strip


SYNOPSIS
       strip [-F bfdname |--target=bfdname]
             [-I bfdname |--input-target=bfdname]
             [-O bfdname |--output-target=bfdname]
             [-s|--strip-all]
             [-S|-g|-d|--strip-debug]
             [-K symbolname |--keep-symbol=symbolname]
             [-N symbolname |--strip-symbol=symbolname]
             [-w|--wildcard]
             [-x|--discard-all] [-X |--discard-locals]
             [-R sectionname |--remove-section=sectionname]
             [-o file] [-p|--preserve-dates]
             [--keep-file-symbols]
             [--only-keep-debug]
             [-v |--verbose] [-V|--version]
             [--help] [--info]
             objfile...

DESCRIPTION
       GNU strip discards all symbols from object files objfile.  The list of
       object files may include archives.  At least one object file must be
       given.

       strip modifies the files named in its argument, rather than writing
       modified copies under different names.

OPTIONS
       -F bfdname
       --target=bfdname
           Treat the original objfile as a file with the object code format
           bfdname, and rewrite it in the same format.

       --help
           Show a summary of the options to strip and exit.

       --info
           Display a list showing all architectures and object formats
           available.

       -I bfdname
       --input-target=bfdname
           Treat the original objfile as a file with the object code format
           bfdname.

       -O bfdname
       --output-target=bfdname
           Replace objfile with a file in the output format bfdname.

       -R sectionname
       --remove-section=sectionname
           Remove any section named sectionname from the output file.  This
           option may be given more than once.  Note that using this option
           inappropriately may make the output file unusable.
           Remove all symbols that are not needed for relocation processing.

       -K symbolname
       --keep-symbol=symbolname
           When stripping symbols, keep symbol symbolname even if it would
           normally be stripped.  This option may be given more than once.

       -N symbolname
       --strip-symbol=symbolname
           Remove symbol symbolname from the source file. This option may be
           given more than once, and may be combined with strip options other
           than -K.

       -o file
           Put the stripped output in file, rather than replacing the existing
           file.  When this argument is used, only one objfile argument may be
           specified.

       -p
       --preserve-dates
           Preserve the access and modification dates of the file.

       -w
       --wildcard
           Permit regular expressions in symbolnames used in other command
           line options.  The question mark (?), asterisk (*), backslash (\)
           and square brackets ([]) operators can be used anywhere in the
           symbol name.  If the first character of the symbol name is the
           exclamation point (!) then the sense of the switch is reversed for
           that symbol.  For example:

                     -w -K !foo -K fo*

           would cause strip to only keep symbols that start with the letters
           "fo", but to discard the symbol "foo".

       -x
       --discard-all
           Remove non-global symbols.

       -X
       --discard-locals
           Remove compiler-generated local symbols.  (These usually start with
           L or ..)

       --keep-file-symbols
           When stripping a file, perhaps with --strip-debug or
           --strip-unneeded, retain any symbols specifying source file names,
           which would otherwise get stripped.

       --only-keep-debug
           Strip a file, removing contents of any sections that would not be
           stripped by --strip-debug and leaving the debugging sections
           intact.  In ELF files, this preserves all note sections in the
           1.<Run "objcopy --only-keep-debug foo foo.dbg" to>
               create a file containing the debugging info.

           1.<Run "objcopy --strip-debug foo" to create a>
               stripped executable.

           1.<Run "objcopy --add-gnu-debuglink=foo.dbg foo">
               to add a link to the debugging info into the stripped
               executable.

           Note---the choice of ".dbg" as an extension for the debug info file
           is arbitrary.  Also the "--only-keep-debug" step is optional.  You
           could instead do this:

           1.<Link the executable as normal.>
           1.<Copy "foo" to "foo.full">
           1.<Run "strip --strip-debug foo">
           1.<Run "objcopy --add-gnu-debuglink=foo.full foo">

           i.e., the file pointed to by the --add-gnu-debuglink can be the
           full executable.  It does not have to be a file created by the
           --only-keep-debug switch.

           Note---this switch is only intended for use on fully linked files.
           It does not make sense to use it on object files where the
           debugging information may be incomplete.  Besides the gnu_debuglink
           feature currently only supports the presence of one filename
           containing debugging information, not multiple filenames on a one-
           per-object-file basis.

       -V
       --version
           Show the version number for strip.

       -v
       --verbose
           Verbose output: list all object files modified.  In the case of
           archives, strip -v lists all members of the archive.

       @file
           Read command-line options from file.  The options read are inserted
           in place of the original @file option.  If file does not exist, or
           cannot be read, then the option will be treated literally, and not
           removed.

           Options in file are separated by whitespace.  A whitespace
           character may be included in an option by surrounding the entire
           option in either single or double quotes.  Any character (including
           a backslash) may be included by prefixing the character to be
           included with a backslash.  The file may itself contain additional
           @file options; any such options will be processed recursively.

SEE ALSO
       the Info entries for binutils.



binutils-2.22-system              2016-06-02                          STRIP(1)
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