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/* elfcomm.h -- include file of common code for ELF format file.
Copyright (C) 2010-2020 Free Software Foundation, Inc.
Originally developed by Eric Youngdale <eric@andante.jic.com>
Modifications by Nick Clifton <nickc@redhat.com>
This file is part of GNU Binutils.
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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#ifndef _ELFCOMM_H
#define _ELFCOMM_H
#include "aout/ar.h"
extern void error (const char *, ...) ATTRIBUTE_PRINTF_1;
extern void warn (const char *, ...) ATTRIBUTE_PRINTF_1;
typedef unsigned HOST_WIDEST_INT elf_vma;
extern void (*byte_put) (unsigned char *, elf_vma, int);
extern void byte_put_little_endian (unsigned char *, elf_vma, int);
extern void byte_put_big_endian (unsigned char *, elf_vma, int);
extern elf_vma (*byte_get) (const unsigned char *, int);
extern elf_vma byte_get_signed (const unsigned char *, int);
extern elf_vma byte_get_little_endian (const unsigned char *, int);
extern elf_vma byte_get_big_endian (const unsigned char *, int);
extern void byte_get_64 (const unsigned char *, elf_vma *, elf_vma *);
#define BYTE_PUT(field, val) byte_put (field, val, sizeof (field))
#define BYTE_GET(field) byte_get (field, sizeof (field))
#define BYTE_GET_SIGNED(field) byte_get_signed (field, sizeof (field))
/* This is just a bit of syntatic sugar. */
#define streq(a,b) (strcmp ((a), (b)) == 0)
#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0)
#define const_strneq(a,b) (strncmp ((a), (b), sizeof (b) - 1) == 0)
/* Structure to hold information about an archive file. */
struct archive_info
{
char * file_name; /* Archive file name. */
FILE * file; /* Open file descriptor. */
elf_vma index_num; /* Number of symbols in table. */
elf_vma * index_array; /* The array of member offsets. */
char * sym_table; /* The symbol table. */
unsigned long sym_size; /* Size of the symbol table. */
char * longnames; /* The long file names table. */
unsigned long longnames_size; /* Size of the long file names table. */
unsigned long nested_member_origin; /* Origin in the nested archive of the current member. */
unsigned long next_arhdr_offset; /* Offset of the next archive header. */
int is_thin_archive; /* 1 if this is a thin archive. */
int uses_64bit_indices; /* 1 if the index table uses 64bit entries. */
struct ar_hdr arhdr; /* Current archive header. */
};
/* Return the path name for a proxy entry in a thin archive. */
extern char *adjust_relative_path (const char *, const char *, unsigned long);
/* Read the symbol table and long-name table from an archive. */
extern int setup_archive (struct archive_info *, const char *, FILE *,
off_t, int, int);
/* Open and setup a nested archive, if not already open. */
extern int setup_nested_archive (struct archive_info *, const char *);
/* Release the memory used for the archive information. */
extern void release_archive (struct archive_info *);
/* Get the name of an archive member from the current archive header. */
extern char *get_archive_member_name (struct archive_info *,
struct archive_info *);
/* Get the name of an archive member at a given offset within an
archive. */
extern char *get_archive_member_name_at (struct archive_info *,
unsigned long,
struct archive_info *);
/* Construct a string showing the name of the archive member, qualified
with the name of the containing archive file. */
extern char *make_qualified_name (struct archive_info *,
struct archive_info *,
const char *);
#endif /* _ELFCOMM_H */
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