diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e24af4944ec..6e7b7cc5d6d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2019-11-14  Doug Rupp  <rupp@adacore.com>
+	    Olivier Hainque  <hainque@adacore.com>
+	    Jerome Lambourg  <lambourg@adacore.com>
+
+	* config.gcc: Handle aarch64*-wrs-vxworks7*.
+	* config/aarch64/aarch64-vxworks.h: New file.
+	* config/aarch64/t-aarch64-vxworks: New file.
+
 2019-11-06  Jerome Lambourg  <lambourg@adacore.com>
 	    Olivier Hainque  <hainque@adacore.com>
 
diff --git a/gcc/config.gcc b/gcc/config.gcc
index aa9a79c08de..ea45b44a212 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1076,6 +1076,11 @@ aarch64*-*-linux*)
 	done
 	TM_MULTILIB_CONFIG=`echo $TM_MULTILIB_CONFIG | sed 's/^,//'`
 	;;
+aarch64*-wrs-vxworks*)
+        tm_file="${tm_file} elfos.h aarch64/aarch64-elf.h"
+        tm_file="${tm_file} vx-common.h vxworks.h aarch64/aarch64-vxworks.h"
+        tmake_file="${tmake_file} aarch64/t-aarch64 aarch64/t-aarch64-vxworks"
+        ;;
 alpha*-*-linux*)
 	tm_file="elfos.h ${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h glibc-stdint.h"
 	tmake_file="${tmake_file} alpha/t-linux alpha/t-alpha"
diff --git a/gcc/config/aarch64/aarch64-vxworks.h b/gcc/config/aarch64/aarch64-vxworks.h
new file mode 100644
index 00000000000..de3b3c865a2
--- /dev/null
+++ b/gcc/config/aarch64/aarch64-vxworks.h
@@ -0,0 +1,71 @@
+/* Definitions of target machine for GNU compiler.  Vxworks Aarch 64bit
+   version.
+   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Contributed by Douglas B Rupp
+
+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/>.  */
+
+#undef SUBTARGET_OVERRIDE_OPTIONS
+#define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS
+
+#undef LINK_SPEC
+#define LINK_SPEC VXWORKS_LINK_SPEC
+
+#undef LIB_SPEC
+#define LIB_SPEC VXWORKS_LIB_SPEC
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC
+
+#undef CPP_SPEC
+#define CPP_SPEC VXWORKS_ADDITIONAL_CPP_SPEC
+
+#undef CC1_SPEC
+#define CC1_SPEC VXWORKS_CC1_SPEC
+
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER
+
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()	  \
+  do {					  \
+    if (TARGET_BIG_END)                         \
+      builtin_define ("ARMEB");                 \
+    else                                        \
+      builtin_define ("ARMEL");                 \
+    builtin_define ("_VX_CPU=ARMARCH8A"); \
+    VXWORKS_OS_CPP_BUILTINS ();		  \
+  } while (0)
+
+/* Static stack checking is supported.  */
+#define STACK_CHECK_STATIC_BUILTIN 1
+
+#undef STACK_CHECK_PROTECT
+#define STACK_CHECK_PROTECT 16384
+
+/* The VxWorks environment on aarch64 is llvm-based only, uses R18 as
+   a TCB pointer.  */
+
+#undef VXWORKS_PERSONALITY
+#define VXWORKS_PERSONALITY "llvm"
+
+#undef  TARGET_OS_USES_R18
+#define TARGET_OS_USES_R18 1
+
diff --git a/gcc/config/aarch64/t-aarch64-vxworks b/gcc/config/aarch64/t-aarch64-vxworks
new file mode 100644
index 00000000000..33c25101434
--- /dev/null
+++ b/gcc/config/aarch64/t-aarch64-vxworks
@@ -0,0 +1,22 @@
+# Multilibs for VxWorks.
+#
+# Copyright (C) 2018 Free Software Foundation, Inc.
+#
+# 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/>.
+
+MULTILIB_OPTIONS += mrtp
+MULTILIB_DIRNAMES += mrtp
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index ccd72ea417d..dfb30a6571f 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-11-14  Doug Rupp  <rupp@adacore.com>
+	    Olivier Hainque  <hainque@adacore.com>
+
+	* config.host: Handle aarch64*-wrs-vxworks7*.
+
 2019-11-12  Olivier Hainque  <hainque@adacore.com>
 
 	* config/t-gthr-vxworksae: New file, add all the gthr-vxworks
diff --git a/libgcc/config.host b/libgcc/config.host
index 49503030446..1c8d63be837 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -392,6 +392,12 @@ aarch64*-*-linux*)
 	tmake_file="${tmake_file} ${cpu_type}/t-lse t-slibgcc-libgcc"
 	tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
 	;;
+aarch64*-*-vxworks7*)
+	extra_parts="$extra_parts crtfastmath.o"
+	md_unwind_header=aarch64/aarch64-unwind.h
+	tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
+	tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
+	;;
 alpha*-*-linux*)
 	tmake_file="${tmake_file} alpha/t-alpha alpha/t-ieee t-crtfm alpha/t-linux"
 	extra_parts="$extra_parts crtfastmath.o"