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binutils-gdb/bfd/libbfd.h
Ken Raeburn 3ceaa2556e regenerated
1993-06-22 03:22:54 +00:00

281 lines
9.5 KiB
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/* 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 */
};
#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 *zalloc 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, bfd_size_type size));
PTR bfd_zalloc PARAMS ((bfd *abfd, bfd_size_type size));
PTR bfd_realloc PARAMS ((bfd *abfd, PTR orig, bfd_size_type new));
void bfd_alloc_grow PARAMS ((bfd *abfd, PTR thing, bfd_size_type 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));
bfd * _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
bfd * look_for_bfd_in_cache PARAMS ((bfd *arch_bfd, file_ptr index));
boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
struct areltdata * 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 * new_bfd PARAMS (());
#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));
/* Byte swapping routines from libbfd.c */
bfd_vma _do_getb64 PARAMS ((unsigned char *addr));
bfd_vma _do_getl64 PARAMS ((unsigned char *addr));
bfd_signed_vma _do_getb_signed_64 PARAMS ((unsigned char *addr));
bfd_signed_vma _do_getl_signed_64 PARAMS ((unsigned char *addr));
bfd_vma _do_getb32 PARAMS ((unsigned char *addr));
bfd_vma _do_getl32 PARAMS ((unsigned char *addr));
bfd_signed_vma _do_getb_signed_32 PARAMS ((unsigned char *addr));
bfd_signed_vma _do_getl_signed_32 PARAMS ((unsigned char *addr));
bfd_vma _do_getb16 PARAMS ((unsigned char *addr));
bfd_vma _do_getl16 PARAMS ((unsigned char *addr));
bfd_signed_vma _do_getb_signed_16 PARAMS ((unsigned char *addr));
bfd_signed_vma _do_getl_signed_16 PARAMS ((unsigned char *addr));
void _do_putb64 PARAMS ((bfd_vma data, unsigned char *addr));
void _do_putl64 PARAMS ((bfd_vma data, unsigned char *addr));
void _do_putb32 PARAMS ((bfd_vma data, unsigned char *addr));
void _do_putl32 PARAMS ((bfd_vma data, unsigned char *addr));
void _do_putb16 PARAMS ((bfd_vma data, unsigned char *addr));
void _do_putl16 PARAMS ((bfd_vma data, unsigned char *addr));
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 * 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));
/* 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
/* And more follows */
void
bfd_check_init PARAMS ((void));
PTR
bfd_xmalloc PARAMS (( bfd_size_type size));
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 *));
FILE*
bfd_open_file PARAMS ((bfd *));
FILE *
bfd_cache_lookup_worker PARAMS ((bfd *));
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,
asymbol **symbols));
bfd_byte *
bfd_generic_get_relocated_section_contents PARAMS ((bfd *abfd,
struct bfd_seclet *seclet,
bfd_byte *data,
boolean relocateable));
boolean
bfd_generic_seclet_link
PARAMS ((bfd *abfd,
PTR data,
boolean relocateable));
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 *));
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 *, CONST char *));
struct elf_internal_shdr *
bfd_elf32_find_section PARAMS ((bfd *abfd, char *name));
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