ART: Throw StackOverflowError in native code

Initialize stack-overflow errors in native code to be able to reduce
the preserved area size of the stack.

Includes a refactoring away from constexpr in instruction_set.h to allow
for easy changing of the values.

Change-Id: I117cc8485f43da5f0a470f0f5e5b3dc3b5a06246
diff --git a/test/018-stack-overflow/run b/test/018-stack-overflow/run
new file mode 100755
index 0000000..1a71a1a
--- /dev/null
+++ b/test/018-stack-overflow/run
@@ -0,0 +1,23 @@
+#!/bin/bash
+#
+# Copyright (C) 2014 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Run normal. This will be the debug build.
+echo "libartd run."
+${RUN} "${@}"
+
+# Run non-debug.
+echo "libart run."
+${RUN} "${@/#libartd.so/libart.so}"