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Fix DynamicLinker Impl: Add Bionic specialization using Bionic's non …
…POSIX values; Using same pattern for Mac OS X. Add Bionic specialization using Bionic's non POSIX values - derive from UnixDynamicLinkerImpl - specify own flag and mode values - use UnixDynamicLinkerImpl native code Using same pattern for Mac OS X - derive from UnixDynamicLinkerImpl - specify own flag and mode values - use UnixDynamicLinkerImpl native code - drop MacOSXDynamicLinkerImpl native code
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package jogamp.common.os; | ||
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import com.jogamp.common.util.SecurityUtil; | ||
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/** | ||
* Bionic specialization of {@link UnixDynamicLinkerImpl} | ||
* utilizing Bionic's non POSIX flags and mode values. | ||
* <p> | ||
* Bionic is used on Android. | ||
* </p> | ||
*/ | ||
public class BionicDynamicLinkerImpl extends UnixDynamicLinkerImpl { | ||
private static final long RTLD_DEFAULT = 0xffffffffL; | ||
// static final long RTLD_NEXT = 0xfffffffeL; | ||
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private static final int RTLD_LAZY = 0x00001; | ||
// static final int RTLD_NOW = 0x00000; | ||
private static final int RTLD_LOCAL = 0x00000; | ||
private static final int RTLD_GLOBAL = 0x00002; | ||
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// --- Begin CustomJavaCode .cfg declarations | ||
public 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); | ||
return dlopen(pathname, RTLD_LAZY | RTLD_LOCAL); | ||
} | ||
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public 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); | ||
return dlopen(pathname, RTLD_LAZY | RTLD_GLOBAL); | ||
} | ||
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public long lookupSymbolGlobal(String symbolName) { | ||
final long addr = dlsym(RTLD_DEFAULT, symbolName); | ||
if(DEBUG_LOOKUP) { | ||
System.err.println("DynamicLinkerImpl.lookupSymbolGlobal("+symbolName+") -> 0x"+Long.toHexString(addr)); | ||
} | ||
return addr; | ||
} | ||
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} |
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