These changes cut the size of libbfd.a on a Sun4 by about 11%.
[deliverable/binutils-gdb.git] / bfd / libcoff-in.h
1 /* BFD COFF object file private structure.
2 Copyright (C) 1990-1991 Free Software Foundation, Inc.
3 Written by Cygnus Support.
4
5 This file is part of BFD, the Binary File Descriptor library.
6
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.
11
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.
16
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. */
20
21
22 /* Object file tdata; access macros */
23
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)
28
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)
33 #if CFILE_STUFF
34 #define obj_symbol_slew(bfd) (coff_data(bfd)->symbol_index_slew)
35 #else
36 #define obj_symbol_slew(bfd) 0
37 #endif
38
39
40 /* `Tdata' information kept for COFF files. */
41
42 typedef struct coff_tdata
43 {
44 struct coff_symbol_struct *symbols; /* symtab for input bfd */
45 unsigned int *conversion_table;
46 int conv_table_size;
47 file_ptr sym_filepos;
48
49 long symbol_index_slew; /* used during read to mark whether a
50 C_FILE symbol as been added. */
51
52 struct coff_ptr_struct *raw_syments;
53 struct lineno *raw_linenos;
54 unsigned int raw_syment_count;
55 unsigned short flags;
56
57 /* These are only valid once writing has begun */
58 long int relocbase;
59
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;
70 } coff_data_type;
71
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)))
75
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 *,
96 asection *,
97 asymbol **,
98 bfd_vma offset,
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 *,
104 asection *,
105 asymbol **));
106 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
107 PARAMS ((bfd *, bfd_seclet_type *, bfd_byte *));
108 extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *,
109 bfd_seclet_type *));
110
111 /* And more taken from the source .. */
112
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