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comparison agent/src/share/classes/sun/jvm/hotspot/runtime/amd64/AMD64Frame.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
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children | c18cbe5936b8 |
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1 /* | |
2 * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 package sun.jvm.hotspot.runtime.amd64; | |
26 | |
27 import java.util.*; | |
28 import sun.jvm.hotspot.code.*; | |
29 import sun.jvm.hotspot.compiler.*; | |
30 import sun.jvm.hotspot.debugger.*; | |
31 import sun.jvm.hotspot.oops.*; | |
32 import sun.jvm.hotspot.runtime.*; | |
33 import sun.jvm.hotspot.types.*; | |
34 import sun.jvm.hotspot.utilities.*; | |
35 | |
36 /** Specialization of and implementation of abstract methods of the | |
37 Frame class for the amd64 CPU. */ | |
38 | |
39 public class AMD64Frame extends Frame { | |
40 private static final boolean DEBUG; | |
41 static { | |
42 DEBUG = System.getProperty("sun.jvm.hotspot.runtime.amd64.AMD64Frame.DEBUG") != null; | |
43 } | |
44 | |
45 // refer to frame_amd64.hpp | |
46 private static final int PC_RETURN_OFFSET = 0; | |
47 // All frames | |
48 private static final int LINK_OFFSET = 0; | |
49 private static final int RETURN_ADDR_OFFSET = 1; | |
50 private static final int SENDER_SP_OFFSET = 2; | |
51 | |
52 // Interpreter frames | |
53 private static final int INTERPRETER_FRAME_MIRROR_OFFSET = 2; // for native calls only | |
54 private static final int INTERPRETER_FRAME_SENDER_SP_OFFSET = -1; | |
55 private static final int INTERPRETER_FRAME_LAST_SP_OFFSET = INTERPRETER_FRAME_SENDER_SP_OFFSET - 1; | |
56 private static final int INTERPRETER_FRAME_METHOD_OFFSET = INTERPRETER_FRAME_LAST_SP_OFFSET - 1; | |
57 private static int INTERPRETER_FRAME_MDX_OFFSET; // Non-core builds only | |
58 private static int INTERPRETER_FRAME_CACHE_OFFSET; | |
59 private static int INTERPRETER_FRAME_LOCALS_OFFSET; | |
60 private static int INTERPRETER_FRAME_BCX_OFFSET; | |
61 private static int INTERPRETER_FRAME_INITIAL_SP_OFFSET; | |
62 private static int INTERPRETER_FRAME_MONITOR_BLOCK_TOP_OFFSET; | |
63 private static int INTERPRETER_FRAME_MONITOR_BLOCK_BOTTOM_OFFSET; | |
64 | |
65 // Entry frames | |
66 private static final int ENTRY_FRAME_CALL_WRAPPER_OFFSET = -6; | |
67 | |
68 // Native frames | |
69 private static final int NATIVE_FRAME_INITIAL_PARAM_OFFSET = 2; | |
70 | |
71 static { | |
72 VM.registerVMInitializedObserver(new Observer() { | |
73 public void update(Observable o, Object data) { | |
74 initialize(VM.getVM().getTypeDataBase()); | |
75 } | |
76 }); | |
77 } | |
78 | |
79 private static synchronized void initialize(TypeDataBase db) { | |
80 if (VM.getVM().isCore()) { | |
81 INTERPRETER_FRAME_CACHE_OFFSET = INTERPRETER_FRAME_METHOD_OFFSET - 1; | |
82 } else { | |
83 INTERPRETER_FRAME_MDX_OFFSET = INTERPRETER_FRAME_METHOD_OFFSET - 1; | |
84 INTERPRETER_FRAME_CACHE_OFFSET = INTERPRETER_FRAME_MDX_OFFSET - 1; | |
85 } | |
86 INTERPRETER_FRAME_LOCALS_OFFSET = INTERPRETER_FRAME_CACHE_OFFSET - 1; | |
87 INTERPRETER_FRAME_BCX_OFFSET = INTERPRETER_FRAME_LOCALS_OFFSET - 1; | |
88 INTERPRETER_FRAME_INITIAL_SP_OFFSET = INTERPRETER_FRAME_BCX_OFFSET - 1; | |
89 INTERPRETER_FRAME_MONITOR_BLOCK_TOP_OFFSET = INTERPRETER_FRAME_INITIAL_SP_OFFSET; | |
90 INTERPRETER_FRAME_MONITOR_BLOCK_BOTTOM_OFFSET = INTERPRETER_FRAME_INITIAL_SP_OFFSET; | |
91 } | |
92 | |
93 // an additional field beyond sp and pc: | |
94 Address raw_fp; // frame pointer | |
95 private Address raw_unextendedSP; | |
96 | |
97 private AMD64Frame() { | |
98 } | |
99 | |
100 private void adjustForDeopt() { | |
101 if ( pc != null) { | |
102 // Look for a deopt pc and if it is deopted convert to original pc | |
103 CodeBlob cb = VM.getVM().getCodeCache().findBlob(pc); | |
104 if (cb != null && cb.isJavaMethod()) { | |
105 NMethod nm = (NMethod) cb; | |
106 if (pc.equals(nm.deoptBegin())) { | |
107 // adjust pc if frame is deoptimized. | |
108 if (Assert.ASSERTS_ENABLED) { | |
109 Assert.that(this.getUnextendedSP() != null, "null SP in Java frame"); | |
110 } | |
111 pc = this.getUnextendedSP().getAddressAt(nm.origPCOffset()); | |
112 deoptimized = true; | |
113 } | |
114 } | |
115 } | |
116 } | |
117 | |
118 public AMD64Frame(Address raw_sp, Address raw_fp, Address pc) { | |
119 this.raw_sp = raw_sp; | |
120 this.raw_unextendedSP = raw_sp; | |
121 this.raw_fp = raw_fp; | |
122 this.pc = pc; | |
123 | |
124 // Frame must be fully constructed before this call | |
125 adjustForDeopt(); | |
126 | |
127 if (DEBUG) { | |
128 System.out.println("AMD64Frame(sp, fp, pc): " + this); | |
129 dumpStack(); | |
130 } | |
131 } | |
132 | |
133 public AMD64Frame(Address raw_sp, Address raw_fp) { | |
134 this.raw_sp = raw_sp; | |
135 this.raw_unextendedSP = raw_sp; | |
136 this.raw_fp = raw_fp; | |
137 this.pc = raw_sp.getAddressAt(-1 * VM.getVM().getAddressSize()); | |
138 | |
139 // Frame must be fully constructed before this call | |
140 adjustForDeopt(); | |
141 | |
142 if (DEBUG) { | |
143 System.out.println("AMD64Frame(sp, fp): " + this); | |
144 dumpStack(); | |
145 } | |
146 } | |
147 | |
148 // This constructor should really take the unextended SP as an arg | |
149 // but then the constructor is ambiguous with constructor that takes | |
150 // a PC so take an int and convert it. | |
151 public AMD64Frame(Address raw_sp, Address raw_fp, long extension) { | |
152 this.raw_sp = raw_sp; | |
153 if ( raw_sp == null) { | |
154 this.raw_unextendedSP = null; | |
155 } else { | |
156 this.raw_unextendedSP = raw_sp.addOffsetTo(extension); | |
157 } | |
158 this.raw_fp = raw_fp; | |
159 this.pc = raw_sp.getAddressAt(-1 * VM.getVM().getAddressSize()); | |
160 | |
161 // Frame must be fully constructed before this call | |
162 adjustForDeopt(); | |
163 | |
164 if (DEBUG) { | |
165 System.out.println("AMD64Frame(sp, fp, extension): " + this); | |
166 dumpStack(); | |
167 } | |
168 | |
169 } | |
170 | |
171 public Object clone() { | |
172 AMD64Frame frame = new AMD64Frame(); | |
173 frame.raw_sp = raw_sp; | |
174 frame.raw_unextendedSP = raw_unextendedSP; | |
175 frame.raw_fp = raw_fp; | |
176 frame.pc = pc; | |
177 frame.deoptimized = deoptimized; | |
178 return frame; | |
179 } | |
180 | |
181 public boolean equals(Object arg) { | |
182 if (arg == null) { | |
183 return false; | |
184 } | |
185 | |
186 if (!(arg instanceof AMD64Frame)) { | |
187 return false; | |
188 } | |
189 | |
190 AMD64Frame other = (AMD64Frame) arg; | |
191 | |
192 return (AddressOps.equal(getSP(), other.getSP()) && | |
193 AddressOps.equal(getFP(), other.getFP()) && | |
194 AddressOps.equal(getUnextendedSP(), other.getUnextendedSP()) && | |
195 AddressOps.equal(getPC(), other.getPC())); | |
196 } | |
197 | |
198 public int hashCode() { | |
199 if (raw_sp == null) { | |
200 return 0; | |
201 } | |
202 | |
203 return raw_sp.hashCode(); | |
204 } | |
205 | |
206 public String toString() { | |
207 return "sp: " + (getSP() == null? "null" : getSP().toString()) + | |
208 ", unextendedSP: " + (getUnextendedSP() == null? "null" : getUnextendedSP().toString()) + | |
209 ", fp: " + (getFP() == null? "null" : getFP().toString()) + | |
210 ", pc: " + (pc == null? "null" : pc.toString()); | |
211 } | |
212 | |
213 // accessors for the instance variables | |
214 public Address getFP() { return raw_fp; } | |
215 public Address getSP() { return raw_sp; } | |
216 public Address getID() { return raw_sp; } | |
217 | |
218 // FIXME: not implemented yet (should be done for Solaris/AMD64) | |
219 public boolean isSignalHandlerFrameDbg() { return false; } | |
220 public int getSignalNumberDbg() { return 0; } | |
221 public String getSignalNameDbg() { return null; } | |
222 | |
223 public boolean isInterpretedFrameValid() { | |
224 if (Assert.ASSERTS_ENABLED) { | |
225 Assert.that(isInterpretedFrame(), "Not an interpreted frame"); | |
226 } | |
227 | |
228 // These are reasonable sanity checks | |
229 if (getFP() == null || getFP().andWithMask(0x3) != null) { | |
230 return false; | |
231 } | |
232 | |
233 if (getSP() == null || getSP().andWithMask(0x3) != null) { | |
234 return false; | |
235 } | |
236 | |
237 if (getFP().addOffsetTo(INTERPRETER_FRAME_INITIAL_SP_OFFSET * VM.getVM().getAddressSize()).lessThan(getSP())) { | |
238 return false; | |
239 } | |
240 | |
241 // These are hacks to keep us out of trouble. | |
242 // The problem with these is that they mask other problems | |
243 if (getFP().lessThanOrEqual(getSP())) { | |
244 // this attempts to deal with unsigned comparison above | |
245 return false; | |
246 } | |
247 | |
248 if (getFP().minus(getSP()) > 4096 * VM.getVM().getAddressSize()) { | |
249 // stack frames shouldn't be large. | |
250 return false; | |
251 } | |
252 | |
253 return true; | |
254 } | |
255 | |
256 // FIXME: not applicable in current system | |
257 // void patch_pc(Thread* thread, address pc); | |
258 | |
259 public Frame sender(RegisterMap regMap, CodeBlob cb) { | |
260 AMD64RegisterMap map = (AMD64RegisterMap) regMap; | |
261 | |
262 if (Assert.ASSERTS_ENABLED) { | |
263 Assert.that(map != null, "map must be set"); | |
264 } | |
265 | |
266 // Default is we done have to follow them. The sender_for_xxx will | |
267 // update it accordingly | |
268 map.setIncludeArgumentOops(false); | |
269 | |
270 if (isEntryFrame()) return senderForEntryFrame(map); | |
271 if (isInterpretedFrame()) return senderForInterpreterFrame(map); | |
272 | |
273 | |
274 if (!VM.getVM().isCore()) { | |
275 if(cb == null) { | |
276 cb = VM.getVM().getCodeCache().findBlob(getPC()); | |
277 } else { | |
278 if (Assert.ASSERTS_ENABLED) { | |
279 Assert.that(cb.equals(VM.getVM().getCodeCache().findBlob(getPC())), "Must be the same"); | |
280 } | |
281 } | |
282 | |
283 if (cb != null) { | |
284 return senderForCompiledFrame(map, cb); | |
285 } | |
286 } | |
287 | |
288 // Must be native-compiled frame, i.e. the marshaling code for native | |
289 // methods that exists in the core system. | |
290 return new AMD64Frame(getSenderSP(), getLink(), getSenderPC()); | |
291 } | |
292 | |
293 private Frame senderForEntryFrame(AMD64RegisterMap map) { | |
294 if (Assert.ASSERTS_ENABLED) { | |
295 Assert.that(map != null, "map must be set"); | |
296 } | |
297 // Java frame called from C; skip all C frames and return top C | |
298 // frame of that chunk as the sender | |
299 AMD64JavaCallWrapper jcw = (AMD64JavaCallWrapper) getEntryFrameCallWrapper(); | |
300 if (Assert.ASSERTS_ENABLED) { | |
301 Assert.that(!entryFrameIsFirst(), "next Java fp must be non zero"); | |
302 Assert.that(jcw.getLastJavaSP().greaterThan(getSP()), "must be above this frame on stack"); | |
303 } | |
304 AMD64Frame fr; | |
305 if (jcw.getLastJavaPC() != null) { | |
306 fr = new AMD64Frame(jcw.getLastJavaSP(), jcw.getLastJavaFP(), jcw.getLastJavaPC()); | |
307 } else { | |
308 fr = new AMD64Frame(jcw.getLastJavaSP(), jcw.getLastJavaFP()); | |
309 } | |
310 map.clear(); | |
311 if (Assert.ASSERTS_ENABLED) { | |
312 Assert.that(map.getIncludeArgumentOops(), "should be set by clear"); | |
313 } | |
314 return fr; | |
315 } | |
316 | |
317 private Frame senderForInterpreterFrame(AMD64RegisterMap map) { | |
318 Address unextendedSP = addressOfStackSlot(INTERPRETER_FRAME_SENDER_SP_OFFSET).getAddressAt(0); | |
319 Address sp = addressOfStackSlot(SENDER_SP_OFFSET); | |
320 // We do not need to update the callee-save register mapping because above | |
321 // us is either another interpreter frame or a converter-frame, but never | |
322 // directly a compiled frame. | |
323 // 11/24/04 SFG. This is no longer true after adapter were removed. However at the moment | |
324 // C2 no longer uses callee save register for java calls so there are no callee register | |
325 // to find. | |
326 return new AMD64Frame(sp, getLink(), unextendedSP.minus(sp)); | |
327 } | |
328 | |
329 private Frame senderForCompiledFrame(AMD64RegisterMap map, CodeBlob cb) { | |
330 // | |
331 // NOTE: some of this code is (unfortunately) duplicated in AMD64CurrentFrameGuess | |
332 // | |
333 | |
334 if (Assert.ASSERTS_ENABLED) { | |
335 Assert.that(map != null, "map must be set"); | |
336 } | |
337 | |
338 // frame owned by optimizing compiler | |
339 Address sender_sp = null; | |
340 | |
341 | |
342 if (VM.getVM().isClientCompiler()) { | |
343 sender_sp = addressOfStackSlot(SENDER_SP_OFFSET); | |
344 } else { | |
345 if (Assert.ASSERTS_ENABLED) { | |
346 Assert.that(cb.getFrameSize() >= 0, "Compiled by Compiler1: do not use"); | |
347 } | |
348 sender_sp = getUnextendedSP().addOffsetTo(cb.getFrameSize()); | |
349 } | |
350 | |
351 // On Intel the return_address is always the word on the stack | |
352 Address sender_pc = sender_sp.getAddressAt(-1 * VM.getVM().getAddressSize()); | |
353 | |
354 if (map.getUpdateMap() && cb.getOopMaps() != null) { | |
355 OopMapSet.updateRegisterMap(this, cb, map, true); | |
356 } | |
357 | |
358 if (VM.getVM().isClientCompiler()) { | |
359 // Move this here for C1 and collecting oops in arguments (According to Rene) | |
360 map.setIncludeArgumentOops(cb.callerMustGCArguments(map.getThread())); | |
361 } | |
362 | |
363 Address saved_fp = null; | |
364 if (VM.getVM().isClientCompiler()) { | |
365 saved_fp = getFP().getAddressAt(0); | |
366 } else if (VM.getVM().isServerCompiler() && | |
367 (VM.getVM().getInterpreter().contains(sender_pc) || | |
368 VM.getVM().getStubRoutines().returnsToCallStub(sender_pc))) { | |
369 // C2 prologue saves EBP in the usual place. | |
370 // however only use it if the sender had link infomration in it. | |
371 saved_fp = sender_sp.getAddressAt(-2 * VM.getVM().getAddressSize()); | |
372 } | |
373 | |
374 return new AMD64Frame(sender_sp, saved_fp, sender_pc); | |
375 } | |
376 | |
377 protected boolean hasSenderPD() { | |
378 // FIXME | |
379 // Check for null ebp? Need to do some tests. | |
380 return true; | |
381 } | |
382 | |
383 public long frameSize() { | |
384 return (getSenderSP().minus(getSP()) / VM.getVM().getAddressSize()); | |
385 } | |
386 | |
387 public Address getLink() { | |
388 return addressOfStackSlot(LINK_OFFSET).getAddressAt(0); | |
389 } | |
390 | |
391 // FIXME: not implementable yet | |
392 //inline void frame::set_link(intptr_t* addr) { *(intptr_t **)addr_at(link_offset) = addr; } | |
393 | |
394 public Address getUnextendedSP() { return raw_unextendedSP; } | |
395 | |
396 // Return address: | |
397 public Address getSenderPCAddr() { return addressOfStackSlot(RETURN_ADDR_OFFSET); } | |
398 public Address getSenderPC() { return getSenderPCAddr().getAddressAt(0); } | |
399 | |
400 // return address of param, zero origin index. | |
401 public Address getNativeParamAddr(int idx) { | |
402 return addressOfStackSlot(NATIVE_FRAME_INITIAL_PARAM_OFFSET + idx); | |
403 } | |
404 | |
405 public Address getSenderSP() { return addressOfStackSlot(SENDER_SP_OFFSET); } | |
406 | |
407 public Address compiledArgumentToLocationPD(VMReg reg, RegisterMap regMap, int argSize) { | |
408 if (VM.getVM().isCore() || VM.getVM().isClientCompiler()) { | |
409 throw new RuntimeException("Should not reach here"); | |
410 } | |
411 | |
412 return oopMapRegToLocation(reg, regMap); | |
413 } | |
414 | |
415 public Address addressOfInterpreterFrameLocals() { | |
416 return addressOfStackSlot(INTERPRETER_FRAME_LOCALS_OFFSET); | |
417 } | |
418 | |
419 private Address addressOfInterpreterFrameBCX() { | |
420 return addressOfStackSlot(INTERPRETER_FRAME_BCX_OFFSET); | |
421 } | |
422 | |
423 public int getInterpreterFrameBCI() { | |
424 // FIXME: this is not atomic with respect to GC and is unsuitable | |
425 // for use in a non-debugging, or reflective, system. Need to | |
426 // figure out how to express this. | |
427 Address bcp = addressOfInterpreterFrameBCX().getAddressAt(0); | |
428 OopHandle methodHandle = addressOfInterpreterFrameMethod().getOopHandleAt(0); | |
429 Method method = (Method) VM.getVM().getObjectHeap().newOop(methodHandle); | |
430 return (int) bcpToBci(bcp, method); | |
431 } | |
432 | |
433 public Address addressOfInterpreterFrameMDX() { | |
434 return addressOfStackSlot(INTERPRETER_FRAME_MDX_OFFSET); | |
435 } | |
436 | |
437 // FIXME | |
438 //inline int frame::interpreter_frame_monitor_size() { | |
439 // return BasicObjectLock::size(); | |
440 //} | |
441 | |
442 // expression stack | |
443 // (the max_stack arguments are used by the GC; see class FrameClosure) | |
444 | |
445 public Address addressOfInterpreterFrameExpressionStack() { | |
446 Address monitorEnd = interpreterFrameMonitorEnd().address(); | |
447 return monitorEnd.addOffsetTo(-1 * VM.getVM().getAddressSize()); | |
448 } | |
449 | |
450 public int getInterpreterFrameExpressionStackDirection() { return -1; } | |
451 | |
452 // top of expression stack | |
453 public Address addressOfInterpreterFrameTOS() { | |
454 return getSP(); | |
455 } | |
456 | |
457 /** Expression stack from top down */ | |
458 public Address addressOfInterpreterFrameTOSAt(int slot) { | |
459 return addressOfInterpreterFrameTOS().addOffsetTo(slot * VM.getVM().getAddressSize()); | |
460 } | |
461 | |
462 public Address getInterpreterFrameSenderSP() { | |
463 if (Assert.ASSERTS_ENABLED) { | |
464 Assert.that(isInterpretedFrame(), "interpreted frame expected"); | |
465 } | |
466 return addressOfStackSlot(INTERPRETER_FRAME_SENDER_SP_OFFSET).getAddressAt(0); | |
467 } | |
468 | |
469 // Monitors | |
470 public BasicObjectLock interpreterFrameMonitorBegin() { | |
471 return new BasicObjectLock(addressOfStackSlot(INTERPRETER_FRAME_MONITOR_BLOCK_BOTTOM_OFFSET)); | |
472 } | |
473 | |
474 public BasicObjectLock interpreterFrameMonitorEnd() { | |
475 Address result = addressOfStackSlot(INTERPRETER_FRAME_MONITOR_BLOCK_TOP_OFFSET).getAddressAt(0); | |
476 if (Assert.ASSERTS_ENABLED) { | |
477 // make sure the pointer points inside the frame | |
478 Assert.that(AddressOps.gt(getFP(), result), "result must < than frame pointer"); | |
479 Assert.that(AddressOps.lte(getSP(), result), "result must >= than stack pointer"); | |
480 } | |
481 return new BasicObjectLock(result); | |
482 } | |
483 | |
484 public int interpreterFrameMonitorSize() { | |
485 return BasicObjectLock.size(); | |
486 } | |
487 | |
488 // Method | |
489 public Address addressOfInterpreterFrameMethod() { | |
490 return addressOfStackSlot(INTERPRETER_FRAME_METHOD_OFFSET); | |
491 } | |
492 | |
493 // Constant pool cache | |
494 public Address addressOfInterpreterFrameCPCache() { | |
495 return addressOfStackSlot(INTERPRETER_FRAME_CACHE_OFFSET); | |
496 } | |
497 | |
498 // Entry frames | |
499 public JavaCallWrapper getEntryFrameCallWrapper() { | |
500 return new AMD64JavaCallWrapper(addressOfStackSlot(ENTRY_FRAME_CALL_WRAPPER_OFFSET).getAddressAt(0)); | |
501 } | |
502 | |
503 protected Address addressOfSavedOopResult() { | |
504 // offset is 2 for compiler2 and 3 for compiler1 | |
505 return getSP().addOffsetTo((VM.getVM().isClientCompiler() ? 2 : 3) * | |
506 VM.getVM().getAddressSize()); | |
507 } | |
508 | |
509 protected Address addressOfSavedReceiver() { | |
510 return getSP().addOffsetTo(-4 * VM.getVM().getAddressSize()); | |
511 } | |
512 | |
513 private void dumpStack() { | |
514 if (getFP() != null) { | |
515 for (Address addr = getSP().addOffsetTo(-5 * VM.getVM().getAddressSize()); | |
516 AddressOps.lte(addr, getFP().addOffsetTo(5 * VM.getVM().getAddressSize())); | |
517 addr = addr.addOffsetTo(VM.getVM().getAddressSize())) { | |
518 System.out.println(addr + ": " + addr.getAddressAt(0)); | |
519 } | |
520 } else { | |
521 for (Address addr = getSP().addOffsetTo(-5 * VM.getVM().getAddressSize()); | |
522 AddressOps.lte(addr, getSP().addOffsetTo(20 * VM.getVM().getAddressSize())); | |
523 addr = addr.addOffsetTo(VM.getVM().getAddressSize())) { | |
524 System.out.println(addr + ": " + addr.getAddressAt(0)); | |
525 } | |
526 } | |
527 } | |
528 } |