diff options
Diffstat (limited to 'src/java/com/jogamp/common/os')
8 files changed, 472 insertions, 37 deletions
diff --git a/src/java/com/jogamp/common/os/DynamicLibraryBundle.java b/src/java/com/jogamp/common/os/DynamicLibraryBundle.java new file mode 100755 index 0000000..6c00afe --- /dev/null +++ b/src/java/com/jogamp/common/os/DynamicLibraryBundle.java @@ -0,0 +1,325 @@ +/* + * Copyright (c) 2010, Sven Gothel + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Sven Gothel nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 Sven Gothel 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. + */ + +package com.jogamp.common.os; + +import java.util.*; + +import com.jogamp.common.jvm.JNILibLoaderBase; + +/** + * Provides bundling of:<br> + * <ul> + * <li>The to-be-glued native library, eg OpenGL32.dll. From hereon this is referred as the Tool.</li> + * <li>The JNI glue-code native library, eg jogl_desktop.dll. From heron this is referred as the Glue</li> + * </ul><br> + * An instance provides a complete {@link com.jogamp.common.os.DynamicLookupHelper} + * to {@link com.jogamp.gluegen.runtime.ProcAddressTable#reset(com.jogamp.common.os.DynamicLookupHelper lookup)} + * the {@link com.jogamp.gluegen.runtime.ProcAddressTable}.<br> + * At construction, it loads the Tool native library, loads Glue native library via + * {@link com.jogamp.common.os.DynamicLibraryBundleInfo#loadJNILibrary()} + * and resolves the optional Tool's <pre>GetProcAddress</pre> using {@link com.jogamp.common.os.DynamicLibraryBundleInfo#getToolGetProcAddressFuncNameList()}. + */ +public class DynamicLibraryBundle implements DynamicLookupHelper { + protected static final boolean DEBUG = NativeLibrary.DEBUG; + protected static final boolean DEBUG_LOOKUP = NativeLibrary.DEBUG_LOOKUP; + + private DynamicLibraryBundleInfo info; + + private List/*<List<String>>*/ toolLibNames; + private boolean[] toolLibLoaded; + private int toolLibLoadedNumber; + protected List/*<NativeLibrary>*/ nativeLibraries; + + private List/*<String>*/ glueLibNames; + private boolean[] glueLibLoaded; + private int glueLibLoadedNumber; + + private long toolGetProcAddressHandle; + private HashSet toolGetProcAddressFuncNameSet; + private List toolGetProcAddressFuncNameList; + + public DynamicLibraryBundle(DynamicLibraryBundleInfo info) { + if(null==info) { + throw new RuntimeException("Null DynamicLibraryBundleInfo"); + } + this.info = info; + if(DEBUG) { + System.out.println("DynamicLibraryBundle.init start with: "+info.getClass().getName()); + } + nativeLibraries = new ArrayList(); + toolLibNames = info.getToolLibNames(); + glueLibNames = info.getGlueLibNames(); + loadLibraries(); + toolGetProcAddressFuncNameList = info.getToolGetProcAddressFuncNameList(); + if(null!=toolGetProcAddressFuncNameList) { + toolGetProcAddressFuncNameSet = new HashSet(toolGetProcAddressFuncNameList); + toolGetProcAddressHandle = getToolGetProcAddressHandle(); + } else { + toolGetProcAddressFuncNameSet = new HashSet(); + toolGetProcAddressHandle = 0; + } + if(DEBUG) { + System.out.println("DynamicLibraryBundle.init Summary: "+info.getClass().getName()); + System.out.println(" toolGetProcAddressFuncNameList: "+toolGetProcAddressFuncNameList); + System.out.println(" Tool Lib Names : "+toolLibNames); + System.out.println(" Tool Lib Loaded: "+getToolLibLoadedNumber()+"/"+getToolLibNumber()+", complete "+isToolLibComplete()); + System.out.println(" Glue Lib Names : "+glueLibNames); + System.out.println(" Glue Lib Loaded: "+getGlueLibLoadedNumber()+"/"+getGlueLibNumber()+", complete "+isGlueLibComplete()); + System.out.println(" All Complete: "+isLibComplete()); + } + } + + public final boolean isLibComplete() { + return isToolLibComplete() && isGlueLibComplete() ; + } + + public final int getToolLibNumber() { + return toolLibNames.size(); + } + + public final int getToolLibLoadedNumber() { + return toolLibLoadedNumber; + } + + public final boolean isToolLibComplete() { + return getToolLibNumber() == getToolLibLoadedNumber(); + } + + public final boolean isToolLibLoaded() { + return 0 < toolLibLoadedNumber; + } + + public final boolean isToolLibLoaded(int i) { + if(0 <= i && i < toolLibLoaded.length) { + return toolLibLoaded[i]; + } + return false; + } + + public final int getGlueLibNumber() { + return glueLibNames.size(); + } + + public final int getGlueLibLoadedNumber() { + return glueLibLoadedNumber; + } + + public final boolean isGlueLibComplete() { + return getGlueLibNumber() == getGlueLibLoadedNumber(); + } + + public final boolean isGlueLibLoaded(int i) { + if(0 <= i && i < glueLibLoaded.length) { + return glueLibLoaded[i]; + } + return false; + } + + public final DynamicLibraryBundleInfo getBundleInfo() { return info; } + + protected long getToolGetProcAddressHandle() { + if(!isToolLibLoaded()) { + return 0; + } + long aptr = 0; + for(Iterator iter=toolGetProcAddressFuncNameList.iterator(); 0==aptr && iter.hasNext(); ) { + String name = (String) iter.next(); + aptr = dynamicLookupFunctionOnLibs(name); + if(DEBUG) { + System.out.println("getToolGetProcAddressHandle: "+name+" -> 0x"+Long.toHexString(aptr)); + } + } + return aptr; + } + + protected NativeLibrary loadFirstAvailable(List/*<String>*/ libNames, ClassLoader loader, boolean global) { + for (Iterator iter = libNames.iterator(); iter.hasNext(); ) { + NativeLibrary lib = NativeLibrary.open((String) iter.next(), loader, global); + if (lib != null) { + return lib; + } + } + return null; + } + + private void loadLibraries() { + if( null == toolLibNames || toolLibNames.size() == 0) { + if(DEBUG) { + System.out.println("No Tool native library names given"); + } + return; + } + + if( null == glueLibNames || glueLibNames.size() == 0 ) { + if(DEBUG) { + System.out.println("No Glue native library names given"); + } + return; + } + + toolLibLoadedNumber = 0; + int i; + toolLibLoaded = new boolean[toolLibNames.size()]; + for(i=0; i<toolLibNames.size(); i++) { + toolLibLoaded[i] = false; + } + + glueLibLoaded = new boolean[glueLibNames.size()]; + for(i=0; i<glueLibNames.size(); i++) { + glueLibLoaded[i] = false; + } + + ClassLoader loader = getClass().getClassLoader(); + NativeLibrary lib = null; + + i=0; + for(Iterator iter = toolLibNames.iterator(); iter.hasNext(); i++) { + Object listObj = iter.next(); + List/*<String>*/ libNames = null; + if(listObj instanceof List) { + libNames = (List) listObj; + } else if(listObj instanceof String) { + libNames = new ArrayList(); + libNames.add((String)listObj); + } else { + throw new RuntimeException("List element "+i+" must be either a List or String: "+toolLibNames); + } + if( null != libNames && libNames.size() > 0 ) { + lib = loadFirstAvailable(libNames, loader, info.shallLinkGlobal()); + if ( null == lib ) { + if(DEBUG) { + System.out.println("Unable to load any Tool library of: "+libNames); + } + } else { + nativeLibraries.add(lib); + toolLibLoaded[i]=true; + toolLibLoadedNumber++; + if(DEBUG) { + System.out.println("Loaded Tool library: "+lib); + } + } + } + } + if( !isToolLibLoaded() ) { + if(DEBUG) { + System.out.println("No Tool libraries loaded"); + } + return; + } + + glueLibLoadedNumber = 0; + i=0; + for(Iterator iter = glueLibNames.iterator(); iter.hasNext(); i++) { + String libName = (String) iter.next(); + boolean ignoreError = true; + boolean res; + try { + res = GlueJNILibLoaderBase.loadLibrary(libName, ignoreError); + if(DEBUG && !res) { + System.out.println("Info: Could not load JNI/Glue library: "+libName); + } + } catch (UnsatisfiedLinkError e) { + res = false; + if(DEBUG) { + System.out.println("Unable to load JNI/Glue library: "+libName); + e.printStackTrace(); + } + } + glueLibLoaded[i] = res; + if(res) { + glueLibLoadedNumber++; + } + } + } + + private long dynamicLookupFunctionOnLibs(String funcName) { + if(!isToolLibLoaded() || null==funcName) { + if(DEBUG_LOOKUP && !isToolLibLoaded()) { + System.err.println("Lookup-Native: <" + funcName + "> ** FAILED ** Tool native library not loaded"); + } + return 0; + } + long addr = 0; + NativeLibrary lib = null; + + if(info.shallLookupGlobal()) { + // Try a global symbol lookup first .. + addr = NativeLibrary.dynamicLookupFunctionGlobal(funcName); + } + // Look up this function name in all known libraries + for (Iterator iter = nativeLibraries.iterator(); 0==addr && iter.hasNext(); ) { + lib = (NativeLibrary) iter.next(); + addr = lib.dynamicLookupFunction(funcName); + } + if(DEBUG_LOOKUP) { + String libName = ( null == lib ) ? "GLOBAL" : lib.toString(); + if(0!=addr) { + System.err.println("Lookup-Native: <" + funcName + "> 0x" + Long.toHexString(addr) + " in lib " + libName ); + } else { + System.err.println("Lookup-Native: <" + funcName + "> ** FAILED ** in libs " + nativeLibraries); + } + } + return addr; + } + + public long dynamicLookupFunction(String funcName) { + if(!isToolLibLoaded() || null==funcName) { + if(DEBUG_LOOKUP && !isToolLibLoaded()) { + System.err.println("Lookup: <" + funcName + "> ** FAILED ** Tool native library not loaded"); + } + return 0; + } + + if(toolGetProcAddressFuncNameSet.contains(funcName)) { + return toolGetProcAddressHandle; + } + + long addr = 0; + + if(0 != toolGetProcAddressHandle) { + addr = info.toolDynamicLookupFunction(toolGetProcAddressHandle, funcName); + if(DEBUG_LOOKUP) { + if(0!=addr) { + System.err.println("Lookup-Tool: <"+funcName+"> 0x"+Long.toHexString(addr)); + } + } + } + if(0==addr) { + addr = dynamicLookupFunctionOnLibs(funcName); + } + return addr; + } + + /** Inherit access */ + static class GlueJNILibLoaderBase extends JNILibLoaderBase { + protected static synchronized boolean loadLibrary(String libname, boolean ignoreError) { + return JNILibLoaderBase.loadLibrary(libname, ignoreError); + } + } +} + diff --git a/src/java/com/jogamp/common/os/DynamicLibraryBundleInfo.java b/src/java/com/jogamp/common/os/DynamicLibraryBundleInfo.java new file mode 100644 index 0000000..37ca538 --- /dev/null +++ b/src/java/com/jogamp/common/os/DynamicLibraryBundleInfo.java @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2010, Sven Gothel + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Sven Gothel nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 Sven Gothel 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. + */ + +package com.jogamp.common.os; + +import java.util.*; +import java.security.*; + +public interface DynamicLibraryBundleInfo { + public static final boolean DEBUG = DynamicLibraryBundle.DEBUG; + + /** @return a list of Tool library names or alternative library name lists.<br> + * <ul> + * <li>GL/GLU example Unix: [ [ "libGL.so.1", "libGL.so", "GL" ], [ "libGLU.so", "GLU" ] ] </li> + * <li>GL/GLU example Windows: [ "OpenGL32", "GLU32" ] </li> + * <li>Cg/CgGL example: [ [ "libCg.so", "Cg" ], [ "libCgGL.so", "CgGL" ] ] </li> + * </pre> + */ + public List getToolLibNames(); + + /** @return a list of Glue library names.<br> + * <ul> + * <li>GL: [ "nativewindow_x11", "jogl_gl2es12", "jogl_desktop" ] </li> + * <li>NEWT: [ "nativewindow_x11", "newt" ] </li> + * <li>Cg: [ "nativewindow_x11", "jogl_cg" ] </li> + * </ul><br> + * Only the last entry is crucial, ie all other are optional preload dependencies and may generate errors, + * which are ignored. + */ + public List/*<String>*/ getGlueLibNames(); + + /** May return the native libraries <pre>GetProcAddressFunc</pre> names, the first found function is being used.<br> + * This could be eg: <pre> glXGetProcAddressARB, glXGetProcAddressARB </pre>.<br> + * If your Tool does not has this facility, just return null. + */ + public List getToolGetProcAddressFuncNameList() ; + + /** May implement the lookup function using the Tools facility.<br> + * The actual function pointer is provided to allow proper bootstrapping of the ProcAddressTable.<br> + */ + public long toolDynamicLookupFunction(long toolGetProcAddressHandle, String funcName); + + /** @return true if the native library symbols shall be made available for symbol resolution of subsequently loaded libraries. */ + public boolean shallLinkGlobal(); + + /** @return true if the dynamic symbol lookup shall happen system wide, over all loaded libraries. Otherwise only the loaded native libraries are used for lookup, which shall be the default. */ + public boolean shallLookupGlobal(); + +} + + diff --git a/src/java/com/jogamp/common/os/DynamicLinker.java b/src/java/com/jogamp/common/os/DynamicLinker.java index ef5d5dc..d67a38f 100755 --- a/src/java/com/jogamp/common/os/DynamicLinker.java +++ b/src/java/com/jogamp/common/os/DynamicLinker.java @@ -46,5 +46,6 @@ interface DynamicLinker { public long openLibraryGlobal(String pathname, boolean debug); public long openLibraryLocal(String pathname, boolean debug); public long lookupSymbol(long libraryHandle, String symbolName); + public long lookupSymbolGlobal(String symbolName); public void closeLibrary(long libraryHandle); } diff --git a/src/java/com/jogamp/common/os/MacOSXDynamicLinkerImpl.java b/src/java/com/jogamp/common/os/MacOSXDynamicLinkerImpl.java index 531bc5c..0e71d5d 100755 --- a/src/java/com/jogamp/common/os/MacOSXDynamicLinkerImpl.java +++ b/src/java/com/jogamp/common/os/MacOSXDynamicLinkerImpl.java @@ -5,6 +5,8 @@ package com.jogamp.common.os; public class MacOSXDynamicLinkerImpl implements DynamicLinker { + public static final long RTLD_DEFAULT = -2; + public static final int RTLD_LAZY = 0x1; public static final int RTLD_NOW = 0x2; public static final int RTLD_LOCAL = 0x4; @@ -50,6 +52,10 @@ public class MacOSXDynamicLinkerImpl implements DynamicLinker { return dlsym(libraryHandle, symbolName); } + public long lookupSymbolGlobal(String symbolName) { + return dlsym(RTLD_DEFAULT, symbolName); + } + public void closeLibrary(long libraryHandle) { dlclose(libraryHandle); } diff --git a/src/java/com/jogamp/common/os/NativeLibrary.java b/src/java/com/jogamp/common/os/NativeLibrary.java index 2de8bc9..97aabae 100755 --- a/src/java/com/jogamp/common/os/NativeLibrary.java +++ b/src/java/com/jogamp/common/os/NativeLibrary.java @@ -62,7 +62,8 @@ public class NativeLibrary implements DynamicLookupHelper { private static final int WINDOWS = 1; private static final int UNIX = 2; private static final int MACOSX = 3; - private static boolean DEBUG; + protected static boolean DEBUG; + protected static boolean DEBUG_LOOKUP; private static int platform; private static DynamicLinker dynLink; private static String[] prefixes; @@ -81,7 +82,8 @@ public class NativeLibrary implements DynamicLookupHelper { platform = UNIX; } - DEBUG = (System.getProperty("gluegen.debug.NativeLibrary") != null); + DEBUG = (System.getProperty("jogamp.debug.NativeLibrary") != null); + DEBUG_LOOKUP = (System.getProperty("jogamp.debug.NativeLibrary.Lookup") != null); return null; } @@ -122,6 +124,10 @@ public class NativeLibrary implements DynamicLookupHelper { this.libraryPath = libraryPath; } + public String toString() { + return "NativeLibrary[" + libraryPath + ", 0x" + Long.toHexString(libraryHandle) + "]"; + } + /** Opens the given native library, assuming it has the same base name on all platforms, looking first in the system's search path, and in the context of the specified ClassLoader, which is @@ -209,6 +215,11 @@ public class NativeLibrary implements DynamicLookupHelper { return dynLink.lookupSymbol(libraryHandle, funcName); } + /** Looks up the given function name in all loaded libraries. */ + public static long dynamicLookupFunctionGlobal(String funcName) { + return dynLink.lookupSymbolGlobal(funcName); + } + /** Retrieves the low-level library handle from this NativeLibrary object. On the Windows platform this is an HMODULE, and on Unix and Mac OS X platforms the void* result of calling dlopen(). */ diff --git a/src/java/com/jogamp/common/os/Platform.java b/src/java/com/jogamp/common/os/Platform.java index b6298a7..0d8b276 100644 --- a/src/java/com/jogamp/common/os/Platform.java +++ b/src/java/com/jogamp/common/os/Platform.java @@ -34,20 +34,21 @@ import com.jogamp.common.nio.Buffers; import java.nio.ByteBuffer; import java.nio.IntBuffer; import java.nio.ShortBuffer; -import java.security.*; /** * Utility class for querying platform specific properties. - * @author Michael Bien, Sven Gothel + * @author Michael Bien + * @author Sven Gothel */ public class Platform { public static final boolean JAVA_SE; public static final boolean LITTLE_ENDIAN; + public static final String OS; + public static final String ARCH; - private final static boolean is32Bit; - private final static int pointerSizeInBits; - private final static String os, arch; + private static final boolean is32Bit; + private static final int pointerSizeInBits; static { NativeLibrary.ensureNativeLibLoaded(); @@ -55,17 +56,24 @@ public class Platform { // 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"); - arch = System.getProperty("os.arch"); + OS = System.getProperty("os.name"); + ARCH = System.getProperty("os.arch"); pointerSizeInBits = getPointerSizeInBitsImpl(); + is32Bit = initAch(); + JAVA_SE = initIsJavaSE(); + LITTLE_ENDIAN = initByteOrder(); + } + + private Platform() {} - // Try to use Sun's sun.arch.data.model first .. + private static boolean initAch() throws RuntimeException { + // Try to use Sun's sun.ARCH.data.model first .. if ( 32 == pointerSizeInBits || 64 == pointerSizeInBits ) { - is32Bit = ( 32 == pointerSizeInBits ); + return 32 == pointerSizeInBits; }else { - String os_lc = os.toLowerCase(); - String arch_lc = arch.toLowerCase(); + 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")) || @@ -79,7 +87,7 @@ public class Platform { (os_lc.startsWith("sunos_lc") && arch_lc.equals("x86")) || (os_lc.startsWith("freebsd") && arch_lc.equals("i386")) || (os_lc.startsWith("hp-ux") && arch_lc.equals("pa_risc2.0"))) { - is32Bit = true; + 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")) || @@ -88,44 +96,41 @@ public class Platform { (os_lc.startsWith("darwin") && arch_lc.equals("x86_64")) || (os_lc.startsWith("sunos_lc") && arch_lc.equals("sparcv9")) || (os_lc.startsWith("sunos_lc") && arch_lc.equals("amd64"))) { - is32Bit = false; + return false; }else{ throw new RuntimeException("Please port CPU detection (32/64 bit) to your platform (" + os_lc + "/" + arch_lc + ")"); } } + } + + private static boolean initIsJavaSE() { + + // fast path for desktop + if(System.getSecurityManager() == null && System.getProperty("java.runtime.name").indexOf("Java SE") != -1) { + return true; + } - boolean se; + // probe for classes we need on a SE environment try{ Class.forName("java.nio.LongBuffer"); Class.forName("java.nio.DoubleBuffer"); - se = true; + return true; }catch(ClassNotFoundException ex) { - se = false; + return false; } + } - if(!se) { - // no more the fast path, due to access controller .. - String java_runtime_name = (String) AccessController.doPrivileged(new PrivilegedAction() { - public Object run() { - return System.getProperty("java.runtime.name"); - } - }); - se = java_runtime_name.indexOf("Java SE") != -1; - } - JAVA_SE = se; - - // byte order + 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); - LITTLE_ENDIAN = 0x0C0D == tst_s.get(0); + return 0x0C0D == tst_s.get(0); } - private Platform() {} - private static native int getPointerSizeInBitsImpl(); + /** * Returns true only if this program is running on the Java Standard Edition. */ @@ -144,14 +149,14 @@ public class Platform { * Returns the OS name. */ public static String getOS() { - return os; + return OS; } /** * Returns the CPU architecture String. */ public static String getArch() { - return arch; + return ARCH; } /** @@ -165,6 +170,9 @@ public class Platform { return pointerSizeInBits; } -} + public static int getPointerSizeInBytes() { + return pointerSizeInBits/8; + } +} diff --git a/src/java/com/jogamp/common/os/UnixDynamicLinkerImpl.java b/src/java/com/jogamp/common/os/UnixDynamicLinkerImpl.java index 02bc828..d2970d6 100755 --- a/src/java/com/jogamp/common/os/UnixDynamicLinkerImpl.java +++ b/src/java/com/jogamp/common/os/UnixDynamicLinkerImpl.java @@ -5,6 +5,7 @@ package com.jogamp.common.os; public class UnixDynamicLinkerImpl implements DynamicLinker { + public static final long RTLD_DEFAULT = 0; public static final int RTLD_LAZY = 0x00001; public static final int RTLD_NOW = 0x00002; public static final int RTLD_NOLOAD = 0x00004; @@ -55,6 +56,10 @@ public class UnixDynamicLinkerImpl implements DynamicLinker { public long lookupSymbol(long libraryHandle, String symbolName) { return dlsym(libraryHandle, symbolName); } + + public long lookupSymbolGlobal(String symbolName) { + return dlsym(RTLD_DEFAULT, symbolName); + } public void closeLibrary(long libraryHandle) { dlclose(libraryHandle); diff --git a/src/java/com/jogamp/common/os/WindowsDynamicLinkerImpl.java b/src/java/com/jogamp/common/os/WindowsDynamicLinkerImpl.java index 2858f74..7bbfe23 100755 --- a/src/java/com/jogamp/common/os/WindowsDynamicLinkerImpl.java +++ b/src/java/com/jogamp/common/os/WindowsDynamicLinkerImpl.java @@ -11,7 +11,7 @@ public class WindowsDynamicLinkerImpl implements DynamicLinker { static { AccessController.doPrivileged(new PrivilegedAction() { public Object run() { - DEBUG = (System.getProperty("gluegen.debug.NativeLibrary") != null); + DEBUG = (System.getProperty("jogamp.debug.NativeLibrary") != null); return null; } }); @@ -65,6 +65,10 @@ public class WindowsDynamicLinkerImpl implements DynamicLinker { return addr; } + public long lookupSymbolGlobal(String symbolName) { + throw new RuntimeException("lookupSymbolGlobal: Not supported on Windows"); + } + public void closeLibrary(long libraryHandle) { FreeLibrary(libraryHandle); } |