1 /*
2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 package sun.jvm.hotspot.code;
26
27 import java.io.*;
28 import java.util.*;
29 import sun.jvm.hotspot.debugger.*;
30 import sun.jvm.hotspot.memory.*;
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 public class NMethod extends CodeBlob {
37 private static long pcDescSize;
38 private static AddressField methodField;
39 /** != InvocationEntryBci if this nmethod is an on-stack replacement method */
40 private static CIntegerField entryBCIField;
41 /** To support simple linked-list chaining of nmethods */
42 private static AddressField osrLinkField;
43 private static AddressField scavengeRootLinkField;
44 private static JByteField scavengeRootStateField;
45
46 /** Offsets for different nmethod parts */
47 private static CIntegerField exceptionOffsetField;
48 private static CIntegerField deoptOffsetField;
49 private static CIntegerField deoptMhOffsetField;
50 private static CIntegerField origPCOffsetField;
51 private static CIntegerField stubOffsetField;
52 private static CIntegerField oopsOffsetField;
53 private static CIntegerField metadataOffsetField;
54 private static CIntegerField scopesDataOffsetField;
55 private static CIntegerField scopesPCsOffsetField;
56 private static CIntegerField dependenciesOffsetField;
57 private static CIntegerField handlerTableOffsetField;
58 private static CIntegerField nulChkTableOffsetField;
59 private static CIntegerField nmethodEndOffsetField;
60
61 /** Offsets for entry points */
62 /** Entry point with class check */
63 private static AddressField entryPointField;
64 /** Entry point without class check */
65 private static AddressField verifiedEntryPointField;
66 /** Entry point for on stack replacement */
67 private static AddressField osrEntryPointField;
68
69 // FIXME: add access to flags (how?)
70
71 /** NMethod Flushing lock (if non-zero, then the nmethod is not removed) */
72 private static JIntField lockCountField;
73
74 /** not_entrant method removal. Each mark_sweep pass will update
75 this mark to current sweep invocation count if it is seen on the
76 stack. An not_entrant method can be removed when there is no
77 more activations, i.e., when the _stack_traversal_mark is less than
78 current sweep traversal index. */
79 private static CIntegerField stackTraversalMarkField;
80
81 private static CIntegerField compLevelField;
82
83 static {
84 VM.registerVMInitializedObserver(new Observer() {
85 public void update(Observable o, Object data) {
86 initialize(VM.getVM().getTypeDataBase());
87 }
88 });
89 }
90
91 private static void initialize(TypeDataBase db) {
92 Type type = db.lookupType("nmethod");
93
94 methodField = type.getAddressField("_method");
95 entryBCIField = type.getCIntegerField("_entry_bci");
96 osrLinkField = type.getAddressField("_osr_link");
97 scavengeRootLinkField = type.getAddressField("_scavenge_root_link");
98 scavengeRootStateField = type.getJByteField("_scavenge_root_state");
99
100 exceptionOffsetField = type.getCIntegerField("_exception_offset");
101 deoptOffsetField = type.getCIntegerField("_deoptimize_offset");
102 deoptMhOffsetField = type.getCIntegerField("_deoptimize_mh_offset");
103 origPCOffsetField = type.getCIntegerField("_orig_pc_offset");
104 stubOffsetField = type.getCIntegerField("_stub_offset");
105 oopsOffsetField = type.getCIntegerField("_oops_offset");
106 metadataOffsetField = type.getCIntegerField("_metadata_offset");
107 scopesDataOffsetField = type.getCIntegerField("_scopes_data_offset");
108 scopesPCsOffsetField = type.getCIntegerField("_scopes_pcs_offset");
109 dependenciesOffsetField = type.getCIntegerField("_dependencies_offset");
110 handlerTableOffsetField = type.getCIntegerField("_handler_table_offset");
111 nulChkTableOffsetField = type.getCIntegerField("_nul_chk_table_offset");
112 nmethodEndOffsetField = type.getCIntegerField("_nmethod_end_offset");
113 entryPointField = type.getAddressField("_entry_point");
114 verifiedEntryPointField = type.getAddressField("_verified_entry_point");
115 osrEntryPointField = type.getAddressField("_osr_entry_point");
116 lockCountField = type.getJIntField("_lock_count");
117 stackTraversalMarkField = type.getCIntegerField("_stack_traversal_mark");
118 compLevelField = type.getCIntegerField("_comp_level");
119 pcDescSize = db.lookupType("PcDesc").getSize();
120 }
121
122 public NMethod(Address addr) {
123 super(addr);
124 }
125
126
127 // Accessors
128 public Address getAddress() {
129 return addr;
130 }
131
132 public Method getMethod() {
133 return (Method)Metadata.instantiateWrapperFor(methodField.getValue(addr));
134 }
135
136 // Type info
137 public boolean isNMethod() { return true; }
138 public boolean isJavaMethod() { return !getMethod().isNative(); }
139 public boolean isNativeMethod() { return getMethod().isNative(); }
140 public boolean isOSRMethod() { return getEntryBCI() != VM.getVM().getInvocationEntryBCI(); }
141
142 /** Boundaries for different parts */
143 public Address constantsBegin() { return contentBegin(); }
144 public Address constantsEnd() { return getEntryPoint(); }
145 public Address instsBegin() { return codeBegin(); }
146 public Address instsEnd() { return headerBegin().addOffsetTo(getStubOffset()); }
147 public Address exceptionBegin() { return headerBegin().addOffsetTo(getExceptionOffset()); }
148 public Address deoptHandlerBegin() { return headerBegin().addOffsetTo(getDeoptOffset()); }
149 public Address deoptMhHandlerBegin() { return headerBegin().addOffsetTo(getDeoptMhOffset()); }
150 public Address stubBegin() { return headerBegin().addOffsetTo(getStubOffset()); }
151 public Address stubEnd() { return headerBegin().addOffsetTo(getOopsOffset()); }
152 public Address oopsBegin() { return headerBegin().addOffsetTo(getOopsOffset()); }
153 public Address oopsEnd() { return headerBegin().addOffsetTo(getMetadataOffset()); }
154 public Address metadataBegin() { return headerBegin().addOffsetTo(getMetadataOffset()); }
155 public Address metadataEnd() { return headerBegin().addOffsetTo(getScopesDataOffset()); }
156 public Address scopesDataBegin() { return headerBegin().addOffsetTo(getScopesDataOffset()); }
157 public Address scopesDataEnd() { return headerBegin().addOffsetTo(getScopesPCsOffset()); }
158 public Address scopesPCsBegin() { return headerBegin().addOffsetTo(getScopesPCsOffset()); }
159 public Address scopesPCsEnd() { return headerBegin().addOffsetTo(getDependenciesOffset()); }
160 public Address dependenciesBegin() { return headerBegin().addOffsetTo(getDependenciesOffset()); }
161 public Address dependenciesEnd() { return headerBegin().addOffsetTo(getHandlerTableOffset()); }
162 public Address handlerTableBegin() { return headerBegin().addOffsetTo(getHandlerTableOffset()); }
163 public Address handlerTableEnd() { return headerBegin().addOffsetTo(getNulChkTableOffset()); }
164 public Address nulChkTableBegin() { return headerBegin().addOffsetTo(getNulChkTableOffset()); }
165 public Address nulChkTableEnd() { return headerBegin().addOffsetTo(getNMethodEndOffset()); }
166
167 public int constantsSize() { return (int) constantsEnd() .minus(constantsBegin()); }
168 public int instsSize() { return (int) instsEnd() .minus(instsBegin()); }
169 public int stubSize() { return (int) stubEnd() .minus(stubBegin()); }
170 public int oopsSize() { return (int) oopsEnd() .minus(oopsBegin()); }
171 public int metadataSize() { return (int) metadataEnd() .minus(metadataBegin()); }
172 public int scopesDataSize() { return (int) scopesDataEnd() .minus(scopesDataBegin()); }
173 public int scopesPCsSize() { return (int) scopesPCsEnd() .minus(scopesPCsBegin()); }
174 public int dependenciesSize() { return (int) dependenciesEnd().minus(dependenciesBegin()); }
175 public int handlerTableSize() { return (int) handlerTableEnd().minus(handlerTableBegin()); }
176 public int nulChkTableSize() { return (int) nulChkTableEnd() .minus(nulChkTableBegin()); }
177 public int origPCOffset() { return (int) origPCOffsetField.getValue(addr); }
178
179 public int totalSize() {
180 return
181 constantsSize() +
182 instsSize() +
183 stubSize() +
184 scopesDataSize() +
185 scopesPCsSize() +
186 dependenciesSize() +
187 handlerTableSize() +
188 nulChkTableSize();
189 }
190
191 public boolean constantsContains (Address addr) { return constantsBegin() .lessThanOrEqual(addr) && constantsEnd() .greaterThan(addr); }
192 public boolean instsContains (Address addr) { return instsBegin() .lessThanOrEqual(addr) && instsEnd() .greaterThan(addr); }
193 public boolean stubContains (Address addr) { return stubBegin() .lessThanOrEqual(addr) && stubEnd() .greaterThan(addr); }
194 public boolean oopsContains (Address addr) { return oopsBegin() .lessThanOrEqual(addr) && oopsEnd() .greaterThan(addr); }
195 public boolean metadataContains (Address addr) { return metadataBegin() .lessThanOrEqual(addr) && metadataEnd() .greaterThan(addr); }
196 public boolean scopesDataContains (Address addr) { return scopesDataBegin() .lessThanOrEqual(addr) && scopesDataEnd() .greaterThan(addr); }
197 public boolean scopesPCsContains (Address addr) { return scopesPCsBegin() .lessThanOrEqual(addr) && scopesPCsEnd() .greaterThan(addr); }
198 public boolean handlerTableContains(Address addr) { return handlerTableBegin().lessThanOrEqual(addr) && handlerTableEnd().greaterThan(addr); }
199 public boolean nulChkTableContains (Address addr) { return nulChkTableBegin() .lessThanOrEqual(addr) && nulChkTableEnd() .greaterThan(addr); }
200
201 public int getOopsLength() { return (int) (oopsSize() / VM.getVM().getOopSize()); }
202 public int getMetadataLength() { return (int) (metadataSize() / VM.getVM().getOopSize()); }
203
204 /** Entry points */
205 public Address getEntryPoint() { return entryPointField.getValue(addr); }
206 public Address getVerifiedEntryPoint() { return verifiedEntryPointField.getValue(addr); }
207
208 /** Support for oops in scopes and relocs. Note: index 0 is reserved for null. */
209 public OopHandle getOopAt(int index) {
210 if (index == 0) return null;
211 if (Assert.ASSERTS_ENABLED) {
212 Assert.that(index > 0 && index <= getOopsLength(), "must be a valid non-zero index");
213 }
214 return oopsBegin().getOopHandleAt((index - 1) * VM.getVM().getOopSize());
215 }
216
217 /** Support for metadata in scopes and relocs. Note: index 0 is reserved for null. */
218 public Address getMetadataAt(int index) {
219 if (index == 0) return null;
220 if (Assert.ASSERTS_ENABLED) {
221 Assert.that(index > 0 && index <= getMetadataLength(), "must be a valid non-zero index");
222 }
223 return metadataBegin().getAddressAt((index - 1) * VM.getVM().getOopSize());
224 }
225
226 public Method getMethodAt(int index) {
227 return (Method)Metadata.instantiateWrapperFor(getMetadataAt(index));
228 }
229
230 // FIXME: add interpreter_entry_point()
231 // FIXME: add lazy_interpreter_entry_point() for C2
232
233 // **********
234 // * FIXME: * ADD ACCESS TO FLAGS!!!!
235 // **********
236 // public boolean isInUse();
237 // public boolean isAlive();
238 // public boolean isNotEntrant();
239 // public boolean isZombie();
240
241 // ********************************
242 // * MAJOR FIXME: MAJOR HACK HERE *
243 // ********************************
244 public boolean isZombie() { return false; }
245
246 // public boolean isUnloaded();
247 // public boolean isYoung();
248 // public boolean isOld();
249 // public int age();
250 // public boolean isMarkedForDeoptimization();
251 // public boolean isMarkedForUnloading();
252 // public int level();
253 // public int version();
254
255 // FIXME: add mutators for above
256 // FIXME: add exception cache access?
257
258 /** On-stack replacement support */
259 // FIXME: add mutators
260 public int getOSREntryBCI() {
261 if (Assert.ASSERTS_ENABLED) {
262 Assert.that(getEntryBCI() != VM.getVM().getInvocationEntryBCI(), "wrong kind of nmethod");
263 }
264 return getEntryBCI();
265 }
266
267 public NMethod getOSRLink() {
268 return (NMethod) VMObjectFactory.newObject(NMethod.class, osrLinkField.getValue(addr));
269 }
270
271 public NMethod getScavengeRootLink() {
272 return (NMethod) VMObjectFactory.newObject(NMethod.class, scavengeRootLinkField.getValue(addr));
273 }
274
275 public int getScavengeRootState() {
276 return (int) scavengeRootStateField.getValue(addr);
277 }
278
279 // MethodHandle
280 public boolean isMethodHandleReturn(Address returnPc) {
281 // Hard to read a bit fields from Java and it's only there for performance
282 // so just go directly to the PCDesc
283 // if (!hasMethodHandleInvokes()) return false;
284 PCDesc pd = getPCDescAt(returnPc);
285 if (pd == null)
286 return false;
287 return pd.isMethodHandleInvoke();
288 }
289
290 // Deopt
291 // Return true is the PC is one would expect if the frame is being deopted.
292 public boolean isDeoptPc (Address pc) { return isDeoptEntry(pc) || isDeoptMhEntry(pc); }
293 public boolean isDeoptEntry (Address pc) { return pc == deoptHandlerBegin(); }
294 public boolean isDeoptMhEntry (Address pc) { return pc == deoptMhHandlerBegin(); }
295
296 /** Tells whether frames described by this nmethod can be
297 deoptimized. Note: native wrappers cannot be deoptimized. */
298 public boolean canBeDeoptimized() { return isJavaMethod(); }
299
300 // FIXME: add inline cache support
301 // FIXME: add flush()
302
303 public boolean isLockedByVM() { return lockCountField.getValue(addr) > 0; }
304
305 // FIXME: add mark_as_seen_on_stack
306 // FIXME: add can_not_entrant_be_converted
307
308 // FIXME: add GC support
309 // void follow_roots_or_mark_for_unloading(bool unloading_occurred, bool& marked_for_unloading);
310 // void follow_root_or_mark_for_unloading(oop* root, bool unloading_occurred, bool& marked_for_unloading);
311 // void preserve_callee_argument_oops(frame fr, const RegisterMap *reg_map, void f(oop*));
312 // void adjust_pointers();
313
314 /** Finds a PCDesc with real-pc equal to "pc" */
315 public PCDesc getPCDescAt(Address pc) {
316 // FIXME: consider adding cache like the one down in the VM
317 for (Address p = scopesPCsBegin(); p.lessThan(scopesPCsEnd()); p = p.addOffsetTo(pcDescSize)) {
318 PCDesc pcDesc = new PCDesc(p);
319 if (pcDesc.getRealPC(this).equals(pc)) {
320 return pcDesc;
321 }
322 }
323 return null;
324 }
325
326 /** ScopeDesc for an instruction */
327 public ScopeDesc getScopeDescAt(Address pc) {
328 PCDesc pd = getPCDescAt(pc);
329 if (Assert.ASSERTS_ENABLED) {
330 Assert.that(pd != null, "scope must be present");
331 }
332 return new ScopeDesc(this, pd.getScopeDecodeOffset(), pd.getObjDecodeOffset(), pd.getReexecute());
333 }
334
335 /** This is only for use by the debugging system, and is only
336 intended for use in the topmost frame, where we are not
337 guaranteed to be at a PC for which we have a PCDesc. It finds
338 the PCDesc with realPC closest to the current PC. */
339 public PCDesc getPCDescNearDbg(Address pc) {
340 PCDesc bestGuessPCDesc = null;
341 long bestDistance = 0;
342 for (Address p = scopesPCsBegin(); p.lessThan(scopesPCsEnd()); p = p.addOffsetTo(pcDescSize)) {
343 PCDesc pcDesc = new PCDesc(p);
344 // In case pc is null
345 long distance = -pcDesc.getRealPC(this).minus(pc);
346 if ((bestGuessPCDesc == null) ||
347 ((distance >= 0) && (distance < bestDistance))) {
348 bestGuessPCDesc = pcDesc;
349 bestDistance = distance;
350 }
351 }
352 return bestGuessPCDesc;
353 }
354
355 PCDesc find_pc_desc(long pc, boolean approximate) {
356 return find_pc_desc_internal(pc, approximate);
357 }
358
359 // Finds a PcDesc with real-pc equal to "pc"
360 PCDesc find_pc_desc_internal(long pc, boolean approximate) {
361 long base_address = VM.getAddressValue(codeBegin());
362 int pc_offset = (int) (pc - base_address);
363
364 // Fallback algorithm: quasi-linear search for the PcDesc
365 // Find the last pc_offset less than the given offset.
366 // The successor must be the required match, if there is a match at all.
367 // (Use a fixed radix to avoid expensive affine pointer arithmetic.)
368 Address lower = scopesPCsBegin();
369 Address upper = scopesPCsEnd();
370 upper = upper.addOffsetTo(-pcDescSize); // exclude final sentinel
371 if (lower.greaterThan(upper)) return null; // native method; no PcDescs at all
372
373 // Take giant steps at first (4096, then 256, then 16, then 1)
374 int LOG2_RADIX = 4;
375 int RADIX = (1 << LOG2_RADIX);
376 Address mid;
377 for (int step = (1 << (LOG2_RADIX*3)); step > 1; step >>= LOG2_RADIX) {
378 while ((mid = lower.addOffsetTo(step * pcDescSize)).lessThan(upper)) {
379 PCDesc m = new PCDesc(mid);
380 if (m.getPCOffset() < pc_offset) {
381 lower = mid;
382 } else {
383 upper = mid;
384 break;
385 }
386 }
387 }
388 // Sneak up on the value with a linear search of length ~16.
389 while (true) {
390 mid = lower.addOffsetTo(pcDescSize);
391 PCDesc m = new PCDesc(mid);
392 if (m.getPCOffset() < pc_offset) {
393 lower = mid;
394 } else {
395 upper = mid;
396 break;
397 }
398 }
399
400 PCDesc u = new PCDesc(upper);
401 if (match_desc(u, pc_offset, approximate)) {
402 return u;
403 } else {
404 return null;
405 }
406 }
407
408 // ScopeDesc retrieval operation
409 PCDesc pc_desc_at(long pc) { return find_pc_desc(pc, false); }
410 // pc_desc_near returns the first PCDesc at or after the givne pc.
411 PCDesc pc_desc_near(long pc) { return find_pc_desc(pc, true); }
412
413 // Return a the last scope in (begin..end]
414 public ScopeDesc scope_desc_in(long begin, long end) {
415 PCDesc p = pc_desc_near(begin+1);
416 if (p != null && VM.getAddressValue(p.getRealPC(this)) <= end) {
417 return new ScopeDesc(this, p.getScopeDecodeOffset(), p.getObjDecodeOffset(), p.getReexecute());
418 }
419 return null;
420 }
421
422 static boolean match_desc(PCDesc pc, int pc_offset, boolean approximate) {
423 if (!approximate) {
424 return pc.getPCOffset() == pc_offset;
425 } else {
426 PCDesc prev = new PCDesc(pc.getAddress().addOffsetTo(-pcDescSize));
427 return prev.getPCOffset() < pc_offset && pc_offset <= pc.getPCOffset();
428 }
429 }
430
431 /** This is only for use by the debugging system, and is only
432 intended for use in the topmost frame, where we are not
433 guaranteed to be at a PC for which we have a PCDesc. It finds
434 the ScopeDesc closest to the current PC. NOTE that this may
435 return NULL for compiled methods which don't have any
436 ScopeDescs! */
437 public ScopeDesc getScopeDescNearDbg(Address pc) {
438 PCDesc pd = getPCDescNearDbg(pc);
439 if (pd == null) return null;
440 return new ScopeDesc(this, pd.getScopeDecodeOffset(), pd.getObjDecodeOffset(), pd.getReexecute());
441 }
442
443 public Map/*<Address, PCDesc>*/ getSafepoints() {
444 Map safepoints = new HashMap(); // Map<Address, PCDesc>
445 sun.jvm.hotspot.debugger.Address p = null;
446 for (p = scopesPCsBegin(); p.lessThan(scopesPCsEnd());
447 p = p.addOffsetTo(pcDescSize)) {
448 PCDesc pcDesc = new PCDesc(p);
449 sun.jvm.hotspot.debugger.Address pc = pcDesc.getRealPC(this);
450 safepoints.put(pc, pcDesc);
451 }
452 return safepoints;
453 }
454
455 // FIXME: add getPCOffsetForBCI()
456 // FIXME: add embeddedOopAt()
457 // FIXME: add isDependentOn()
458 // FIXME: add isPatchableAt()
459
460 /** Support for code generation. Only here for proof-of-concept. */
461 public static int getEntryPointOffset() { return (int) entryPointField.getOffset(); }
462 public static int getVerifiedEntryPointOffset() { return (int) verifiedEntryPointField.getOffset(); }
463 public static int getOSREntryPointOffset() { return (int) osrEntryPointField.getOffset(); }
464 public static int getEntryBCIOffset() { return (int) entryBCIField.getOffset(); }
465 /** NOTE: renamed from "method_offset_in_bytes" */
466 public static int getMethodOffset() { return (int) methodField.getOffset(); }
467
468 public void print() {
469 printOn(System.out);
470 }
471
472 protected void printComponentsOn(PrintStream tty) {
473 // FIXME: add relocation information
474 tty.println(" content: [" + contentBegin() + ", " + contentEnd() + "), " +
475 " code: [" + codeBegin() + ", " + codeEnd() + "), " +
476 " data: [" + dataBegin() + ", " + dataEnd() + "), " +
477 " oops: [" + oopsBegin() + ", " + oopsEnd() + "), " +
478 " frame size: " + getFrameSize());
479 }
480
481 public String toString() {
482 Method method = getMethod();
483 return "NMethod for " +
484 method.getMethodHolder().getName().asString() + "." +
485 method.getName().asString() + method.getSignature().asString() + "==>n" +
486 super.toString();
487 }
488
489 public String flagsToString() {
490 // FIXME need access to flags...
491 return "";
492 }
493
494 public String getName() {
495 Method method = getMethod();
496 return "NMethod for " +
497 method.getMethodHolder().getName().asString() + "." +
498 method.getName().asString() +
499 method.getSignature().asString();
500 }
501
502 public void dumpReplayData(PrintStream out) {
503 HashMap h = new HashMap();
504 for (int i = 1; i < getMetadataLength(); i++) {
505 Metadata meta = Metadata.instantiateWrapperFor(getMetadataAt(i));
506 System.err.println(meta);
507 if (h.get(meta) != null) continue;
508 h.put(meta, meta);
509 if (meta instanceof InstanceKlass) {
510 ((InstanceKlass)meta).dumpReplayData(out);
511 } else if (meta instanceof Method) {
512 ((Method)meta).dumpReplayData(out);
513 MethodData mdo = ((Method)meta).getMethodData();
514 if (mdo != null) {
515 mdo.dumpReplayData(out);
516 }
517 }
518 }
519 Method method = getMethod();
520 if (h.get(method) == null) {
521 method.dumpReplayData(out);
522 MethodData mdo = method.getMethodData();
523 if (mdo != null) {
524 mdo.dumpReplayData(out);
525 }
526 }
527 if (h.get(method.getMethodHolder()) == null) {
528 ((InstanceKlass)method.getMethodHolder()).dumpReplayData(out);
529 }
530 Klass holder = method.getMethodHolder();
531 out.println("compile " + holder.getName().asString() + " " +
532 OopUtilities.escapeString(method.getName().asString()) + " " +
533 method.getSignature().asString() + " " +
534 getEntryBCI() + " " + getCompLevel());
535
536 }
537
538 //--------------------------------------------------------------------------------
539 // Internals only below this point
540 //
541
542 private int getEntryBCI() { return (int) entryBCIField .getValue(addr); }
543 private int getExceptionOffset() { return (int) exceptionOffsetField .getValue(addr); }
544 private int getDeoptOffset() { return (int) deoptOffsetField .getValue(addr); }
545 private int getDeoptMhOffset() { return (int) deoptMhOffsetField .getValue(addr); }
546 private int getStubOffset() { return (int) stubOffsetField .getValue(addr); }
547 private int getOopsOffset() { return (int) oopsOffsetField .getValue(addr); }
548 private int getMetadataOffset() { return (int) metadataOffsetField .getValue(addr); }
549 private int getScopesDataOffset() { return (int) scopesDataOffsetField .getValue(addr); }
550 private int getScopesPCsOffset() { return (int) scopesPCsOffsetField .getValue(addr); }
551 private int getDependenciesOffset() { return (int) dependenciesOffsetField.getValue(addr); }
552 private int getHandlerTableOffset() { return (int) handlerTableOffsetField.getValue(addr); }
553 private int getNulChkTableOffset() { return (int) nulChkTableOffsetField .getValue(addr); }
554 private int getNMethodEndOffset() { return (int) nmethodEndOffsetField .getValue(addr); }
555 private int getCompLevel() { return (int) compLevelField .getValue(addr); }
556 }