diff --git a/libdwarf-20201020.tar.gz b/libdwarf-20201020.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..a3cdf3aec8455db4075569a2290c76d39d00c206
Binary files /dev/null and b/libdwarf-20201020.tar.gz differ
diff --git a/libdwarf.spec b/libdwarf.spec
index d679d5022d362227934bcedf11649f00dae5f9d9..bc12884aed9ab4886619d03e50d7991f06183a8d 100644
--- a/libdwarf.spec
+++ b/libdwarf.spec
@@ -1,5 +1,5 @@
 Name:          libdwarf
-Version:       20200114
+Version:       20201020
 Release:       1
 Summary:       Library to access DWARF debugging information
 License:       LGPLv2
@@ -72,6 +72,9 @@ LD_LIBRARY_PATH=$PWD/libdwarf/.libs %__make check
 %{_mandir}/man1/dwarfdump.1.gz
 
 %changelog
+* Tue Nov 10 2020 SimpleUpdate Robot <tc@openeuler.org> - 20201020-1
+- Upgrade to version 20201020
+
 * Fri Jun 21 2020 hanhui<hanhui15@huawei.com> - 20200114
 - Mainline branch update to 20200114
 
diff --git a/libdwarf.spec.old b/libdwarf.spec.old
new file mode 100644
index 0000000000000000000000000000000000000000..d679d5022d362227934bcedf11649f00dae5f9d9
--- /dev/null
+++ b/libdwarf.spec.old
@@ -0,0 +1,82 @@
+Name:          libdwarf
+Version:       20200114
+Release:       1
+Summary:       Library to access DWARF debugging information
+License:       LGPLv2
+URL:           http://www.prevanders.net/dwarf.html
+Source0:       http://www.prevanders.net/%{name}-%{version}.tar.gz
+BuildRequires: gcc binutils-devel elfutils-libelf-devel dos2unix
+
+%description
+Libdwarf is a library of functions to provide read/write DWARF
+debugging records.
+
+%package devel
+Summary:       Library and header files of libdwarf
+Requires:      %{name} = %{version}-%{release}
+Provides:      libdwarf-static = %{version}-%{release}
+Obsoletes:     libdwarf-static < %{version}-%{release}
+
+%description devel
+Libdwarf-devel provides libraries and header files for libdwarf.
+
+%package tools
+Summary:       Tools to access the DWARF debugging file format
+Requires:      %{name} = %{version}-%{release}
+
+%description tools
+Libdwarf-tools contains dwarfdump, a tool to access DWARF debug information.
+
+%package_help
+
+%prep
+%autosetup -n %{name}-%{version} -p1
+
+%build
+%configure --enable-shared
+sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
+sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
+%make_build
+
+%install
+%make_install
+install -d %{buildroot}%{_includedir}/libdwarf
+mv %{buildroot}%{_includedir}/*.h %{buildroot}%{_includedir}/libdwarf
+
+%delete_la
+
+%check
+LD_LIBRARY_PATH=$PWD/libdwarf/.libs %__make check
+
+%files
+%defattr(-,root,root)
+%license libdwarf/{COPYING,LIBDWARFCOPYRIGHT,LGPL.txt}
+%{_libdir}/libdwarf.so.*
+%exclude %{_datadir}/libdwarf
+
+%files devel
+%defattr(-,root,root)
+%{_includedir}/libdwarf
+%{_libdir}/{libdwarf.so,libdwarf.a}
+
+%files tools
+%defattr(-,root,root)
+%doc dwarfdump/{README,ChangeLog}
+%license dwarfdump/{COPYING,DWARFDUMPCOPYRIGHT,GPL.txt}
+%{_bindir}/dwarfdump
+%{_datadir}/dwarfdump/dwarfdump.conf
+
+%files help
+%defattr(-,root,root)
+%doc libdwarf/{ChangeLog,README,*.pdf}
+%{_mandir}/man1/dwarfdump.1.gz
+
+%changelog
+* Fri Jun 21 2020 hanhui<hanhui15@huawei.com> - 20200114
+- Mainline branch update to 20200114
+
+* Tue Apr 21 2020 songnannan <songnannan2@huawei.com> - 20200114
+- update to 20200114
+
+* Tue Nov 05 2019 yanzhihua <yanzhihua4@huawei.com> - 20180809-2
+- Package init