1 /* elfcomm.h -- include file of common code for ELF format file. 2 Copyright (C) 2010-2020 Free Software Foundation, Inc. 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 24 #ifndef _ELFCOMM_H 25 #define _ELFCOMM_H 26 27 #include "aout/ar.h" 28 29 void error (const char *, ...) ATTRIBUTE_PRINTF_1; 30 void warn (const char *, ...) ATTRIBUTE_PRINTF_1; 31 32 typedef unsigned HOST_WIDEST_INT elf_vma; 33 34 extern void (*byte_put) (unsigned char *, elf_vma, int); 35 extern void byte_put_little_endian (unsigned char *, elf_vma, int); 36 extern void byte_put_big_endian (unsigned char *, elf_vma, int); 37 38 extern elf_vma (*byte_get) (const unsigned char *, int); 39 extern elf_vma byte_get_signed (const unsigned char *, int); 40 extern elf_vma byte_get_little_endian (const unsigned char *, int); 41 extern elf_vma byte_get_big_endian (const unsigned char *, int); 42 extern void byte_get_64 (const unsigned char *, elf_vma *, elf_vma *); 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 55 struct archive_info 56 { 57 char * file_name; /* Archive file name. */ 58 FILE * file; /* Open file descriptor. */ 59 elf_vma index_num; /* Number of symbols in table. */ 60 elf_vma * index_array; /* The array of member offsets. */ 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. */ 68 bfd_boolean uses_64bit_indices; /* TRUE if the index table uses 64bit entries. */ 69 struct ar_hdr arhdr; /* Current archive header. */ 70 }; 71 72 /* Return the path name for a proxy entry in a thin archive. */ 73 extern char *adjust_relative_path (const char *, const char *, unsigned long); 74 75 /* Read the symbol table and long-name table from an archive. */ 76 extern int setup_archive (struct archive_info *, const char *, FILE *, 77 bfd_boolean, bfd_boolean); 78 79 /* Open and setup a nested archive, if not already open. */ 80 extern int setup_nested_archive (struct archive_info *, const char *); 81 82 /* Release the memory used for the archive information. */ 83 extern void release_archive (struct archive_info *); 84 85 /* Get the name of an archive member from the current archive header. */ 86 87 extern 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 93 extern 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. */ 99 100 extern char *make_qualified_name (struct archive_info *, 101 struct archive_info *, 102 const char *); 103 104 #endif /* _ELFCOMM_H */ 105