--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/nds32/elf.h	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,81 @@
+/* Definitions of target machine of Andes NDS32 cpu for GNU compiler
+   Copyright (C) 2012-2014 Free Software Foundation, Inc.
+   Contributed by Andes Technology Corporation.
+
+   This file is part of GCC.
+
+   GCC is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published
+   by the Free Software Foundation; either version 3, or (at your
+   option) any later version.
+
+   GCC is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+   License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GCC; see the file COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
+
+
+/* ------------------------------------------------------------------------ */
+
+#define TARGET_LINUX_ABI 0
+
+/* In the configure stage we may use options --enable-default-relax,
+   --enable-Os-default-ifc and --enable-Os-default-ex9.  They effect
+   the default spec of passing --relax, --mifc, and --mex9 to linker.
+   We use NDS32_RELAX_SPEC, NDS32_IFC_SPEC, and NDS32_EX9_SPEC
+   so that we can customize them conveniently.  */
+#define LINK_SPEC \
+  " %{G*}" \
+  " %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
+  " %{shared:-shared}" \
+  NDS32_RELAX_SPEC
+
+#define LIB_SPEC \
+  " -lc -lgloss"
+
+#define LIBGCC_SPEC \
+  " -lgcc"
+
+/* The option -mno-ctor-dtor can disable constructor/destructor feature
+   by applying different crt stuff.  In the convention, crt0.o is the
+   startup file without constructor/destructor;
+   crt1.o, crti.o, crtbegin.o, crtend.o, and crtn.o are the
+   startup files with constructor/destructor.
+   Note that crt0.o, crt1.o, crti.o, and crtn.o are provided
+   by newlib/mculib/glibc/ublic, while crtbegin.o and crtend.o are
+   currently provided by GCC for nds32 target.
+
+   For nds32 target so far:
+   If -mno-ctor-dtor, we are going to link
+   "crt0.o [user objects]".
+   If -mctor-dtor, we are going to link
+   "crt1.o crtbegin1.o [user objects] crtend1.o".
+
+   Note that the TARGET_DEFAULT_CTOR_DTOR would effect the
+   default behavior.  Check gcc/config.gcc for more information.  */
+#ifdef TARGET_DEFAULT_CTOR_DTOR
+  #define STARTFILE_SPEC \
+    " %{!mno-ctor-dtor:crt1.o%s;:crt0.o%s}" \
+    " %{!mno-ctor-dtor:crtbegin1.o%s}" \
+    " %{mcrt-arg:crtarg.o%s}"
+  #define ENDFILE_SPEC \
+    " %{!mno-ctor-dtor:crtend1.o%s}"
+#else
+  #define STARTFILE_SPEC \
+    " %{mctor-dtor|coverage:crt1.o%s;:crt0.o%s}" \
+    " %{mctor-dtor|coverage:crtbegin1.o%s}" \
+    " %{mcrt-arg:crtarg.o%s}"
+  #define ENDFILE_SPEC \
+    " %{mctor-dtor|coverage:crtend1.o%s}"
+#endif
+
+#define STARTFILE_CXX_SPEC \
+  " %{!mno-ctor-dtor:crt1.o%s;:crt0.o%s}" \
+  " %{!mno-ctor-dtor:crtbegin1.o%s}" \
+  " %{mcrt-arg:crtarg.o%s}"
+#define ENDFILE_CXX_SPEC \
+  " %{!mno-ctor-dtor:crtend1.o%s}"