diff options
Diffstat (limited to 'gnu/usr.bin/gdb/bfd/libcoff.h')
| -rw-r--r-- | gnu/usr.bin/gdb/bfd/libcoff.h | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/gnu/usr.bin/gdb/bfd/libcoff.h b/gnu/usr.bin/gdb/bfd/libcoff.h new file mode 100644 index 000000000000..2aa6ad4b1615 --- /dev/null +++ b/gnu/usr.bin/gdb/bfd/libcoff.h @@ -0,0 +1,352 @@ +/* BFD COFF object file private structure. + Copyright (C) 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. */ + + +/* 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_raw_syment_count(bfd) (coff_data(bfd)->raw_syment_count) +#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 int 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 void coff_get_symbol_info PARAMS ((bfd *, asymbol *, + symbol_info *ret)); +extern asymbol *coff_bfd_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, + PTR internal_aouthdr)); + 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)); + int (*_bfd_coff_reloc16_estimate) PARAMS (( + asection *input_section, + asymbol **symbols, + arelent *r, + unsigned int shrink)); + +} 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, aouthdr)\ + ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr)) + +#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)) + +#define bfd_coff_reloc16_estimate(abfd, section, symbols, reloc, shrink)\ + ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ + (section, symbols, reloc, shrink)) + + |