b54d7a9715
Highlights: - Make sure that only TLS sections are sorted into TLS segment. - Fixed multiple errors in "Section to Segment mapping". - Man page updates - ar improvements - elfcopy: avoid filter_reloc uninitialized variable for rela - elfcopy: avoid stripping relocations from static binaries - readelf: avoid printing directory in front of absolute path - readelf: add NT_FREEBSD_FEATURE_CTL FreeBSD note type - test improvements NOTES: Some of these changes originated in FreeBSD and simply reduce diffs between contrib and vendor. ELF Tool Chain ar is not (currently) used in FreeBSD, and there are improvements in both FreeBSD and ELF Tool Chain ar that are not in the other. Sponsored by: The FreeBSD Foundation
133 lines
4.4 KiB
Groff
133 lines
4.4 KiB
Groff
.\" Copyright (c) 2011 Joseph Koshy. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY JOSEPH KOSHY ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL JOSEPH KOSHY BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id: strip.1 3642 2018-10-14 14:24:28Z jkoshy $
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.\"
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.Dd September 17, 2011
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.Dt STRIP 1
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.Os
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.Sh NAME
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.Nm strip
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.Nd discard information from ELF objects
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.Sh SYNOPSIS
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.Nm
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.Op Fl d | Fl g | Fl S | Fl -strip-debug
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.Op Fl h | Fl -help
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.Op Fl -only-keep-debug
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.Op Fl o Ar outputfile | Fl -output-file= Ns Ar outputfile
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.Op Fl p | Fl -preserve-dates
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.Op Fl s | Fl -strip-all
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.Op Fl -strip-unneeded
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.Op Fl w | Fl -wildcard
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.Op Fl x | Fl -discard-all
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.Op Fl I Ar format | Fl -input-target= Ns Ar format
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.Op Fl K Ar symbol | Fl -keep-symbol= Ns Ar symbol
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.Op Fl N Ar symbol | Fl -strip-symbol= Ns Ar symbol
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.Op Fl O Ar format | Fl -output-target= Ns Ar format
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.Op Fl R Ar sectionname | Fl -remove-section= Ns Ar sectionname
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.Op Fl V | Fl -version
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.Op Fl X | Fl -discard-locals
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.Ar
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.Sh DESCRIPTION
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The
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.Nm
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utility is used to discard information from ELF objects.
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.Pp
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The
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.Nm
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utility supports the following options:
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.Bl -tag -width indent
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.It Fl d | Fl g | Fl S | Fl -strip-debug
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Remove debugging symbols only.
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.It Fl h | Fl -help
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Print a help message and exit.
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.It Fl -only-keep-debug
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Remove all content except that which would be used for debugging.
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.It Fl o Ar outputfile | Fl -output-file= Ns Ar outputfile
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Write the stripped object to file
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.Ar outputfile .
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The default behaviour is to modify objects in place.
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.It Fl p | Fl -preserve-dates
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Preserve the object's access and modification times.
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.It Fl s | Fl -strip-all
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Remove all symbols.
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.It Fl -strip-unneeded
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Remove all symbols not needed for further relocation processing.
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.It Fl w | Fl -wildcard
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Use shell-style patterns to name symbols.
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The following meta-characters are recognized in patterns:
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.Bl -tag -width "...." -compact
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.It Li !
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If this is the first character of the pattern, invert the sense of the
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pattern match.
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.It Li *
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Matches any string of characters in a symbol name.
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.It Li ?
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Matches zero or one character in a symbol name.
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.It Li [
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Mark the start of a character class.
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.It Li \e
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Remove the special meaning of the next character in the pattern.
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.It Li ]
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Mark the end of a character class.
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.El
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.It Fl x | Fl -discard-all
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Discard all non-global symbols.
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.It Fl I Ar format | Fl -input-target= Ns Ar format
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These options are accepted, but are ignored.
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.It Fl K Ar symbol | Fl -keep-symbol= Ns Ar symbol
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Keep the symbol
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.Ar symbol
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even if it would otherwise be stripped.
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This option may be specified multiple times.
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.It Fl N Ar symbol | Fl -strip-symbol= Ns Ar symbol
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Remove the symbol
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.Ar symbol
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even if it would otherwise have been kept.
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This option may be specified multiple times.
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.It Fl O Ar format | Fl -output-target= Ns Ar format
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Set the output file format to
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.Ar format .
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For the full list of supported formats, please see the documentation
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for function
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.Xr elftc_bfd_find_target 3 .
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.It Fl R Ar sectionname | Fl -remove-section= Ns Ar sectionname
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Remove the section named by the argument
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.Ar sectionname .
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This option may be specified multiple times.
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.It Fl V | Fl -version
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Print a version identifier and exit.
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.It Fl X | Fl -discard-locals
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Remove compiler-generated local symbols.
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.El
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.Sh DIAGNOSTICS
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.Ex -std
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.Sh SEE ALSO
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.Xr ar 1 ,
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.Xr elfcopy 1 ,
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.Xr ld 1 ,
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.Xr mcs 1 ,
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.Xr elf 3 ,
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.Xr elftc_bfd_find_target 3 ,
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.Xr fnmatch 3
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