8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization.
Summary: Fixed Implicit NULL check optimization for AIX, where the page at address '0' is only write-protected.
Reviewed-by: kvn
/*
* Copyright (c) 2005, 2006, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 _DEFINES_H
#define _DEFINES_H
#include "java.h"
/*
* This file contains commonly defined constants used only by main.c
* and should not be included by another file.
*/
#ifndef FULL_VERSION
/* make sure the compilation fails */
#error "FULL_VERSION must be defined"
#endif
#if defined(JDK_MAJOR_VERSION) && defined(JDK_MINOR_VERSION)
#define DOT_VERSION JDK_MAJOR_VERSION "." JDK_MINOR_VERSION
#else
/* make sure the compilation fails */
#error "JDK_MAJOR_VERSION and JDK_MINOR_VERSION must be defined"
#endif
#ifdef JAVA_ARGS
static const char* const_progname = "java";
static const char* const_jargs[] = JAVA_ARGS;
/*
* ApplicationHome is prepended to each of these entries; the resulting
* strings are concatenated (separated by PATH_SEPARATOR) and used as the
* value of -cp option to the launcher.
*/
#ifndef APP_CLASSPATH
#define APP_CLASSPATH { "/lib/tools.jar", "/classes" }
#endif /* APP_CLASSPATH */
static const char* const_appclasspath[] = APP_CLASSPATH;
#else /* !JAVA_ARGS */
#ifdef PROGNAME
static const char* const_progname = PROGNAME;
#else
static char* const_progname = NULL;
#endif
static const char** const_jargs = NULL;
static const char** const_appclasspath = NULL;
#endif /* JAVA_ARGS */
#ifdef LAUNCHER_NAME
static const char* const_launcher = LAUNCHER_NAME;
#else /* LAUNCHER_NAME */
static char* const_launcher = NULL;
#endif /* LAUNCHER_NAME */
#ifdef EXPAND_CLASSPATH_WILDCARDS
static const jboolean const_cpwildcard = JNI_TRUE;
#else
static const jboolean const_cpwildcard = JNI_FALSE;
#endif /* EXPAND_CLASSPATH_WILDCARDS */
#if defined(NEVER_ACT_AS_SERVER_CLASS_MACHINE)
static const jint const_ergo_class = NEVER_SERVER_CLASS;
#elif defined(ALWAYS_ACT_AS_SERVER_CLASS_MACHINE)
static const jint const_ergo_class = ALWAYS_SERVER_CLASS;
#else
static const jint const_ergo_class = DEFAULT_POLICY;
#endif /* NEVER_ACT_AS_SERVER_CLASS_MACHINE */
#endif /*_DEFINES_H */