/* BFD COFF object file private structure. 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. */ /* Object file tdata; access macros */ #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) #define exec_hdr(bfd) (coff_data(bfd)->hdr) #define obj_symbols(bfd) (coff_data(bfd)->symbols) #define obj_sym_filepos(bfd) (coff_data(bfd)->sym_filepos) #define obj_relocbase(bfd) (coff_data(bfd)->relocbase) #define obj_raw_syments(bfd) (coff_data(bfd)->raw_syments) #define obj_convert(bfd) (coff_data(bfd)->conversion_table) #define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size) #if CFILE_STUFF #define obj_symbol_slew(bfd) (coff_data(bfd)->symbol_index_slew) #else #define obj_symbol_slew(bfd) 0 #endif /* `Tdata' information kept for COFF files. */ typedef struct coff_tdata { struct coff_symbol_struct *symbols; /* symtab for input bfd */ unsigned int *conversion_table; int conv_table_size; file_ptr sym_filepos; long symbol_index_slew; /* used during read to mark whether a C_FILE symbol as been added. */ struct coff_ptr_struct *raw_syments; struct lineno *raw_linenos; unsigned int raw_syment_count; unsigned short flags; /* These are only valid once writing has begun */ long int relocbase; /* These members communicate important constants about the symbol table to GDB's symbol-reading code. These `constants' unfortunately vary from coff implementation to implementation... */ unsigned local_n_btmask; unsigned local_n_btshft; unsigned local_n_tmask; unsigned local_n_tshift; unsigned local_symesz; unsigned local_auxesz; unsigned local_linesz; } coff_data_type; /* We take the address of the first element of a asymbol to ensure that the * macro is only ever applied to an asymbol. */ #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) /* Functions in coffgen.c. */ extern bfd_target *coff_object_p PARAMS ((bfd *)); extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int)); extern unsigned int coff_get_symtab_upper_bound PARAMS ((bfd *)); extern unsigned int coff_get_symtab PARAMS ((bfd *, asymbol **)); extern void coff_count_linenumbers PARAMS ((bfd *)); extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *)); extern void coff_renumber_symbols PARAMS ((bfd *)); extern void coff_mangle_symbols PARAMS ((bfd *)); extern void coff_write_symbols PARAMS ((bfd *)); extern void coff_write_linenumbers PARAMS ((bfd *)); extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *)); extern asymbol *coff_section_symbol PARAMS ((bfd *, char *)); extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *)); extern unsigned int coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr)); extern asymbol *coff_make_empty_symbol PARAMS ((bfd *)); extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *, bfd_print_symbol_type how)); extern asymbol *coff_make_debug_symbol PARAMS ((bfd *, PTR, unsigned long)); extern boolean coff_find_nearest_line PARAMS ((bfd *, asection *, asymbol **, bfd_vma offset, CONST char **filename_ptr, CONST char **functionname_ptr, unsigned int *line_ptr)); extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc)); extern boolean bfd_coff_reloc16_relax_section PARAMS ((bfd *, asection *, asymbol **)); extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents PARAMS ((bfd *, struct bfd_seclet *, bfd_byte *, boolean relocateable)); extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *, struct bfd_seclet *)); /* And more taken from the source .. */ typedef struct coff_ptr_struct { /* Remembers the offset from the first symbol in the file for this symbol. Generated by coff_renumber_symbols. */ unsigned int offset; /* Should the tag field of this symbol be renumbered. Created by coff_pointerize_aux. */ char fix_tag; /* Should the endidx field of this symbol be renumbered. Created by coff_pointerize_aux. */ char fix_end; /* The container for the symbol structure as read and translated from the file. */ union { union internal_auxent auxent; struct internal_syment syment; } u; } combined_entry_type; /* Each canonical asymbol really looks like this: */ typedef struct coff_symbol_struct { /* The actual symbol which the rest of BFD works with */ asymbol symbol; /* A pointer to the hidden information for this symbol */ combined_entry_type *native; /* A pointer to the linenumber information for this symbol */ struct lineno_cache_entry *lineno; /* Have the line numbers been relocated yet ? */ boolean done_lineno; } coff_symbol_type; typedef struct { void (*_bfd_coff_swap_aux_in) PARAMS (( bfd *abfd , PTR ext, int type, int class , PTR in)); void (*_bfd_coff_swap_sym_in) PARAMS (( bfd *abfd , PTR ext, PTR in)); void (*_bfd_coff_swap_lineno_in) PARAMS (( bfd *abfd, PTR ext, PTR in)); unsigned int (*_bfd_coff_swap_aux_out) PARAMS (( bfd *abfd, PTR in, int type, int class, PTR ext)); unsigned int (*_bfd_coff_swap_sym_out) PARAMS (( bfd *abfd, PTR in, PTR ext)); unsigned int (*_bfd_coff_swap_lineno_out) PARAMS (( bfd *abfd, PTR in, PTR ext)); unsigned int (*_bfd_coff_swap_reloc_out) PARAMS (( bfd *abfd, PTR src, PTR dst)); unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS (( bfd *abfd, PTR in, PTR out)); unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS (( bfd *abfd, PTR in, PTR out)); unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS (( bfd *abfd, PTR in, PTR out)); unsigned int _bfd_filhsz; unsigned int _bfd_aoutsz; unsigned int _bfd_scnhsz; unsigned int _bfd_symesz; unsigned int _bfd_auxesz; unsigned int _bfd_linesz; boolean _bfd_coff_long_filenames; void (*_bfd_coff_swap_filehdr_in) PARAMS (( bfd *abfd, PTR ext, PTR in)); void (*_bfd_coff_swap_aouthdr_in) PARAMS (( bfd *abfd, PTR ext, PTR in)); void (*_bfd_coff_swap_scnhdr_in) PARAMS (( bfd *abfd, PTR ext, PTR in)); boolean (*_bfd_coff_bad_format_hook) PARAMS (( bfd *abfd, PTR internal_filehdr)); boolean (*_bfd_coff_set_arch_mach_hook) PARAMS (( bfd *abfd, PTR internal_filehdr)); PTR (*_bfd_coff_mkobject_hook) PARAMS (( bfd *abfd, PTR internal_filehdr)); flagword (*_bfd_styp_to_sec_flags_hook) PARAMS (( bfd *abfd, PTR internal_scnhdr)); asection *(*_bfd_make_section_hook) PARAMS (( bfd *abfd, char *name)); void (*_bfd_set_alignment_hook) PARAMS (( bfd *abfd, asection *sec, PTR internal_scnhdr)); boolean (*_bfd_coff_slurp_symbol_table) PARAMS (( bfd *abfd)); boolean (*_bfd_coff_symname_in_debug) PARAMS (( bfd *abfd, struct internal_syment *sym)); void (*_bfd_coff_reloc16_extra_cases) PARAMS (( bfd *abfd, struct bfd_seclet *seclet, arelent *reloc, bfd_byte *data, unsigned int *src_ptr, unsigned int *dst_ptr)); } bfd_coff_backend_data; #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) #define bfd_coff_swap_aux_in(a,e,t,c,i) \ ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,i)) #define bfd_coff_swap_sym_in(a,e,i) \ ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) #define bfd_coff_swap_lineno_in(a,e,i) \ ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) #define bfd_coff_swap_reloc_out(abfd, i, o) \ ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) #define bfd_coff_swap_lineno_out(abfd, i, o) \ ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) #define bfd_coff_swap_aux_out(abfd, i, t,c,o) \ ((coff_backend_info (abfd)->_bfd_coff_swap_aux_out) (abfd, i,t,c, o)) #define bfd_coff_swap_sym_out(abfd, i,o) \ ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) #define bfd_coff_swap_filehdr_out(abfd, i,o) \ ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) #define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames) #define bfd_coff_swap_filehdr_in(abfd, i,o) \ ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) #define bfd_coff_bad_format_hook(abfd, filehdr) \ ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) #define bfd_coff_mkobject_hook(abfd, filehdr)\ ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr)) #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr)\ ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr)) #define bfd_coff_make_section_hook(abfd, name)\ ((coff_backend_info (abfd)->_bfd_make_section_hook) (abfd, name)) #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) #define bfd_coff_slurp_symbol_table(abfd)\ ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) #define bfd_coff_symname_in_debug(abfd, sym)\ ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) #define bfd_coff_reloc16_extra_cases(abfd, seclet, reloc, data, src_ptr, dst_ptr)\ ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ (abfd, seclet, reloc, data, src_ptr, dst_ptr))