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src/share/vm/jvmci/jvmciCompiler.cpp

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rev 11184 : 8156034: [JVMCI] Notify the jvmci compiler on completion of a bootstrap


  22  */
  23 
  24 #include "precompiled.hpp"
  25 #include "memory/oopFactory.hpp"
  26 #include "memory/resourceArea.hpp"
  27 #include "oops/oop.inline.hpp"
  28 #include "runtime/javaCalls.hpp"
  29 #include "runtime/handles.hpp"
  30 #include "jvmci/jvmciJavaClasses.hpp"
  31 #include "jvmci/jvmciCompiler.hpp"
  32 #include "jvmci/jvmciEnv.hpp"
  33 #include "jvmci/jvmciRuntime.hpp"
  34 #include "runtime/compilationPolicy.hpp"
  35 #include "runtime/globals_extension.hpp"
  36 
  37 JVMCICompiler* JVMCICompiler::_instance = NULL;
  38 elapsedTimer JVMCICompiler::_codeInstallTimer;
  39 
  40 JVMCICompiler::JVMCICompiler() : AbstractCompiler(jvmci) {
  41   _bootstrapping = false;

  42   _methods_compiled = 0;
  43   assert(_instance == NULL, "only one instance allowed");
  44   _instance = this;
  45 }
  46 
  47 // Initialization
  48 void JVMCICompiler::initialize() {
  49   if (!UseCompiler || !EnableJVMCI || !UseJVMCICompiler || !should_perform_init()) {
  50     return;
  51   }
  52 
  53   set_state(initialized);
  54 
  55   // JVMCI is considered as application code so we need to
  56   // stop the VM deferring compilation now.
  57   CompilationPolicy::completed_vm_startup();
  58 }
  59 
  60 void JVMCICompiler::bootstrap() {
  61   if (Arguments::mode() == Arguments::_int) {


  80   Array<Method*>* objectMethods = SystemDictionary::Object_klass()->methods();
  81   // Initialize compile queue with a selected set of methods.
  82   int len = objectMethods->length();
  83   for (int i = 0; i < len; i++) {
  84     methodHandle mh = objectMethods->at(i);
  85     if (!mh->is_native() && !mh->is_static() && !mh->is_initializer()) {
  86       ResourceMark rm;
  87       int hot_count = 10; // TODO: what's the appropriate value?
  88       CompileBroker::compile_method(mh, InvocationEntryBci, CompLevel_full_optimization, mh, hot_count, CompileTask::Reason_Bootstrap, THREAD);
  89     }
  90   }
  91 
  92   int qsize;
  93   bool first_round = true;
  94   int z = 0;
  95   do {
  96     // Loop until there is something in the queue.
  97     do {
  98       os::sleep(THREAD, 100, true);
  99       qsize = CompileBroker::queue_size(CompLevel_full_optimization);
 100     } while (first_round && qsize == 0);
 101     first_round = false;
 102     if (PrintBootstrap) {
 103       while (z < (_methods_compiled / 100)) {
 104         ++z;
 105         tty->print_raw(".");
 106       }
 107     }
 108   } while (qsize != 0);
 109 
 110   if (PrintBootstrap) {
 111     tty->print_cr(" in " JLONG_FORMAT " ms (compiled %d methods)", os::javaTimeMillis() - start, _methods_compiled);
 112   }
 113   _bootstrapping = false;

 114 }
 115 
 116 #define CHECK_ABORT THREAD); \
 117 if (HAS_PENDING_EXCEPTION) { \
 118   char buf[256]; \
 119   jio_snprintf(buf, 256, "Uncaught exception at %s:%d", __FILE__, __LINE__); \
 120   JVMCICompiler::abort_on_pending_exception(PENDING_EXCEPTION, buf); \
 121   return; \
 122 } \
 123 (void)(0
 124 
 125 void JVMCICompiler::compile_method(const methodHandle& method, int entry_bci, JVMCIEnv* env) {
 126   JVMCI_EXCEPTION_CONTEXT
 127 
 128   bool is_osr = entry_bci != InvocationEntryBci;
 129   if (_bootstrapping && is_osr) {
 130       // no OSR compilations during bootstrap - the compiler is just too slow at this point,
 131       // and we know that there are no endless loops
 132       return;
 133   }


 169 
 170     env->set_failure("exception throw", false);
 171   } else {
 172     oop result_object = (oop) result.get_jobject();
 173     if (result_object != NULL) {
 174       oop failure_message = CompilationRequestResult::failureMessage(result_object);
 175       if (failure_message != NULL) {
 176         const char* failure_reason = java_lang_String::as_utf8_string(failure_message);
 177         env->set_failure(failure_reason, CompilationRequestResult::retry(result_object) != 0);
 178       } else {
 179         if (env->task()->code() == NULL) {
 180           env->set_failure("no nmethod produced", true);
 181         } else {
 182           env->task()->set_num_inlined_bytecodes(CompilationRequestResult::inlinedBytecodes(result_object));
 183           Atomic::inc(&_methods_compiled);
 184         }
 185       }
 186     } else {
 187       assert(false, "JVMCICompiler.compileMethod should always return non-null");
 188     }



 189   }
 190 }
 191 
 192 /**
 193  * Aborts the VM due to an unexpected exception.
 194  */
 195 void JVMCICompiler::abort_on_pending_exception(Handle exception, const char* message, bool dump_core) {
 196   Thread* THREAD = Thread::current();
 197   CLEAR_PENDING_EXCEPTION;
 198 
 199   java_lang_Throwable::java_printStackTrace(exception, THREAD);
 200 
 201   // Give other aborting threads to also print their stack traces.
 202   // This can be very useful when debugging class initialization
 203   // failures.
 204   assert(THREAD->is_Java_thread(), "compiler threads should be Java threads");
 205   const bool interruptible = true;
 206   os::sleep(THREAD, 200, interruptible);
 207 
 208   vm_abort(dump_core);




  22  */
  23 
  24 #include "precompiled.hpp"
  25 #include "memory/oopFactory.hpp"
  26 #include "memory/resourceArea.hpp"
  27 #include "oops/oop.inline.hpp"
  28 #include "runtime/javaCalls.hpp"
  29 #include "runtime/handles.hpp"
  30 #include "jvmci/jvmciJavaClasses.hpp"
  31 #include "jvmci/jvmciCompiler.hpp"
  32 #include "jvmci/jvmciEnv.hpp"
  33 #include "jvmci/jvmciRuntime.hpp"
  34 #include "runtime/compilationPolicy.hpp"
  35 #include "runtime/globals_extension.hpp"
  36 
  37 JVMCICompiler* JVMCICompiler::_instance = NULL;
  38 elapsedTimer JVMCICompiler::_codeInstallTimer;
  39 
  40 JVMCICompiler::JVMCICompiler() : AbstractCompiler(jvmci) {
  41   _bootstrapping = false;
  42   _bootstrap_compilation_request_seen =  false;
  43   _methods_compiled = 0;
  44   assert(_instance == NULL, "only one instance allowed");
  45   _instance = this;
  46 }
  47 
  48 // Initialization
  49 void JVMCICompiler::initialize() {
  50   if (!UseCompiler || !EnableJVMCI || !UseJVMCICompiler || !should_perform_init()) {
  51     return;
  52   }
  53 
  54   set_state(initialized);
  55 
  56   // JVMCI is considered as application code so we need to
  57   // stop the VM deferring compilation now.
  58   CompilationPolicy::completed_vm_startup();
  59 }
  60 
  61 void JVMCICompiler::bootstrap() {
  62   if (Arguments::mode() == Arguments::_int) {


  81   Array<Method*>* objectMethods = SystemDictionary::Object_klass()->methods();
  82   // Initialize compile queue with a selected set of methods.
  83   int len = objectMethods->length();
  84   for (int i = 0; i < len; i++) {
  85     methodHandle mh = objectMethods->at(i);
  86     if (!mh->is_native() && !mh->is_static() && !mh->is_initializer()) {
  87       ResourceMark rm;
  88       int hot_count = 10; // TODO: what's the appropriate value?
  89       CompileBroker::compile_method(mh, InvocationEntryBci, CompLevel_full_optimization, mh, hot_count, CompileTask::Reason_Bootstrap, THREAD);
  90     }
  91   }
  92 
  93   int qsize;
  94   bool first_round = true;
  95   int z = 0;
  96   do {
  97     // Loop until there is something in the queue.
  98     do {
  99       os::sleep(THREAD, 100, true);
 100       qsize = CompileBroker::queue_size(CompLevel_full_optimization);
 101     } while (!_bootstrap_compilation_request_seen && first_round && qsize == 0);
 102     first_round = false;
 103     if (PrintBootstrap) {
 104       while (z < (_methods_compiled / 100)) {
 105         ++z;
 106         tty->print_raw(".");
 107       }
 108     }
 109   } while (qsize != 0);
 110 
 111   if (PrintBootstrap) {
 112     tty->print_cr(" in " JLONG_FORMAT " ms (compiled %d methods)", os::javaTimeMillis() - start, _methods_compiled);
 113   }
 114   _bootstrapping = false;
 115   JVMCIRuntime::bootstrapFinished();
 116 }
 117 
 118 #define CHECK_ABORT THREAD); \
 119 if (HAS_PENDING_EXCEPTION) { \
 120   char buf[256]; \
 121   jio_snprintf(buf, 256, "Uncaught exception at %s:%d", __FILE__, __LINE__); \
 122   JVMCICompiler::abort_on_pending_exception(PENDING_EXCEPTION, buf); \
 123   return; \
 124 } \
 125 (void)(0
 126 
 127 void JVMCICompiler::compile_method(const methodHandle& method, int entry_bci, JVMCIEnv* env) {
 128   JVMCI_EXCEPTION_CONTEXT
 129 
 130   bool is_osr = entry_bci != InvocationEntryBci;
 131   if (_bootstrapping && is_osr) {
 132       // no OSR compilations during bootstrap - the compiler is just too slow at this point,
 133       // and we know that there are no endless loops
 134       return;
 135   }


 171 
 172     env->set_failure("exception throw", false);
 173   } else {
 174     oop result_object = (oop) result.get_jobject();
 175     if (result_object != NULL) {
 176       oop failure_message = CompilationRequestResult::failureMessage(result_object);
 177       if (failure_message != NULL) {
 178         const char* failure_reason = java_lang_String::as_utf8_string(failure_message);
 179         env->set_failure(failure_reason, CompilationRequestResult::retry(result_object) != 0);
 180       } else {
 181         if (env->task()->code() == NULL) {
 182           env->set_failure("no nmethod produced", true);
 183         } else {
 184           env->task()->set_num_inlined_bytecodes(CompilationRequestResult::inlinedBytecodes(result_object));
 185           Atomic::inc(&_methods_compiled);
 186         }
 187       }
 188     } else {
 189       assert(false, "JVMCICompiler.compileMethod should always return non-null");
 190     }
 191   }
 192   if (_bootstrapping) {
 193     _bootstrap_compilation_request_seen = true;
 194   }
 195 }
 196 
 197 /**
 198  * Aborts the VM due to an unexpected exception.
 199  */
 200 void JVMCICompiler::abort_on_pending_exception(Handle exception, const char* message, bool dump_core) {
 201   Thread* THREAD = Thread::current();
 202   CLEAR_PENDING_EXCEPTION;
 203 
 204   java_lang_Throwable::java_printStackTrace(exception, THREAD);
 205 
 206   // Give other aborting threads to also print their stack traces.
 207   // This can be very useful when debugging class initialization
 208   // failures.
 209   assert(THREAD->is_Java_thread(), "compiler threads should be Java threads");
 210   const bool interruptible = true;
 211   os::sleep(THREAD, 200, interruptible);
 212 
 213   vm_abort(dump_core);


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