| 1 | /* elfcomm.h -- include file of common code for ELF format file. |
| 2 | Copyright 2010 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | Originally developed by Eric Youngdale <eric@andante.jic.com> |
| 6 | Modifications by Nick Clifton <nickc@redhat.com> |
| 7 | |
| 8 | This file is part of GNU Binutils. |
| 9 | |
| 10 | This program is free software; you can redistribute it and/or modify |
| 11 | it under the terms of the GNU General Public License as published by |
| 12 | the Free Software Foundation; either version 3 of the License, or |
| 13 | (at your option) any later version. |
| 14 | |
| 15 | This program is distributed in the hope that it will be useful, |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | GNU General Public License for more details. |
| 19 | |
| 20 | You should have received a copy of the GNU General Public License |
| 21 | along with this program; if not, write to the Free Software |
| 22 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA |
| 23 | 02110-1301, USA. */ |
| 24 | \f |
| 25 | #ifndef _ELFCOMM_H |
| 26 | #define _ELFCOMM_H |
| 27 | |
| 28 | #include "aout/ar.h" |
| 29 | |
| 30 | void error (const char *, ...) ATTRIBUTE_PRINTF_1; |
| 31 | void warn (const char *, ...) ATTRIBUTE_PRINTF_1; |
| 32 | |
| 33 | #if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2) |
| 34 | /* We can't use any bfd types here since readelf may define BFD64 and |
| 35 | objdump may not. */ |
| 36 | #define HOST_WIDEST_INT long long |
| 37 | #else |
| 38 | #define HOST_WIDEST_INT long |
| 39 | #endif |
| 40 | typedef unsigned HOST_WIDEST_INT elf_vma; |
| 41 | |
| 42 | extern void (*byte_put) (unsigned char *, elf_vma, int); |
| 43 | extern void byte_put_little_endian (unsigned char *, elf_vma, int); |
| 44 | extern void byte_put_big_endian (unsigned char *, elf_vma, int); |
| 45 | |
| 46 | extern elf_vma (*byte_get) (unsigned char *, int); |
| 47 | extern elf_vma byte_get_signed (unsigned char *, int); |
| 48 | extern elf_vma byte_get_little_endian (unsigned char *, int); |
| 49 | extern elf_vma byte_get_big_endian (unsigned char *, int); |
| 50 | |
| 51 | #define BYTE_PUT(field, val) byte_put (field, val, sizeof (field)) |
| 52 | #define BYTE_GET(field) byte_get (field, sizeof (field)) |
| 53 | #define BYTE_GET_SIGNED(field) byte_get_signed (field, sizeof (field)) |
| 54 | |
| 55 | /* This is just a bit of syntatic sugar. */ |
| 56 | #define streq(a,b) (strcmp ((a), (b)) == 0) |
| 57 | #define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0) |
| 58 | #define const_strneq(a,b) (strncmp ((a), (b), sizeof (b) - 1) == 0) |
| 59 | |
| 60 | /* Structure to hold information about an archive file. */ |
| 61 | |
| 62 | struct archive_info |
| 63 | { |
| 64 | char * file_name; /* Archive file name. */ |
| 65 | FILE * file; /* Open file descriptor. */ |
| 66 | unsigned long index_num; /* Number of symbols in table. */ |
| 67 | unsigned long * index_array; /* The array of member offsets. */ |
| 68 | char * sym_table; /* The symbol table. */ |
| 69 | unsigned long sym_size; /* Size of the symbol table. */ |
| 70 | char * longnames; /* The long file names table. */ |
| 71 | unsigned long longnames_size; /* Size of the long file names table. */ |
| 72 | unsigned long nested_member_origin; /* Origin in the nested archive of the current member. */ |
| 73 | unsigned long next_arhdr_offset; /* Offset of the next archive header. */ |
| 74 | bfd_boolean is_thin_archive; /* TRUE if this is a thin archive. */ |
| 75 | struct ar_hdr arhdr; /* Current archive header. */ |
| 76 | }; |
| 77 | |
| 78 | /* Return the path name for a proxy entry in a thin archive. */ |
| 79 | extern char *adjust_relative_path (const char *, const char *, int); |
| 80 | |
| 81 | /* Read the symbol table and long-name table from an archive. */ |
| 82 | extern int setup_archive (struct archive_info *, const char *, FILE *, |
| 83 | bfd_boolean, bfd_boolean); |
| 84 | |
| 85 | /* Open and setup a nested archive, if not already open. */ |
| 86 | extern int setup_nested_archive (struct archive_info *, const char *); |
| 87 | |
| 88 | /* Release the memory used for the archive information. */ |
| 89 | extern void release_archive (struct archive_info *); |
| 90 | |
| 91 | /* Get the name of an archive member from the current archive header. */ |
| 92 | |
| 93 | extern char *get_archive_member_name (struct archive_info *, |
| 94 | struct archive_info *); |
| 95 | |
| 96 | /* Get the name of an archive member at a given offset within an |
| 97 | archive. */ |
| 98 | |
| 99 | extern char *get_archive_member_name_at (struct archive_info *, |
| 100 | unsigned long, |
| 101 | struct archive_info *); |
| 102 | |
| 103 | /* Construct a string showing the name of the archive member, qualified |
| 104 | with the name of the containing archive file. */ |
| 105 | |
| 106 | extern char *make_qualified_name (struct archive_info *, |
| 107 | struct archive_info *, |
| 108 | const char *); |
| 109 | |
| 110 | #endif /* _ELFCOMM_H */ |