1 /* elfcomm.h -- include file of common code for ELF format file. 2 Copyright (C) 2010-2014 Free Software Foundation, Inc. 3 4 Originally developed by Eric Youngdale <eric (at) andante.jic.com> 5 Modifications by Nick Clifton <nickc (at) 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 24 #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 extern void byte_get_64 (unsigned char *, elf_vma *, elf_vma *); 51 52 #define BYTE_PUT(field, val) byte_put (field, val, sizeof (field)) 53 #define BYTE_GET(field) byte_get (field, sizeof (field)) 54 #define BYTE_GET_SIGNED(field) byte_get_signed (field, sizeof (field)) 55 56 /* This is just a bit of syntatic sugar. */ 57 #define streq(a,b) (strcmp ((a), (b)) == 0) 58 #define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0) 59 #define const_strneq(a,b) (strncmp ((a), (b), sizeof (b) - 1) == 0) 60 61 /* Structure to hold information about an archive file. */ 62 63 struct archive_info 64 { 65 char * file_name; /* Archive file name. */ 66 FILE * file; /* Open file descriptor. */ 67 elf_vma index_num; /* Number of symbols in table. */ 68 elf_vma * index_array; /* The array of member offsets. */ 69 char * sym_table; /* The symbol table. */ 70 unsigned long sym_size; /* Size of the symbol table. */ 71 char * longnames; /* The long file names table. */ 72 unsigned long longnames_size; /* Size of the long file names table. */ 73 unsigned long nested_member_origin; /* Origin in the nested archive of the current member. */ 74 unsigned long next_arhdr_offset; /* Offset of the next archive header. */ 75 bfd_boolean is_thin_archive; /* TRUE if this is a thin archive. */ 76 bfd_boolean uses_64bit_indicies; /* TRUE if the index table uses 64bit entries. */ 77 struct ar_hdr arhdr; /* Current archive header. */ 78 }; 79 80 /* Return the path name for a proxy entry in a thin archive. */ 81 extern char *adjust_relative_path (const char *, const char *, int); 82 83 /* Read the symbol table and long-name table from an archive. */ 84 extern int setup_archive (struct archive_info *, const char *, FILE *, 85 bfd_boolean, bfd_boolean); 86 87 /* Open and setup a nested archive, if not already open. */ 88 extern int setup_nested_archive (struct archive_info *, const char *); 89 90 /* Release the memory used for the archive information. */ 91 extern void release_archive (struct archive_info *); 92 93 /* Get the name of an archive member from the current archive header. */ 94 95 extern char *get_archive_member_name (struct archive_info *, 96 struct archive_info *); 97 98 /* Get the name of an archive member at a given offset within an 99 archive. */ 100 101 extern char *get_archive_member_name_at (struct archive_info *, 102 unsigned long, 103 struct archive_info *); 104 105 /* Construct a string showing the name of the archive member, qualified 106 with the name of the containing archive file. */ 107 108 extern char *make_qualified_name (struct archive_info *, 109 struct archive_info *, 110 const char *); 111 112 #endif /* _ELFCOMM_H */ 113