1 /* BFD COFF object file private structure.
2 Copyright (C) 1990-1991 Free Software Foundation, Inc.
3 Written by Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
22 /* Object file tdata; access macros */
24 #define coff_data(bfd) ((bfd)->tdata.coff_obj_data)
25 #define exec_hdr(bfd) (coff_data(bfd)->hdr)
26 #define obj_symbols(bfd) (coff_data(bfd)->symbols)
27 #define obj_sym_filepos(bfd) (coff_data(bfd)->sym_filepos)
29 #define obj_relocbase(bfd) (coff_data(bfd)->relocbase)
30 #define obj_raw_syments(bfd) (coff_data(bfd)->raw_syments)
31 #define obj_convert(bfd) (coff_data(bfd)->conversion_table)
32 #define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size)
34 #define obj_symbol_slew(bfd) (coff_data(bfd)->symbol_index_slew)
36 #define obj_symbol_slew(bfd) 0
40 /* `Tdata' information kept for COFF files. */
42 typedef struct coff_tdata
44 struct coff_symbol_struct
*symbols
; /* symtab for input bfd */
45 unsigned int *conversion_table
;
49 long symbol_index_slew
; /* used during read to mark whether a
50 C_FILE symbol as been added. */
52 struct coff_ptr_struct
*raw_syments
;
53 struct lineno
*raw_linenos
;
54 unsigned int raw_syment_count
;
57 /* These are only valid once writing has begun */
60 /* These members communicate important constants about the symbol table
61 to GDB's symbol-reading code. These `constants' unfortunately vary
62 from coff implementation to implementation... */
63 unsigned local_n_btmask
;
64 unsigned local_n_btshft
;
65 unsigned local_n_tmask
;
66 unsigned local_n_tshift
;
67 unsigned local_symesz
;
68 unsigned local_auxesz
;
69 unsigned local_linesz
;
72 /* We take the address of the first element of a asymbol to ensure that the
73 * macro is only ever applied to an asymbol. */
74 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
76 /* Functions in coffgen.c. */
77 extern bfd_target
*coff_object_p
PARAMS ((bfd
*));
78 extern struct sec
*coff_section_from_bfd_index
PARAMS ((bfd
*, int));
79 extern unsigned int coff_get_symtab_upper_bound
PARAMS ((bfd
*));
80 extern unsigned int coff_get_symtab
PARAMS ((bfd
*, asymbol
**));
81 extern void coff_count_linenumbers
PARAMS ((bfd
*));
82 extern struct coff_symbol_struct
*coff_symbol_from
PARAMS ((bfd
*, asymbol
*));
83 extern void coff_renumber_symbols
PARAMS ((bfd
*));
84 extern void coff_mangle_symbols
PARAMS ((bfd
*));
85 extern void coff_write_symbols
PARAMS ((bfd
*));
86 extern void coff_write_linenumbers
PARAMS ((bfd
*));
87 extern alent
*coff_get_lineno
PARAMS ((bfd
*, asymbol
*));
88 extern asymbol
*coff_section_symbol
PARAMS ((bfd
*, char *));
89 extern struct coff_ptr_struct
*coff_get_normalized_symtab
PARAMS ((bfd
*));
90 extern unsigned int coff_get_reloc_upper_bound
PARAMS ((bfd
*, sec_ptr
));
91 extern asymbol
*coff_make_empty_symbol
PARAMS ((bfd
*));
92 extern void coff_print_symbol
PARAMS ((bfd
*, PTR filep
, asymbol
*,
93 bfd_print_symbol_type how
));
94 extern asymbol
*coff_make_debug_symbol
PARAMS ((bfd
*, PTR
, unsigned long));
95 extern boolean coff_find_nearest_line
PARAMS ((bfd
*,
99 CONST
char **filename_ptr
,
100 CONST
char **functionname_ptr
,
101 unsigned int *line_ptr
));
102 extern int coff_sizeof_headers
PARAMS ((bfd
*, boolean reloc
));
103 extern boolean bfd_coff_reloc16_relax_section
PARAMS ((bfd
*,
106 extern bfd_byte
*bfd_coff_reloc16_get_relocated_section_contents
107 PARAMS ((bfd
*, struct bfd_seclet
*, bfd_byte
*, boolean relocateable
));
108 extern bfd_vma bfd_coff_reloc16_get_value
PARAMS ((arelent
*,
109 struct bfd_seclet
*));
111 /* And more taken from the source .. */