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3284fe0c 1/* elfcomm.h -- include file of common code for ELF format file.
b3adc24a 2 Copyright (C) 2010-2020 Free Software Foundation, Inc.
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3
4 Originally developed by Eric Youngdale <eric@andante.jic.com>
5 Modifications by Nick Clifton <nickc@redhat.com>
6
7 This file is part of GNU Binutils.
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
22 02110-1301, USA. */
23\f
24#ifndef _ELFCOMM_H
25#define _ELFCOMM_H
26
27#include "aout/ar.h"
28
29void error (const char *, ...) ATTRIBUTE_PRINTF_1;
30void warn (const char *, ...) ATTRIBUTE_PRINTF_1;
31
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32typedef unsigned HOST_WIDEST_INT elf_vma;
33
34extern void (*byte_put) (unsigned char *, elf_vma, int);
35extern void byte_put_little_endian (unsigned char *, elf_vma, int);
36extern void byte_put_big_endian (unsigned char *, elf_vma, int);
37
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38extern elf_vma (*byte_get) (const unsigned char *, int);
39extern elf_vma byte_get_signed (const unsigned char *, int);
40extern elf_vma byte_get_little_endian (const unsigned char *, int);
41extern elf_vma byte_get_big_endian (const unsigned char *, int);
42extern void byte_get_64 (const unsigned char *, elf_vma *, elf_vma *);
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43
44#define BYTE_PUT(field, val) byte_put (field, val, sizeof (field))
45#define BYTE_GET(field) byte_get (field, sizeof (field))
46#define BYTE_GET_SIGNED(field) byte_get_signed (field, sizeof (field))
47
48/* This is just a bit of syntatic sugar. */
49#define streq(a,b) (strcmp ((a), (b)) == 0)
50#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0)
51#define const_strneq(a,b) (strncmp ((a), (b), sizeof (b) - 1) == 0)
52
53/* Structure to hold information about an archive file. */
54
55struct archive_info
56{
57 char * file_name; /* Archive file name. */
58 FILE * file; /* Open file descriptor. */
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59 elf_vma index_num; /* Number of symbols in table. */
60 elf_vma * index_array; /* The array of member offsets. */
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61 char * sym_table; /* The symbol table. */
62 unsigned long sym_size; /* Size of the symbol table. */
63 char * longnames; /* The long file names table. */
64 unsigned long longnames_size; /* Size of the long file names table. */
65 unsigned long nested_member_origin; /* Origin in the nested archive of the current member. */
66 unsigned long next_arhdr_offset; /* Offset of the next archive header. */
67 bfd_boolean is_thin_archive; /* TRUE if this is a thin archive. */
67ce483b 68 bfd_boolean uses_64bit_indices; /* TRUE if the index table uses 64bit entries. */
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69 struct ar_hdr arhdr; /* Current archive header. */
70};
71
72/* Return the path name for a proxy entry in a thin archive. */
591f7597 73extern char *adjust_relative_path (const char *, const char *, unsigned long);
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74
75/* Read the symbol table and long-name table from an archive. */
76extern int setup_archive (struct archive_info *, const char *, FILE *,
780f96ae 77 bfd_size_type, bfd_boolean, bfd_boolean);
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78
79/* Open and setup a nested archive, if not already open. */
80extern int setup_nested_archive (struct archive_info *, const char *);
81
82/* Release the memory used for the archive information. */
83extern void release_archive (struct archive_info *);
84
85/* Get the name of an archive member from the current archive header. */
86
87extern char *get_archive_member_name (struct archive_info *,
88 struct archive_info *);
89
90/* Get the name of an archive member at a given offset within an
91 archive. */
92
93extern char *get_archive_member_name_at (struct archive_info *,
94 unsigned long,
95 struct archive_info *);
96
97/* Construct a string showing the name of the archive member, qualified
98 with the name of the containing archive file. */
99
100extern char *make_qualified_name (struct archive_info *,
101 struct archive_info *,
102 const char *);
103
104#endif /* _ELFCOMM_H */