arm-linux-ar.1
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- .IX Title "AR 1"
- .TH AR 1 "2005-04-20" "binutils-2.15.97" "GNU Development Tools"
- .SH "NAME"
- ar - create, modify, and extract from archives
- .SH "SYNOPSIS"
- .IX Header "SYNOPSIS"
- ar [fB-X32_64fR] [fB-fR]fIpfR[fImodfR [fIrelposfR] [fIcountfR]] fIarchivefR [fImemberfR...]
- .SH "DESCRIPTION"
- .IX Header "DESCRIPTION"
- The s-1GNUs0 fBarfR program creates, modifies, and extracts from
- archives. An fIarchivefR is a single file holding a collection of
- other files in a structure that makes it possible to retrieve
- the original individual files (called fImembersfR of the archive).
- .PP
- The original files' contents, mode (permissions), timestamp, owner, and
- group are preserved in the archive, and can be restored on
- extraction.
- .PP
- &s-1GNUs0 fBarfR can maintain archives whose members have names of any
- length; however, depending on how fBarfR is configured on your
- system, a limit on member-name length may be imposed for compatibility
- with archive formats maintained with other tools. If it exists, the
- limit is often 15 characters (typical of formats related to a.out) or 16
- characters (typical of formats related to coff).
- .PP
- &fBarfR is considered a binary utility because archives of this sort
- are most often used as fIlibrariesfR holding commonly needed
- subroutines.
- .PP
- &fBarfR creates an index to the symbols defined in relocatable
- object modules in the archive when you specify the modifier fBsfR.
- Once created, this index is updated in the archive whenever fBarfR
- makes a change to its contents (save for the fBqfR update operation).
- An archive with such an index speeds up linking to the library, and
- allows routines in the library to call each other without regard to
- their placement in the archive.
- .PP
- You may use fBnm -sfR or fBnm --print-armapfR to list this index
- table. If an archive lacks the table, another form of fBarfR called
- &fBranlibfR can be used to add just the table.
- .PP
- &s-1GNUs0 fBarfR is designed to be compatible with two different
- facilities. You can control its activity using command-line options,
- like the different varieties of fBarfR on Unix systems; or, if you
- specify the single command-line option fB-MfR, you can control it
- with a script supplied via standard input, like the s-1MRIs0 ``librarian''
- program.
- .SH "OPTIONS"
- .IX Header "OPTIONS"
- &s-1GNUs0 fBarfR allows you to mix the operation code fIpfR and modifier
- flags fImodfR in any order, within the first command-line argument.
- .PP
- If you wish, you may begin the first command-line argument with a
- dash.
- .PP
- The fIpfR keyletter specifies what operation to execute; it may be
- any of the following, but you must specify only one of them:
- .IP "fBdfR" 4
- .IX Item "d"
- &fIDeletefR modules from the archive. Specify the names of modules to
- be deleted as fImemberfR...; the archive is untouched if you
- specify no files to delete.
- .Sp
- If you specify the fBvfR modifier, fBarfR lists each module
- as it is deleted.
- .IP "fBmfR" 4
- .IX Item "m"
- Use this operation to fImovefR members in an archive.
- .Sp
- The ordering of members in an archive can make a difference in how
- programs are linked using the library, if a symbol is defined in more
- than one member.
- .Sp
- If no modifiers are used with f(CW*(C`m*(C'fR, any members you name in the
- &fImemberfR arguments are moved to the fIendfR of the archive;
- you can use the fBafR, fBbfR, or fBifR modifiers to move them to a
- specified place instead.
- .IP "fBpfR" 4
- .IX Item "p"
- &fIPrintfR the specified members of the archive, to the standard
- output file. If the fBvfR modifier is specified, show the member
- name before copying its contents to standard output.
- .Sp
- If you specify no fImemberfR arguments, all the files in the archive are
- printed.
- .IP "fBqfR" 4
- .IX Item "q"
- &fIQuick appendfR; Historically, add the files fImemberfR... to the end of
- &fIarchivefR, without checking for replacement.
- .Sp
- The modifiers fBafR, fBbfR, and fBifR do fInotfR affect this
- operation; new members are always placed at the end of the archive.
- .Sp
- The modifier fBvfR makes fBarfR list each file as it is appended.
- .Sp
- Since the point of this operation is speed, the archive's symbol table
- index is not updated, even if it already existed; you can use fBar sfR or
- &fBranlibfR explicitly to update the symbol table index.
- .Sp
- However, too many different systems assume quick append rebuilds the
- index, so s-1GNUs0 fBarfR implements fBqfR as a synonym for fBrfR.
- .IP "fBrfR" 4
- .IX Item "r"
- Insert the files fImemberfR... into fIarchivefR (with
- &fIreplacementfR). This operation differs from fBqfR in that any
- previously existing members are deleted if their names match those being
- added.
- .Sp
- If one of the files named in fImemberfR... does not exist, fBarfR
- displays an error message, and leaves undisturbed any existing members
- of the archive matching that name.
- .Sp
- By default, new members are added at the end of the file; but you may
- use one of the modifiers fBafR, fBbfR, or fBifR to request
- placement relative to some existing member.
- .Sp
- The modifier fBvfR used with this operation elicits a line of
- output for each file inserted, along with one of the letters fBafR or
- &fBrfR to indicate whether the file was appended (no old member
- deleted) or replaced.
- .IP "fBtfR" 4
- .IX Item "t"
- Display a fItablefR listing the contents of fIarchivefR, or those
- of the files listed in fImemberfR... that are present in the
- archive. Normally only the member name is shown; if you also want to
- see the modes (permissions), timestamp, owner, group, and size, you can
- request that by also specifying the fBvfR modifier.
- .Sp
- If you do not specify a fImemberfR, all files in the archive
- are listed.
- .Sp
- If there is more than one file with the same name (say, fBfiefR) in
- an archive (say fBb.afR), fBar t b.a fiefR lists only the
- first instance; to see them all, you must ask for a complete
- listing---in our example, fBar t b.afR.
- .IP "fBxfR" 4
- .IX Item "x"
- &fIExtractfR members (named fImemberfR) from the archive. You can
- use the fBvfR modifier with this operation, to request that
- &fBarfR list each name as it extracts it.
- .Sp
- If you do not specify a fImemberfR, all files in the archive
- are extracted.
- .PP
- A number of modifiers (fImodfR) may immediately follow the fIpfR
- keyletter, to specify variations on an operation's behavior:
- .IP "fBafR" 4
- .IX Item "a"
- Add new files fIafterfR an existing member of the
- archive. If you use the modifier fBafR, the name of an existing archive
- member must be present as the fIrelposfR argument, before the
- &fIarchivefR specification.
- .IP "fBbfR" 4
- .IX Item "b"
- Add new files fIbeforefR an existing member of the
- archive. If you use the modifier fBbfR, the name of an existing archive
- member must be present as the fIrelposfR argument, before the
- &fIarchivefR specification. (same as fBifR).
- .IP "fBcfR" 4
- .IX Item "c"
- &fICreatefR the archive. The specified fIarchivefR is always
- created if it did not exist, when you request an update. But a warning is
- issued unless you specify in advance that you expect to create it, by
- using this modifier.
- .IP "fBffR" 4
- .IX Item "f"
- Truncate names in the archive. s-1GNUs0 fBarfR will normally permit file
- names of any length. This will cause it to create archives which are
- not compatible with the native fBarfR program on some systems. If
- this is a concern, the fBffR modifier may be used to truncate file
- names when putting them in the archive.
- .IP "fBifR" 4
- .IX Item "i"
- Insert new files fIbeforefR an existing member of the
- archive. If you use the modifier fBifR, the name of an existing archive
- member must be present as the fIrelposfR argument, before the
- &fIarchivefR specification. (same as fBbfR).
- .IP "fBlfR" 4
- .IX Item "l"
- This modifier is accepted but not used.
- .IP "fBNfR" 4
- .IX Item "N"
- Uses the fIcountfR parameter. This is used if there are multiple
- entries in the archive with the same name. Extract or delete instance
- &fIcountfR of the given name from the archive.
- .IP "fBofR" 4
- .IX Item "o"
- Preserve the fIoriginalfR dates of members when extracting them. If
- you do not specify this modifier, files extracted from the archive
- are stamped with the time of extraction.
- .IP "fBPfR" 4
- .IX Item "P"
- Use the full path name when matching names in the archive. s-1GNUs0
- &fBarfR can not create an archive with a full path name (such archives
- are not s-1POSIXs0 complaint), but other archive creators can. This option
- will cause s-1GNUs0 fBarfR to match file names using a complete path
- name, which can be convenient when extracting a single file from an
- archive created by another tool.
- .IP "fBsfR" 4
- .IX Item "s"
- Write an object-file index into the archive, or update an existing one,
- even if no other change is made to the archive. You may use this modifier
- flag either with any operation, or alone. Running fBar sfR on an
- archive is equivalent to running fBranlibfR on it.
- .IP "fBSfR" 4
- .IX Item "S"
- Do not generate an archive symbol table. This can speed up building a
- large library in several steps. The resulting archive can not be used
- with the linker. In order to build a symbol table, you must omit the
- &fBSfR modifier on the last execution of fBarfR, or you must run
- &fBranlibfR on the archive.
- .IP "fBufR" 4
- .IX Item "u"
- Normally, fBar rfR... inserts all files
- listed into the archive. If you would like to insert fIonlyfR those
- of the files you list that are newer than existing members of the same
- names, use this modifier. The fBufR modifier is allowed only for the
- operation fBrfR (replace). In particular, the combination fBqufR is
- not allowed, since checking the timestamps would lose any speed
- advantage from the operation fBqfR.
- .IP "fBvfR" 4
- .IX Item "v"
- This modifier requests the fIverbosefR version of an operation. Many
- operations display additional information, such as filenames processed,
- when the modifier fBvfR is appended.
- .IP "fBVfR" 4
- .IX Item "V"
- This modifier shows the version number of fBarfR.
- .PP
- &fBarfR ignores an initial option spelt fB-X32_64fR, for
- compatibility with s-1AIXs0. The behaviour produced by this option is the
- default for s-1GNUs0 fBarfR. fBarfR does not support any of the other
- &fB-XfR options; in particular, it does not support fB-X32fR
- which is the default for s-1AIXs0 fBarfR.
- .SH "SEE ALSO"
- .IX Header "SEE ALSO"
- &fInmfR|(1), fIranlibfR|(1), and the Info entries for fIbinutilsfR.
- .SH "COPYRIGHT"
- .IX Header "COPYRIGHT"
- Copyright (c) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
- .PP
- Permission is granted to copy, distribute and/or modify this document
- under the terms of the s-1GNUs0 Free Documentation License, Version 1.1
- or any later version published by the Free Software Foundation;
- with no Invariant Sections, with no Front-Cover Texts, and with no
- Back-Cover Texts. A copy of the license is included in the
- section entitled ``s-1GNUs0 Free Documentation License''.