--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/utilities/globalDefinitions_xlc.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2017 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 SHARE_VM_UTILITIES_GLOBALDEFINITIONS_XLC_HPP
+#define SHARE_VM_UTILITIES_GLOBALDEFINITIONS_XLC_HPP
+
+#include "prims/jni.h"
+
+// This file holds compiler-dependent includes,
+// globally used constants & types, class (forward)
+// declarations and a few frequently used utility functions.
+
+#include <ctype.h>
+#include <string.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <wchar.h>
+
+#include <math.h>
+#include <time.h>
+#include <fcntl.h>
+#include <dlfcn.h>
+#include <pthread.h>
+
+#include <limits.h>
+#include <errno.h>
+
+#include <stdint.h>
+
+// Use XLC compiler builtins instead of inline assembler
+#define USE_XLC_BUILTINS
+#ifdef USE_XLC_BUILTINS
+#include <builtins.h>
+  #if __IBMCPP__ < 1000
+  // the funtion prototype for __dcbtst(void *) is missing in XLC V8.0
+  // I could compile a little test, where I provided the prototype.
+  // The generated code was correct there. This is the prototype:
+  // extern "builtin" void __dcbtst (void *);
+  // For now we don't make use of it when compiling with XLC V8.0
+  #else
+  // __IBMCPP__ >= 1000
+  // XLC V10 provides the prototype for __dcbtst (void *);
+  #define USE_XLC_PREFETCH_WRITE_BUILTIN
+  #endif
+#endif // USE_XLC_BUILTINS
+
+// NULL vs NULL_WORD:
+// On Linux NULL is defined as a special type '__null'. Assigning __null to
+// integer variable will cause gcc warning. Use NULL_WORD in places where a
+// pointer is stored as integer value.  On some platforms, sizeof(intptr_t) >
+// sizeof(void*), so here we want something which is integer type, but has the
+// same size as a pointer.
+#ifdef __GNUC__
+  #error XLC and __GNUC__?
+#else
+  #define NULL_WORD  NULL
+#endif
+
+// AIX also needs a 64 bit NULL to work as a null address pointer.
+// Most system includes on AIX would define it as an int 0 if not already defined with one
+// exception: /usr/include/dirent.h will unconditionally redefine NULL to int 0 again.
+// In this case you need to copy the following defines to a position after #include <dirent.h>
+// (see jmv_aix.h).
+#ifdef AIX
+  #ifdef _LP64
+    #undef NULL
+    #define NULL 0L
+  #else
+    #ifndef NULL
+      #define NULL 0
+    #endif
+  #endif
+#endif // AIX
+
+// Compiler-specific primitive types
+// All defs of int (uint16_6 etc) are defined in AIX' /usr/include/stdint.h
+
+// Additional Java basic types
+
+typedef uint8_t  jubyte;
+typedef uint16_t jushort;
+typedef uint32_t juint;
+typedef uint64_t julong;
+
+// checking for nanness
+#ifdef AIX
+inline int g_isnan(float  f) { return isnan(f); }
+inline int g_isnan(double f) { return isnan(f); }
+#else
+#error "missing platform-specific definition here"
+#endif
+
+// Checking for finiteness
+
+inline int g_isfinite(jfloat  f)                 { return finite(f); }
+inline int g_isfinite(jdouble f)                 { return finite(f); }
+
+
+// Wide characters
+
+inline int wcslen(const jchar* x) { return wcslen((const wchar_t*)x); }
+
+
+// Portability macros
+#define PRAGMA_INTERFACE             #pragma interface
+#define PRAGMA_IMPLEMENTATION        #pragma implementation
+#define VALUE_OBJ_CLASS_SPEC
+
+// Formatting.
+#ifdef _LP64
+#define FORMAT64_MODIFIER "l"
+#else // !_LP64
+#define FORMAT64_MODIFIER "ll"
+#endif // _LP64
+
+// Cannot use xlc's offsetof as implementation of hotspot's
+// offset_of(), because xlc warns about applying offsetof() to non-POD
+// object and xlc cannot compile the expression offsetof(DataLayout,
+// _cells[index]) in DataLayout::cell_offset() .  Therefore we define
+// offset_of as it is defined for gcc.
+#define offset_of(klass,field) (size_t)((intx)&(((klass*)16)->field) - 16)
+
+// AIX 5.3 has buggy __thread support. (see JDK-8176442).
+#define USE_LIBRARY_BASED_TLS_ONLY 1
+
+#ifndef USE_LIBRARY_BASED_TLS_ONLY
+#define THREAD_LOCAL_DECL __thread
+#endif
+
+// Inlining support
+#define NOINLINE
+#define ALWAYSINLINE inline __attribute__((always_inline))
+
+#endif // SHARE_VM_UTILITIES_GLOBALDEFINITIONS_XLC_HPP