From a7545f4fda73c215cff0da7256417bc1d1bd450b Mon Sep 17 00:00:00 2001 From: Sven Gothel Date: Sat, 22 Jun 2013 07:18:14 +0200 Subject: Fix commit eb842815498f5926828b49c48fffce22fc9586a2: Adding missing files --- .../jogamp/common/os/PosixDynamicLinkerImpl.java | 89 ++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 src/java/jogamp/common/os/PosixDynamicLinkerImpl.java (limited to 'src/java/jogamp/common/os/PosixDynamicLinkerImpl.java') diff --git a/src/java/jogamp/common/os/PosixDynamicLinkerImpl.java b/src/java/jogamp/common/os/PosixDynamicLinkerImpl.java new file mode 100644 index 0000000..50feb94 --- /dev/null +++ b/src/java/jogamp/common/os/PosixDynamicLinkerImpl.java @@ -0,0 +1,89 @@ +/** + * Copyright 2013 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.util.SecurityUtil; + +public final class PosixDynamicLinkerImpl extends UnixDynamicLinkerImpl { + + private static final long RTLD_DEFAULT = 0; + // static final long RTLD_NEXT = -1L; + + private static final int RTLD_LAZY = 0x00001; + // static final int RTLD_NOW = 0x00002; + private static final int RTLD_LOCAL = 0x00000; + private static final int RTLD_GLOBAL = 0x00100; + + @Override + public final long openLibraryLocal(String pathname, boolean debug) throws SecurityException { + // Note we use RTLD_GLOBAL visibility to _NOT_ allow this functionality to + // be used to pre-resolve dependent libraries of JNI code without + // requiring that all references to symbols in those libraries be + // looked up dynamically via the ProcAddressTable mechanism; in + // other words, one can actually link against the library instead of + // having to dlsym all entry points. System.loadLibrary() uses + // RTLD_LOCAL visibility so can't be used for this purpose. + SecurityUtil.checkLinkPermission(pathname); + final long handle = dlopen(pathname, RTLD_LAZY | RTLD_LOCAL); + if( 0 != handle ) { + incrLibRefCount(handle, pathname); + } else if ( DEBUG || debug ) { + System.err.println("dlopen \""+pathname+"\" local failed, error: "+dlerror()); + } + return handle; + } + + @Override + public final long openLibraryGlobal(String pathname, boolean debug) throws SecurityException { + // Note we use RTLD_GLOBAL visibility to allow this functionality to + // be used to pre-resolve dependent libraries of JNI code without + // requiring that all references to symbols in those libraries be + // looked up dynamically via the ProcAddressTable mechanism; in + // other words, one can actually link against the library instead of + // having to dlsym all entry points. System.loadLibrary() uses + // RTLD_LOCAL visibility so can't be used for this purpose. + SecurityUtil.checkLinkPermission(pathname); + final long handle = dlopen(pathname, RTLD_LAZY | RTLD_GLOBAL); + if( 0 != handle ) { + incrLibRefCount(handle, pathname); + } else if ( DEBUG || debug ) { + System.err.println("dlopen \""+pathname+"\" global failed, error: "+dlerror()); + } + return handle; + } + + @Override + public final long lookupSymbolGlobal(String symbolName) throws SecurityException { + SecurityUtil.checkAllLinkPermission(); + final long addr = dlsym(RTLD_DEFAULT, symbolName); + if(DEBUG_LOOKUP) { + System.err.println("DynamicLinkerImpl.lookupSymbolGlobal("+symbolName+") -> 0x"+Long.toHexString(addr)); + } + return addr; + } +} -- cgit v1.2.3