372 }
373
374 protected boolean hasSenderPD() {
375 // FIXME
376 return true;
377 }
378
379 public long frameSize() {
380 return (getSenderSP().minus(getSP()) / VM.getVM().getAddressSize());
381 }
382
383 public Address getLink() {
384 return getSenderSP().getAddressAt(0);
385 }
386
387 public Address getUnextendedSP() { return raw_unextendedSP; }
388
389 // Return address:
390 public Address getSenderPC() { return getSenderSP().getAddressAt(2 * VM.getVM().getAddressSize()); }
391
392 // return address of param, zero origin index.
393 // MPJ note: Appears to be unused.
394 public Address getNativeParamAddr(int idx) {
395 return null;
396 // return addressOfStackSlot(NATIVE_FRAME_INITIAL_PARAM_OFFSET + idx);
397 }
398
399 public Address getSenderSP() { return getFP(); }
400 public Address addressOfInterpreterFrameLocals() {
401 return addressOfStackSlot(INTERPRETER_FRAME_LOCALS_OFFSET);
402 }
403
404 private Address addressOfInterpreterFrameBCX() {
405 return addressOfStackSlot(INTERPRETER_FRAME_BCX_OFFSET);
406 }
407
408 public int getInterpreterFrameBCI() {
409 // FIXME: this is not atomic with respect to GC and is unsuitable
410 // for use in a non-debugging, or reflective, system. Need to
411 // figure out how to express this.
412 Address bcp = addressOfInterpreterFrameBCX().getAddressAt(0);
413 Address methodHandle = addressOfInterpreterFrameMethod().getAddressAt(0);
414 Method method = (Method)Metadata.instantiateWrapperFor(methodHandle);
415 return bcpToBci(bcp, method);
416 }
417
418 public Address addressOfInterpreterFrameMDX() {
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372 }
373
374 protected boolean hasSenderPD() {
375 // FIXME
376 return true;
377 }
378
379 public long frameSize() {
380 return (getSenderSP().minus(getSP()) / VM.getVM().getAddressSize());
381 }
382
383 public Address getLink() {
384 return getSenderSP().getAddressAt(0);
385 }
386
387 public Address getUnextendedSP() { return raw_unextendedSP; }
388
389 // Return address:
390 public Address getSenderPC() { return getSenderSP().getAddressAt(2 * VM.getVM().getAddressSize()); }
391
392 public Address getSenderSP() { return getFP(); }
393 public Address addressOfInterpreterFrameLocals() {
394 return addressOfStackSlot(INTERPRETER_FRAME_LOCALS_OFFSET);
395 }
396
397 private Address addressOfInterpreterFrameBCX() {
398 return addressOfStackSlot(INTERPRETER_FRAME_BCX_OFFSET);
399 }
400
401 public int getInterpreterFrameBCI() {
402 // FIXME: this is not atomic with respect to GC and is unsuitable
403 // for use in a non-debugging, or reflective, system. Need to
404 // figure out how to express this.
405 Address bcp = addressOfInterpreterFrameBCX().getAddressAt(0);
406 Address methodHandle = addressOfInterpreterFrameMethod().getAddressAt(0);
407 Method method = (Method)Metadata.instantiateWrapperFor(methodHandle);
408 return bcpToBci(bcp, method);
409 }
410
411 public Address addressOfInterpreterFrameMDX() {
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