diff options
Diffstat (limited to 'src/java/com/sun/gluegen/runtime/ProcAddressHelper.java')
-rw-r--r-- | src/java/com/sun/gluegen/runtime/ProcAddressHelper.java | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/src/java/com/sun/gluegen/runtime/ProcAddressHelper.java b/src/java/com/sun/gluegen/runtime/ProcAddressHelper.java deleted file mode 100644 index f0dbe8b..0000000 --- a/src/java/com/sun/gluegen/runtime/ProcAddressHelper.java +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Copyright (c) 2003-2005 Sun Microsystems, Inc. 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.sun.gluegen.runtime; - -import java.security.*; - -// Debugging only -import java.io.*; - -/** Helper class containing constants and methods to assist with the - manipulation of auto-generated ProcAddressTables. */ - -public class ProcAddressHelper { - public static final String PROCADDRESS_VAR_PREFIX = "_addressof_"; - protected static boolean DEBUG; - protected static String DEBUG_PREFIX; - protected static int debugNum; - - static { - AccessController.doPrivileged(new PrivilegedAction() { - public Object run() { - DEBUG = (System.getProperty("gluegen.debug.ProcAddressHelper") != null); - if (DEBUG) { - DEBUG_PREFIX = System.getProperty("gluegen.debug.ProcAddressHelper.prefix"); - } - return null; - } - }); - } - - protected static PrintStream getDebugOutStream() { - PrintStream out = null; - if (DEBUG) { - if (DEBUG_PREFIX != null) { - try { - out = new PrintStream(new BufferedOutputStream(new FileOutputStream(DEBUG_PREFIX + File.separatorChar + - "procaddresshelper-" + (++debugNum) + ".txt"))); - } catch (IOException e) { - e.printStackTrace(); - out = System.err; - } - } else { - out = System.err; - } - } - return out; - } - - public static void resetProcAddressTable(Object table, - DynamicLookupHelper lookup) throws RuntimeException { - Class tableClass = table.getClass(); - java.lang.reflect.Field[] fields = tableClass.getFields(); - PrintStream dout = getDebugOutStream(); - - if (DEBUG) { - dout.println("ProcAddressHelper.resetProcAddressTable(" + table.getClass().getName() + ")"); - } - for (int i = 0; i < fields.length; ++i) { - String addressFieldName = fields[i].getName(); - if (!addressFieldName.startsWith(ProcAddressHelper.PROCADDRESS_VAR_PREFIX)) { - // not a proc address variable - continue; - } - int startOfMethodName = ProcAddressHelper.PROCADDRESS_VAR_PREFIX.length(); - String funcName = addressFieldName.substring(startOfMethodName); - try { - java.lang.reflect.Field addressField = fields[i]; - assert(addressField.getType() == Long.TYPE); - long newProcAddress = lookup.dynamicLookupFunction(funcName); - // set the current value of the proc address variable in the table object - addressField.setLong(table, newProcAddress); - if (DEBUG) { - dout.println(" " + addressField.getName() + " -> 0x" + Long.toHexString(newProcAddress)); - } - } catch (Exception e) { - throw new RuntimeException("Can not get proc address for method \"" + - funcName + "\": Couldn't set value of field \"" + addressFieldName + - "\" in class " + tableClass.getName(), e); - } - } - if (DEBUG) { - dout.flush(); - if (DEBUG_PREFIX != null) { - dout.close(); - } - } - } -} |