[deliverable/binutils-gdb.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.  */

/* Use builtin alloca for gcc.  */
#ifdef __GNUC__
#ifndef alloca
#define alloca __builtin_alloca
#endif
#endif

/* 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)

/* There is major inconsistency in how running out of memory is handled.
   Some routines return a NULL, and set bfd_error to no_memory.
   However, obstack routines can't do this ... */

char *bfd_zmalloc PARAMS ((bfd_size_type size));
/* From libiberty.  */
extern PTR xmalloc PARAMS ((size_t));
/* SIZE is bfd_size_type.  */
#define bfd_xmalloc(size) xmalloc ((size_t) size)
/* Defined without an argument so its address can be used.  */
#define bfd_xmalloc_by_size_t xmalloc

/* 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
/* 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 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, unsigned int bitsize,
	   struct bfd_link_hash_entry **));

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

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

void 
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 AND
    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
4c3721d5 ILT	22	/* Use builtin alloca for gcc. */
	23	#ifdef __GNUC__
	24	#ifndef alloca
	25	#define alloca __builtin_alloca
	26	#endif
	27	#endif
4a81b561	28
01dd1b2b SC	29	/* Align an address upward to a boundary, expressed as a number of bytes.
01dd1b2b SC	30	E.g. align to an 8-byte boundary with argument of 8. */
de0da6ce	31	#define BFD_ALIGN(this, boundary) \
01dd1b2b SC	32	((( (this) + ((boundary) -1)) & (~((boundary)-1))))
01dd1b2b SC	33
4a81b561 DHW	34	/* If you want to read and write large blocks, you might want to do it
	35	in quanta of this amount */
	36	#define DEFAULT_BUFFERSIZE 8192
	37
fc723380 JG	38	/* Set a tdata field. Can't use the other macros for this, since they
fc723380 JG	39	do casts, and casting to the left of assignment isn't portable. */
d5cd3c0e	40	#define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))
fc723380 JG	41
	42	/* tdata for an archive. For an input archive, cache
	43	needs to be free()'d. For an output archive, symdefs do. */
4a81b561 DHW	44
	45	struct artdata {
	46	file_ptr first_file_filepos;
	47	/* Speed up searching the armap */
	48	struct ar_cache *cache;
	49	bfd archive_head; / Only interesting in output routines */
	50	carsym symdefs; / the symdef entries */
	51	symindex symdef_count; /* how many there are */
	52	char extended_names; / clever intel extension */
c188b0be DM	53	/* when more compilers are standard C, this can be a time_t */
c188b0be DM	54	long armap_timestamp; /* Timestamp value written into armap.
b5b4294e JG	55	This is used for BSD archives to check
	56	that the timestamp is recent enough
	57	for the BSD linker to not complain,
	58	just before we finish writing an
	59	archive. */
	60	file_ptr armap_datepos; /* Position within archive to seek to
	61	rewrite the date field. */
b59f0276	62	PTR tdata; /* Backend specific information. */
4a81b561 DHW	63	};
4a81b561 DHW	64
e98e6ec1	65	#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
4a81b561 DHW	66
	67	/* Goes in bfd's arelt_data slot */
	68	struct areltdata {
	69	char * arch_header; /* it's actually a string */
	70	unsigned int parsed_size; /* octets of filesize not including ar_hdr */
	71	char filename; / null-terminated */
	72	};
	73
	74	#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
	75
0ee34272 DM	76	/* There is major inconsistency in how running out of memory is handled.
	77	Some routines return a NULL, and set bfd_error to no_memory.
	78	However, obstack routines can't do this ... */
	79
f4bd7a8f	80	char *bfd_zmalloc PARAMS ((bfd_size_type size));
0ee34272 DM	81	/* From libiberty. */
	82	extern PTR xmalloc PARAMS ((size_t));
	83	/* SIZE is bfd_size_type. */
	84	#define bfd_xmalloc(size) xmalloc ((size_t) size)
6a5439a9 DM	85	/* Defined without an argument so its address can be used. */
6a5439a9 DM	86	#define bfd_xmalloc_by_size_t xmalloc
9846338e	87
fc723380 JG	88	/* These routines allocate and free things on the BFD's obstack. Note
fc723380 JG	89	that realloc can never occur in place. */
4a81b561	90
6affd66a KR	91	PTR bfd_alloc PARAMS ((bfd *abfd, size_t size));
	92	PTR bfd_zalloc PARAMS ((bfd *abfd, size_t size));
	93	PTR bfd_realloc PARAMS ((bfd *abfd, PTR orig, size_t new));
	94	void bfd_alloc_grow PARAMS ((bfd *abfd, PTR thing, size_t size));
287c221d PB	95	PTR bfd_alloc_finish PARAMS ((bfd *abfd));
	96	PTR bfd_alloc_by_size_t PARAMS ((bfd *abfd, size_t wanted));
	97
	98	#define bfd_release(x,y) (void) obstack_free(&(x->memory),y)
	99
	100
	101	bfd_size_type bfd_read PARAMS ((PTR ptr, bfd_size_type size,
	102	bfd_size_type nitems, bfd *abfd));
	103	bfd_size_type bfd_write PARAMS ((CONST PTR ptr, bfd_size_type size,
	104	bfd_size_type nitems, bfd *abfd));
	105	int bfd_seek PARAMS ((bfd* CONST abfd, CONST file_ptr fp,
	106	CONST int direction));
	107	long bfd_tell PARAMS ((bfd *abfd));
	108
b5b4294e JG	109	int bfd_flush PARAMS ((bfd *abfd));
	110	int bfd_stat PARAMS ((bfd abfd, struct stat ));
	111
287c221d	112	bfd * _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
f4bd7a8f	113	bfd * _bfd_look_for_bfd_in_cache PARAMS ((bfd *arch_bfd, file_ptr index));
b59f0276	114	boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd , file_ptr, bfd ));
287c221d	115	boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
b59f0276	116	struct areltdata * _bfd_snarf_ar_hdr PARAMS ((bfd *abfd));
287c221d PB	117	bfd_target * bfd_generic_archive_p PARAMS ((bfd *abfd));
287c221d PB	118	boolean bfd_slurp_armap PARAMS ((bfd *abfd));
898728d4	119	boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
287c221d PB	120	#define bfd_slurp_bsd_armap bfd_slurp_armap
	121	#define bfd_slurp_coff_armap bfd_slurp_armap
	122	boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
	123	boolean _bfd_write_archive_contents PARAMS ((bfd *abfd));
f4bd7a8f DM	124	bfd _bfd_get_elt_at_filepos PARAMS ((bfd archive, file_ptr filepos));
f4bd7a8f DM	125	bfd * _bfd_new_bfd PARAMS ((void));
4a81b561 DHW	126
4a81b561 DHW	127	#define DEFAULT_STRING_SPACE_SIZE 0x2000
287c221d PB	128	boolean bfd_add_to_string_table PARAMS ((char *table, char new_string,
	129	unsigned int *table_length,
	130	char **free_ptr));
898728d4	131
287c221d PB	132	boolean bfd_false PARAMS ((bfd *ignore));
	133	boolean bfd_true PARAMS ((bfd *ignore));
	134	PTR bfd_nullvoidptr PARAMS ((bfd *ignore));
	135	int bfd_0 PARAMS ((bfd *ignore));
	136	unsigned int bfd_0u PARAMS ((bfd *ignore));
	137	void bfd_void PARAMS ((bfd *ignore));
	138
f4bd7a8f	139	bfd * _bfd_new_bfd_contained_in PARAMS ((bfd *));
287c221d PB	140	boolean _bfd_dummy_new_section_hook PARAMS ((bfd ignore, asection newsect));
	141	char * _bfd_dummy_core_file_failing_command PARAMS ((bfd *abfd));
	142	int _bfd_dummy_core_file_failing_signal PARAMS ((bfd *abfd));
	143	boolean _bfd_dummy_core_file_matches_executable_p PARAMS ((bfd *core_bfd,
4a81b561	144	bfd *exec_bfd));
287c221d	145	bfd_target * _bfd_dummy_target PARAMS ((bfd *abfd));
4a81b561	146
287c221d	147	void bfd_dont_truncate_arname PARAMS ((bfd abfd, CONST char filename,
69ebee86	148	char *hdr));
287c221d	149	void bfd_bsd_truncate_arname PARAMS ((bfd abfd, CONST char filename,
69ebee86	150	char *hdr));
287c221d	151	void bfd_gnu_truncate_arname PARAMS ((bfd abfd, CONST char filename,
69ebee86	152	char *hdr));
4a81b561	153
287c221d	154	boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
01dd1b2b	155	struct orl *map, unsigned int orl_count, int stridx));
4a81b561	156
287c221d	157	boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
01dd1b2b	158	struct orl *map, unsigned int orl_count, int stridx));
4a81b561	159
287c221d	160	bfd * bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
2203f786	161	bfd *last_file));
4a81b561	162
287c221d	163	int bfd_generic_stat_arch_elt PARAMS ((bfd , struct stat ));
fc723380	164
287c221d PB	165	boolean bfd_generic_get_section_contents PARAMS ((bfd *abfd, sec_ptr section,
	166	PTR location, file_ptr offset,
	167	bfd_size_type count));
01dd1b2b	168
287c221d PB	169	boolean bfd_generic_set_section_contents PARAMS ((bfd *abfd, sec_ptr section,
	170	PTR location, file_ptr offset,
	171	bfd_size_type count));
4c3721d5 ILT	172	\f
	173	/* A routine to create entries for a bfd_link_hash_table. */
	174	extern struct bfd_hash_entry *_bfd_link_hash_newfunc
	175	PARAMS ((struct bfd_hash_entry *entry,
	176	struct bfd_hash_table *table,
	177	const char *string));
	178
	179	/* Initialize a bfd_link_hash_table. */
	180	extern boolean _bfd_link_hash_table_init
	181	PARAMS ((struct bfd_link_hash_table , bfd ,
	182	struct bfd_hash_entry () (struct bfd_hash_entry *,
	183	struct bfd_hash_table *,
	184	const char *)));
	185
	186	/* Generic link hash table creation routine. */
	187	extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
	188	PARAMS ((bfd *));
	189
	190	/* Generic add symbol routine. */
	191	extern boolean _bfd_generic_link_add_symbols
	192	PARAMS ((bfd , struct bfd_link_info ));
	193
	194	/* Generic archive add symbol routine. */
	195	extern boolean _bfd_generic_link_add_archive_symbols
	196	PARAMS ((bfd , struct bfd_link_info ,
	197	boolean (checkfn) (bfd , struct bfd_link_info , boolean )));
	198
	199	/* Forward declaration to avoid prototype errors. */
	200	typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
	201
	202	/* Generic routine to add a single symbol. */
	203	extern boolean _bfd_generic_link_add_one_symbol
	204	PARAMS ((struct bfd_link_info , bfd , const char *name, flagword,
	205	asection , bfd_vma, const char , boolean copy,
f4bd7a8f	206	boolean constructor, unsigned int bitsize,
4c3721d5 ILT	207	struct bfd_link_hash_entry **));
	208
	209	/* Generic link routine. */
	210	extern boolean _bfd_generic_final_link
	211	PARAMS ((bfd , struct bfd_link_info ));
	212
	213	/* Default link order processing routine. */
	214	extern boolean _bfd_default_link_order
	215	PARAMS ((bfd , struct bfd_link_info , asection *,
	216	struct bfd_link_order *));
	217
	218	/* Final link relocation routine. */
	219	extern bfd_reloc_status_type _bfd_final_link_relocate
	220	PARAMS ((const reloc_howto_type , bfd , asection , bfd_byte ,
	221	bfd_vma address, bfd_vma value, bfd_vma addend));
	222
	223	/* Relocate a particular location by a howto and a value. */
	224	extern bfd_reloc_status_type _bfd_relocate_contents
	225	PARAMS ((const reloc_howto_type , bfd , bfd_vma, bfd_byte *));
	226	\f
4a81b561 DHW	227	/* Macros to tell if bfds are read or write enabled.
	228
	229	Note that bfds open for read may be scribbled into if the fd passed
	230	to bfd_fdopenr is actually open both for read and write
	231	simultaneously. However an output bfd will never be open for
	232	read. Therefore sometimes you want to check bfd_read_p or
	233	!bfd_read_p, and only sometimes bfd_write_p.
	234	*/
	235
287c221d PB	236	#define bfd_read_p(abfd) ((abfd)->direction == read_direction \|\| (abfd)->direction == both_direction)
	237	#define bfd_write_p(abfd) ((abfd)->direction == write_direction \|\| (abfd)->direction == both_direction)
	238
	239	void bfd_assert PARAMS ((char*,int));
4a81b561	240
4a81b561 DHW	241	#define BFD_ASSERT(x) \
	242	{ if (!(x)) bfd_assert(__FILE__,__LINE__); }
	243
	244	#define BFD_FAIL() \
	245	{ bfd_assert(__FILE__,__LINE__); }
	246
287c221d	247	FILE * bfd_cache_lookup_worker PARAMS ((bfd *));
4a81b561 DHW	248
4a81b561 DHW	249	extern bfd *bfd_last_cache;
4a81b561 DHW	250
	251	/* Now Steve, what's the story here? */
	252	#ifdef lint
	253	#define itos(x) "l"
	254	#define stoi(x) 1
	255	#else
	256	#define itos(x) ((char*)(x))
	257	#define stoi(x) ((int)(x))
	258	#endif
69ebee86 JG	259
	260	/* Generic routine for close_and_cleanup is really just bfd_true. */
	261	#define bfd_generic_close_and_cleanup bfd_true
6f715d66	262
4c3721d5	263	/* List of supported target vectors, and the default vector (if
f4bd7a8f DM	264	bfd_default_vector[0] is NULL, there is no default). */
	265	extern bfd_target *bfd_target_vector[];
	266	extern bfd_target *bfd_default_vector[];
4c3721d5	267
b8d69097	268	/* And more follows */
6f715d66	269
fefb4b30 JG	270	void
	271	bfd_check_init PARAMS ((void));
	272
fefb4b30 JG	273	void
	274	bfd_write_bigendian_4byte_int PARAMS ((bfd *abfd, int i));
	275
3ceaa255	276	unsigned int
fefb4b30 JG	277	bfd_log2 PARAMS ((bfd_vma x));
fefb4b30 JG	278
6f715d66	279	#define BFD_CACHE_MAX_OPEN 10
6f715d66	280	extern bfd *bfd_last_cache;
e98e6ec1	281
6f715d66	282	#define bfd_cache_lookup(x) \
0cda46cf SC	283	((x)==bfd_last_cache? \
	284	(FILE*)(bfd_last_cache->iostream): \
	285	bfd_cache_lookup_worker(x))
fefb4b30	286	boolean
c188b0be	287	bfd_cache_close PARAMS ((bfd *abfd));
fefb4b30 JG	288
fefb4b30 JG	289	FILE*
c188b0be	290	bfd_open_file PARAMS ((bfd *abfd));
fefb4b30 JG	291
fefb4b30 JG	292	FILE *
c188b0be	293	bfd_cache_lookup_worker PARAMS ((bfd *abfd));
fefb4b30 JG	294
	295	void
	296	bfd_constructor_entry PARAMS ((bfd *abfd,
e98e6ec1 SC	297	asymbol **symbol_ptr_ptr,
e98e6ec1 SC	298	CONST char*type));
fefb4b30	299
e2756048	300	const struct reloc_howto_struct *
fefb4b30	301	bfd_default_reloc_type_lookup
14e3c2e4	302	PARAMS ((bfd *abfd AND
3860075f	303	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