91 lines
3.8 KiB
C
91 lines
3.8 KiB
C
/*
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* Copyright (c) 2016 Apple, Inc. All rights reserved.
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*/
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/* ranlib.h 4.1 83/05/03 */
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#ifndef _MACH_O_RANLIB_H_
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#define _MACH_O_RANLIB_H_
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#include <stdint.h>
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#include <sys/types.h> /* off_t */
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/*
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* There are two known orders of table of contents for archives. The first is
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* the order ranlib(1) originally produced and still produces without any
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* options. This table of contents has the archive member name "__.SYMDEF"
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* This order has the ranlib structures in the order the objects appear in the
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* archive and the symbol names of those objects in the order of symbol table.
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* The second know order is sorted by symbol name and is produced with the -s
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* option to ranlib(1). This table of contents has the archive member name
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* "__.SYMDEF SORTED" and many programs (notably the 1.0 version of ld(1) can't
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* tell the difference between names because of the imbedded blank in the name
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* and works with either table of contents). This second order is used by the
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* post 1.0 link editor to produce faster linking. The original 1.0 version of
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* ranlib(1) gets confused when it is run on a archive with the second type of
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* table of contents because it and ar(1) which it uses use different ways to
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* determined the member name (ar(1) treats all blanks in the name as
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* significant and ranlib(1) only checks for the first one).
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*/
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#define SYMDEF "__.SYMDEF"
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#define SYMDEF_SORTED "__.SYMDEF SORTED"
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/*
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* Structure of the __.SYMDEF table of contents for an archive.
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* __.SYMDEF begins with a uint32_t giving the size in bytes of the ranlib
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* structures which immediately follow, and then continues with a string
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* table consisting of a uint32_t giving the number of bytes of strings which
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* follow and then the strings themselves. The ran_strx fields index the
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* string table whose first byte is numbered 0.
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*/
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struct ranlib {
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union {
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uint32_t ran_strx; /* string table index of */
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#ifndef __LP64__
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char *ran_name; /* symbol defined by */
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#endif
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} ran_un;
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uint32_t ran_off; /* library member at this offset */
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};
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#define SYMDEF_64 "__.SYMDEF_64"
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#define SYMDEF_64_SORTED "__.SYMDEF_64 SORTED"
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/*
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* The support for the 64-bit table of contents described here is a work in
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* progress and not yet fully supported in all the Apple Developer Tools.
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*
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* When an archive offset to a library member is more than 32-bits then this is
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* the structure of the __.SYMDEF_64 table of contents for an archive.
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* __.SYMDEF_64 begins with a uint64_t giving the size in bytes of the ranlib
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* structures which immediately follow, and then continues with a string
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* table consisting of a uint64_t giving the number of bytes of strings which
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* follow and then the strings themselves. The ran_strx fields index the
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* string table whose first byte is numbered 0.
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*/
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struct ranlib_64 {
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union {
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uint64_t ran_strx; /* string table index of */
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} ran_un;
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uint64_t ran_off; /* library member at this offset */
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};
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#endif /* _MACH_O_RANLIB_H_ */
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