symbol routine.  This version is used by targets for
   which the linker must collect constructors and destructors by name,
   as the collect2 program does.  */
extern boolean _bfd_generic_link_add_symbols_collect
  PARAMS ((bfd *, struct bfd_link_info *));

/* Generic archive add symbol routine.  */
extern boolean _bfd_generic_link_add_archive_symbols
  PARAMS ((bfd *, struct bfd_link_info *,
	   boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));

/* Forward declaration to avoid prototype errors.  */
typedef struct bfd_link_hash_entry _bfd_link_hash_entry;

/* Generic routine to add a single symbol.  */
extern boolean _bfd_generic_link_add_one_symbol
  PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
	   asection *, bfd_vma, const char *, boolean copy,
	   boolean constructor, struct bfd_link_hash_entry **));

/* Generic link routine.  */
extern boolean _bfd_generic_final_link
  PARAMS ((bfd *, struct bfd_link_info *));

/* Generic reloc_link_order processing routine.  */
extern boolean _bfd_generic_reloc_link_order
  PARAMS ((bfd *, struct bfd_link_info *, asection *,
	   struct bfd_link_order *));

/* Default link order processing routine.  */
extern boolean _bfd_default_link_order
  PARAMS ((bfd *, struct bfd_link_info *, asection *,
	   struct bfd_link_order *));

/* Count the number of reloc entries in a link order list.  */
extern unsigned int _bfd_count_link_order_relocs
  PARAMS ((struct bfd_link_order *));

/* Final link relocation routine.  */
extern bfd_reloc_status_type _bfd_final_link_relocate
  PARAMS ((const reloc_howto_type *, bfd *, asection *, bfd_byte *,
	   bfd_vma address, bfd_vma value, bfd_vma addend));

/* Relocate a particular location by a howto and a value.  */
extern bfd_reloc_status_type _bfd_relocate_contents
  PARAMS ((const reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
\f
/* Macros to tell if bfds are read or write enabled.

   Note that bfds open for read may be scribbled into if the fd passed
   to bfd_fdopenr is actually open both for read and write
   simultaneously.  However an output bfd will never be open for
   read.  Therefore sometimes you want to check bfd_read_p or
   !bfd_read_p, and only sometimes bfd_write_p.
*/

#define	bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
#define	bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)

void	bfd_assert PARAMS ((char*,int));

#define BFD_ASSERT(x) \
{ if (!(x)) bfd_assert(__FILE__,__LINE__); }

#define BFD_FAIL() \
{ bfd_assert(__FILE__,__LINE__); }

FILE *	bfd_cache_lookup_worker PARAMS ((bfd *));

extern bfd *bfd_last_cache;
    
/* Now Steve, what's the story here? */
#ifdef lint
#define itos(x) "l"
#define stoi(x) 1
#else
#define itos(x) ((char*)(x))
#define stoi(x) ((int)(x))
#endif

/* Generic routine for close_and_cleanup is really just bfd_true.  */
#define	bfd_generic_close_and_cleanup	bfd_true

/* List of supported target vectors, and the default vector (if
   bfd_default_vector[0] is NULL, there is no default).  */
extern bfd_target *bfd_target_vector[];
extern bfd_target *bfd_default_vector[];

/* And more follows */

void 
bfd_check_init PARAMS ((void));

void 
bfd_write_bigendian_4byte_int PARAMS ((bfd *abfd,  int i));

unsigned int 
bfd_log2 PARAMS ((bfd_vma x));

#define BFD_CACHE_MAX_OPEN 10
extern bfd *bfd_last_cache;

#define bfd_cache_lookup(x) \
    ((x)==bfd_last_cache? \
      (FILE*)(bfd_last_cache->iostream): \
       bfd_cache_lookup_worker(x))
boolean 
bfd_cache_close  PARAMS ((bfd *abfd));

FILE* 
bfd_open_file PARAMS ((bfd *abfd));

FILE *
bfd_cache_lookup_worker PARAMS ((bfd *abfd));

boolean 
bfd_constructor_entry PARAMS ((bfd *abfd, 
    asymbol **symbol_ptr_ptr,
    CONST char*type));

const struct reloc_howto_struct *
bfd_default_reloc_type_lookup
 PARAMS ((bfd *abfd, bfd_reloc_code_real_type  code));

boolean 
bfd_generic_relax_section
 PARAMS ((bfd *abfd,
    asection *section,
    struct bfd_link_info *,
    asymbol **symbols));

bfd_byte *

bfd_generic_get_relocated_section_contents  PARAMS ((bfd *abfd,
    struct bfd_link_info *link_info,
    struct bfd_link_order *link_order,
    bfd_byte *data,
    boolean relocateable,
    asymbol **symbols));

extern bfd_arch_info_type bfd_default_arch_struct;
boolean 
bfd_default_set_arch_mach PARAMS ((bfd *abfd,
    enum bfd_architecture arch,
    unsigned long mach));

void 
bfd_arch_init PARAMS ((void));

void 
bfd_arch_linkin PARAMS ((bfd_arch_info_type *ptr));

CONST bfd_arch_info_type *
bfd_default_compatible
 PARAMS ((CONST bfd_arch_info_type *a,
    CONST bfd_arch_info_type *b));

boolean 
bfd_default_scan PARAMS ((CONST struct bfd_arch_info *info, CONST char *string));

struct elf_internal_shdr *
bfd_elf_find_section  PARAMS ((bfd *abfd, char *name));
Commit	Line	Data
c618de01 SC	1	/* libbfd.h -- Declarations used by bfd library implementation.
c618de01 SC	2	(This include file is not for users of the library.)
14e3c2e4	3	Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
c618de01	4	Written by Cygnus Support.
fc723380	5
c618de01	6	This file is part of BFD, the Binary File Descriptor library.
4a81b561	7
c618de01	8	This program is free software; you can redistribute it and/or modify
4a81b561	9	it under the terms of the GNU General Public License as published by
c618de01 SC	10	the Free Software Foundation; either version 2 of the License, or
c618de01 SC	11	(at your option) any later version.
4a81b561	12
c618de01	13	This program is distributed in the hope that it will be useful,
4a81b561 DHW	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
c618de01 SC	19	along with this program; if not, write to the Free Software
c618de01 SC	20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
4a81b561	21
01dd1b2b SC	22	/* Align an address upward to a boundary, expressed as a number of bytes.
01dd1b2b SC	23	E.g. align to an 8-byte boundary with argument of 8. */
de0da6ce	24	#define BFD_ALIGN(this, boundary) \
01dd1b2b SC	25	((( (this) + ((boundary) -1)) & (~((boundary)-1))))
01dd1b2b SC	26
4a81b561 DHW	27	/* If you want to read and write large blocks, you might want to do it
	28	in quanta of this amount */
	29	#define DEFAULT_BUFFERSIZE 8192
	30
fc723380 JG	31	/* Set a tdata field. Can't use the other macros for this, since they
fc723380 JG	32	do casts, and casting to the left of assignment isn't portable. */
d5cd3c0e	33	#define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))
fc723380 JG	34
	35	/* tdata for an archive. For an input archive, cache
	36	needs to be free()'d. For an output archive, symdefs do. */
4a81b561 DHW	37
	38	struct artdata {
	39	file_ptr first_file_filepos;
	40	/* Speed up searching the armap */
	41	struct ar_cache *cache;
	42	bfd archive_head; / Only interesting in output routines */
	43	carsym symdefs; / the symdef entries */
	44	symindex symdef_count; /* how many there are */
	45	char extended_names; / clever intel extension */
c188b0be DM	46	/* when more compilers are standard C, this can be a time_t */
c188b0be DM	47	long armap_timestamp; /* Timestamp value written into armap.
b5b4294e JG	48	This is used for BSD archives to check
	49	that the timestamp is recent enough
	50	for the BSD linker to not complain,
	51	just before we finish writing an
	52	archive. */
	53	file_ptr armap_datepos; /* Position within archive to seek to
	54	rewrite the date field. */
b59f0276	55	PTR tdata; /* Backend specific information. */
4a81b561 DHW	56	};
4a81b561 DHW	57
e98e6ec1	58	#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
4a81b561 DHW	59
	60	/* Goes in bfd's arelt_data slot */
	61	struct areltdata {
	62	char * arch_header; /* it's actually a string */
	63	unsigned int parsed_size; /* octets of filesize not including ar_hdr */
	64	char filename; / null-terminated */
	65	};
	66
	67	#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
	68
f4bd7a8f	69	char *bfd_zmalloc PARAMS ((bfd_size_type size));
9846338e	70
fc723380 JG	71	/* These routines allocate and free things on the BFD's obstack. Note
fc723380 JG	72	that realloc can never occur in place. */
4a81b561	73
6affd66a KR	74	PTR bfd_alloc PARAMS ((bfd *abfd, size_t size));
	75	PTR bfd_zalloc PARAMS ((bfd *abfd, size_t size));
	76	PTR bfd_realloc PARAMS ((bfd *abfd, PTR orig, size_t new));
	77	void bfd_alloc_grow PARAMS ((bfd *abfd, PTR thing, size_t size));
287c221d PB	78	PTR bfd_alloc_finish PARAMS ((bfd *abfd));
	79	PTR bfd_alloc_by_size_t PARAMS ((bfd *abfd, size_t wanted));
	80
	81	#define bfd_release(x,y) (void) obstack_free(&(x->memory),y)
	82
	83
	84	bfd_size_type bfd_read PARAMS ((PTR ptr, bfd_size_type size,
	85	bfd_size_type nitems, bfd *abfd));
	86	bfd_size_type bfd_write PARAMS ((CONST PTR ptr, bfd_size_type size,
	87	bfd_size_type nitems, bfd *abfd));
	88	int bfd_seek PARAMS ((bfd* CONST abfd, CONST file_ptr fp,
	89	CONST int direction));
	90	long bfd_tell PARAMS ((bfd *abfd));
	91
b5b4294e JG	92	int bfd_flush PARAMS ((bfd *abfd));
	93	int bfd_stat PARAMS ((bfd abfd, struct stat ));
	94
287c221d	95	bfd * _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
f4bd7a8f	96	bfd * _bfd_look_for_bfd_in_cache PARAMS ((bfd *arch_bfd, file_ptr index));
b59f0276	97	boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd , file_ptr, bfd ));
287c221d	98	boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
b59f0276	99	struct areltdata * _bfd_snarf_ar_hdr PARAMS ((bfd *abfd));
287c221d PB	100	bfd_target * bfd_generic_archive_p PARAMS ((bfd *abfd));
287c221d PB	101	boolean bfd_slurp_armap PARAMS ((bfd *abfd));
898728d4	102	boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
287c221d PB	103	#define bfd_slurp_bsd_armap bfd_slurp_armap
	104	#define bfd_slurp_coff_armap bfd_slurp_armap
	105	boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
	106	boolean _bfd_write_archive_contents PARAMS ((bfd *abfd));
f4bd7a8f DM	107	bfd _bfd_get_elt_at_filepos PARAMS ((bfd archive, file_ptr filepos));
f4bd7a8f DM	108	bfd * _bfd_new_bfd PARAMS ((void));
4a81b561 DHW	109
4a81b561 DHW	110	#define DEFAULT_STRING_SPACE_SIZE 0x2000
287c221d PB	111	boolean bfd_add_to_string_table PARAMS ((char *table, char new_string,
	112	unsigned int *table_length,
	113	char **free_ptr));
898728d4	114
287c221d PB	115	boolean bfd_false PARAMS ((bfd *ignore));
	116	boolean bfd_true PARAMS ((bfd *ignore));
	117	PTR bfd_nullvoidptr PARAMS ((bfd *ignore));
	118	int bfd_0 PARAMS ((bfd *ignore));
	119	unsigned int bfd_0u PARAMS ((bfd *ignore));
	120	void bfd_void PARAMS ((bfd *ignore));
	121
f4bd7a8f	122	bfd * _bfd_new_bfd_contained_in PARAMS ((bfd *));
287c221d PB	123	boolean _bfd_dummy_new_section_hook PARAMS ((bfd ignore, asection newsect));
	124	char * _bfd_dummy_core_file_failing_command PARAMS ((bfd *abfd));
	125	int _bfd_dummy_core_file_failing_signal PARAMS ((bfd *abfd));
	126	boolean _bfd_dummy_core_file_matches_executable_p PARAMS ((bfd *core_bfd,
4a81b561	127	bfd *exec_bfd));
287c221d	128	bfd_target * _bfd_dummy_target PARAMS ((bfd *abfd));
4a81b561	129
287c221d	130	void bfd_dont_truncate_arname PARAMS ((bfd abfd, CONST char filename,
69ebee86	131	char *hdr));
287c221d	132	void bfd_bsd_truncate_arname PARAMS ((bfd abfd, CONST char filename,
69ebee86	133	char *hdr));
287c221d	134	void bfd_gnu_truncate_arname PARAMS ((bfd abfd, CONST char filename,
69ebee86	135	char *hdr));
4a81b561	136
287c221d	137	boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
01dd1b2b	138	struct orl *map, unsigned int orl_count, int stridx));
4a81b561	139
287c221d	140	boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
01dd1b2b	141	struct orl *map, unsigned int orl_count, int stridx));
4a81b561	142
287c221d	143	bfd * bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
2203f786	144	bfd *last_file));
4a81b561	145
287c221d	146	int bfd_generic_stat_arch_elt PARAMS ((bfd , struct stat ));
fc723380	147
287c221d PB	148	boolean bfd_generic_get_section_contents PARAMS ((bfd *abfd, sec_ptr section,
	149	PTR location, file_ptr offset,
	150	bfd_size_type count));
01dd1b2b	151
287c221d PB	152	boolean bfd_generic_set_section_contents PARAMS ((bfd *abfd, sec_ptr section,
	153	PTR location, file_ptr offset,
	154	bfd_size_type count));
4c3721d5	155	\f
f1cca647 ILT	156	/* Generic routine to determine of the given symbol is a local
	157	label. */
	158	extern boolean bfd_generic_is_local_label PARAMS ((bfd , asymbol ));
	159
4c3721d5 ILT	160	/* A routine to create entries for a bfd_link_hash_table. */
	161	extern struct bfd_hash_entry *_bfd_link_hash_newfunc
	162	PARAMS ((struct bfd_hash_entry *entry,
	163	struct bfd_hash_table *table,
	164	const char *string));
	165
	166	/* Initialize a bfd_link_hash_table. */
	167	extern boolean _bfd_link_hash_table_init
	168	PARAMS ((struct bfd_link_hash_table , bfd ,
	169	struct bfd_hash_entry () (struct bfd_hash_entry *,
	170	struct bfd_hash_table *,
	171	const char *)));
	172
	173	/* Generic link hash table creation routine. */
	174	extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
	175	PARAMS ((bfd *));
	176
	177	/* Generic add symbol routine. */
	178	extern boolean _bfd_generic_link_add_symbols
	179	PARAMS ((bfd , struct bfd_link_info ));
	180
4335ce64 ILT	181	/* Generic add symbol routine. This version is used by targets for
	182	which the linker must collect constructors and destructors by name,
	183	as the collect2 program does. */
	184	extern boolean _bfd_generic_link_add_symbols_collect
	185	PARAMS ((bfd , struct bfd_link_info ));
	186
4c3721d5 ILT	187	/* Generic archive add symbol routine. */
	188	extern boolean _bfd_generic_link_add_archive_symbols
	189	PARAMS ((bfd , struct bfd_link_info ,
	190	boolean (checkfn) (bfd , struct bfd_link_info , boolean )));
	191
	192	/* Forward declaration to avoid prototype errors. */
	193	typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
	194
	195	/* Generic routine to add a single symbol. */
	196	extern boolean _bfd_generic_link_add_one_symbol
	197	PARAMS ((struct bfd_link_info , bfd , const char *name, flagword,
	198	asection , bfd_vma, const char , boolean copy,
f1cca647	199	boolean constructor, struct bfd_link_hash_entry **));
4c3721d5 ILT	200
	201	/* Generic link routine. */
	202	extern boolean _bfd_generic_final_link
	203	PARAMS ((bfd , struct bfd_link_info ));
	204
f1cca647 ILT	205	/* Generic reloc_link_order processing routine. */
	206	extern boolean _bfd_generic_reloc_link_order
	207	PARAMS ((bfd , struct bfd_link_info , asection *,
	208	struct bfd_link_order *));
	209
4c3721d5 ILT	210	/* Default link order processing routine. */
	211	extern boolean _bfd_default_link_order
	212	PARAMS ((bfd , struct bfd_link_info , asection *,
	213	struct bfd_link_order *));
	214
f1cca647 ILT	215	/* Count the number of reloc entries in a link order list. */
	216	extern unsigned int _bfd_count_link_order_relocs
	217	PARAMS ((struct bfd_link_order *));
	218
4c3721d5 ILT	219	/* Final link relocation routine. */
	220	extern bfd_reloc_status_type _bfd_final_link_relocate
	221	PARAMS ((const reloc_howto_type , bfd , asection , bfd_byte ,
	222	bfd_vma address, bfd_vma value, bfd_vma addend));
	223
	224	/* Relocate a particular location by a howto and a value. */
	225	extern bfd_reloc_status_type _bfd_relocate_contents
	226	PARAMS ((const reloc_howto_type , bfd , bfd_vma, bfd_byte *));
	227	\f
4a81b561 DHW	228	/* Macros to tell if bfds are read or write enabled.
	229
	230	Note that bfds open for read may be scribbled into if the fd passed
	231	to bfd_fdopenr is actually open both for read and write
	232	simultaneously. However an output bfd will never be open for
	233	read. Therefore sometimes you want to check bfd_read_p or
	234	!bfd_read_p, and only sometimes bfd_write_p.
	235	*/
	236
287c221d PB	237	#define bfd_read_p(abfd) ((abfd)->direction == read_direction \|\| (abfd)->direction == both_direction)
	238	#define bfd_write_p(abfd) ((abfd)->direction == write_direction \|\| (abfd)->direction == both_direction)
	239
	240	void bfd_assert PARAMS ((char*,int));
4a81b561	241
4a81b561 DHW	242	#define BFD_ASSERT(x) \
	243	{ if (!(x)) bfd_assert(__FILE__,__LINE__); }
	244
	245	#define BFD_FAIL() \
	246	{ bfd_assert(__FILE__,__LINE__); }
	247
287c221d	248	FILE * bfd_cache_lookup_worker PARAMS ((bfd *));
4a81b561 DHW	249
4a81b561 DHW	250	extern bfd *bfd_last_cache;
4a81b561 DHW	251
	252	/* Now Steve, what's the story here? */
	253	#ifdef lint
	254	#define itos(x) "l"
	255	#define stoi(x) 1
	256	#else
	257	#define itos(x) ((char*)(x))
	258	#define stoi(x) ((int)(x))
	259	#endif
69ebee86 JG	260
	261	/* Generic routine for close_and_cleanup is really just bfd_true. */
	262	#define bfd_generic_close_and_cleanup bfd_true
6f715d66	263
4c3721d5	264	/* List of supported target vectors, and the default vector (if
f4bd7a8f DM	265	bfd_default_vector[0] is NULL, there is no default). */
	266	extern bfd_target *bfd_target_vector[];
	267	extern bfd_target *bfd_default_vector[];
4c3721d5	268
b8d69097	269	/* And more follows */
6f715d66	270
fefb4b30 JG	271	void
	272	bfd_check_init PARAMS ((void));
	273
fefb4b30 JG	274	void
	275	bfd_write_bigendian_4byte_int PARAMS ((bfd *abfd, int i));
	276
3ceaa255	277	unsigned int
fefb4b30 JG	278	bfd_log2 PARAMS ((bfd_vma x));
fefb4b30 JG	279
6f715d66	280	#define BFD_CACHE_MAX_OPEN 10
6f715d66	281	extern bfd *bfd_last_cache;
e98e6ec1	282
6f715d66	283	#define bfd_cache_lookup(x) \
0cda46cf SC	284	((x)==bfd_last_cache? \
	285	(FILE*)(bfd_last_cache->iostream): \
	286	bfd_cache_lookup_worker(x))
fefb4b30	287	boolean
c188b0be	288	bfd_cache_close PARAMS ((bfd *abfd));
fefb4b30 JG	289
fefb4b30 JG	290	FILE*
c188b0be	291	bfd_open_file PARAMS ((bfd *abfd));
fefb4b30 JG	292
fefb4b30 JG	293	FILE *
c188b0be	294	bfd_cache_lookup_worker PARAMS ((bfd *abfd));
fefb4b30	295
80425e6c	296	boolean
fefb4b30	297	bfd_constructor_entry PARAMS ((bfd *abfd,
e98e6ec1 SC	298	asymbol **symbol_ptr_ptr,
e98e6ec1 SC	299	CONST char*type));
fefb4b30	300
e2756048	301	const struct reloc_howto_struct *
fefb4b30	302	bfd_default_reloc_type_lookup
57a1867e	303	PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
fefb4b30 JG	304
	305	boolean
	306	bfd_generic_relax_section
	307	PARAMS ((bfd *abfd,
d58b7049	308	asection *section,
4c3721d5	309	struct bfd_link_info *,
d5cd3c0e	310	asymbol **symbols));
fefb4b30	311
e98e6ec1	312	bfd_byte *
fefb4b30	313
287c221d	314	bfd_generic_get_relocated_section_contents PARAMS ((bfd *abfd,
4c3721d5 ILT	315	struct bfd_link_info *link_info,
4c3721d5 ILT	316	struct bfd_link_order *link_order,
14e3c2e4	317	bfd_byte *data,
4c3721d5 ILT	318	boolean relocateable,
4c3721d5 ILT	319	asymbol **symbols));
14e3c2e4	320
e98e6ec1	321	extern bfd_arch_info_type bfd_default_arch_struct;
fefb4b30 JG	322	boolean
fefb4b30 JG	323	bfd_default_set_arch_mach PARAMS ((bfd *abfd,
e98e6ec1 SC	324	enum bfd_architecture arch,
e98e6ec1 SC	325	unsigned long mach));
fefb4b30	326
c188b0be	327	void
fefb4b30 JG	328	bfd_arch_init PARAMS ((void));
	329
	330	void
c188b0be	331	bfd_arch_linkin PARAMS ((bfd_arch_info_type *ptr));
fefb4b30 JG	332
	333	CONST bfd_arch_info_type *
	334	bfd_default_compatible
	335	PARAMS ((CONST bfd_arch_info_type *a,
e98e6ec1	336	CONST bfd_arch_info_type *b));
fefb4b30 JG	337
fefb4b30 JG	338	boolean
c188b0be	339	bfd_default_scan PARAMS ((CONST struct bfd_arch_info info, CONST char string));
fefb4b30	340
3ceaa255	341	struct elf_internal_shdr *
6affd66a	342	bfd_elf_find_section PARAMS ((bfd abfd, char name));
fefb4b30	343