Mercurial > hg > graal-jvmci-8
comparison src/share/vm/runtime/deoptimization.cpp @ 18225:40074f6ac788
Record frame state for deopts with +LogCompilation
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Fri, 31 Oct 2014 11:25:32 -0700 |
parents | 5c1bd485c54b |
children | e04712c8928a |
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18224:bfa20550f0a8 | 18225:40074f6ac788 |
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1229 gather_statistics(reason, Action_none, Bytecodes::_illegal); | 1229 gather_statistics(reason, Action_none, Bytecodes::_illegal); |
1230 | 1230 |
1231 // Patch the nmethod so that when execution returns to it we will | 1231 // Patch the nmethod so that when execution returns to it we will |
1232 // deopt the execution state and return to the interpreter. | 1232 // deopt the execution state and return to the interpreter. |
1233 fr.deoptimize(thread); | 1233 fr.deoptimize(thread); |
1234 | |
1235 if (LogCompilation && xtty != NULL) { | |
1236 nmethod* nm = fr.cb()->as_nmethod_or_null(); | |
1237 assert(nm != NULL, "only nmethods can deopt"); | |
1238 | |
1239 ttyLocker ttyl; | |
1240 xtty->begin_head("deoptimized thread='" UINTX_FORMAT "' compile_id='%d'", | |
1241 thread->osthread()->thread_id(), nm != NULL ? nm->compile_id() : -1); | |
1242 nm->log_identity(xtty); | |
1243 xtty->end_head(); | |
1244 for (ScopeDesc* sd = nm->scope_desc_at(fr.pc()); ; sd = sd->sender()) { | |
1245 xtty->begin_elem("jvms bci='%d'", sd->bci()); | |
1246 xtty->method(sd->method()); | |
1247 xtty->end_elem(); | |
1248 if (sd->is_top()) break; | |
1249 } | |
1250 xtty->tail("deoptimized"); | |
1251 } | |
1234 } | 1252 } |
1235 | 1253 |
1236 void Deoptimization::deoptimize(JavaThread* thread, frame fr, RegisterMap *map) { | 1254 void Deoptimization::deoptimize(JavaThread* thread, frame fr, RegisterMap *map) { |
1237 deoptimize(thread, fr, map, Reason_constraint); | 1255 deoptimize(thread, fr, map, Reason_constraint); |
1238 } | 1256 } |