mirror of
https://github.com/openharmony/third_party_elfutils.git
synced 2026-08-27 04:41:15 -04:00
elfcompress: New utility.
Usage: elfcompress [OPTION...] FILE...
Compress or decompress sections in an ELF file.
-f, --force Force compression of section even if it would
become larger
-n, --name=SECTION SECTION name to (de)compress, SECTION is an
extended wildcard pattern (defaults to
'.?(z)debug*')
-o, --output=FILE Place (de)compressed output into FILE
-p, --permissive Relax a few rules to handle slightly broken ELF
files
-q, --quiet Be silent when a section cannot be compressed
-t, --type=TYPE What type of compression to apply. TYPE can be
'none' (decompress), 'zlib' (ELF ZLIB compression,
the default, 'zlib-gabi' is an alias) or
'zlib-gnu' (.zdebug GNU style compression, 'gnu'
is an alias)
-v, --verbose Print a message for each section being
(de)compressed
-?, --help Give this help list
--usage Give a short usage message
-V, --version Print program version
Signed-off-by: Mark Wielaard <mjw@redhat.com>
This commit is contained in:
Mark Wielaard
@@ -1,3 +1,9 @@
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2015-12-16 Mark Wielaard <mjw@redhat.com>
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* elfcompress.c: New file.
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* Makefile.am (bin_PROGRAMS): Add elfcompress.
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(elfcompress_LDADD): New variable.
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2015-12-18 Mark Wielaard <mjw@redhat.com>
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* elflint.c (section_flags_string): Add NEWFLAG COMPRESSED.
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+2
-1
@@ -35,7 +35,7 @@ native_ld = @native_ld@
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base_cpu = @base_cpu@
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bin_PROGRAMS = readelf nm size strip ld elflint findtextrel addr2line \
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elfcmp objdump ranlib strings ar unstrip stack
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elfcmp objdump ranlib strings ar unstrip stack elfcompress
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ld_dsos = libld_elf_i386_pic.a
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@@ -125,6 +125,7 @@ strings_LDADD = $(libelf) $(libeu) $(argp_LDADD)
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ar_LDADD = libar.a $(libelf) $(libeu) $(argp_LDADD)
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unstrip_LDADD = $(libebl) $(libelf) $(libdw) $(libeu) $(argp_LDADD) -ldl
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stack_LDADD = $(libebl) $(libelf) $(libdw) $(libeu) $(argp_LDADD) -ldl $(demanglelib)
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elfcompress_LDADD = $(libebl) $(libelf) $(libdw) $(libeu) $(argp_LDADD)
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ldlex.o: ldscript.c
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ldlex_no_Werror = yes
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+1321
File diff suppressed because it is too large
Load Diff
@@ -1,3 +1,9 @@
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2015-12-16 Mark Wielaard <mjw@redhat.com>
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* run-compress-test.sh: New test.
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* Makefile.am (TESTS): Add run-compress-test.sh.
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(EXTRA_DISTS): Likewise.
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2015-11-26 Mark Wielaard <mjw@redhat.com>
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* zstrptr.c: New file.
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+3
-2
@@ -123,7 +123,8 @@ TESTS = run-arextract.sh run-arsymtest.sh newfile test-nlist \
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run-getsrc-die.sh run-strptr.sh newdata elfstrtab dwfl-proc-attach \
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elfshphehdr run-lfs-symbols.sh run-dwelfgnucompressed.sh \
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run-elfgetchdr.sh \
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run-elfgetzdata.sh run-elfputzdata.sh run-zstrptr.sh
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run-elfgetzdata.sh run-elfputzdata.sh run-zstrptr.sh \
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run-compress-test.sh
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if !BIARCH
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export ELFUTILS_DISABLE_BIARCH = 1
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@@ -320,7 +321,7 @@ EXTRA_DIST = run-arextract.sh run-arsymtest.sh \
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testfile-zgabi32.bz2 testfile-zgabi64.bz2 \
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testfile-zgabi32be.bz2 testfile-zgabi64be.bz2 \
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run-elfgetchdr.sh run-elfgetzdata.sh run-elfputzdata.sh \
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run-zstrptr.sh
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run-zstrptr.sh run-compress-test.sh
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if USE_VALGRIND
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valgrind_cmd='valgrind -q --leak-check=full --error-exitcode=1'
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Executable
+102
@@ -0,0 +1,102 @@
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#! /bin/sh
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# Copyright (C) 2015 Red Hat, Inc.
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# This file is part of elfutils.
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#
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# This file 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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#
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# elfutils is distributed in the hope that it will be useful, but
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# 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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#
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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, see <http://www.gnu.org/licenses/>.
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. $srcdir/test-subr.sh
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# uncompress -> gnucompress -> uncompress -> elfcompress -> uncompress
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testrun_elfcompress_file()
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{
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infile="$1"
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uncompressedfile="${infile}.uncompressed"
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tempfiles "$uncompressedfile"
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echo "uncompress $infile -> $uncompressedfile"
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testrun ${abs_top_builddir}/src/elfcompress -v -t none -o ${uncompressedfile} ${infile}
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testrun ${abs_top_builddir}/src/elflint --gnu-ld ${uncompressedfile}
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SIZE_uncompressed=$(stat -c%s $uncompressedfile)
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gnucompressedfile="${infile}.gnu"
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tempfiles "$gnucompressedfile"
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echo "compress gnu $uncompressedfile -> $gnucompressedfile"
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testrun ${abs_top_builddir}/src/elfcompress -v -t gnu -o ${gnucompressedfile} ${uncompressedfile}
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testrun ${abs_top_builddir}/src/elflint --gnu-ld ${gnucompressedfile}
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SIZE_gnucompressed=$(stat -c%s $gnucompressedfile)
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test $SIZE_gnucompressed -lt $SIZE_uncompressed ||
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{ echo "*** failure $gnucompressedfile not smaller"; exit -1; }
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gnuuncompressedfile="${infile}.gnu.uncompressed"
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tempfiles "$gnuuncompressedfile"
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echo "uncompress $gnucompressedfile -> $gnuuncompressedfile"
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testrun ${abs_top_builddir}/src/elfcompress -v -t none -o ${gnuuncompressedfile} ${gnucompressedfile}
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testrun ${abs_top_builddir}/src/elfcmp ${uncompressedfile} ${gnuuncompressedfile}
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elfcompressedfile="${infile}.gabi"
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tempfiles "$elfcompressedfile"
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echo "compress gabi $uncompressedfile -> $elfcompressedfile"
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testrun ${abs_top_builddir}/src/elfcompress -v -t zlib -o ${elfcompressedfile} ${uncompressedfile}
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testrun ${abs_top_builddir}/src/elflint --gnu-ld ${elfcompressedfile}
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SIZE_elfcompressed=$(stat -c%s $elfcompressedfile)
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test $SIZE_elfcompressed -lt $SIZE_uncompressed ||
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{ echo "*** failure $elfcompressedfile not smaller"; exit -1; }
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elfuncompressedfile="${infile}.gabi.uncompressed"
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tempfiles "$elfuncompressedfile"
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echo "uncompress $elfcompressedfile -> $elfuncompressedfile"
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testrun ${abs_top_builddir}/src/elfcompress -v -t none -o ${elfuncompressedfile} ${elfcompressedfile}
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testrun ${abs_top_builddir}/src/elfcmp ${uncompressedfile} ${elfuncompressedfile}
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}
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testrun_elfcompress()
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{
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testfile="$1"
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testfiles ${testfile}
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testrun_elfcompress_file ${testfile}
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# Merge the string tables to make things a little more interesting.
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mergedfile="${testfile}.merged"
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tempfiles ${mergedfile}
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echo "merging string tables ${testfile} -> ${mergedfile}"
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testrun ${abs_top_builddir}/tests/elfstrmerge -o ${mergedfile} ${testfile}
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testrun_elfcompress_file ${mergedfile}
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}
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# Random ELF32 testfile
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testrun_elfcompress testfile4
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# Random ELF64 testfile
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testrun_elfcompress testfile12
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# Random ELF64BE testfile
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testrun_elfcompress testfileppc64
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# Random ELF32BE testfile
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testrun_elfcompress testfileppc32
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# Already compressed files
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testrun_elfcompress testfile-zgnu64
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testrun_elfcompress testfile-zgnu64be
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testrun_elfcompress testfile-zgabi64
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testrun_elfcompress testfile-zgabi64be
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testrun_elfcompress testfile-zgnu32
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testrun_elfcompress testfile-zgnu32be
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testrun_elfcompress testfile-zgabi32
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testrun_elfcompress testfile-zgabi32be
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exit 0
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