| 1 | /* ranlib.h -- archive library index member definition for GNU.
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| 2 | Copyright 1990, 1991 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software; you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 2 of the License, or
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| 7 | (at your option) any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program; if not, write to the Free Software
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| 16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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| 17 |
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| 18 | /* The Symdef member of an archive contains two things:
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| 19 | a table that maps symbol-string offsets to file offsets,
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| 20 | and a symbol-string table. All the symbol names are
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| 21 | run together (each with trailing null) in the symbol-string
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| 22 | table. There is a single longword bytecount on the front
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| 23 | of each of these tables. Thus if we have two symbols,
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| 24 | "foo" and "_bar", that are in archive members at offsets
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| 25 | 200 and 900, it would look like this:
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| 26 | 16 ; byte count of index table
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| 27 | 0 ; offset of "foo" in string table
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| 28 | 200 ; offset of foo-module in file
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| 29 | 4 ; offset of "bar" in string table
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| 30 | 900 ; offset of bar-module in file
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| 31 | 9 ; byte count of string table
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| 32 | "foo\0_bar\0" ; string table */
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| 33 |
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| 34 | #define RANLIBMAG "__.SYMDEF" /* Archive file name containing index */
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| 35 | #define RANLIBSKEW 3 /* Creation time offset */
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| 36 |
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| 37 | /* Format of __.SYMDEF:
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| 38 | First, a longword containing the size of the 'symdef' data that follows.
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| 39 | Second, zero or more 'symdef' structures.
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| 40 | Third, a longword containing the length of symbol name strings.
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| 41 | Fourth, zero or more symbol name strings (each followed by a null). */
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| 42 |
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| 43 | struct symdef
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| 44 | {
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| 45 | union
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| 46 | {
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| 47 | unsigned long string_offset; /* In the file */
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| 48 | char *name; /* In memory, sometimes */
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| 49 | } s;
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| 50 | /* this points to the front of the file header (AKA member header --
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| 51 | a struct ar_hdr), not to the front of the file or into the file).
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| 52 | in other words it only tells you which file to read */
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| 53 | unsigned long file_offset;
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| 54 | };
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| 55 |
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| 56 | /* Compatability with BSD code */
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| 57 |
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| 58 | #define ranlib symdef
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| 59 | #define ran_un s
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| 60 | #define ran_strx string_offset
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| 61 | #define ran_name name
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| 62 | #define ran_off file_offset
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