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-rw-r--r--src/java/jogamp/common/os/MachineDataInfoRuntime.java178
1 files changed, 178 insertions, 0 deletions
diff --git a/src/java/jogamp/common/os/MachineDataInfoRuntime.java b/src/java/jogamp/common/os/MachineDataInfoRuntime.java
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+++ b/src/java/jogamp/common/os/MachineDataInfoRuntime.java
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+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package jogamp.common.os;
+
+import com.jogamp.common.os.MachineDataInfo;
+import com.jogamp.common.os.Platform;
+import com.jogamp.common.os.MachineDataInfo.StaticConfig;
+
+/**
+ * Runtime operations of {@link MachineDataInfo}.
+ */
+public class MachineDataInfoRuntime {
+
+ static volatile boolean initialized = false;
+ static volatile MachineDataInfo runtimeMD = null;
+ static volatile MachineDataInfo.StaticConfig staticMD = null;
+
+ public static void initialize() {
+ if( !initialized ) {
+ synchronized(MachineDataInfo.class) { // volatile dbl-checked-locking OK
+ if( !initialized ) {
+ MachineDataInfo.StaticConfig.validateUniqueMachineDataInfo();
+
+ final MachineDataInfo runtimeMD = getRuntimeImpl();
+ final MachineDataInfo.StaticConfig staticMD = MachineDataInfo.StaticConfig.findCompatible(runtimeMD);
+ if( null == staticMD ) {
+ throw new RuntimeException("No compatible MachineDataInfo.StaticConfig for runtime:"+PlatformPropsImpl.NEWLINE+runtimeMD);
+ }
+ if( !staticMD.md.compatible(runtimeMD) ) {
+ throw new RuntimeException("Incompatible MachineDataInfo:"+PlatformPropsImpl.NEWLINE+
+ " Static "+staticMD+PlatformPropsImpl.NEWLINE+
+ " Runtime "+runtimeMD);
+ }
+ MachineDataInfoRuntime.runtimeMD = runtimeMD;
+ MachineDataInfoRuntime.staticMD = staticMD;
+ initialized=true;
+ if( PlatformPropsImpl.DEBUG ) {
+ System.err.println("MachineDataInfoRuntime.initialize():"+PlatformPropsImpl.NEWLINE+
+ " Static "+staticMD+PlatformPropsImpl.NEWLINE+
+ " Runtime "+runtimeMD);
+ }
+ return;
+ }
+ }
+ }
+ throw new InternalError("Already initialized");
+ }
+ public static MachineDataInfo.StaticConfig getStatic() {
+ if(!initialized) {
+ synchronized(MachineDataInfo.class) { // volatile dbl-checked-locking OK
+ if(!initialized) {
+ throw new InternalError("Not set");
+ }
+ }
+ }
+ return staticMD;
+ }
+ public static MachineDataInfo getRuntime() {
+ if(!initialized) {
+ synchronized(MachineDataInfo.class) { // volatile dbl-checked-locking OK
+ if(!initialized) {
+ throw new InternalError("Not set");
+ }
+ }
+ }
+ return runtimeMD;
+ }
+
+ public static MachineDataInfo.StaticConfig guessStaticMachineDataInfo(final Platform.OSType osType, final Platform.CPUType cpuType) {
+ if( cpuType.is32Bit ) {
+ if( Platform.CPUFamily.ARM == cpuType.family ||
+ Platform.CPUType.MIPS_32 == cpuType ) {
+ return StaticConfig.ARM_MIPS_32;
+ } else if( Platform.OSType.WINDOWS == osType ) {
+ return StaticConfig.X86_32_WINDOWS;
+ } else if( Platform.OSType.MACOS == osType ) {
+ return StaticConfig.X86_32_MACOS;
+ } else if ( Platform.OSType.SUNOS == osType &&
+ Platform.CPUType.SPARC_32 == cpuType ) {
+ return StaticConfig.SPARC_32_SUNOS;
+ } else if ( Platform.CPUType.PPC == cpuType ) {
+ return StaticConfig.PPC_32_UNIX;
+ } else {
+ return StaticConfig.X86_32_UNIX;
+ }
+ } else {
+ if( osType == Platform.OSType.WINDOWS ) {
+ return StaticConfig.X86_64_WINDOWS;
+ } else {
+ // for all 64bit unix types (x86_64, aarch64, sparcv9, ..)
+ return StaticConfig.LP64_UNIX;
+ }
+ }
+ }
+
+ private static MachineDataInfo getRuntimeImpl() {
+ try {
+ Platform.initSingleton(); // loads native gluegen-rt library
+ } catch (final UnsatisfiedLinkError err) {
+ return null;
+ }
+
+ final int pointerSizeInBytes = getPointerSizeInBytesImpl();
+ switch(pointerSizeInBytes) {
+ case 4:
+ case 8:
+ break;
+ default:
+ throw new RuntimeException("Unsupported pointer size "+pointerSizeInBytes+"bytes, please implement.");
+ }
+
+ final long pageSizeL = getPageSizeInBytesImpl();
+ if(Integer.MAX_VALUE < pageSizeL) {
+ throw new InternalError("PageSize exceeds integer value: " + pageSizeL);
+ }
+
+ // size: int, long, float, double, pointer, pageSize
+ // alignment: int8, int16, int32, int64, int, long, float, double, pointer
+ return new MachineDataInfo(
+ true /* runtime validated */,
+
+ getSizeOfIntImpl(), getSizeOfLongImpl(),
+ getSizeOfFloatImpl(), getSizeOfDoubleImpl(), getSizeOfLongDoubleImpl(),
+ pointerSizeInBytes, (int)pageSizeL,
+
+ getAlignmentInt8Impl(), getAlignmentInt16Impl(), getAlignmentInt32Impl(), getAlignmentInt64Impl(),
+ getAlignmentIntImpl(), getAlignmentLongImpl(),
+ getAlignmentFloatImpl(), getAlignmentDoubleImpl(), getAlignmentLongDoubleImpl(),
+ getAlignmentPointerImpl());
+ }
+
+ private static native int getPointerSizeInBytesImpl();
+ private static native long getPageSizeInBytesImpl();
+
+ private static native int getAlignmentInt8Impl();
+ private static native int getAlignmentInt16Impl();
+ private static native int getAlignmentInt32Impl();
+ private static native int getAlignmentInt64Impl();
+ private static native int getAlignmentIntImpl();
+ private static native int getAlignmentLongImpl();
+ private static native int getAlignmentPointerImpl();
+ private static native int getAlignmentFloatImpl();
+ private static native int getAlignmentDoubleImpl();
+ private static native int getAlignmentLongDoubleImpl();
+ private static native int getSizeOfIntImpl();
+ private static native int getSizeOfLongImpl();
+ private static native int getSizeOfPointerImpl();
+ private static native int getSizeOfFloatImpl();
+ private static native int getSizeOfDoubleImpl();
+ private static native int getSizeOfLongDoubleImpl();
+}
+