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64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/* ranlib.h -- archive library index member definition for GNU.
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Copyright (C) 1990-2022 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* The Symdef member of an archive contains two things:
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a table that maps symbol-string offsets to file offsets,
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and a symbol-string table. All the symbol names are
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run together (each with trailing null) in the symbol-string
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table. There is a single longword bytecount on the front
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of each of these tables. Thus if we have two symbols,
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"foo" and "_bar", that are in archive members at offsets
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200 and 900, it would look like this:
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16 ; byte count of index table
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0 ; offset of "foo" in string table
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200 ; offset of foo-module in file
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4 ; offset of "bar" in string table
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900 ; offset of bar-module in file
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9 ; byte count of string table
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"foo\0_bar\0" ; string table */
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#define RANLIBMAG "__.SYMDEF" /* Archive file name containing index */
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#define RANLIBSKEW 3 /* Creation time offset */
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/* Format of __.SYMDEF:
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First, a longword containing the size of the 'symdef' data that follows.
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Second, zero or more 'symdef' structures.
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Third, a longword containing the length of symbol name strings.
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Fourth, zero or more symbol name strings (each followed by a null). */
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struct symdef
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{
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union
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{
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unsigned long string_offset; /* In the file */
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char *name; /* In memory, sometimes */
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} s;
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/* this points to the front of the file header (AKA member header --
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a struct ar_hdr), not to the front of the file or into the file).
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in other words it only tells you which file to read */
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unsigned long file_offset;
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};
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/* Compatability with BSD code */
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#define ranlib symdef
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#define ran_un s
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#define ran_strx string_offset
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#define ran_name name
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#define ran_off file_offset
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