binutils-gdb/bfd/libbfd.h

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1991-03-21 22:11:25 +01:00
/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Diddler.
BFD 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 1, or (at your option)
any later version.
BFD 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 BFD; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* $Id$ */
/*** libbfd.h -- Declarations used by bfd library implementation.
This include file is not for users of the library */
/* If you want to read and write large blocks, you might want to do it
in quanta of this amount */
#define DEFAULT_BUFFERSIZE 8192
/* 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) ((struct artdata *) ((bfd)->tdata))
#define bfd_set_ardata(bfd, v) ((bfd)->tdata = (PTR) (v))
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/* 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)
/* FIXME -- a lot of my code allocates a large block and subdivides it.
This can't always work, because of alignment restrictions. We should change
it before it becomes a problem -- Gumby */
PROTO (char *, zalloc, (size_t size));
PROTO (bfd_target *, bfd_find_target, (CONST char *target_name));
PROTO (size_t, bfd_read, (PTR ptr, size_t size, size_t nitems, bfd *abfd));
PROTO (size_t, bfd_write, (PTR ptr, size_t size, size_t nitems, bfd *abfd));
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PROTO (FILE *, bfd_cache_lookup, (bfd *));
PROTO (void, bfd_cache_close, (bfd *));
PROTO (int, bfd_seek,(bfd* abfd, file_ptr fp , int direction));
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PROTO (long, bfd_tell, (bfd *abfd));
PROTO (bfd *, _bfd_create_empty_archive_element_shell, (bfd *obfd));
PROTO (bfd *, look_for_bfd_in_cache, (bfd *arch_bfd, file_ptr index));
PROTO (boolean, _bfd_generic_mkarchive, (bfd *abfd));
PROTO (struct areltdata *, snarf_ar_hdr, (bfd *abfd));
PROTO (bfd_target *, bfd_generic_archive_p, (bfd *abfd));
PROTO (boolean, bfd_slurp_bsd_armap, (bfd *abfd));
PROTO (boolean, bfd_slurp_coff_armap, (bfd *abfd));
PROTO (boolean, _bfd_slurp_extended_name_table, (bfd *abfd));
PROTO (boolean, _bfd_write_archive_contents, (bfd *abfd));
PROTO (bfd *, new_bfd, ());
#define DEFAULT_STRING_SPACE_SIZE 0x2000
PROTO (boolean, bfd_add_to_string_table, (char **table, char *new_string,
unsigned int *table_length,
char **free_ptr));
PROTO (long, _do_getblong, (unsigned char *addr));
PROTO (long, _do_getllong, (unsigned char *addr));
PROTO (short, _do_getbshort, (unsigned char *addr));
PROTO (short, _do_getlshort, (unsigned char *addr));
PROTO (void, _do_putblong, (unsigned long data, unsigned char *addr));
PROTO (void, _do_putllong, (unsigned long data, unsigned char *addr));
PROTO (void, _do_putbshort, (int data, unsigned char *addr));
PROTO (void, _do_putlshort, (int data, unsigned char *addr));
PROTO (boolean, bfd_false, (bfd *ignore));
PROTO (boolean, bfd_true, (bfd *ignore));
PROTO (void *, bfd_nullvoidptr, (bfd *ignore));
PROTO (int, bfd_0, (bfd *ignore));
PROTO (unsigned int, bfd_0u, (bfd *ignore));
PROTO (void, bfd_void, (bfd *ignore));
PROTO (bfd *,new_bfd_contained_in,(bfd *));
PROTO (boolean, _bfd_dummy_new_section_hook, (bfd *ignore, asection *newsect));
PROTO (char *, _bfd_dummy_core_file_failing_command, (bfd *abfd));
PROTO (int, _bfd_dummy_core_file_failing_signal, (bfd *abfd));
PROTO (boolean, _bfd_dummy_core_file_matches_executable_p, (bfd *core_bfd,
bfd *exec_bfd));
PROTO (bfd_target *, _bfd_dummy_target, (bfd *abfd));
PROTO (void, bfd_dont_truncate_arname, (bfd *abfd, char *filename, char *hdr));
PROTO (void, bfd_bsd_truncate_arname, (bfd *abfd, char *filename, char *hdr));
PROTO (void, bfd_gnu_truncate_arname, (bfd *abfd, char *filename, char *hdr));
PROTO (boolean, bsd_write_armap, (bfd *arch, unsigned int elength,
struct orl *map, int orl_count, int stridx));
PROTO (boolean, coff_write_armap, (bfd *arch, unsigned int elength,
struct orl *map, int orl_count, int stridx));
PROTO ( bfd *,bfd_generic_openr_next_archived_file, (bfd *archive, bfd *last_file));
PROTO(int, bfd_generic_stat_arch_elt, (bfd *, struct stat *));
/* 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)
PROTO (void, bfd_assert,(char*,int));
#define BFD_ASSERT(x) \
{ if (!(x)) bfd_assert(__FILE__,__LINE__); }
#define BFD_FAIL() \
{ bfd_assert(__FILE__,__LINE__); }
PROTO (FILE *, bfd_cache_lookup_worker, (bfd *));
extern bfd *bfd_last_cache;
#define bfd_cache_lookup(x) \
(x==bfd_last_cache?(FILE*)(bfd_last_cache->iostream):bfd_cache_lookup_worker(x))
/* 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