-/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+/* 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 Diddler.
+This file is part of BFD, the Binary File Descriptor library.
-BFD is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-BFD is distributed in the hope that it will be useful,
+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 BFD; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-/* $Id$ */
-
-/* BFD COFF object file private structure. */
/* Object file tdata; access macros */
-#define obj_icof(bfd) ((struct icofdata *) ((bfd)->tdata))
-#define coff_data(bfd) ((struct icofdata *) ((bfd)->tdata))
-#define exec_hdr(bfd) (obj_icof(bfd)->hdr)
-#define obj_symbols(bfd) (obj_icof(bfd)->symbols)
-#define obj_sym_filepos(bfd) (obj_icof(bfd)->sym_filepos)
-
-#define obj_relocbase(bfd) (obj_icof(bfd)->relocbase)
-#define obj_raw_syments(bfd) (obj_icof(bfd)->raw_syments)
-#define obj_convert(bfd) (obj_icof(bfd)->conversion_table)
-#define obj_symbol_slew(bfd) (obj_icof(bfd)->symbol_index_slew)
-#define obj_string_table(bfd) (obj_icof(bfd)->string_table)
-
-typedef struct {
- asymbol symbol;
- struct syment *native;
- struct lineno_cache_entry *lineno;
-} coff_symbol_type;
+#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
+
-typedef struct icofdata
+/* `Tdata' information kept for COFF files. */
+
+typedef struct coff_tdata
{
- struct aouthdr hdr; /* exec file header */
- coff_symbol_type *symbols; /* symtab for input bfd */
+ 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 syment *raw_syments;
+ struct coff_ptr_struct *raw_syments;
struct lineno *raw_linenos;
unsigned int raw_syment_count;
- char *string_table;
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 cast the address of the first element of a asymbol to ensure that the
+/* 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 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,
+ 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));
+} 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))
+
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