343 lines
12 KiB
C
343 lines
12 KiB
C
/* libbfd.h -- Declarations used by bfd library *implementation*.
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(This include file is not for users of the library.)
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Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
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Written by Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Use builtin alloca for gcc. */
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#ifdef __GNUC__
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#ifndef alloca
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#define alloca __builtin_alloca
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#endif
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#endif
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/* Align an address upward to a boundary, expressed as a number of bytes.
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E.g. align to an 8-byte boundary with argument of 8. */
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#define BFD_ALIGN(this, boundary) \
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((( (this) + ((boundary) -1)) & (~((boundary)-1))))
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/* If you want to read and write large blocks, you might want to do it
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in quanta of this amount */
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#define DEFAULT_BUFFERSIZE 8192
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/* Set a tdata field. Can't use the other macros for this, since they
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do casts, and casting to the left of assignment isn't portable. */
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#define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))
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/* tdata for an archive. For an input archive, cache
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needs to be free()'d. For an output archive, symdefs do. */
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struct artdata {
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file_ptr first_file_filepos;
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/* Speed up searching the armap */
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struct ar_cache *cache;
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bfd *archive_head; /* Only interesting in output routines */
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carsym *symdefs; /* the symdef entries */
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symindex symdef_count; /* how many there are */
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char *extended_names; /* clever intel extension */
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/* when more compilers are standard C, this can be a time_t */
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long armap_timestamp; /* Timestamp value written into armap.
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This is used for BSD archives to check
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that the timestamp is recent enough
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for the BSD linker to not complain,
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just before we finish writing an
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archive. */
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file_ptr armap_datepos; /* Position within archive to seek to
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rewrite the date field. */
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PTR tdata; /* Backend specific information. */
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};
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#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
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/* Goes in bfd's arelt_data slot */
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struct areltdata {
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char * arch_header; /* it's actually a string */
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unsigned int parsed_size; /* octets of filesize not including ar_hdr */
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char *filename; /* null-terminated */
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};
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#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
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/* There is major inconsistency in how running out of memory is handled.
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Some routines return a NULL, and set bfd_error to no_memory.
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However, obstack routines can't do this ... */
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char *bfd_zmalloc PARAMS ((bfd_size_type size));
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/* From libiberty. */
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extern PTR xmalloc PARAMS ((size_t));
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/* SIZE is bfd_size_type. */
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#define bfd_xmalloc(size) xmalloc ((size_t) size)
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/* Defined without an argument so its address can be used. */
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#define bfd_xmalloc_by_size_t xmalloc
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/* These routines allocate and free things on the BFD's obstack. Note
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that realloc can never occur in place. */
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PTR bfd_alloc PARAMS ((bfd *abfd, size_t size));
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PTR bfd_zalloc PARAMS ((bfd *abfd, size_t size));
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PTR bfd_realloc PARAMS ((bfd *abfd, PTR orig, size_t new));
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void bfd_alloc_grow PARAMS ((bfd *abfd, PTR thing, size_t size));
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PTR bfd_alloc_finish PARAMS ((bfd *abfd));
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PTR bfd_alloc_by_size_t PARAMS ((bfd *abfd, size_t wanted));
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#define bfd_release(x,y) (void) obstack_free(&(x->memory),y)
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bfd_size_type bfd_read PARAMS ((PTR ptr, bfd_size_type size,
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bfd_size_type nitems, bfd *abfd));
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bfd_size_type bfd_write PARAMS ((CONST PTR ptr, bfd_size_type size,
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bfd_size_type nitems, bfd *abfd));
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int bfd_seek PARAMS ((bfd* CONST abfd, CONST file_ptr fp,
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CONST int direction));
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long bfd_tell PARAMS ((bfd *abfd));
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int bfd_flush PARAMS ((bfd *abfd));
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int bfd_stat PARAMS ((bfd *abfd, struct stat *));
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bfd * _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
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bfd * _bfd_look_for_bfd_in_cache PARAMS ((bfd *arch_bfd, file_ptr index));
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boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *));
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boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
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struct areltdata * _bfd_snarf_ar_hdr PARAMS ((bfd *abfd));
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bfd_target * bfd_generic_archive_p PARAMS ((bfd *abfd));
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boolean bfd_slurp_armap PARAMS ((bfd *abfd));
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boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
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#define bfd_slurp_bsd_armap bfd_slurp_armap
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#define bfd_slurp_coff_armap bfd_slurp_armap
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boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
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boolean _bfd_write_archive_contents PARAMS ((bfd *abfd));
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bfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos));
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bfd * _bfd_new_bfd PARAMS ((void));
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#define DEFAULT_STRING_SPACE_SIZE 0x2000
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boolean bfd_add_to_string_table PARAMS ((char **table, char *new_string,
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unsigned int *table_length,
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char **free_ptr));
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boolean bfd_false PARAMS ((bfd *ignore));
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boolean bfd_true PARAMS ((bfd *ignore));
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PTR bfd_nullvoidptr PARAMS ((bfd *ignore));
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int bfd_0 PARAMS ((bfd *ignore));
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unsigned int bfd_0u PARAMS ((bfd *ignore));
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void bfd_void PARAMS ((bfd *ignore));
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bfd * _bfd_new_bfd_contained_in PARAMS ((bfd *));
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boolean _bfd_dummy_new_section_hook PARAMS ((bfd *ignore, asection *newsect));
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char * _bfd_dummy_core_file_failing_command PARAMS ((bfd *abfd));
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int _bfd_dummy_core_file_failing_signal PARAMS ((bfd *abfd));
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boolean _bfd_dummy_core_file_matches_executable_p PARAMS ((bfd *core_bfd,
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bfd *exec_bfd));
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bfd_target * _bfd_dummy_target PARAMS ((bfd *abfd));
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void bfd_dont_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
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char *hdr));
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void bfd_bsd_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
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char *hdr));
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void bfd_gnu_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
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char *hdr));
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boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
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struct orl *map, unsigned int orl_count, int stridx));
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boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
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struct orl *map, unsigned int orl_count, int stridx));
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bfd * bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
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bfd *last_file));
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int bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
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boolean bfd_generic_get_section_contents PARAMS ((bfd *abfd, sec_ptr section,
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PTR location, file_ptr offset,
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bfd_size_type count));
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boolean bfd_generic_set_section_contents PARAMS ((bfd *abfd, sec_ptr section,
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PTR location, file_ptr offset,
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bfd_size_type count));
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/* A routine to create entries for a bfd_link_hash_table. */
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extern struct bfd_hash_entry *_bfd_link_hash_newfunc
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PARAMS ((struct bfd_hash_entry *entry,
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struct bfd_hash_table *table,
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const char *string));
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/* Initialize a bfd_link_hash_table. */
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extern boolean _bfd_link_hash_table_init
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PARAMS ((struct bfd_link_hash_table *, bfd *,
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struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
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struct bfd_hash_table *,
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const char *)));
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/* Generic link hash table creation routine. */
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extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
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PARAMS ((bfd *));
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/* Generic add symbol routine. */
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extern boolean _bfd_generic_link_add_symbols
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PARAMS ((bfd *, struct bfd_link_info *));
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/* Generic archive add symbol routine. */
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extern boolean _bfd_generic_link_add_archive_symbols
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PARAMS ((bfd *, struct bfd_link_info *,
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boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));
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/* Forward declaration to avoid prototype errors. */
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typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
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/* Generic routine to add a single symbol. */
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extern boolean _bfd_generic_link_add_one_symbol
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PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
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asection *, bfd_vma, const char *, boolean copy,
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boolean constructor, unsigned int bitsize,
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struct bfd_link_hash_entry **));
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/* Generic link routine. */
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extern boolean _bfd_generic_final_link
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PARAMS ((bfd *, struct bfd_link_info *));
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/* Default link order processing routine. */
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extern boolean _bfd_default_link_order
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PARAMS ((bfd *, struct bfd_link_info *, asection *,
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struct bfd_link_order *));
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/* Final link relocation routine. */
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extern bfd_reloc_status_type _bfd_final_link_relocate
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PARAMS ((const reloc_howto_type *, bfd *, asection *, bfd_byte *,
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bfd_vma address, bfd_vma value, bfd_vma addend));
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/* Relocate a particular location by a howto and a value. */
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extern bfd_reloc_status_type _bfd_relocate_contents
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PARAMS ((const reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
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/* Macros to tell if bfds are read or write enabled.
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Note that bfds open for read may be scribbled into if the fd passed
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to bfd_fdopenr is actually open both for read and write
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simultaneously. However an output bfd will never be open for
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read. Therefore sometimes you want to check bfd_read_p or
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!bfd_read_p, and only sometimes bfd_write_p.
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*/
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#define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
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#define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
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void bfd_assert PARAMS ((char*,int));
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#define BFD_ASSERT(x) \
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{ if (!(x)) bfd_assert(__FILE__,__LINE__); }
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#define BFD_FAIL() \
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{ bfd_assert(__FILE__,__LINE__); }
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FILE * bfd_cache_lookup_worker PARAMS ((bfd *));
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extern bfd *bfd_last_cache;
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/* Now Steve, what's the story here? */
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#ifdef lint
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#define itos(x) "l"
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#define stoi(x) 1
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#else
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#define itos(x) ((char*)(x))
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#define stoi(x) ((int)(x))
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#endif
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/* Generic routine for close_and_cleanup is really just bfd_true. */
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#define bfd_generic_close_and_cleanup bfd_true
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/* List of supported target vectors, and the default vector (if
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bfd_default_vector[0] is NULL, there is no default). */
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extern bfd_target *bfd_target_vector[];
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extern bfd_target *bfd_default_vector[];
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/* And more follows */
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void
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bfd_check_init PARAMS ((void));
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void
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bfd_write_bigendian_4byte_int PARAMS ((bfd *abfd, int i));
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unsigned int
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bfd_log2 PARAMS ((bfd_vma x));
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#define BFD_CACHE_MAX_OPEN 10
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extern bfd *bfd_last_cache;
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#define bfd_cache_lookup(x) \
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((x)==bfd_last_cache? \
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(FILE*)(bfd_last_cache->iostream): \
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bfd_cache_lookup_worker(x))
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boolean
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bfd_cache_close PARAMS ((bfd *abfd));
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FILE*
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bfd_open_file PARAMS ((bfd *abfd));
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FILE *
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bfd_cache_lookup_worker PARAMS ((bfd *abfd));
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void
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bfd_constructor_entry PARAMS ((bfd *abfd,
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asymbol **symbol_ptr_ptr,
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CONST char*type));
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const struct reloc_howto_struct *
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bfd_default_reloc_type_lookup
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PARAMS ((bfd *abfd AND
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bfd_reloc_code_real_type code));
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boolean
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bfd_generic_relax_section
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PARAMS ((bfd *abfd,
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asection *section,
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struct bfd_link_info *,
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asymbol **symbols));
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bfd_byte *
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bfd_generic_get_relocated_section_contents PARAMS ((bfd *abfd,
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struct bfd_link_info *link_info,
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struct bfd_link_order *link_order,
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bfd_byte *data,
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boolean relocateable,
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asymbol **symbols));
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extern bfd_arch_info_type bfd_default_arch_struct;
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boolean
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bfd_default_set_arch_mach PARAMS ((bfd *abfd,
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enum bfd_architecture arch,
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unsigned long mach));
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void
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bfd_arch_init PARAMS ((void));
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void
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bfd_arch_linkin PARAMS ((bfd_arch_info_type *ptr));
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CONST bfd_arch_info_type *
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bfd_default_compatible
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PARAMS ((CONST bfd_arch_info_type *a,
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CONST bfd_arch_info_type *b));
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boolean
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bfd_default_scan PARAMS ((CONST struct bfd_arch_info *info, CONST char *string));
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struct elf_internal_shdr *
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bfd_elf_find_section PARAMS ((bfd *abfd, char *name));
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