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comparison agent/src/share/classes/sun/jvm/hotspot/runtime/VM.java @ 749:81a249214991

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6829234: Refix 6822407 and 6812971 Summary: Fixes two SA issues 6822407 and 6812971 Reviewed-by: swamyv, acorn, kvn, coleenp
author poonam
date Mon, 04 May 2009 17:58:10 -0700
parents 23276f80d930
children bd02caa94611
comparison
equal deleted inserted replaced
744:af5d39ca39a3 749:81a249214991
316 minObjAlignmentInBytes = db.lookupIntConstant("MinObjAlignmentInBytes").intValue(); 316 minObjAlignmentInBytes = db.lookupIntConstant("MinObjAlignmentInBytes").intValue();
317 // minObjAlignment = db.lookupIntConstant("MinObjAlignment").intValue(); 317 // minObjAlignment = db.lookupIntConstant("MinObjAlignment").intValue();
318 logMinObjAlignmentInBytes = db.lookupIntConstant("LogMinObjAlignmentInBytes").intValue(); 318 logMinObjAlignmentInBytes = db.lookupIntConstant("LogMinObjAlignmentInBytes").intValue();
319 heapWordSize = db.lookupIntConstant("HeapWordSize").intValue(); 319 heapWordSize = db.lookupIntConstant("HeapWordSize").intValue();
320 oopSize = db.lookupIntConstant("oopSize").intValue(); 320 oopSize = db.lookupIntConstant("oopSize").intValue();
321 heapOopSize = db.lookupIntConstant("heapOopSize").intValue();
322 321
323 intxType = db.lookupType("intx"); 322 intxType = db.lookupType("intx");
324 uintxType = db.lookupType("uintx"); 323 uintxType = db.lookupType("uintx");
325 boolType = (CIntegerType) db.lookupType("bool"); 324 boolType = (CIntegerType) db.lookupType("bool");
325
326 if (isCompressedOopsEnabled()) {
327 // Size info for oops within java objects is fixed
328 heapOopSize = (int)getIntSize();
329 } else {
330 heapOopSize = (int)getOopSize();
331 }
326 } 332 }
327 333
328 /** This could be used by a reflective runtime system */ 334 /** This could be used by a reflective runtime system */
329 public static void initialize(TypeDataBase db, boolean isBigEndian) { 335 public static void initialize(TypeDataBase db, boolean isBigEndian) {
330 if (soleInstance != null) { 336 if (soleInstance != null) {
341 if (soleInstance != null) { 347 if (soleInstance != null) {
342 throw new RuntimeException("Attempt to initialize VM twice"); 348 throw new RuntimeException("Attempt to initialize VM twice");
343 } 349 }
344 soleInstance = new VM(db, debugger, debugger.getMachineDescription().isBigEndian()); 350 soleInstance = new VM(db, debugger, debugger.getMachineDescription().isBigEndian());
345 351
352 for (Iterator iter = vmInitializedObservers.iterator(); iter.hasNext(); ) {
353 ((Observer) iter.next()).update(null, null);
354 }
355
346 debugger.putHeapConst(soleInstance.getHeapOopSize(), Universe.getNarrowOopBase(), 356 debugger.putHeapConst(soleInstance.getHeapOopSize(), Universe.getNarrowOopBase(),
347 Universe.getNarrowOopShift()); 357 Universe.getNarrowOopShift());
348
349 for (Iterator iter = vmInitializedObservers.iterator(); iter.hasNext(); ) {
350 ((Observer) iter.next()).update(null, null);
351 }
352
353 } 358 }
354 359
355 /** This is used by the debugging system */ 360 /** This is used by the debugging system */
356 public static void shutdown() { 361 public static void shutdown() {
357 soleInstance = null; 362 soleInstance = null;