Mercurial > hg > graal-compiler
view src/share/vm/graal/graalCompiler.cpp @ 3619:5e9645341ec3
support for new RiRuntime features: add code without making it the default for the method, executing Java tasks on the compile thread, communicate nmethod reference to Java code as HotSpotCompiledMethod
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Wed, 09 Nov 2011 11:27:38 +0100 |
parents | ff472e09af46 |
children | 136ea96eb7f8 |
line wrap: on
line source
/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ #include "precompiled.hpp" #include "graal/graalCompiler.hpp" #include "graal/graalJavaAccess.hpp" #include "graal/graalVMExits.hpp" #include "graal/graalVMEntries.hpp" #include "graal/graalVmIds.hpp" #include "c1/c1_Runtime1.hpp" #include "runtime/arguments.hpp" GraalCompiler* GraalCompiler::_instance = NULL; GraalCompiler::GraalCompiler() { _initialized = false; assert(_instance == NULL, "only one instance allowed"); _instance = this; } // Initialization void GraalCompiler::initialize() { if (_initialized) return; _initialized = true; CompilerThread* THREAD = CompilerThread::current(); TRACE_graal_1("GraalCompiler::initialize"); VmIds::initializeObjects(); initialize_buffer_blob(); Runtime1::initialize(THREAD->get_buffer_blob()); JNIEnv *env = ((JavaThread *) Thread::current())->jni_environment(); jclass klass = env->FindClass("com/oracle/max/graal/hotspot/VMEntriesNative"); if (klass == NULL) { tty->print_cr("graal VMEntries class not found"); vm_abort(false); } env->RegisterNatives(klass, VMEntries_methods, VMEntries_methods_count()); { VM_ENTRY_MARK; check_pending_exception("Could not register natives"); } graal_compute_offsets(); { VM_ENTRY_MARK; HandleMark hm; VMExits::initializeCompiler(); VMExits::setDefaultOptions(); for (int i = 0; i < Arguments::num_graal_args(); ++i) { const char* arg = Arguments::graal_args_array()[i]; Handle option = java_lang_String::create_from_str(arg, THREAD); jboolean result = VMExits::setOption(option); if (!result) { tty->print_cr("Invalid option for graal!"); vm_abort(false); } } } } void GraalCompiler::initialize_buffer_blob() { JavaThread* THREAD = JavaThread::current(); if (THREAD->get_buffer_blob() == NULL) { // setup CodeBuffer. Preallocate a BufferBlob of size // NMethodSizeLimit plus some extra space for constants. int code_buffer_size = Compilation::desired_max_code_buffer_size() + Compilation::desired_max_constant_size(); BufferBlob* blob = BufferBlob::create("graal temporary CodeBuffer", code_buffer_size); guarantee(blob != NULL, "must create code buffer"); THREAD->set_buffer_blob(blob); } } // Compilation entry point for methods void GraalCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) { assert(_initialized, "must already be initialized"); VM_ENTRY_MARK; ResourceMark rm; HandleMark hm; VmIds::initializeObjects(); TRACE_graal_2("GraalCompiler::compile_method"); CompilerThread::current()->set_compiling(true); methodOop method = (methodOop) target->get_oop(); Handle hotspot_method = GraalCompiler::createHotSpotMethodResolved(method, CHECK); VMExits::compileMethod(hotspot_method, entry_bci); CompilerThread::current()->set_compiling(false); VmIds::cleanupLocalObjects(); TRACE_graal_2("GraalCompiler::compile_method exit"); } void GraalCompiler::exit() { if (_initialized) { VMExits::shutdownCompiler(); } } // Print compilation timers and statistics void GraalCompiler::print_timers() { TRACE_graal_1("GraalCompiler::print_timers"); } oop GraalCompiler::get_RiType(KlassHandle klass, KlassHandle accessor, TRAPS) { if (klass->oop_is_instance_slow()) { assert(instanceKlass::cast(klass())->is_initialized(), "unexpected unresolved klass"); } else if (klass->oop_is_javaArray_slow()){ } else { klass()->print(); assert(false, "unexpected klass"); } Handle name = VmIds::toString<Handle>(klass->name(), THREAD); return createHotSpotTypeResolved(klass, name, CHECK_NULL); } oop GraalCompiler::get_RiType(ciType *type, KlassHandle accessor, TRAPS) { if (type->is_loaded()) { if (type->is_primitive_type()) { return VMExits::createRiTypePrimitive((int) type->basic_type(), THREAD); } KlassHandle klass = (klassOop) type->get_oop(); Handle name = VmIds::toString<Handle>(klass->name(), THREAD); return createHotSpotTypeResolved(klass, name, CHECK_NULL); } else { Symbol* name = ((ciKlass *) type)->name()->get_symbol(); return VMExits::createRiTypeUnresolved(VmIds::toString<Handle>(name, THREAD), THREAD); } } oop GraalCompiler::get_RiField(ciField *field, ciInstanceKlass* accessor_klass, KlassHandle accessor, Bytecodes::Code byteCode, TRAPS) { int offset; if (byteCode != Bytecodes::_illegal) { bool will_link = field->will_link_from_vm(accessor_klass, byteCode); offset = (field->holder()->is_loaded() && will_link) ? field->offset() : -1; } else { offset = field->offset(); } Handle field_name = VmIds::toString<Handle>(field->name()->get_symbol(), CHECK_0); Handle field_holder = get_RiType(field->holder(), accessor, CHECK_0); Handle field_type = get_RiType(field->type(), accessor, CHECK_0); int flags = field->flags().as_int(); return VMExits::createRiField(field_holder, field_name, field_type, offset, flags, THREAD); } oop GraalCompiler::createHotSpotTypeResolved(KlassHandle klass, Handle name, TRAPS) { if (klass->graal_mirror() != NULL) { return klass->graal_mirror(); } instanceKlass::cast(HotSpotTypeResolved::klass())->initialize(CHECK_NULL); Handle obj = instanceKlass::cast(HotSpotTypeResolved::klass())->allocate_instance(CHECK_NULL); assert(obj() != NULL, "must succeed in allocating instance"); HotSpotTypeResolved::set_compiler(obj, VMExits::compilerInstance()()); if (klass->oop_is_instance()) { instanceKlass* ik = (instanceKlass*)klass()->klass_part(); Handle full_name = java_lang_String::create_from_str(ik->signature_name(), CHECK_NULL); HotSpotType::set_name(obj, full_name()); } else { HotSpotType::set_name(obj, name()); } HotSpotTypeResolved::set_javaMirror(obj, klass->java_mirror()); HotSpotTypeResolved::set_simpleName(obj, name()); HotSpotTypeResolved::set_accessFlags(obj, klass->access_flags().as_int()); HotSpotTypeResolved::set_isInterface(obj, klass->is_interface()); HotSpotTypeResolved::set_isInstanceClass(obj, klass->oop_is_instance()); if (klass->oop_is_javaArray()) { HotSpotTypeResolved::set_isArrayClass(obj, true); } else { HotSpotTypeResolved::set_isArrayClass(obj, false); HotSpotTypeResolved::set_instanceSize(obj, instanceKlass::cast(klass())->size_helper() * HeapWordSize); HotSpotTypeResolved::set_hasFinalizer(obj, klass->has_finalizer()); } // TODO replace these with correct values HotSpotTypeResolved::set_hasSubclass(obj, false); HotSpotTypeResolved::set_hasFinalizableSubclass(obj, false); klass->set_graal_mirror(obj()); return obj(); } oop GraalCompiler::createHotSpotMethodResolved(methodHandle method, TRAPS) { if (method->graal_mirror() != NULL) { assert(method->graal_mirror()->is_a(HotSpotMethodResolved::klass()), "unexpected class..."); return method->graal_mirror(); } Handle name = VmIds::toString<Handle>(method->name(), CHECK_NULL); instanceKlass::cast(HotSpotMethodResolved::klass())->initialize(CHECK_NULL); Handle obj = instanceKlass::cast(HotSpotMethodResolved::klass())->allocate_instance(CHECK_NULL); assert(obj() != NULL, "must succeed in allocating instance"); HotSpotMethodResolved::set_compiler(obj, VMExits::compilerInstance()()); // (tw) Cannot use reflection here, because the compiler thread could dead lock with the running application. // oop reflected = getReflectedMethod(method(), CHECK_NULL); HotSpotMethodResolved::set_javaMirror(obj, method()); HotSpotMethodResolved::set_name(obj, name()); KlassHandle klass = method->method_holder(); Handle holder_name = VmIds::toString<Handle>(klass->name(), CHECK_NULL); oop holder = GraalCompiler::createHotSpotTypeResolved(klass, holder_name, CHECK_NULL); HotSpotMethodResolved::set_holder(obj, holder); HotSpotMethodResolved::set_codeSize(obj, method->code_size()); HotSpotMethodResolved::set_accessFlags(obj, method->access_flags().as_int()); HotSpotMethodResolved::set_maxLocals(obj, method->max_locals()); HotSpotMethodResolved::set_maxStackSize(obj, method->max_stack()); method->set_graal_mirror(obj()); return obj(); } BasicType GraalCompiler::kindToBasicType(jchar ch) { switch(ch) { case 'z': return T_BOOLEAN; case 'b': return T_BYTE; case 's': return T_SHORT; case 'c': return T_CHAR; case 'i': return T_INT; case 'f': return T_FLOAT; case 'j': return T_LONG; case 'd': return T_DOUBLE; case 'a': return T_OBJECT; case 'r': return T_ADDRESS; case '-': return T_ILLEGAL; default: fatal(err_msg("unexpected CiKind: %c", ch)); break; } return T_ILLEGAL; } void GraalCompiler::poll_java_queue() { int system_dictionary_modification_counter; { MutexLocker locker(Compile_lock, Thread::current()); system_dictionary_modification_counter = SystemDictionary::number_of_modifications(); } { ThreadToNativeFromVM ttn(JavaThread::current()); ciEnv ci_env(NULL, system_dictionary_modification_counter); { VM_ENTRY_MARK; ResourceMark rm; HandleMark hm; VMExits::pollJavaQueue(); } } }