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comparison src/share/vm/code/nmethod.cpp @ 14726:92aa6797d639

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Backed out merge changeset: b51e29501f30 Backed out merge revision to its first parent (8f483e200405)
author Doug Simon <doug.simon@oracle.com>
date Mon, 24 Mar 2014 21:30:43 +0100
parents b51e29501f30
children b10e42998d01
comparison
equal deleted inserted replaced
14719:0bdd0d157040 14726:92aa6797d639
37 #include "oops/methodData.hpp" 37 #include "oops/methodData.hpp"
38 #include "prims/jvmtiRedefineClassesTrace.hpp" 38 #include "prims/jvmtiRedefineClassesTrace.hpp"
39 #include "prims/jvmtiImpl.hpp" 39 #include "prims/jvmtiImpl.hpp"
40 #include "runtime/sharedRuntime.hpp" 40 #include "runtime/sharedRuntime.hpp"
41 #include "runtime/sweeper.hpp" 41 #include "runtime/sweeper.hpp"
42 #include "utilities/resourceHash.hpp"
43 #include "utilities/dtrace.hpp" 42 #include "utilities/dtrace.hpp"
44 #include "utilities/events.hpp" 43 #include "utilities/events.hpp"
45 #include "utilities/xmlstream.hpp" 44 #include "utilities/xmlstream.hpp"
46 #ifdef SHARK 45 #ifdef SHARK
47 #include "shark/sharkCompiler.hpp" 46 #include "shark/sharkCompiler.hpp"
2267 ResourceMark rm; 2266 ResourceMark rm;
2268 2267
2269 // Turn off dependency tracing while actually testing dependencies. 2268 // Turn off dependency tracing while actually testing dependencies.
2270 NOT_PRODUCT( FlagSetting fs(TraceDependencies, false) ); 2269 NOT_PRODUCT( FlagSetting fs(TraceDependencies, false) );
2271 2270
2272 typedef ResourceHashtable<DependencySignature, int, &DependencySignature::hash, 2271 GenericHashtable<DependencySignature, ResourceObj>* table = new GenericHashtable<DependencySignature, ResourceObj>(11027);
2273 &DependencySignature::equals, 11027> DepTable;
2274
2275 DepTable* table = new DepTable();
2276
2277 // Iterate over live nmethods and check dependencies of all nmethods that are not 2272 // Iterate over live nmethods and check dependencies of all nmethods that are not
2278 // marked for deoptimization. A particular dependency is only checked once. 2273 // marked for deoptimization. A particular dependency is only checked once.
2279 for(nmethod* nm = CodeCache::alive_nmethod(CodeCache::first()); nm != NULL; nm = CodeCache::alive_nmethod(CodeCache::next(nm))) { 2274 for(nmethod* nm = CodeCache::alive_nmethod(CodeCache::first()); nm != NULL; nm = CodeCache::alive_nmethod(CodeCache::next(nm))) {
2280 if (!nm->is_marked_for_deoptimization()) { 2275 if (!nm->is_marked_for_deoptimization()) {
2281 for (Dependencies::DepStream deps(nm); deps.next(); ) { 2276 for (Dependencies::DepStream deps(nm); deps.next(); ) {
2282 // Construct abstraction of a dependency. 2277 // Construct abstraction of a dependency.
2283 DependencySignature* current_sig = new DependencySignature(deps); 2278 DependencySignature* current_sig = new DependencySignature(deps);
2284 2279 // Determine if 'deps' is already checked. table->add() returns
2285 // Determine if dependency is already checked. table->put(...) returns 2280 // 'true' if the dependency was added (i.e., was not in the hashtable).
2286 // 'true' if the dependency is added (i.e., was not in the hashtable). 2281 if (table->add(current_sig)) {
2287 if (table->put(*current_sig, 1)) {
2288 if (deps.check_dependency() != NULL) { 2282 if (deps.check_dependency() != NULL) {
2289 // Dependency checking failed. Print out information about the failed 2283 // Dependency checking failed. Print out information about the failed
2290 // dependency and finally fail with an assert. We can fail here, since 2284 // dependency and finally fail with an assert. We can fail here, since
2291 // dependency checking is never done in a product build. 2285 // dependency checking is never done in a product build.
2292 changes.print(); 2286 changes.print();