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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=utf-8">
<META NAME="description"
CONTENT="elfutils, libraries and tools for ELF files and DWARF data.">
<META NAME="keywords"
CONTENT="elfutils ELF DWARF libelf libdw libasm stack backtrace">
<LINK HREF="default.css" REL="stylesheet" TYPE="text/css">
<TITLE>The elfutils project</TITLE>
</HEAD>
<BODY>
<H1>ELFUTILS</H1>
<DIV CLASS="content">
<CENTER>
<TABLE BORDER=0 WIDTH="85%" BGCOLOR="#C8C0C8" CELLPADDING=15 CELLSPACING=5>
<TR><TD>
<DIV CLASS="abstract">
<A HREF="http://elfutils.org/">elfutils</A> is a collection of
utilities and libraries to read, create and modify ELF binary files,
find and handle DWARF debug data, symbols, thread state and
stacktraces for processes and core files on GNU/Linux.
</DIV>
</TD></TR>
</TABLE>
</CENTER>
<P>
The current <A HREF="https://sourceware.org/git/?p=elfutils.git;a=summary">elfutils source code</A> can be checked out with:
</P>
<DIV><TT>git clone git://sourceware.org/git/elfutils.git</TT></DIV>
<P>
Please reports bugs at <A HREF="https://sourceware.org/bugzilla/">https://sourceware.org/bugzilla/</A>
</P>
<P>
Project discussion on <A HREF="mailto:elfutils-devel@sourceware.org">elfutils-devel@sourceware.org</A> (<A HREF="https://sourceware.org/ml/elfutils-devel/">archives</A>) or visit us on the <TT>Libera.Chat</TT> irc channel <TT>#elfutils</TT>.
<P>
To subscribe to the elfutils development list send email to
<A HREF="mailto:elfutils-devel-subscribe@sourceware.org">elfutils-devel-subscribe@sourceware.org</A>.
Or use the form at <A HREF="https://sourceware.org/mailman/listinfo/elfutils-devel">https://sourceware.org/mailman/listinfo/elfutils-devel</A>.
</P>
<P>
See the <A HREF="https://sourceware.org/git/?p=elfutils.git;a=blob_plain;f=CONTRIBUTING;hb=HEAD">CONTRIBUTING</A> file for how to propose patches to the code.
</P>
<P>
See the <A HREF="Debuginfod.html">DEBUGINFOD</A> page for information about the new debuginfod client/server.
</P>
<P>Last release: <A HREF="https://sourceware.org/elfutils/ftp/elfutils-latest.tar.bz2">tar.bz2</A> (<A HREF="https://sourceware.org/elfutils/ftp/elfutils-latest.tar.bz2.sig">sig</A>)
release notes:
<a href="https://inbox.sourceware.org/elfutils-devel/CAJDtP-QXj15OOpBxLdU+V1PZKM8YmnsE1eVy-R2R5xbE7Shk5A@mail.gmail.com/T/#u">0.196</a>
<a href="https://inbox.sourceware.org/elfutils-devel/CAJDtP-Qok4ViNzvrr28WgkCCqrFH0iAZStiD8C7nbpDhrPzLWA@mail.gmail.com/T/#u">0.195</a>
<a href="https://inbox.sourceware.org/elfutils-devel/CAJDtP-S0rYAOZQeDZvMtPkQztgK9RboWtYwpqNLCNGNdaSGn-A@mail.gmail.com/T/#u">0.194</a>
<a href="https://inbox.sourceware.org/elfutils-devel/CAJDtP-RjuT13zehLgSvz9TnwQZ1VYPOS=q_kuut5a2g+KLamgw@mail.gmail.com/T/#u">0.193</a>
<a href="https://inbox.sourceware.org/elfutils-devel/CAJDtP-T3+gXqHWp3T0mejWWbPr0_1tHetEXwfB67-o+zz7ShiA@mail.gmail.com/T/#u">0.192</a>
<a href="https://inbox.sourceware.org/elfutils-devel/CAJDtP-SJhJ8cjTpkNpi+F0nzVJ2pZsEai8Ewpp4yJmsO_H5-NA@mail.gmail.com/T/#u">0.191</a>
<a href="https://inbox.sourceware.org/elfutils-devel/09cdf427eee53f49e5dff9c3e3c75ee6420afc80.camel@klomp.org/">0.190</a>
<a href="https://sourceware.org/pipermail/elfutils-devel/2023q1/006023.html">0.189</a>
<a href="https://sourceware.org/pipermail/elfutils-devel/2022q4/005561.html">0.188</a>
<a href="https://sourceware.org/pipermail/elfutils-devel/2022q2/004978.html">0.187</a>
<a href="https://sourceware.org/pipermail/elfutils-devel/2021q4/004346.html">0.186</a>
<a href="https://sourceware.org/pipermail/elfutils-devel/2021q2/003843.html">0.185</a>
<a href="https://sourceware.org/pipermail/elfutils-devel/2021q2/003797.html">0.184</a>
<a href="https://sourceware.org/pipermail/elfutils-devel/2021q1/003486.html">0.183</a>
<a href="https://sourceware.org/pipermail/elfutils-devel/2020q4/003053.html">0.182</a>
<a href="https://sourceware.org/pipermail/elfutils-devel/2020q3/002881.html">0.181</a>
...
</P>
<P>All releases:
<A HREF="ftp://sourceware.org/pub/elfutils/">ftp://sourceware.org/pub/elfutils/</A> or <A HREF="https://sourceware.org/elfutils/ftp/">https://sourceware.org/elfutils/ftp/</A>
</P>
<P>Tests code coverage for <A HREF="https://snapshots.sourceware.org/elfutils/coverage/latest">current git</A>, for the <A HREF="coverage/">last release</A>, <A HREF="coverage-version/">old versions</A> and <A HREF="https://snapshots.sourceware.org/elfutils/coverage/">older git snapshots</A>.</P>
<P>
Included libraries:
</P>
<DL>
<DT>libelf</DT>
<DD><TT>elf32</TT>, <TT>elf64</TT> and <TT>gelf</TT> functions to read,
modify and create ELF files.</DD>
<DT>libdw</DT>
<DD><TT>dwarf</TT>, <TT>dwfl</TT> and <TT>dwelf</TT> functions to read
DWARF, find separate debuginfo, symbols and inspect process state.
</DD>
<DT>libasm</DT>
<DD><TT>asm</TT> and <TT>disasm</TT> functions to assemble and
disassamble instructions (partial support for i686 and BPF
instructions only).</DD>
</DL>
<P>
Included utilities:
</P>
<DL>
<DT>eu-addr2line</DT>
<DD>Locate source files and line information for addresses.</DD>
<DT>eu-ar</DT>
<DD>Create, modify, and extract from archives.</DD>
<DT>eu-elfcmp</DT>
<DD>Compare relevant parts of two ELF files for equality.</DD>
<DT>eu-elfcompress</DT>
<DD>Compress or decompress sections in an ELF file.</DD>
<DT>eu-elflint</DT>
<DD>Pedantic checking of ELF files compliance with gABI/psABI spec.</DD>
<DT>eu-findtextrel</DT>
<DD>Locate source of text relocations in ELF files.</DD>
<DT>eu-make-debug-archive</DT>
<DD>Script to make an offline archive for debugging of ELF binaries and linux kernel modules</DD>
<DT>eu-nm</DT>
<DD>List symbols from ELF files.</DD>
<DT>eu-objdump</DT>
<DD>Show information from ELF files.</DD>
<DT>eu-ranlib</DT>
<DD>Generate an index to speed access to archives.</DD>
<DT>eu-readelf</DT>
<DD>Print information from ELF file in human-readable form.</DD>
<DT>eu-size</DT>
<DD>List section sizes of ELF files.</DD>
<DT>eu-stack</DT>
<DD>Print a stack for each thread in a process or core file.</DD>
<DT>eu-strings</DT>
<DD>Print the strings of printable characters in files.</DD>
<DT>eu-strip</DT>
<DD>Discard symbols and debug data from object files.</DD>
<DT>eu-unstrip</DT>
<DD>Combine stripped files with separate symbols and debug information.</DD>
</DL>
<P>Included backends for machine specific ELF handling:</P>
<DIV CLASS="list">
<!-- % cd backends
% grep 'define BACKEND' *| cut -f2 -d: | sed -e 's,^.*BACKEND,,' -e 's,[ ],,g'| sort | uniq | rev | cut -f2- -d_ | rev
-->
aarch64
alpha
arm
bpf
csky
i386
ia64
m68k
ppc
ppc64
riscv
riscv64
s390
s390x
sh
sparc
sparc64
tilegx
x32
x86_64
</DIV>
<CENTER><HR WIDTH="95%"></CENTER>
<IMG SRC="lgplv3-88x31.png" ALT="[LGPLv3 logo]" ALIGN="left" HSPACE="40em">
<IMG SRC="gplv3-88x31.png" ALT="[GPLv3 logo]" ALIGN="right" HSPACE="40em">
<DIV ALIGN="center">
License. The libraries and backends are dual GPLv2+/LGPLv3+.
The utilities are GPLv3+.
</DIV>
<CENTER><HR WIDTH="95%"></CENTER>
<P>Design notes and extensions supported:</P>
<UL>
<LI>Some design decisions and <A HREF="https://sourceware.org/git/?p=elfutils.git;a=blob_plain;f=NOTES;hb=HEAD">NOTES</A>.</LI>
<LI>List of <A HREF="DwarfExtensions">DwarfExtensions</A> recognized.</LI>
<LI>List of <A HREF="ElflintGNU">ElflintGNU</a> issues recognized.</LI>
<LI><A HREF="OldWikiIndex">OldWikiIndex</A> (outdated) project list.</LI>
</UL>
<CENTER><HR WIDTH="95%"></CENTER>
<DIV ALIGN="center">
Questions?
Send them to <A HREF="mailto:elfutils-devel@sourceware.org">elfutils-devel@sourceware.org</A>
or visit us on the <TT>Libera.Chat</TT> irc channel <TT>#elfutils</TT>.
</DIV>
</DIV>
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