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-
- /* libbfd.h -- Declarations used by bfd library *implementation*.
- (This include file is not for users of the library.)
- Copyright (C) 1990-1991 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 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 = (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) ((struct artdata *) ((bfd)->tdata))
-
- /* 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, (bfd_size_type size));
-
- /* These routines allocate and free things on the BFD's obstack. Note
- that realloc can never occur in place. */
-
- PROTO(PTR, bfd_alloc, (bfd *abfd, bfd_size_type size));
- PROTO(PTR, bfd_zalloc,(bfd *abfd, bfd_size_type size));
- PROTO(PTR, bfd_realloc,(bfd *abfd, PTR orig, bfd_size_type new));
- PROTO(void, bfd_alloc_grow,(bfd *abfd, PTR thing, bfd_size_type size));
- PROTO(PTR, bfd_alloc_finish,(bfd *abfd));
-
- #define bfd_release(x,y) (void) obstack_free(&(x->memory),y)
-
-
- PROTO (bfd_size_type, bfd_read, (PTR ptr, bfd_size_type size, bfd_size_type nitems, bfd *abfd));
- PROTO (bfd_size_type, bfd_write, (CONST PTR ptr, bfd_size_type size, bfd_size_type nitems, bfd *abfd));
-
-
-
- PROTO (int, bfd_seek,(bfd* abfd, file_ptr fp , int direction));
- 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 (bfd_vma, _do_getb64, (unsigned char *addr));
- PROTO (bfd_vma, _do_getl64, (unsigned char *addr));
- PROTO (bfd_vma, _do_getb32, (unsigned char *addr));
- PROTO (bfd_vma, _do_getl32, (unsigned char *addr));
- PROTO (bfd_vma, _do_getb16, (unsigned char *addr));
- PROTO (bfd_vma, _do_getl16, (unsigned char *addr));
- PROTO (void, _do_putb64, (bfd_vma data, unsigned char *addr));
- PROTO (void, _do_putl64, (bfd_vma data, unsigned char *addr));
- PROTO (void, _do_putb32, (bfd_vma data, unsigned char *addr));
- PROTO (void, _do_putl32, (bfd_vma data, unsigned char *addr));
- PROTO (void, _do_putb16, (bfd_vma data, unsigned char *addr));
- PROTO (void, _do_putl16, (bfd_vma data, unsigned char *addr));
-
- PROTO (boolean, bfd_false, (bfd *ignore));
- PROTO (boolean, bfd_true, (bfd *ignore));
- PROTO (PTR, 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, CONST char *filename,
- char *hdr));
- PROTO (void, bfd_bsd_truncate_arname, (bfd *abfd, CONST char *filename,
- char *hdr));
- PROTO (void, bfd_gnu_truncate_arname, (bfd *abfd, CONST 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 *));
-
- PROTO(boolean, bfd_generic_get_section_contents,
- (bfd *abfd, sec_ptr section, PTR location, file_ptr offset,
- bfd_size_type count));
-
- PROTO(boolean, bfd_generic_set_section_contents,
- (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)
-
- 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;
-
- /* 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
-
- /* THE FOLLOWING IS EXTRACTED FROM THE SOURCE*/
-
- /*:init.c*/
- /* bfd_check_init
-
- This routine is called before any other bfd function using initialized
- data is used to ensure that the structures have been initialized.
- Soon this function will go away, and the bfd library will assume that
- bfd_init has been called.
- */
-
- void EXFUN(bfd_check_init,(void));
-
- /*
- */
-
- /*:libbfd.c*/
- /* *i bfd_log2
- Return the log base 2 of the value supplied, rounded up. eg an arg
- of 1025 would return 11.
- */
- PROTO(bfd_vma, bfd_log2,(bfd_vma x));
-
- /*
- */
-
- /*:cache.c*/
- /* BFD_CACHE_MAX_OPEN
- The maxiumum number of files which the cache will keep open at one
- time.
- */
- #define BFD_CACHE_MAX_OPEN 10
-
- /*
-
- bfd_last_cache
- Zero, or a pointer to the topmost BFD on the chain. This is used by
- the @code{bfd_cache_lookup} macro in @file{libbfd.h} to determine when
- it can avoid a function call.
- */
- extern bfd *bfd_last_cache;
-
- /*
-
- bfd_cache_lookup
- Checks to see if the required BFD is the same as the last one looked
- up. If so then it can use the iostream in the BFD with impunity, since
- it can't have changed since the last lookup, otherwise it has to
- perform the complicated lookup function
- */
- #define bfd_cache_lookup(x) \
- ((x)==bfd_last_cache? \
- (FILE*)(bfd_last_cache->iostream): \
- bfd_cache_lookup_worker(x))
-
- /*
-
- *i bfd_cache_init
- Initialize a BFD by putting it on the cache LRU.
- */
- PROTO(void, bfd_cache_init, (bfd *));
-
- /*
-
- *i bfd_cache_close
- Remove the BFD from the cache. If the attached file is open, then close it too.
- */
- PROTO(void, bfd_cache_close, (bfd *));
-
- /*
-
- *i bfd_open_file
- Call the OS to open a file for this BFD. Returns the FILE *
- (possibly null) that results from this operation. Sets up the
- BFD so that future accesses know the file is open. If the FILE *
- returned is null, then there is won't have been put in the cache, so
- it won't have to be removed from it.
- */
- PROTO(FILE *, bfd_open_file, (bfd *));
-
- /*
-
- *i bfd_cache_lookup_worker
- Called when the macro @code{bfd_cache_lookup} fails to find a quick
- answer. Finds a file descriptor for this BFD. If necessary, it open it.
- If there are already more than BFD_CACHE_MAX_OPEN files open, it trys to close
- one first, to avoid running out of file descriptors.
- */
- PROTO(FILE *, bfd_cache_lookup_worker, (bfd *));
-
- /*
- */
-
-
- /*:reloc.c*/
-
- /*:cpu-h8300.c*/
-
- /*:cpu-i960.c*/
-
- /*:cpu-empty.c*/
-
- /*:archures.c*/
- /* bfd_default_arch_struct
-
- What bfds are seeded with
- */
-
- extern bfd_arch_info_type bfd_default_arch_struct;
-
- /*
- bfd_default_set_arch_mach
-
- Set the architecture and machine type in a bfd. This finds the correct
- pointer to structure and inserts it into the arch_info pointer.
- */
-
- boolean EXFUN(bfd_default_set_arch_mach,(bfd *abfd,
- enum bfd_architecture arch,
- unsigned long mach));
-
- /*
-
- This routine initializes the architecture dispatch table by calling
- all installed architecture packages and getting them to poke around.
- */
-
- PROTO(void, bfd_arch_init,(void));
-
- /*
-
- bfd_arch_linkin
-
- Link the provided arch info structure into the list
- */
-
- void EXFUN(bfd_arch_linkin,(bfd_arch_info_type *));
-
- /*
-
- bfd_default_compatible
-
- The default function for testing for compatibility
- */
-
- CONST bfd_arch_info_type *EXFUN(bfd_default_compatible,
- (CONST bfd_arch_info_type *a,
- CONST bfd_arch_info_type *b));
-
- /*
-
- bfd_default_scan
- The default function for working out whether this is an architecture
- hit and a machine hit
- */
-
- boolean EXFUN(bfd_default_scan,(CONST struct bfd_arch_info *, CONST char *));
-
- /*
- */
-
-
-