diff options
Diffstat (limited to 'src/java/com/jogamp/common/os')
| -rw-r--r-- | src/java/com/jogamp/common/os/MachineDescription.java | 223 | ||||
| -rwxr-xr-x | src/java/com/jogamp/common/os/NativeLibrary.java | 64 | ||||
| -rw-r--r-- | src/java/com/jogamp/common/os/Platform.java | 256 |
3 files changed, 403 insertions, 140 deletions
diff --git a/src/java/com/jogamp/common/os/MachineDescription.java b/src/java/com/jogamp/common/os/MachineDescription.java new file mode 100644 index 0000000..a407187 --- /dev/null +++ b/src/java/com/jogamp/common/os/MachineDescription.java @@ -0,0 +1,223 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * Copyright (c) 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: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution 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. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.jogamp.common.os; + +import com.jogamp.common.util.VersionUtil; + +/** + * For alignment and size see {@link com.jogamp.gluegen} + */ +public class MachineDescription { + final private boolean runtimeValidated; + + final private boolean littleEndian; + + final private int int8SizeInBytes = 1; + final private int int16SizeInBytes = 2; + final private int int32SizeInBytes = 4; + final private int int64SizeInBytes = 8; + + final private int charSizeInBytes; + final private int shortSizeInBytes; + final private int intSizeInBytes; + final private int longSizeInBytes; + final private int floatSizeInBytes; + final private int doubleSizeInBytes; + final private int pointerSizeInBytes; + final private int pageSizeInBytes; + final private boolean is32Bit; + + final private int int8AlignmentInBytes; + final private int int16AlignmentInBytes; + final private int int32AlignmentInBytes; + final private int int64AlignmentInBytes; + final private int charAlignmentInBytes; + final private int shortAlignmentInBytes; + final private int intAlignmentInBytes; + final private int longAlignmentInBytes; + final private int floatAlignmentInBytes; + final private int doubleAlignmentInBytes; + final private int pointerAlignmentInBytes; + + public MachineDescription(boolean runtimeValidated, + + boolean littleEndian, + + int charSizeInBytes, + int shortSizeInBytes, + int intSizeInBytes, + int longSizeInBytes, + int floatSizeInBytes, + int doubleSizeInBytes, + int pointerSizeInBytes, + int pageSizeInBytes, + + int int8AlignmentInBytes, + int int16AlignmentInBytes, + int int32AlignmentInBytes, + int int64AlignmentInBytes, + int charAlignmentInBytes, + int shortAlignmentInBytes, + int intAlignmentInBytes, + int longAlignmentInBytes, + int floatAlignmentInBytes, + int doubleAlignmentInBytes, + int pointerAlignmentInBytes) { + this.runtimeValidated = runtimeValidated; + + this.littleEndian = littleEndian; + + this.charSizeInBytes = charSizeInBytes; + this.shortSizeInBytes = shortSizeInBytes; + this.intSizeInBytes = intSizeInBytes; + this.longSizeInBytes = longSizeInBytes; + this.floatSizeInBytes = floatSizeInBytes; + this.doubleSizeInBytes = doubleSizeInBytes; + this.pointerSizeInBytes = pointerSizeInBytes; + this.pageSizeInBytes = pageSizeInBytes; + this.is32Bit = 4 == pointerSizeInBytes; + + this.int8AlignmentInBytes = int8AlignmentInBytes; + this.int16AlignmentInBytes = int16AlignmentInBytes; + this.int32AlignmentInBytes = int32AlignmentInBytes; + this.int64AlignmentInBytes = int64AlignmentInBytes; + this.charAlignmentInBytes = charAlignmentInBytes; + this.shortAlignmentInBytes = shortAlignmentInBytes; + this.intAlignmentInBytes = intAlignmentInBytes; + this.longAlignmentInBytes = longAlignmentInBytes; + this.floatAlignmentInBytes = floatAlignmentInBytes; + this.doubleAlignmentInBytes = doubleAlignmentInBytes; + this.pointerAlignmentInBytes = pointerAlignmentInBytes; + } + + /** + * @return true if all values are validated at runtime, otherwise false (i.e. for static compilation w/ preset values) + */ + public final boolean isRuntimeValidated() { + return runtimeValidated; + } + + /** + * Returns true only if this system uses little endian byte ordering. + */ + public final boolean isLittleEndian() { + return littleEndian; + } + + /** + * Returns true if this JVM/ARCH is 32bit. + */ + public final boolean is32Bit() { + return is32Bit; + } + + /** + * Returns true if this JVM/ARCH is 64bit. + */ + public final boolean is64Bit() { + return !is32Bit; + } + + public final int charSizeInBytes() { return charSizeInBytes; } + public final int shortSizeInBytes() { return shortSizeInBytes; } + public final int intSizeInBytes() { return intSizeInBytes; } + public final int longSizeInBytes() { return longSizeInBytes; } + public final int int8SizeInBytes() { return int8SizeInBytes; } + public final int int16SizeInBytes() { return int16SizeInBytes; } + public final int int32SizeInBytes() { return int32SizeInBytes; } + public final int int64SizeInBytes() { return int64SizeInBytes; } + public final int floatSizeInBytes() { return floatSizeInBytes; } + public final int doubleSizeInBytes() { return doubleSizeInBytes; } + public final int pointerSizeInBytes() { return pointerSizeInBytes; } + public final int pageSizeInBytes() { return pageSizeInBytes; } + + public final int charAlignmentInBytes() { return charAlignmentInBytes; } + public final int shortAlignmentInBytes() { return shortAlignmentInBytes; } + public final int intAlignmentInBytes() { return intAlignmentInBytes; } + public final int longAlignmentInBytes() { return longAlignmentInBytes; } + public final int int8AlignmentInBytes() { return int8AlignmentInBytes; } + public final int int16AlignmentInBytes() { return int16AlignmentInBytes; } + public final int int32AlignmentInBytes() { return int32AlignmentInBytes; } + public final int int64AlignmentInBytes() { return int64AlignmentInBytes; } + public final int floatAlignmentInBytes() { return floatAlignmentInBytes; } + public final int doubleAlignmentInBytes() { return doubleAlignmentInBytes; } + public final int pointerAlignmentInBytes() { return pointerAlignmentInBytes; } + + /** + * @return number of pages required for size in bytes + */ + public int pageCount(int size) { + return ( size + ( pageSizeInBytes - 1) ) / pageSizeInBytes ; // integer arithmetic + } + + /** + * @return page aligned size in bytes + */ + public int pageAlignedSize(int size) { + return pageCount(size) * pageSizeInBytes; + } + + public StringBuilder toString(StringBuilder sb) { + if(null==sb) { + sb = new StringBuilder(); + } + sb.append("MachineDescription: runtimeValidated ").append(isRuntimeValidated()).append(", littleEndian ").append(isLittleEndian()).append(", 32Bit ").append(is32Bit()).append(", primitive size / alignment:").append(Platform.getNewline()); + sb.append(" char ").append(charSizeInBytes) .append(" / ").append(charAlignmentInBytes); + sb.append(", short ").append(shortSizeInBytes) .append(" / ").append(shortAlignmentInBytes); + sb.append(", int ").append(intSizeInBytes) .append(" / ").append(intAlignmentInBytes); + sb.append(", long ").append(longSizeInBytes) .append(" / ").append(longAlignmentInBytes).append(Platform.getNewline()); + sb.append(" int8 ").append(int8SizeInBytes) .append(" / ").append(int8AlignmentInBytes); + sb.append(", int16 ").append(int16SizeInBytes) .append(" / ").append(int16AlignmentInBytes); + sb.append(", int32 ").append(int32SizeInBytes) .append(" / ").append(int32AlignmentInBytes); + sb.append(", int64 ").append(int64SizeInBytes) .append(" / ").append(int64AlignmentInBytes).append(Platform.getNewline()); + sb.append(" float ").append(floatSizeInBytes) .append(" / ").append(floatAlignmentInBytes); + sb.append(", double ").append(doubleSizeInBytes) .append(" / ").append(doubleAlignmentInBytes); + sb.append(", pointer ").append(pointerSizeInBytes).append(" / ").append(pointerAlignmentInBytes); + sb.append(", page ").append(pageSizeInBytes); + return sb; + } + + @Override + public String toString() { + return toString(null).toString(); + } + +} diff --git a/src/java/com/jogamp/common/os/NativeLibrary.java b/src/java/com/jogamp/common/os/NativeLibrary.java index 558aa3e..30075fd 100755 --- a/src/java/com/jogamp/common/os/NativeLibrary.java +++ b/src/java/com/jogamp/common/os/NativeLibrary.java @@ -59,54 +59,39 @@ import java.util.*; supporting code needed in the generated library. */ public class NativeLibrary implements DynamicLookupHelper { - private static final int WINDOWS = 1; - private static final int UNIX = 2; - private static final int MACOSX = 3; protected static boolean DEBUG; protected static boolean DEBUG_LOOKUP; - private static int platform; private static DynamicLinker dynLink; private static String[] prefixes; private static String[] suffixes; static { - // Determine platform we're running on - AccessController.doPrivileged(new PrivilegedAction() { - public Object run() { - String osName = System.getProperty("os.name").toLowerCase(); - if (osName.startsWith("wind")) { - platform = WINDOWS; - } else if (osName.startsWith("mac os x")) { - platform = MACOSX; - } else { - platform = UNIX; - } - - DEBUG = (System.getProperty("jogamp.debug.NativeLibrary") != null); - DEBUG_LOOKUP = (System.getProperty("jogamp.debug.NativeLibrary.Lookup") != null); - - return null; - } - }); // Instantiate dynamic linker implementation - switch (platform) { + switch (Platform.OS_TYPE) { case WINDOWS: dynLink = new WindowsDynamicLinkerImpl(); prefixes = new String[] { "" }; suffixes = new String[] { ".dll" }; break; - case UNIX: - dynLink = new UnixDynamicLinkerImpl(); - prefixes = new String[] { "lib" }; - suffixes = new String[] { ".so" }; - break; - case MACOSX: + + case MACOS: dynLink = new MacOSXDynamicLinkerImpl(); prefixes = new String[] { "lib", "" }; suffixes = new String[] { ".dylib", ".jnilib", "" }; break; + + /* + case FREEBSD: + case DALVIK: + case SUNOS: + case HPUX: + case OPENKODE: + case LINUX: */ default: - throw new InternalError("Platform not initialized properly"); + dynLink = new UnixDynamicLinkerImpl(); + prefixes = new String[] { "lib" }; + suffixes = new String[] { ".so" }; + break; } } @@ -306,7 +291,7 @@ public class NativeLibrary implements DynamicLookupHelper { addPaths(userDir, baseNames, paths); // Add probable Mac OS X-specific paths - if (platform == MACOSX) { + if (Platform.OS_TYPE == Platform.OSType.MACOS) { // Add historical location addPaths("/Library/Frameworks/" + libName + ".Framework", baseNames, paths); // Add current location @@ -325,15 +310,22 @@ public class NativeLibrary implements DynamicLookupHelper { private static String selectName(String windowsLibName, String unixLibName, String macOSXLibName) { - switch (platform) { + switch (Platform.OS_TYPE) { case WINDOWS: return windowsLibName; - case UNIX: - return unixLibName; - case MACOSX: + + case MACOS: return macOSXLibName; + + /* + case FREEBSD: + case DALVIK: + case SUNOS: + case HPUX: + case OPENKODE: + case LINUX: */ default: - throw new InternalError(); + return unixLibName; } } diff --git a/src/java/com/jogamp/common/os/Platform.java b/src/java/com/jogamp/common/os/Platform.java index 0775f37..680d5be 100644 --- a/src/java/com/jogamp/common/os/Platform.java +++ b/src/java/com/jogamp/common/os/Platform.java @@ -26,18 +26,13 @@ * or implied, of JogAmp Community. */ -/* - * Created on Sunday, March 28 2010 14:43 - */ package com.jogamp.common.os; -import com.jogamp.common.nio.Buffers; -import java.nio.ByteBuffer; -import java.nio.IntBuffer; -import java.nio.ShortBuffer; import java.security.AccessController; import java.security.PrivilegedAction; +import jogamp.common.os.MachineDescriptionRuntime; + /** * Utility class for querying platform specific properties. * @author Michael Bien @@ -46,97 +41,157 @@ import java.security.PrivilegedAction; public class Platform { public static final boolean JAVA_SE; - public static final boolean LITTLE_ENDIAN; public static final String OS; + public static final String OS_lower; public static final String OS_VERSION; public static final String ARCH; + public static final String ARCH_lower; public static final String JAVA_VENDOR; public static final String JAVA_VENDOR_URL; public static final String JAVA_VERSION; public static final String NEWLINE; + public enum OSType { + LINUX(0), FREEBSD(1), DALVIK(2), MACOS(3), SUNOS(4), HPUX(5), WINDOWS(6), OPENKODE(7); + + public final int id; + + OSType(int id){ + this.id = id; + } + } + public static final OSType OS_TYPE; + + public enum CPUType { + X86(0), IA(1), ARM(2), SPARC(3), PA_RISC(4), PPC(5); + + public final int id; + + CPUType(int id){ + this.id = id; + } + } + public static final CPUType CPU_TYPE; + + public enum CPUArch { + X86_32(0), X86_64(1), IA64(2), ARM_32(3), SPARC_32(4), SPARCV9_64(5), PA_RISC2_0(6), PPC(7); + + public final int id; + + CPUArch(int id){ + this.id = id; + } + } + public static final CPUArch CPU_ARCH; + private static final boolean is32Bit; - private static final int pointerSizeInBits; - private static final int pageSize; + private static final MachineDescription machineDescription; + static { // We don't seem to need an AccessController.doPrivileged() block // here as these system properties are visible even to unsigned // applets OS = System.getProperty("os.name"); + OS_lower = OS.toLowerCase(); OS_VERSION = System.getProperty("os.version"); ARCH = System.getProperty("os.arch"); + ARCH_lower = ARCH.toLowerCase(); JAVA_VENDOR = System.getProperty("java.vendor"); JAVA_VENDOR_URL = System.getProperty("java.vendor.url"); JAVA_VERSION = System.getProperty("java.version"); NEWLINE = System.getProperty("line.separator"); JAVA_SE = initIsJavaSE(); - LITTLE_ENDIAN = initByteOrder(); - boolean libsLoaded = true; - try{ - NativeLibrary.ensureNativeLibLoaded(); - }catch (UnsatisfiedLinkError err){ - libsLoaded = false; - } + if( ARCH_lower.equals("x86") || + ARCH_lower.equals("i386") || + ARCH_lower.equals("i486") || + ARCH_lower.equals("i586") || + ARCH_lower.equals("i686") ) { + CPU_ARCH = CPUArch.X86_32; + CPU_TYPE = CPUType.X86; + } else if( ARCH_lower.equals("x86_64") || + ARCH_lower.equals("amd64") ) { + CPU_ARCH = CPUArch.X86_64; + CPU_TYPE = CPUType.X86; + } else if( ARCH_lower.equals("ia64") ) { + CPU_ARCH = CPUArch.IA64; + CPU_TYPE = CPUType.IA; + } else if( ARCH_lower.equals("arm") ) { + CPU_ARCH = CPUArch.ARM_32; + CPU_TYPE = CPUType.ARM; + } else if( ARCH_lower.equals("sparc") ) { + CPU_ARCH = CPUArch.SPARC_32; + CPU_TYPE = CPUType.SPARC; + } else if( ARCH_lower.equals("sparcv9") ) { + CPU_ARCH = CPUArch.SPARCV9_64; + CPU_TYPE = CPUType.SPARC; + } else if( ARCH_lower.equals("pa_risc2.0") ) { + CPU_ARCH = CPUArch.PA_RISC2_0; + CPU_TYPE = CPUType.PA_RISC; + } else if( ARCH_lower.equals("ppc") ) { + CPU_ARCH = CPUArch.PPC; + CPU_TYPE = CPUType.PPC; + } else { + throw new RuntimeException("Please port CPU detection to your platform (" + OS_lower + "/" + ARCH_lower + ")"); + } + OS_TYPE = getOSTypeImpl(); - if(libsLoaded) { - pointerSizeInBits = getPointerSizeInBitsImpl(); - final long pageSizeL = getPageSizeImpl(); - if(Integer.MAX_VALUE < pageSizeL) { - throw new InternalError("PageSize exceeds integer value: " + pageSizeL); - } - pageSize = (int) pageSizeL ; - }else{ - pointerSizeInBits = -1; - pageSize = -1; - } - - is32Bit = initArch(); - + machineDescription = MachineDescriptionRuntime.getMachineDescription(getIs32BitByCPUArchImpl()); + is32Bit = machineDescription.is32Bit(); } private Platform() {} - private static boolean initArch() throws RuntimeException { - if ( 32 == pointerSizeInBits || 64 == pointerSizeInBits ) { - return 32 == pointerSizeInBits; - }else { - String os_lc = OS.toLowerCase(); - String arch_lc = ARCH.toLowerCase(); - - if ((os_lc.startsWith("windows") && arch_lc.equals("x86")) || - (os_lc.startsWith("windows") && arch_lc.equals("arm")) || - (os_lc.startsWith("linux") && arch_lc.equals("i386")) || - (os_lc.startsWith("linux") && arch_lc.equals("x86")) || - (os_lc.startsWith("mac os") && arch_lc.equals("ppc")) || - (os_lc.startsWith("mac os") && arch_lc.equals("i386")) || - (os_lc.startsWith("darwin") && arch_lc.equals("ppc")) || - (os_lc.startsWith("darwin") && arch_lc.equals("i386")) || - (os_lc.startsWith("sunos") && arch_lc.equals("sparc")) || - (os_lc.startsWith("sunos") && arch_lc.equals("x86")) || - (os_lc.startsWith("freebsd") && arch_lc.equals("i386")) || - (os_lc.startsWith("hp-ux") && arch_lc.equals("pa_risc2.0"))) { + private static boolean getIs32BitByCPUArchImpl() throws RuntimeException { + switch( CPU_ARCH ) { + case X86_32: + case ARM_32: + case SPARC_32: + case PPC: return true; - } else if ((os_lc.startsWith("windows") && arch_lc.equals("amd64")) || - (os_lc.startsWith("linux") && arch_lc.equals("amd64")) || - (os_lc.startsWith("linux") && arch_lc.equals("x86_64")) || - (os_lc.startsWith("linux") && arch_lc.equals("ia64")) || - (os_lc.startsWith("mac os") && arch_lc.equals("x86_64")) || - (os_lc.startsWith("darwin") && arch_lc.equals("x86_64")) || - (os_lc.startsWith("sunos") && arch_lc.equals("sparcv9")) || - (os_lc.startsWith("sunos") && arch_lc.equals("amd64"))) { + case X86_64: + case IA64: + case SPARCV9_64: + case PA_RISC2_0: return false; - }else{ - throw new RuntimeException("Please port CPU detection (32/64 bit) to your platform (" + os_lc + "/" + arch_lc + ")"); - } + default: + throw new RuntimeException("Please port CPU detection (32/64 bit) to your platform (" + Platform.OS_lower + "/" + Platform.ARCH_lower + "("+Platform.CPU_ARCH+"))"); } } - + + private static OSType getOSTypeImpl() throws RuntimeException { + if ( OS_lower.startsWith("linux") ) { + return OSType.LINUX; + } + if ( OS_lower.startsWith("freebsd") ) { + return OSType.FREEBSD; + } + if ( OS_lower.startsWith("dalvik") ) { + return OSType.DALVIK; + } + if ( OS_lower.startsWith("mac os x") || + OS_lower.startsWith("darwin") ) { + return OSType.MACOS; + } + if ( OS_lower.startsWith("sunos") ) { + return OSType.SUNOS; + } + if ( OS_lower.startsWith("hp-ux") ) { + return OSType.HPUX; + } + if ( OS_lower.startsWith("windows") ) { + return OSType.WINDOWS; + } + if ( OS_lower.startsWith("kd") ) { + return OSType.OPENKODE; + } + throw new RuntimeException("Please port OS detection to your platform (" + OS_lower + "/" + ARCH_lower + ")"); + } + private static boolean initIsJavaSE() { - // the fast path, check property Java SE instead of traversing through the ClassLoader String java_runtime_name = (String) AccessController.doPrivileged(new PrivilegedAction() { public Object run() { @@ -159,18 +214,6 @@ public class Platform { return false; } - private static boolean initByteOrder() { - ByteBuffer tst_b = Buffers.newDirectByteBuffer(Buffers.SIZEOF_INT); // 32bit in native order - IntBuffer tst_i = tst_b.asIntBuffer(); - ShortBuffer tst_s = tst_b.asShortBuffer(); - tst_i.put(0, 0x0A0B0C0D); - return 0x0C0D == tst_s.get(0); - } - - private static native int getPointerSizeInBitsImpl(); - private static native long getPageSizeImpl(); - - /** * Returns true only if this program is running on the Java Standard Edition. */ @@ -179,13 +222,6 @@ public class Platform { } /** - * Returns true only if this system uses little endian byte ordering. - */ - public static boolean isLittleEndian() { - return LITTLE_ENDIAN; - } - - /** * Returns the OS name. */ public static String getOS() { @@ -208,6 +244,27 @@ public class Platform { } /** + * Returns the OS type. + */ + public static OSType getOSType() { + return OS_TYPE; + } + + /** + * Returns the CPU type. + */ + public static CPUType getCPUType() { + return CPU_TYPE; + } + + /** + * Returns the CPU architecture. + */ + public static CPUArch getCPUArch() { + return CPU_ARCH; + } + + /** * Returns the JAVA. */ public static String getJavaVendor() { @@ -236,37 +293,28 @@ public class Platform { } /** - * Returns true if this JVM is a 32bit JVM. + * Returns true if this JVM/ARCH is 32bit. + * <p>Shortcut to {@link #getMachineDescription()}.{@link MachineDescription#is32Bit() is32Bit()}</p> */ public static boolean is32Bit() { - return is32Bit; + // return Platform.machineDescription.is32Bit(); + return Platform.is32Bit; // used very often } /** - * Returns true if this JVM is a 64bit JVM. + * Returns true if this JVM/ARCH is 64bit. + * <p>Shortcut to {@link #getMachineDescription()}.{@link MachineDescription#is32Bit() is64Bit()}</p> */ public static boolean is64Bit() { - return !is32Bit; - } - - public static int getPointerSizeInBits() { - return pointerSizeInBits; + // return Platform.machineDescription.is64Bit(); + return !Platform.is32Bit; // used very often } - public static int getPointerSizeInBytes() { - return pointerSizeInBits/8; - } - - public static int getPageSize() { - return pageSize; - } - - public static int getPageNumber(int size) { - return ( size + ( pageSize - 1) ) / pageSize ; // integer arithmetic + /** + * Returns the MachineDescription of the running machine. + */ + public static MachineDescription getMachineDescription() { + return machineDescription; } - - public static int getPageAlignedSize(int size) { - return getPageNumber(size) * pageSize; - } } |