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comparison agent/src/share/classes/sun/jvm/hotspot/code/NMethod.java @ 1040:873ec3787992

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6892186: SA does not dump debug info for scalar replaced objects Summary: Implement scalar replaced objects debug info dump in SA. Reviewed-by: twisti
author kvn
date Wed, 21 Oct 2009 09:15:33 -0700
parents 148e5441d916
children c18cbe5936b8 1a5913bf5e19
comparison
equal deleted inserted replaced
1039:987e948ebbc8 1040:873ec3787992
40 /** != InvocationEntryBci if this nmethod is an on-stack replacement method */ 40 /** != InvocationEntryBci if this nmethod is an on-stack replacement method */
41 private static CIntegerField entryBCIField; 41 private static CIntegerField entryBCIField;
42 /** To support simple linked-list chaining of nmethods */ 42 /** To support simple linked-list chaining of nmethods */
43 private static AddressField osrLinkField; 43 private static AddressField osrLinkField;
44 private static AddressField scavengeRootLinkField; 44 private static AddressField scavengeRootLinkField;
45 private static CIntegerField scavengeRootStateField; 45 private static JByteField scavengeRootStateField;
46 46
47 /** Offsets for different nmethod parts */ 47 /** Offsets for different nmethod parts */
48 private static CIntegerField exceptionOffsetField; 48 private static CIntegerField exceptionOffsetField;
49 private static CIntegerField deoptOffsetField; 49 private static CIntegerField deoptOffsetField;
50 private static CIntegerField origPCOffsetField; 50 private static CIntegerField origPCOffsetField;
90 zombieInstructionSizeField = type.getCIntegerField("_zombie_instruction_size"); 90 zombieInstructionSizeField = type.getCIntegerField("_zombie_instruction_size");
91 methodField = type.getOopField("_method"); 91 methodField = type.getOopField("_method");
92 entryBCIField = type.getCIntegerField("_entry_bci"); 92 entryBCIField = type.getCIntegerField("_entry_bci");
93 osrLinkField = type.getAddressField("_osr_link"); 93 osrLinkField = type.getAddressField("_osr_link");
94 scavengeRootLinkField = type.getAddressField("_scavenge_root_link"); 94 scavengeRootLinkField = type.getAddressField("_scavenge_root_link");
95 scavengeRootStateField = type.getCIntegerField("_scavenge_root_state"); 95 scavengeRootStateField = type.getJByteField("_scavenge_root_state");
96 96
97 exceptionOffsetField = type.getCIntegerField("_exception_offset"); 97 exceptionOffsetField = type.getCIntegerField("_exception_offset");
98 deoptOffsetField = type.getCIntegerField("_deoptimize_offset"); 98 deoptOffsetField = type.getCIntegerField("_deoptimize_offset");
99 origPCOffsetField = type.getCIntegerField("_orig_pc_offset"); 99 origPCOffsetField = type.getCIntegerField("_orig_pc_offset");
100 stubOffsetField = type.getCIntegerField("_stub_offset"); 100 stubOffsetField = type.getCIntegerField("_stub_offset");
272 public ScopeDesc getScopeDescAt(Address pc) { 272 public ScopeDesc getScopeDescAt(Address pc) {
273 PCDesc pd = getPCDescAt(pc); 273 PCDesc pd = getPCDescAt(pc);
274 if (Assert.ASSERTS_ENABLED) { 274 if (Assert.ASSERTS_ENABLED) {
275 Assert.that(pd != null, "scope must be present"); 275 Assert.that(pd != null, "scope must be present");
276 } 276 }
277 return new ScopeDesc(this, pd.getScopeDecodeOffset(), pd.getReexecute()); 277 return new ScopeDesc(this, pd.getScopeDecodeOffset(), pd.getObjDecodeOffset(), pd.getReexecute());
278 } 278 }
279 279
280 /** This is only for use by the debugging system, and is only 280 /** This is only for use by the debugging system, and is only
281 intended for use in the topmost frame, where we are not 281 intended for use in the topmost frame, where we are not
282 guaranteed to be at a PC for which we have a PCDesc. It finds 282 guaranteed to be at a PC for which we have a PCDesc. It finds
304 return NULL for compiled methods which don't have any 304 return NULL for compiled methods which don't have any
305 ScopeDescs! */ 305 ScopeDescs! */
306 public ScopeDesc getScopeDescNearDbg(Address pc) { 306 public ScopeDesc getScopeDescNearDbg(Address pc) {
307 PCDesc pd = getPCDescNearDbg(pc); 307 PCDesc pd = getPCDescNearDbg(pc);
308 if (pd == null) return null; 308 if (pd == null) return null;
309 return new ScopeDesc(this, pd.getScopeDecodeOffset(), pd.getReexecute()); 309 return new ScopeDesc(this, pd.getScopeDecodeOffset(), pd.getObjDecodeOffset(), pd.getReexecute());
310 } 310 }
311 311
312 public Map/*<Address, PcDesc>*/ getSafepoints() { 312 public Map/*<Address, PCDesc>*/ getSafepoints() {
313 Map safepoints = new HashMap(); // Map<Address, PcDesc> 313 Map safepoints = new HashMap(); // Map<Address, PCDesc>
314 sun.jvm.hotspot.debugger.Address p = null; 314 sun.jvm.hotspot.debugger.Address p = null;
315 for (p = scopesPCsBegin(); p.lessThan(scopesPCsEnd()); 315 for (p = scopesPCsBegin(); p.lessThan(scopesPCsEnd());
316 p = p.addOffsetTo(pcDescSize)) { 316 p = p.addOffsetTo(pcDescSize)) {
317 PCDesc pcDesc = new PCDesc(p); 317 PCDesc pcDesc = new PCDesc(p);
318 sun.jvm.hotspot.debugger.Address pc = pcDesc.getRealPC(this); 318 sun.jvm.hotspot.debugger.Address pc = pcDesc.getRealPC(this);