Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/code/NMethod.java @ 3908:7588156f5cf9
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Reviewed-by: kvn
| author | never |
|---|---|
| date | Mon, 05 Sep 2011 17:09:05 -0700 |
| parents | 3e8fbc61cee8 |
| children | f6f3bb0ee072 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1579 | 2 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 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 sun.jvm.hotspot.types.OopField 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 */ | |
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42 private static AddressField osrLinkField; |
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43 private static AddressField scavengeRootLinkField; |
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44 private static JByteField scavengeRootStateField; |
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45 |
| 0 | 46 /** Offsets for different nmethod parts */ |
| 47 private static CIntegerField exceptionOffsetField; | |
| 48 private static CIntegerField deoptOffsetField; | |
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49 private static CIntegerField deoptMhOffsetField; |
| 0 | 50 private static CIntegerField origPCOffsetField; |
| 51 private static CIntegerField stubOffsetField; | |
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52 private static CIntegerField oopsOffsetField; |
| 0 | 53 private static CIntegerField scopesDataOffsetField; |
| 54 private static CIntegerField scopesPCsOffsetField; | |
| 55 private static CIntegerField dependenciesOffsetField; | |
| 56 private static CIntegerField handlerTableOffsetField; | |
| 57 private static CIntegerField nulChkTableOffsetField; | |
| 58 private static CIntegerField nmethodEndOffsetField; | |
| 59 | |
| 60 /** Offsets for entry points */ | |
| 61 /** Entry point with class check */ | |
| 62 private static AddressField entryPointField; | |
| 63 /** Entry point without class check */ | |
| 64 private static AddressField verifiedEntryPointField; | |
| 65 /** Entry point for on stack replacement */ | |
| 66 private static AddressField osrEntryPointField; | |
| 67 | |
| 68 // FIXME: add access to flags (how?) | |
| 69 | |
| 70 /** NMethod Flushing lock (if non-zero, then the nmethod is not removed) */ | |
| 71 private static JIntField lockCountField; | |
| 72 | |
| 73 /** not_entrant method removal. Each mark_sweep pass will update | |
| 74 this mark to current sweep invocation count if it is seen on the | |
| 75 stack. An not_entrant method can be removed when there is no | |
| 76 more activations, i.e., when the _stack_traversal_mark is less than | |
| 77 current sweep traversal index. */ | |
| 78 private static CIntegerField stackTraversalMarkField; | |
| 79 | |
| 80 static { | |
| 81 VM.registerVMInitializedObserver(new Observer() { | |
| 82 public void update(Observable o, Object data) { | |
| 83 initialize(VM.getVM().getTypeDataBase()); | |
| 84 } | |
| 85 }); | |
| 86 } | |
| 87 | |
| 88 private static void initialize(TypeDataBase db) { | |
| 89 Type type = db.lookupType("nmethod"); | |
| 90 | |
| 91 methodField = type.getOopField("_method"); | |
| 92 entryBCIField = type.getCIntegerField("_entry_bci"); | |
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93 osrLinkField = type.getAddressField("_osr_link"); |
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94 scavengeRootLinkField = type.getAddressField("_scavenge_root_link"); |
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95 scavengeRootStateField = type.getJByteField("_scavenge_root_state"); |
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96 |
| 0 | 97 exceptionOffsetField = type.getCIntegerField("_exception_offset"); |
| 98 deoptOffsetField = type.getCIntegerField("_deoptimize_offset"); | |
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99 deoptMhOffsetField = type.getCIntegerField("_deoptimize_mh_offset"); |
| 0 | 100 origPCOffsetField = type.getCIntegerField("_orig_pc_offset"); |
| 101 stubOffsetField = type.getCIntegerField("_stub_offset"); | |
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102 oopsOffsetField = type.getCIntegerField("_oops_offset"); |
| 0 | 103 scopesDataOffsetField = type.getCIntegerField("_scopes_data_offset"); |
| 104 scopesPCsOffsetField = type.getCIntegerField("_scopes_pcs_offset"); | |
| 105 dependenciesOffsetField = type.getCIntegerField("_dependencies_offset"); | |
| 106 handlerTableOffsetField = type.getCIntegerField("_handler_table_offset"); | |
| 107 nulChkTableOffsetField = type.getCIntegerField("_nul_chk_table_offset"); | |
| 108 nmethodEndOffsetField = type.getCIntegerField("_nmethod_end_offset"); | |
| 109 entryPointField = type.getAddressField("_entry_point"); | |
| 110 verifiedEntryPointField = type.getAddressField("_verified_entry_point"); | |
| 111 osrEntryPointField = type.getAddressField("_osr_entry_point"); | |
| 112 lockCountField = type.getJIntField("_lock_count"); | |
| 113 stackTraversalMarkField = type.getCIntegerField("_stack_traversal_mark"); | |
| 114 | |
| 115 pcDescSize = db.lookupType("PcDesc").getSize(); | |
| 116 } | |
| 117 | |
| 118 public NMethod(Address addr) { | |
| 119 super(addr); | |
| 120 } | |
| 121 | |
| 122 | |
| 123 // Accessors | |
| 124 public Address getAddress() { | |
| 125 return addr; | |
| 126 } | |
| 127 | |
| 128 public Method getMethod() { | |
| 129 return (Method) VM.getVM().getObjectHeap().newOop(methodField.getValue(addr)); | |
| 130 } | |
| 131 | |
| 132 // Type info | |
| 133 public boolean isNMethod() { return true; } | |
| 134 public boolean isJavaMethod() { return !getMethod().isNative(); } | |
| 135 public boolean isNativeMethod() { return getMethod().isNative(); } | |
| 136 public boolean isOSRMethod() { return getEntryBCI() != VM.getVM().getInvocationEntryBCI(); } | |
| 137 | |
| 138 /** Boundaries for different parts */ | |
| 1748 | 139 public Address constantsBegin() { return contentBegin(); } |
| 0 | 140 public Address constantsEnd() { return getEntryPoint(); } |
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141 public Address instsBegin() { return codeBegin(); } |
| 1748 | 142 public Address instsEnd() { return headerBegin().addOffsetTo(getStubOffset()); } |
| 0 | 143 public Address exceptionBegin() { return headerBegin().addOffsetTo(getExceptionOffset()); } |
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144 public Address deoptHandlerBegin() { return headerBegin().addOffsetTo(getDeoptOffset()); } |
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145 public Address deoptMhHandlerBegin() { return headerBegin().addOffsetTo(getDeoptMhOffset()); } |
| 0 | 146 public Address stubBegin() { return headerBegin().addOffsetTo(getStubOffset()); } |
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147 public Address stubEnd() { return headerBegin().addOffsetTo(getOopsOffset()); } |
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148 public Address oopsBegin() { return headerBegin().addOffsetTo(getOopsOffset()); } |
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149 public Address oopsEnd() { return headerBegin().addOffsetTo(getScopesDataOffset()); } |
| 0 | 150 public Address scopesDataBegin() { return headerBegin().addOffsetTo(getScopesDataOffset()); } |
| 151 public Address scopesDataEnd() { return headerBegin().addOffsetTo(getScopesPCsOffset()); } | |
| 152 public Address scopesPCsBegin() { return headerBegin().addOffsetTo(getScopesPCsOffset()); } | |
| 153 public Address scopesPCsEnd() { return headerBegin().addOffsetTo(getDependenciesOffset()); } | |
| 154 public Address dependenciesBegin() { return headerBegin().addOffsetTo(getDependenciesOffset()); } | |
| 155 public Address dependenciesEnd() { return headerBegin().addOffsetTo(getHandlerTableOffset()); } | |
| 156 public Address handlerTableBegin() { return headerBegin().addOffsetTo(getHandlerTableOffset()); } | |
| 157 public Address handlerTableEnd() { return headerBegin().addOffsetTo(getNulChkTableOffset()); } | |
| 158 public Address nulChkTableBegin() { return headerBegin().addOffsetTo(getNulChkTableOffset()); } | |
| 159 public Address nulChkTableEnd() { return headerBegin().addOffsetTo(getNMethodEndOffset()); } | |
| 160 | |
| 161 public int constantsSize() { return (int) constantsEnd() .minus(constantsBegin()); } | |
| 1748 | 162 public int instsSize() { return (int) instsEnd() .minus(instsBegin()); } |
| 0 | 163 public int stubSize() { return (int) stubEnd() .minus(stubBegin()); } |
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164 public int oopsSize() { return (int) oopsEnd() .minus(oopsBegin()); } |
| 0 | 165 public int scopesDataSize() { return (int) scopesDataEnd() .minus(scopesDataBegin()); } |
| 166 public int scopesPCsSize() { return (int) scopesPCsEnd() .minus(scopesPCsBegin()); } | |
| 167 public int dependenciesSize() { return (int) dependenciesEnd().minus(dependenciesBegin()); } | |
| 168 public int handlerTableSize() { return (int) handlerTableEnd().minus(handlerTableBegin()); } | |
| 169 public int nulChkTableSize() { return (int) nulChkTableEnd() .minus(nulChkTableBegin()); } | |
| 170 public int origPCOffset() { return (int) origPCOffsetField.getValue(addr); } | |
| 171 | |
| 172 public int totalSize() { | |
| 173 return | |
| 174 constantsSize() + | |
| 1748 | 175 instsSize() + |
| 0 | 176 stubSize() + |
| 177 scopesDataSize() + | |
| 178 scopesPCsSize() + | |
| 179 dependenciesSize() + | |
| 180 handlerTableSize() + | |
| 181 nulChkTableSize(); | |
| 182 } | |
| 183 | |
| 184 public boolean constantsContains (Address addr) { return constantsBegin() .lessThanOrEqual(addr) && constantsEnd() .greaterThan(addr); } | |
| 1748 | 185 public boolean instsContains (Address addr) { return instsBegin() .lessThanOrEqual(addr) && instsEnd() .greaterThan(addr); } |
| 0 | 186 public boolean stubContains (Address addr) { return stubBegin() .lessThanOrEqual(addr) && stubEnd() .greaterThan(addr); } |
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187 public boolean oopsContains (Address addr) { return oopsBegin() .lessThanOrEqual(addr) && oopsEnd() .greaterThan(addr); } |
| 0 | 188 public boolean scopesDataContains (Address addr) { return scopesDataBegin() .lessThanOrEqual(addr) && scopesDataEnd() .greaterThan(addr); } |
| 189 public boolean scopesPCsContains (Address addr) { return scopesPCsBegin() .lessThanOrEqual(addr) && scopesPCsEnd() .greaterThan(addr); } | |
| 190 public boolean handlerTableContains(Address addr) { return handlerTableBegin().lessThanOrEqual(addr) && handlerTableEnd().greaterThan(addr); } | |
| 191 public boolean nulChkTableContains (Address addr) { return nulChkTableBegin() .lessThanOrEqual(addr) && nulChkTableEnd() .greaterThan(addr); } | |
| 192 | |
| 193 /** Entry points */ | |
| 194 public Address getEntryPoint() { return entryPointField.getValue(addr); } | |
| 195 public Address getVerifiedEntryPoint() { return verifiedEntryPointField.getValue(addr); } | |
| 196 | |
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197 /** Support for oops in scopes and relocs. Note: index 0 is reserved for null. */ |
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198 public OopHandle getOopAt(int index) { |
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199 if (index == 0) return null; |
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200 if (Assert.ASSERTS_ENABLED) { |
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201 Assert.that(index > 0 && index <= oopsSize(), "must be a valid non-zero index"); |
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202 } |
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203 return oopsBegin().getOopHandleAt((index - 1) * VM.getVM().getOopSize()); |
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204 } |
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205 |
| 0 | 206 // FIXME: add interpreter_entry_point() |
| 207 // FIXME: add lazy_interpreter_entry_point() for C2 | |
| 208 | |
| 209 // ********** | |
| 210 // * FIXME: * ADD ACCESS TO FLAGS!!!! | |
| 211 // ********** | |
| 212 // public boolean isInUse(); | |
| 213 // public boolean isAlive(); | |
| 214 // public boolean isNotEntrant(); | |
| 215 // public boolean isZombie(); | |
| 216 | |
| 217 // ******************************** | |
| 218 // * MAJOR FIXME: MAJOR HACK HERE * | |
| 219 // ******************************** | |
| 220 public boolean isZombie() { return false; } | |
| 221 | |
| 222 // public boolean isUnloaded(); | |
| 223 // public boolean isYoung(); | |
| 224 // public boolean isOld(); | |
| 225 // public int age(); | |
| 226 // public boolean isMarkedForDeoptimization(); | |
| 227 // public boolean isMarkedForUnloading(); | |
| 228 // public boolean isMarkedForReclamation(); | |
| 229 // public int level(); | |
| 230 // public int version(); | |
| 231 | |
| 232 // FIXME: add mutators for above | |
| 233 // FIXME: add exception cache access? | |
| 234 | |
| 235 /** On-stack replacement support */ | |
| 236 // FIXME: add mutators | |
| 237 public int getOSREntryBCI() { | |
| 238 if (Assert.ASSERTS_ENABLED) { | |
| 239 Assert.that(getEntryBCI() != VM.getVM().getInvocationEntryBCI(), "wrong kind of nmethod"); | |
| 240 } | |
| 241 return getEntryBCI(); | |
| 242 } | |
| 243 | |
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244 public NMethod getOSRLink() { |
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245 return (NMethod) VMObjectFactory.newObject(NMethod.class, osrLinkField.getValue(addr)); |
| 0 | 246 } |
| 247 | |
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248 public NMethod getScavengeRootLink() { |
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249 return (NMethod) VMObjectFactory.newObject(NMethod.class, scavengeRootLinkField.getValue(addr)); |
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250 } |
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251 |
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252 public int getScavengeRootState() { |
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253 return (int) scavengeRootStateField.getValue(addr); |
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254 } |
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255 |
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256 // MethodHandle |
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257 public boolean isMethodHandleReturn(Address returnPc) { |
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258 // Hard to read a bit fields from Java and it's only there for performance |
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259 // so just go directly to the PCDesc |
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260 // if (!hasMethodHandleInvokes()) return false; |
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261 PCDesc pd = getPCDescAt(returnPc); |
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262 if (pd == null) |
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263 return false; |
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264 return pd.isMethodHandleInvoke(); |
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265 } |
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266 |
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267 // Deopt |
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268 // Return true is the PC is one would expect if the frame is being deopted. |
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269 public boolean isDeoptPc (Address pc) { return isDeoptEntry(pc) || isDeoptMhEntry(pc); } |
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270 public boolean isDeoptEntry (Address pc) { return pc == deoptHandlerBegin(); } |
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271 public boolean isDeoptMhEntry (Address pc) { return pc == deoptMhHandlerBegin(); } |
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272 |
| 0 | 273 /** Tells whether frames described by this nmethod can be |
| 274 deoptimized. Note: native wrappers cannot be deoptimized. */ | |
| 275 public boolean canBeDeoptimized() { return isJavaMethod(); } | |
| 276 | |
| 277 // FIXME: add inline cache support | |
| 278 // FIXME: add flush() | |
| 279 | |
| 280 public boolean isLockedByVM() { return lockCountField.getValue(addr) > 0; } | |
| 281 | |
| 282 // FIXME: add mark_as_seen_on_stack | |
| 283 // FIXME: add can_not_entrant_be_converted | |
| 284 | |
| 285 // FIXME: add GC support | |
| 286 // void follow_roots_or_mark_for_unloading(bool unloading_occurred, bool& marked_for_unloading); | |
| 287 // void follow_root_or_mark_for_unloading(oop* root, bool unloading_occurred, bool& marked_for_unloading); | |
| 288 // void preserve_callee_argument_oops(frame fr, const RegisterMap *reg_map, void f(oop*)); | |
| 289 // void adjust_pointers(); | |
| 290 | |
| 291 /** Finds a PCDesc with real-pc equal to "pc" */ | |
| 292 public PCDesc getPCDescAt(Address pc) { | |
| 293 // FIXME: consider adding cache like the one down in the VM | |
| 294 for (Address p = scopesPCsBegin(); p.lessThan(scopesPCsEnd()); p = p.addOffsetTo(pcDescSize)) { | |
| 295 PCDesc pcDesc = new PCDesc(p); | |
| 296 if (pcDesc.getRealPC(this).equals(pc)) { | |
| 297 return pcDesc; | |
| 298 } | |
| 299 } | |
| 300 return null; | |
| 301 } | |
| 302 | |
| 303 /** ScopeDesc for an instruction */ | |
| 304 public ScopeDesc getScopeDescAt(Address pc) { | |
| 305 PCDesc pd = getPCDescAt(pc); | |
| 306 if (Assert.ASSERTS_ENABLED) { | |
| 307 Assert.that(pd != null, "scope must be present"); | |
| 308 } | |
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309 return new ScopeDesc(this, pd.getScopeDecodeOffset(), pd.getObjDecodeOffset(), pd.getReexecute()); |
| 0 | 310 } |
| 311 | |
| 312 /** This is only for use by the debugging system, and is only | |
| 313 intended for use in the topmost frame, where we are not | |
| 314 guaranteed to be at a PC for which we have a PCDesc. It finds | |
| 315 the PCDesc with realPC closest to the current PC. */ | |
| 316 public PCDesc getPCDescNearDbg(Address pc) { | |
| 317 PCDesc bestGuessPCDesc = null; | |
| 318 long bestDistance = 0; | |
| 319 for (Address p = scopesPCsBegin(); p.lessThan(scopesPCsEnd()); p = p.addOffsetTo(pcDescSize)) { | |
| 320 PCDesc pcDesc = new PCDesc(p); | |
| 321 // In case pc is null | |
| 322 long distance = -pcDesc.getRealPC(this).minus(pc); | |
| 323 if ((bestGuessPCDesc == null) || | |
| 324 ((distance >= 0) && (distance < bestDistance))) { | |
| 325 bestGuessPCDesc = pcDesc; | |
| 326 bestDistance = distance; | |
| 327 } | |
| 328 } | |
| 329 return bestGuessPCDesc; | |
| 330 } | |
| 331 | |
| 332 /** This is only for use by the debugging system, and is only | |
| 333 intended for use in the topmost frame, where we are not | |
| 334 guaranteed to be at a PC for which we have a PCDesc. It finds | |
| 335 the ScopeDesc closest to the current PC. NOTE that this may | |
| 336 return NULL for compiled methods which don't have any | |
| 337 ScopeDescs! */ | |
| 338 public ScopeDesc getScopeDescNearDbg(Address pc) { | |
| 339 PCDesc pd = getPCDescNearDbg(pc); | |
| 340 if (pd == null) return null; | |
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341 return new ScopeDesc(this, pd.getScopeDecodeOffset(), pd.getObjDecodeOffset(), pd.getReexecute()); |
| 0 | 342 } |
| 343 | |
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344 public Map/*<Address, PCDesc>*/ getSafepoints() { |
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345 Map safepoints = new HashMap(); // Map<Address, PCDesc> |
| 0 | 346 sun.jvm.hotspot.debugger.Address p = null; |
| 347 for (p = scopesPCsBegin(); p.lessThan(scopesPCsEnd()); | |
| 348 p = p.addOffsetTo(pcDescSize)) { | |
| 349 PCDesc pcDesc = new PCDesc(p); | |
| 350 sun.jvm.hotspot.debugger.Address pc = pcDesc.getRealPC(this); | |
| 351 safepoints.put(pc, pcDesc); | |
| 352 } | |
| 353 return safepoints; | |
| 354 } | |
| 355 | |
| 356 // FIXME: add getPCOffsetForBCI() | |
| 357 // FIXME: add embeddedOopAt() | |
| 358 // FIXME: add isDependentOn() | |
| 359 // FIXME: add isPatchableAt() | |
| 360 | |
| 361 /** Support for code generation. Only here for proof-of-concept. */ | |
| 362 public static int getEntryPointOffset() { return (int) entryPointField.getOffset(); } | |
| 363 public static int getVerifiedEntryPointOffset() { return (int) verifiedEntryPointField.getOffset(); } | |
| 364 public static int getOSREntryPointOffset() { return (int) osrEntryPointField.getOffset(); } | |
| 365 public static int getEntryBCIOffset() { return (int) entryBCIField.getOffset(); } | |
| 366 /** NOTE: renamed from "method_offset_in_bytes" */ | |
| 367 public static int getMethodOffset() { return (int) methodField.getOffset(); } | |
| 368 | |
| 369 public void print() { | |
| 370 printOn(System.out); | |
| 371 } | |
| 372 | |
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373 protected void printComponentsOn(PrintStream tty) { |
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374 // FIXME: add relocation information |
| 1748 | 375 tty.println(" content: [" + contentBegin() + ", " + contentEnd() + "), " + |
| 376 " code: [" + codeBegin() + ", " + codeEnd() + "), " + | |
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377 " data: [" + dataBegin() + ", " + dataEnd() + "), " + |
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378 " oops: [" + oopsBegin() + ", " + oopsEnd() + "), " + |
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379 " frame size: " + getFrameSize()); |
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380 } |
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381 |
| 0 | 382 public String toString() { |
| 383 Method method = getMethod(); | |
| 384 return "NMethod for " + | |
| 385 method.getMethodHolder().getName().asString() + "." + | |
| 386 method.getName().asString() + method.getSignature().asString() + "==>n" + | |
| 387 super.toString(); | |
| 388 } | |
| 389 | |
| 390 public String flagsToString() { | |
| 391 // FIXME need access to flags... | |
| 392 return ""; | |
| 393 } | |
| 394 | |
| 395 public String getName() { | |
| 396 Method method = getMethod(); | |
| 397 return "NMethod for " + | |
| 398 method.getMethodHolder().getName().asString() + "." + | |
| 399 method.getName().asString() + | |
| 400 method.getSignature().asString(); | |
| 401 } | |
| 402 | |
| 403 //-------------------------------------------------------------------------------- | |
| 404 // Internals only below this point | |
| 405 // | |
| 406 | |
| 407 private int getEntryBCI() { return (int) entryBCIField .getValue(addr); } | |
| 408 private int getExceptionOffset() { return (int) exceptionOffsetField .getValue(addr); } | |
| 409 private int getDeoptOffset() { return (int) deoptOffsetField .getValue(addr); } | |
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410 private int getDeoptMhOffset() { return (int) deoptMhOffsetField .getValue(addr); } |
| 0 | 411 private int getStubOffset() { return (int) stubOffsetField .getValue(addr); } |
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412 private int getOopsOffset() { return (int) oopsOffsetField .getValue(addr); } |
| 0 | 413 private int getScopesDataOffset() { return (int) scopesDataOffsetField .getValue(addr); } |
| 414 private int getScopesPCsOffset() { return (int) scopesPCsOffsetField .getValue(addr); } | |
| 415 private int getDependenciesOffset() { return (int) dependenciesOffsetField.getValue(addr); } | |
| 416 private int getHandlerTableOffset() { return (int) handlerTableOffsetField.getValue(addr); } | |
| 417 private int getNulChkTableOffset() { return (int) nulChkTableOffsetField .getValue(addr); } | |
| 418 private int getNMethodEndOffset() { return (int) nmethodEndOffsetField .getValue(addr); } | |
| 419 } |