40 _bootstrapping = false; 41 _methodsCompiled = 0; 42 assert(_instance == NULL, "only one instance allowed"); 43 _instance = this; 44 } 45 46 // Initialization 47 void JVMCICompiler::initialize() { 48 if (!UseCompiler || !EnableJVMCI || !UseJVMCICompiler || !should_perform_init()) { 49 return; 50 } 51 52 set_state(initialized); 53 54 // JVMCI is considered as application code so we need to 55 // stop the VM deferring compilation now. 56 CompilationPolicy::completed_vm_startup(); 57 } 58 59 void JVMCICompiler::bootstrap() { 60 #ifndef PRODUCT 61 // We turn off CompileTheWorld so that compilation requests are not 62 // ignored during bootstrap or that JVMCI can be compiled by C1/C2. 63 FlagSetting ctwOff(CompileTheWorld, false); 64 #endif 65 66 JavaThread* THREAD = JavaThread::current(); 67 _bootstrapping = true; 68 ResourceMark rm; 69 HandleMark hm; 70 if (PrintBootstrap) { 71 tty->print("Bootstrapping JVMCI"); 72 } 73 jlong start = os::javaTimeMillis(); 74 75 Array<Method*>* objectMethods = InstanceKlass::cast(SystemDictionary::Object_klass())->methods(); 76 // Initialize compile queue with a selected set of methods. 77 int len = objectMethods->length(); 78 for (int i = 0; i < len; i++) { 79 methodHandle mh = objectMethods->at(i); 108 _bootstrapping = false; 109 } 110 111 void JVMCICompiler::compile_method(methodHandle method, int entry_bci, JVMCIEnv* env) { 112 JVMCI_EXCEPTION_CONTEXT 113 114 bool is_osr = entry_bci != InvocationEntryBci; 115 if (_bootstrapping && is_osr) { 116 // no OSR compilations during bootstrap - the compiler is just too slow at this point, 117 // and we know that there are no endless loops 118 return; 119 } 120 121 JVMCIRuntime::initialize_well_known_classes(CHECK_ABORT); 122 123 HandleMark hm; 124 ResourceMark rm; 125 Handle receiver = JVMCIRuntime::get_HotSpotJVMCIRuntime(CHECK_ABORT); 126 127 JavaValue method_result(T_OBJECT); 128 { 129 JavaCallArguments args; 130 args.push_long((jlong) (address) method()); 131 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_ABORT); 132 } 133 134 JavaValue result(T_VOID); 135 JavaCallArguments args; 136 args.push_oop(receiver); 137 args.push_oop((oop)method_result.get_jobject()); 138 args.push_int(entry_bci); 139 args.push_long((jlong) (address) env); 140 args.push_int(env->task()->compile_id()); 141 JavaCalls::call_special(&result, receiver->klass(), vmSymbols::compileMethod_name(), vmSymbols::compileMethod_signature(), &args, CHECK_ABORT); 142 143 _methodsCompiled++; 144 } 145 146 147 // Compilation entry point for methods 148 void JVMCICompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci, DirectiveSet* directive) { 149 ShouldNotReachHere(); 150 } 151 152 // Print compilation timers and statistics 153 void JVMCICompiler::print_timers() { 154 print_compilation_timers(); 155 } 156 157 // Print compilation timers and statistics 158 void JVMCICompiler::print_compilation_timers() { 159 TRACE_jvmci_1("JVMCICompiler::print_timers"); 160 tty->print_cr(" JVMCI code install time: %6.3f s", _codeInstallTimer.seconds()); 161 } | 40 _bootstrapping = false; 41 _methodsCompiled = 0; 42 assert(_instance == NULL, "only one instance allowed"); 43 _instance = this; 44 } 45 46 // Initialization 47 void JVMCICompiler::initialize() { 48 if (!UseCompiler || !EnableJVMCI || !UseJVMCICompiler || !should_perform_init()) { 49 return; 50 } 51 52 set_state(initialized); 53 54 // JVMCI is considered as application code so we need to 55 // stop the VM deferring compilation now. 56 CompilationPolicy::completed_vm_startup(); 57 } 58 59 void JVMCICompiler::bootstrap() { 60 if (Arguments::mode() == Arguments::_int) { 61 // Nothing to do in -Xint mode 62 return; 63 } 64 #ifndef PRODUCT 65 // We turn off CompileTheWorld so that compilation requests are not 66 // ignored during bootstrap or that JVMCI can be compiled by C1/C2. 67 FlagSetting ctwOff(CompileTheWorld, false); 68 #endif 69 70 JavaThread* THREAD = JavaThread::current(); 71 _bootstrapping = true; 72 ResourceMark rm; 73 HandleMark hm; 74 if (PrintBootstrap) { 75 tty->print("Bootstrapping JVMCI"); 76 } 77 jlong start = os::javaTimeMillis(); 78 79 Array<Method*>* objectMethods = InstanceKlass::cast(SystemDictionary::Object_klass())->methods(); 80 // Initialize compile queue with a selected set of methods. 81 int len = objectMethods->length(); 82 for (int i = 0; i < len; i++) { 83 methodHandle mh = objectMethods->at(i); 112 _bootstrapping = false; 113 } 114 115 void JVMCICompiler::compile_method(methodHandle method, int entry_bci, JVMCIEnv* env) { 116 JVMCI_EXCEPTION_CONTEXT 117 118 bool is_osr = entry_bci != InvocationEntryBci; 119 if (_bootstrapping && is_osr) { 120 // no OSR compilations during bootstrap - the compiler is just too slow at this point, 121 // and we know that there are no endless loops 122 return; 123 } 124 125 JVMCIRuntime::initialize_well_known_classes(CHECK_ABORT); 126 127 HandleMark hm; 128 ResourceMark rm; 129 Handle receiver = JVMCIRuntime::get_HotSpotJVMCIRuntime(CHECK_ABORT); 130 131 JavaValue method_result(T_OBJECT); 132 JavaCallArguments args; 133 args.push_long((jlong) (address) method()); 134 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), 135 vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, THREAD); 136 137 if (!HAS_PENDING_EXCEPTION) { 138 JavaValue result(T_VOID); 139 JavaCallArguments args; 140 args.push_oop(receiver); 141 args.push_oop((oop)method_result.get_jobject()); 142 args.push_int(entry_bci); 143 args.push_long((jlong) (address) env); 144 args.push_int(env->task()->compile_id()); 145 JavaCalls::call_special(&result, receiver->klass(), 146 vmSymbols::compileMethod_name(), vmSymbols::compileMethod_signature(), &args, THREAD); 147 } 148 149 // An uncaught exception was thrown during compilation. Generally these 150 // should be handled by the Java code in some useful way but if they leak 151 // through to here report them instead of dying or silently ignoring them. 152 if (HAS_PENDING_EXCEPTION) { 153 Handle throwable = PENDING_EXCEPTION; 154 CLEAR_PENDING_EXCEPTION; 155 156 JVMCIRuntime::call_printStackTrace(throwable, THREAD); 157 if (HAS_PENDING_EXCEPTION) { 158 CLEAR_PENDING_EXCEPTION; 159 } 160 161 // Something went wrong so disable compilation at this level 162 method->set_not_compilable(CompLevel_full_optimization); 163 } else { 164 _methodsCompiled++; 165 } 166 } 167 168 169 // Compilation entry point for methods 170 void JVMCICompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci, DirectiveSet* directive) { 171 ShouldNotReachHere(); 172 } 173 174 bool JVMCICompiler::is_trivial(Method* method) { 175 if (_bootstrapping) { 176 return false; 177 } 178 return JVMCIRuntime::treat_as_trivial(method); 179 } 180 181 // Print compilation timers and statistics 182 void JVMCICompiler::print_timers() { 183 print_compilation_timers(); 184 } 185 186 // Print compilation timers and statistics 187 void JVMCICompiler::print_compilation_timers() { 188 TRACE_jvmci_1("JVMCICompiler::print_timers"); 189 tty->print_cr(" JVMCI code install time: %6.3f s", _codeInstallTimer.seconds()); 190 } |