--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/cpu/ppc/jniTypes_ppc.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2013 SAP SE. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef CPU_PPC_VM_JNITYPES_PPC_HPP
+#define CPU_PPC_VM_JNITYPES_PPC_HPP
+
+#include "memory/allocation.hpp"
+#include "oops/oop.hpp"
+#include "prims/jni.h"
+
+// This file holds platform-dependent routines used to write primitive
+// jni types to the array of arguments passed into JavaCalls::call.
+
+class JNITypes : AllStatic {
+  // These functions write a java primitive type (in native format) to
+  // a java stack slot array to be passed as an argument to
+  // JavaCalls:calls.  I.e., they are functionally 'push' operations
+  // if they have a 'pos' formal parameter.  Note that jlong's and
+  // jdouble's are written _in reverse_ of the order in which they
+  // appear in the interpreter stack.  This is because call stubs (see
+  // stubGenerator_sparc.cpp) reverse the argument list constructed by
+  // JavaCallArguments (see javaCalls.hpp).
+
+ private:
+
+#ifndef PPC64
+#error "ppc32 support currently not implemented!!!"
+#endif // PPC64
+
+ public:
+  // Ints are stored in native format in one JavaCallArgument slot at *to.
+  static inline void put_int(jint  from, intptr_t *to)           { *(jint *)(to +   0  ) =  from; }
+  static inline void put_int(jint  from, intptr_t *to, int& pos) { *(jint *)(to + pos++) =  from; }
+  static inline void put_int(jint *from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = *from; }
+
+  // Longs are stored in native format in one JavaCallArgument slot at
+  // *(to+1).
+  static inline void put_long(jlong  from, intptr_t *to) {
+    *(jlong*) (to + 1) = from;
+  }
+
+  static inline void put_long(jlong  from, intptr_t *to, int& pos) {
+    *(jlong*) (to + 1 + pos) = from;
+    pos += 2;
+  }
+
+  static inline void put_long(jlong *from, intptr_t *to, int& pos) {
+    *(jlong*) (to + 1 + pos) = *from;
+    pos += 2;
+  }
+
+  // Oops are stored in native format in one JavaCallArgument slot at *to.
+  static inline void put_obj(oop  from, intptr_t *to)           { *(oop *)(to +   0  ) =  from; }
+  static inline void put_obj(oop  from, intptr_t *to, int& pos) { *(oop *)(to + pos++) =  from; }
+  static inline void put_obj(oop *from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = *from; }
+
+  // Floats are stored in native format in one JavaCallArgument slot at *to.
+  static inline void put_float(jfloat  from, intptr_t *to)           { *(jfloat *)(to +   0  ) =  from;  }
+  static inline void put_float(jfloat  from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) =  from; }
+  static inline void put_float(jfloat *from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = *from; }
+
+  // Doubles are stored in native word format in one JavaCallArgument
+  // slot at *(to+1).
+  static inline void put_double(jdouble  from, intptr_t *to) {
+    *(jdouble*) (to + 1) = from;
+  }
+
+  static inline void put_double(jdouble  from, intptr_t *to, int& pos) {
+    *(jdouble*) (to + 1 + pos) = from;
+    pos += 2;
+  }
+
+  static inline void put_double(jdouble *from, intptr_t *to, int& pos) {
+    *(jdouble*) (to + 1 + pos) = *from;
+    pos += 2;
+  }
+
+  // The get_xxx routines, on the other hand, actually _do_ fetch
+  // java primitive types from the interpreter stack.
+  // No need to worry about alignment on Intel.
+  static inline jint    get_int   (intptr_t *from) { return *(jint *)    from; }
+  static inline jlong   get_long  (intptr_t *from) { return *(jlong *)  (from + 1); }
+  static inline oop     get_obj   (intptr_t *from) { return *(oop *)     from; }
+  static inline jfloat  get_float (intptr_t *from) { return *(jfloat *)  from; }
+  static inline jdouble get_double(intptr_t *from) { return *(jdouble *)(from + 1); }
+};
+
+#endif // CPU_PPC_VM_JNITYPES_PPC_HPP