212 lines
6.2 KiB
C
212 lines
6.2 KiB
C
/* 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)))
|
|
|
|
|
|
|
|
/* 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));
|
|
|
|
} bfd_coff_backend_data;
|
|
|
|
extern bfd_coff_backend_data bfd_coff_std_swap_table;
|
|
|
|
#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))
|
|
|