!35 【轻量级 PR】：add fully supported for riscv64.

From: @liqingqing_1229
Reviewed-by: @hanxinke
Signed-off-by: @hanxinke

binutils.spec

@@ -1,7 +1,7 @@
 Summary: Binary utilities
 Name:    binutils
 Version: 2.34
-Release: 6
+Release: 7
 License: GPLv3+
 URL:     https://sourceware.org/binutils
 
@@ -125,12 +125,12 @@ touch */configure
 
 %build
 CARGS=
-case %{_target_platform} in i?86*|arm*|aarch64*)
+case %{_target_platform} in i?86*|arm*|aarch64*|riscv64*)
   CARGS="$CARGS --enable-64-bit-bfd"
   ;;
 esac
 
-case %{_target_platform} in x86_64*|i?86*|aarch64*)
+case %{_target_platform} in x86_64*|i?86*|aarch64*|riscv64*)
   CARGS="$CARGS --enable-targets=x86_64-pep --enable-relro=yes"
   ;;
 esac
@@ -207,7 +207,7 @@ sed -i -e '/^#include "ansidecl.h"/{p;s~^.*$~#include <bits/wordsize.h>~;}' \
 %endif
 touch -r bfd/bfd-in2.h %{buildroot}%{_prefix}/include/bfd.h
 
-# Generate libbfd.so and libbfd.so
+# Generate libbfd.so and libopcodes.so
 
 %ifarch x86_64
 tee %{buildroot}%{_libdir}/libbfd.so <<EOF
@@ -245,6 +245,24 @@ INPUT ( %{_libdir}/libopcodes.a -lbfd )
 EOF
 %endif
 
+%ifarch riscv64
+tee %{buildroot}%{_libdir}/libbfd.so <<EOF
+/* GNU ld script */
+
+OUTPUT_FORMAT(elf64-littleriscv)
+
+INPUT ( %{_libdir}/libbfd.a -liberty -lz -ldl )
+EOF
+
+tee %{buildroot}%{_libdir}/libopcodes.so <<EOF
+/* GNU ld script */
+
+OUTPUT_FORMAT(elf64-littleriscv)
+
+INPUT ( %{_libdir}/libopcodes.a -lbfd )
+EOF
+%endif
+
 rm -f %{buildroot}%{_infodir}/dir
 rm -rf %{buildroot}%{_prefix}/%{_target_platform}
 
@@ -345,6 +363,11 @@ fi
 %{_infodir}/bfd*info*
 
 %changelog
+* Wed Nov 4 2020 Qingqing Li <liqingqing3@huawei.com> - 2.34-7
+- Type:bugfix
+- ID:NA
+- SUG:fully support for riscv64.
+
 * Tue Nov 3 2020 Qingqing Li <liqingqing3@huawei.com> - 2.34-6
 - Type:bugfix
 - ID:NA