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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");
}
/**
* The static {@link MachineDataInfo} is utilized for high performance
* precompiled size, offset, etc table lookup within generated structures
* using the {@link MachineDataInfo.StaticConfig} index.
*/
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( Platform.OSType.WINDOWS == osType ) {
return StaticConfig.X86_64_WINDOWS;
} else if( Platform.OSType.IOS == osType && Platform.CPUType.ARM64 == cpuType ) {
return StaticConfig.ARM64_IOS;
} 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();
}
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