Mercurial > hg > truffle
view src/share/vm/graal/graalCompilerToVM.cpp @ 4409:9f8e4aeec1a9
Merge
author | Andreas Woess <andreas.woess@jku.at> |
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date | Sun, 29 Jan 2012 11:40:04 +0100 |
parents | b4b16e4e043f |
children | 539fca6a3b98 |
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/* * 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 "runtime/fieldDescriptor.hpp" #include "c1/c1_Runtime1.hpp" #include "ci/ciMethodData.hpp" #include "compiler/compileBroker.hpp" #include "graal/graalCompilerToVM.hpp" #include "graal/graalCompiler.hpp" #include "graal/graalEnv.hpp" #include "graal/graalJavaAccess.hpp" #include "graal/graalCodeInstaller.hpp" #include "graal/graalVMToCompiler.hpp" #include "graal/graalVmIds.hpp" #include "memory/oopFactory.hpp" #include "oops/generateOopMap.hpp" methodOop getMethodFromHotSpotMethod(jobject hotspot_method) { return getMethodFromHotSpotMethod(JNIHandles::resolve(hotspot_method)); } methodOop getMethodFromHotSpotMethod(oop hotspot_method) { return (methodOop)HotSpotMethodResolved::javaMirror(hotspot_method); } // public byte[] RiMethod_code(HotSpotResolvedMethod method); JNIEXPORT jbyteArray JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiMethod_1code(JNIEnv *env, jobject, jobject hotspot_method) { TRACE_graal_3("CompilerToVM::RiMethod_code"); methodHandle method = getMethodFromHotSpotMethod(hotspot_method); int code_size = method->code_size(); jbyteArray result = env->NewByteArray(code_size); env->SetByteArrayRegion(result, 0, code_size, (const jbyte *) method->code_base()); return result; } // public String RiMethod_signature(HotSpotResolvedMethod method); JNIEXPORT jstring JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiMethod_1signature(JNIEnv *env, jobject, jobject hotspot_method) { TRACE_graal_3("CompilerToVM::RiMethod_signature"); VM_ENTRY_MARK methodOop method = getMethodFromHotSpotMethod(hotspot_method); assert(method != NULL && method->signature() != NULL, "signature required"); return VmIds::toString<jstring>(method->signature(), THREAD); } // public RiExceptionHandler[] RiMethod_exceptionHandlers(long vmId); JNIEXPORT jobjectArray JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiMethod_1exceptionHandlers(JNIEnv *, jobject, jobject hotspot_method) { TRACE_graal_3("CompilerToVM::RiMethod_exceptionHandlers"); VM_ENTRY_MARK ResourceMark rm; methodHandle method = getMethodFromHotSpotMethod(hotspot_method); typeArrayHandle handlers = method->exception_table(); int handler_count = handlers.is_null() ? 0 : handlers->length() / 4; instanceKlass::cast(HotSpotExceptionHandler::klass())->initialize(CHECK_NULL); objArrayHandle array = oopFactory::new_objArray(SystemDictionary::RiExceptionHandler_klass(), handler_count, CHECK_NULL); for (int i = 0; i < handler_count; i++) { // exception handlers are stored as four integers: start bci, end bci, handler bci, catch class constant pool index int base = i * 4; Handle entry = instanceKlass::cast(HotSpotExceptionHandler::klass())->allocate_instance(CHECK_NULL); HotSpotExceptionHandler::set_startBci(entry, handlers->int_at(base + 0)); HotSpotExceptionHandler::set_endBci(entry, handlers->int_at(base + 1)); HotSpotExceptionHandler::set_handlerBci(entry, handlers->int_at(base + 2)); int catch_class_index = handlers->int_at(base + 3); HotSpotExceptionHandler::set_catchClassIndex(entry, catch_class_index); if (catch_class_index == 0) { HotSpotExceptionHandler::set_catchClass(entry, NULL); } else { constantPoolOop cp = instanceKlass::cast(method->method_holder())->constants(); KlassHandle loading_klass = method->method_holder(); Handle catch_class = GraalCompiler::get_RiType(cp, catch_class_index, loading_klass, CHECK_NULL); if (catch_class->klass() == HotSpotTypeResolved::klass() && java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(catch_class)) == SystemDictionary::Throwable_klass()) { HotSpotExceptionHandler::set_catchClass(entry, NULL); HotSpotExceptionHandler::set_catchClassIndex(entry, 0); } else { HotSpotExceptionHandler::set_catchClass(entry, catch_class()); } } array->obj_at_put(i, entry()); } return (jobjectArray) JNIHandles::make_local(array()); } // public boolean RiMethod_hasBalancedMonitors(long vmId); JNIEXPORT jint JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiMethod_1hasBalancedMonitors(JNIEnv *, jobject, jobject hotspot_method) { TRACE_graal_3("CompilerToVM::RiMethod_hasBalancedMonitors"); VM_ENTRY_MARK; // Analyze the method to see if monitors are used properly. methodHandle method(THREAD, getMethodFromHotSpotMethod(hotspot_method)); assert(method->has_monitor_bytecodes(), "should have checked this"); // Check to see if a previous compilation computed the monitor-matching analysis. if (method->guaranteed_monitor_matching()) { return true; } { EXCEPTION_MARK; ResourceMark rm(THREAD); GeneratePairingInfo gpi(method); gpi.compute_map(CATCH); if (!gpi.monitor_safe()) { return false; } method->set_guaranteed_monitor_matching(); } return true; } // public RiMethod getRiMethod(java.lang.reflect.Method reflectionMethod); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_getRiMethod(JNIEnv *, jobject, jobject reflection_method_handle) { TRACE_graal_3("CompilerToVM::getRiMethod"); VM_ENTRY_MARK; oop reflection_method = JNIHandles::resolve(reflection_method_handle); oop reflection_holder = java_lang_reflect_Method::clazz(reflection_method); int slot = java_lang_reflect_Method::slot(reflection_method); klassOop holder = java_lang_Class::as_klassOop(reflection_holder); methodOop method = instanceKlass::cast(holder)->method_with_idnum(slot); Handle ret = GraalCompiler::createHotSpotMethodResolved(method, CHECK_NULL); return JNIHandles::make_local(THREAD, ret()); } // public boolean RiMethod_uniqueConcreteMethod(long vmId); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiMethod_1uniqueConcreteMethod(JNIEnv *, jobject, jobject hotspot_method) { TRACE_graal_3("CompilerToVM::RiMethod_uniqueConcreteMethod"); VM_ENTRY_MARK; methodHandle method = getMethodFromHotSpotMethod(hotspot_method); KlassHandle holder = method->method_holder(); if (holder->is_interface()) { // Cannot trust interfaces. Because of: // interface I { void foo(); } // class A { public void foo() {} } // class B extends A implements I { } // class C extends B { public void foo() { } } // class D extends B { } // Would lead to identify C.foo() as the unique concrete method for I.foo() without seeing A.foo(). return false; } methodHandle unique_concrete; { ResourceMark rm; MutexLocker locker(Compile_lock); unique_concrete = Dependencies::find_unique_concrete_method(holder(), method()); } if (unique_concrete.is_null()) { return NULL; } else { Handle method_resolved = GraalCompiler::createHotSpotMethodResolved(unique_concrete, CHECK_NULL); return JNIHandles::make_local(THREAD, method_resolved()); } } // public native int RiMethod_invocationCount(long vmId); JNIEXPORT jint JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiMethod_1invocationCount(JNIEnv *, jobject, jobject hotspot_method) { TRACE_graal_3("CompilerToVM::RiMethod_invocationCount"); return getMethodFromHotSpotMethod(hotspot_method)->invocation_count(); } // public native int RiMethod_exceptionProbability(long vmId, int bci); JNIEXPORT jint JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiMethod_2exceptionProbability(JNIEnv *, jobject, jobject hotspot_method, jint bci) { TRACE_graal_3("CompilerToVM::RiMethod_exceptionProbability"); VM_ENTRY_MARK; ResourceMark rm; methodHandle method = getMethodFromHotSpotMethod(hotspot_method); methodDataHandle method_data = method->method_data(); if (method_data == NULL || !method_data->is_mature()) { return -1; } ProfileData* data = method_data->bci_to_data(bci); if (data == NULL) { return 0; } uint trap = Deoptimization::trap_state_is_recompiled(data->trap_state())? 1: 0; if (trap > 0) { return 100; } else { return trap; } } // ------------------------------------------------------------------ // Adjust a CounterData count to be commensurate with // interpreter_invocation_count. If the MDO exists for // only 25% of the time the method exists, then the // counts in the MDO should be scaled by 4X, so that // they can be usefully and stably compared against the // invocation counts in methods. int scale_count(methodDataOop method_data, int count) { if (count > 0) { int counter_life; int method_life = method_data->method()->interpreter_invocation_count(); int current_mileage = methodDataOopDesc::mileage_of(method_data->method()); int creation_mileage = method_data->creation_mileage(); counter_life = current_mileage - creation_mileage; // counter_life due to backedge_counter could be > method_life if (counter_life > method_life) counter_life = method_life; if (0 < counter_life && counter_life <= method_life) { count = (int)((double)count * method_life / counter_life + 0.5); count = (count > 0) ? count : 1; } } return count; } // public native RiTypeProfile RiMethod_typeProfile(long vmId, int bci); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiMethod_2typeProfile(JNIEnv *, jobject, jobject hotspot_method, jint bci) { TRACE_graal_3("CompilerToVM::RiMethod_typeProfile"); VM_ENTRY_MARK; Handle obj; methodHandle method = getMethodFromHotSpotMethod(hotspot_method); methodDataHandle method_data = method->method_data(); if (method_data == NULL || !method_data->is_mature()) { return NULL; } ResourceMark rm; ProfileData* data = method_data->bci_to_data(bci); if (data != NULL && data->is_ReceiverTypeData()) { ReceiverTypeData* recv = data->as_ReceiverTypeData(); GrowableArray<KlassHandle> receivers; GrowableArray<int> counts; // determine morphism uint total_count = 0; for (uint i = 0; i < recv->row_limit(); i++) { klassOop receiver = recv->receiver(i); if (receiver == NULL) continue; uint count = recv->receiver_count(i); total_count += count; receivers.append(receiver); counts.append(count); } instanceKlass::cast(RiTypeProfile::klass())->initialize(CHECK_NULL); obj = instanceKlass::cast(RiTypeProfile::klass())->allocate_instance(CHECK_NULL); assert(obj() != NULL, "must succeed in allocating instance"); int count = MAX2(total_count, recv->count()); RiTypeProfile::set_count(obj, scale_count(method_data(), count)); RiTypeProfile::set_morphism(obj, receivers.length()); if (receivers.length() > 0) { typeArrayHandle probabilities = oopFactory::new_typeArray(T_FLOAT, receivers.length(), CHECK_NULL); objArrayHandle types = oopFactory::new_objArray(SystemDictionary::RiType_klass(), receivers.length(), CHECK_NULL); for (int i = 0; i < receivers.length(); i++) { KlassHandle receiver = receivers.at(i); float prob = counts.at(i) / (float) total_count; Handle type = GraalCompiler::get_RiType(receiver, CHECK_NULL); probabilities->float_at_put(i, prob); types->obj_at_put(i, type()); } RiTypeProfile::set_probabilities(obj, probabilities()); RiTypeProfile::set_types(obj, types()); } else { RiTypeProfile::set_probabilities(obj, NULL); RiTypeProfile::set_types(obj, NULL); } } return JNIHandles::make_local(obj()); } JNIEXPORT jdouble JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiMethod_2branchProbability(JNIEnv *, jobject, jobject hotspot_method, jint bci) { TRACE_graal_3("CompilerToVM::RiMethod_typeProfile"); ResourceMark rm; methodHandle method = getMethodFromHotSpotMethod(hotspot_method); methodDataHandle method_data = method->method_data(); if (method_data == NULL || !method_data->is_mature()) return -1; method_data->bci_to_data(bci); ProfileData* data = method_data->bci_to_data(bci); if (data == NULL || !data->is_JumpData()) return -1; // get taken and not taken values int taken = data->as_JumpData()->taken(); int not_taken = 0; if (data->is_BranchData()) { not_taken = data->as_BranchData()->not_taken(); } // Give up if too few (or too many, in which case the sum will overflow) counts to be meaningful. // We also check that individual counters are positive first, otherwise the sum can become positive. if (taken < 0 || not_taken < 0 || taken + not_taken < 40) return -1; // Pin probability to sane limits if (taken == 0) return 0; else if (not_taken == 0) return 1; else { // Compute probability of true path return (jdouble)(taken) / (taken + not_taken); } } JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiMethod_2switchProbability(JNIEnv *, jobject, jobject hotspot_method, jint bci) { TRACE_graal_3("CompilerToVM::RiMethod_typeProfile"); VM_ENTRY_MARK; ResourceMark rm; methodHandle method = getMethodFromHotSpotMethod(hotspot_method); methodDataHandle method_data = method->method_data(); if (method_data == NULL || !method_data->is_mature()) return NULL; ProfileData* data = method_data->bci_to_data(bci); if (data == NULL || !data->is_MultiBranchData()) return NULL; MultiBranchData* branch_data = data->as_MultiBranchData(); long sum = 0; int cases = branch_data->number_of_cases(); GrowableArray<uint>* counts = new GrowableArray<uint>(cases + 1); for (int i = 0; i < cases; i++) { uint value = branch_data->count_at(i); sum += value; counts->append(value); } uint value = branch_data->default_count(); sum += value; counts->append(value); // Give up if too few (or too many, in which case the sum will overflow) counts to be meaningful. // We also check that individual counters are positive first, otherwise the sum can become positive. if (sum < 10 * (cases + 3)) return NULL; typeArrayOop probability = oopFactory::new_typeArray(T_DOUBLE, cases + 1, CHECK_NULL); for (int i = 0; i < cases + 1; i++) { probability->double_at_put(i, counts->at(i) / (double) sum); } return JNIHandles::make_local(probability); } // public native boolean RiMethod_hasCompiledCode(HotSpotMethodResolved method); JNIEXPORT jboolean JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiMethod_1hasCompiledCode(JNIEnv *, jobject, jobject hotspot_method) { TRACE_graal_3("CompilerToVM::RiMethod_hasCompiledCode"); return getMethodFromHotSpotMethod(hotspot_method)->has_compiled_code(); } // public RiType RiSignature_lookupType(String returnType, HotSpotTypeResolved accessingClass); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiSignature_1lookupType(JNIEnv *env, jobject, jstring jname, jobject accessingClass) { TRACE_graal_3("CompilerToVM::RiSignature_lookupType"); VM_ENTRY_MARK; ResourceMark rm; Symbol* nameSymbol = VmIds::toSymbol(jname); Handle name = JNIHandles::resolve(jname); oop result; if (nameSymbol == vmSymbols::int_signature()) { result = VMToCompiler::createRiTypePrimitive((int) T_INT, THREAD); } else if (nameSymbol == vmSymbols::long_signature()) { result = VMToCompiler::createRiTypePrimitive((int) T_LONG, THREAD); } else if (nameSymbol == vmSymbols::bool_signature()) { result = VMToCompiler::createRiTypePrimitive((int) T_BOOLEAN, THREAD); } else if (nameSymbol == vmSymbols::char_signature()) { result = VMToCompiler::createRiTypePrimitive((int) T_CHAR, THREAD); } else if (nameSymbol == vmSymbols::short_signature()) { result = VMToCompiler::createRiTypePrimitive((int) T_SHORT, THREAD); } else if (nameSymbol == vmSymbols::byte_signature()) { result = VMToCompiler::createRiTypePrimitive((int) T_BYTE, THREAD); } else if (nameSymbol == vmSymbols::double_signature()) { result = VMToCompiler::createRiTypePrimitive((int) T_DOUBLE, THREAD); } else if (nameSymbol == vmSymbols::float_signature()) { result = VMToCompiler::createRiTypePrimitive((int) T_FLOAT, THREAD); } else { klassOop resolved_type = NULL; // if the name isn't in the symbol table then the class isn't loaded anyway... if (nameSymbol != NULL) { Handle classloader; Handle protectionDomain; if (JNIHandles::resolve(accessingClass) != NULL) { classloader = java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(accessingClass))->klass_part()->class_loader(); protectionDomain = java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(accessingClass))->klass_part()->protection_domain(); } resolved_type = SystemDictionary::resolve_or_null(nameSymbol, classloader, protectionDomain, THREAD); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; resolved_type = NULL; } } if (resolved_type != NULL) { Handle type = GraalCompiler::createHotSpotTypeResolved(resolved_type, name, CHECK_NULL); result = type(); } else { Handle type = VMToCompiler::createRiTypeUnresolved(name, THREAD); result = type(); } } return JNIHandles::make_local(THREAD, result); } // public Object RiConstantPool_lookupConstant(HotSpotTypeResolved type, int cpi); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiConstantPool_1lookupConstant(JNIEnv *env, jobject, jobject type, jint index) { TRACE_graal_3("CompilerToVM::RiConstantPool_lookupConstant"); VM_ENTRY_MARK; constantPoolOop cp = instanceKlass::cast(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(type)))->constants(); oop result = NULL; constantTag tag = cp->tag_at(index); if (tag.is_int()) { result = VMToCompiler::createCiConstant(CiKind::Int(), cp->int_at(index), CHECK_0); } else if (tag.is_long()) { result = VMToCompiler::createCiConstant(CiKind::Long(), cp->long_at(index), CHECK_0); } else if (tag.is_float()) { result = VMToCompiler::createCiConstantFloat(cp->float_at(index), CHECK_0); } else if (tag.is_double()) { result = VMToCompiler::createCiConstantDouble(cp->double_at(index), CHECK_0); } else if (tag.is_string() || tag.is_unresolved_string()) { oop string = NULL; if (cp->is_pseudo_string_at(index)) { string = cp->pseudo_string_at(index); } else { string = cp->string_at(index, THREAD); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; // TODO: Gracefully exit compilation. fatal("out of memory during compilation!"); return NULL; } } result = VMToCompiler::createCiConstantObject(string, CHECK_0); } else if (tag.is_klass() || tag.is_unresolved_klass()) { Handle type = GraalCompiler::get_RiType(cp, index, cp->pool_holder(), CHECK_NULL); result = type(); } else if (tag.is_object()) { oop obj = cp->object_at(index); assert(obj->is_instance(), "must be an instance"); result = VMToCompiler::createCiConstantObject(obj, CHECK_NULL); } else { ShouldNotReachHere(); } return JNIHandles::make_local(THREAD, result); } // public RiMethod RiConstantPool_lookupMethod(long vmId, int cpi, byte byteCode); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiConstantPool_1lookupMethod(JNIEnv *env, jobject, jobject type, jint index, jbyte byteCode) { TRACE_graal_3("CompilerToVM::RiConstantPool_lookupMethod"); VM_ENTRY_MARK; index = GraalCompiler::to_cp_index_u2(index); constantPoolHandle cp = instanceKlass::cast(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(type)))->constants(); instanceKlassHandle pool_holder(cp->pool_holder()); Bytecodes::Code bc = (Bytecodes::Code) (((int) byteCode) & 0xFF); methodHandle method = GraalEnv::get_method_by_index(cp, index, bc, pool_holder); if (!method.is_null()) { Handle ret = GraalCompiler::createHotSpotMethodResolved(method, CHECK_NULL); return JNIHandles::make_local(THREAD, ret()); } else { // Get the method's name and signature. Handle name = VmIds::toString<Handle>(cp->name_ref_at(index), CHECK_NULL); Handle signature = VmIds::toString<Handle>(cp->signature_ref_at(index), CHECK_NULL); int holder_index = cp->klass_ref_index_at(index); Handle type = GraalCompiler::get_RiType(cp, holder_index, cp->pool_holder(), CHECK_NULL); return JNIHandles::make_local(THREAD, VMToCompiler::createRiMethodUnresolved(name, signature, type, THREAD)); } } // public RiType RiConstantPool_lookupType(long vmId, int cpi); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiConstantPool_1lookupType(JNIEnv *env, jobject, jobject type, jint index) { TRACE_graal_3("CompilerToVM::RiConstantPool_lookupType"); VM_ENTRY_MARK; constantPoolOop cp = instanceKlass::cast(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(type)))->constants(); Handle result = GraalCompiler::get_RiType(cp, index, cp->pool_holder(), CHECK_NULL); return JNIHandles::make_local(THREAD, result()); } // public void RiConstantPool_loadReferencedType(long vmId, int cpi); JNIEXPORT void JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiConstantPool_1loadReferencedType(JNIEnv *env, jobject, jobject type, jint index, jbyte op) { TRACE_graal_3("CompilerToVM::RiConstantPool_loadReferencedType"); VM_ENTRY_MARK; constantPoolOop cp = instanceKlass::cast(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(type)))->constants(); int byteCode = (op & 0xFF); if (byteCode != Bytecodes::_checkcast && byteCode != Bytecodes::_instanceof && byteCode != Bytecodes::_new && byteCode != Bytecodes::_anewarray && byteCode != Bytecodes::_multianewarray && byteCode != Bytecodes::_ldc && byteCode != Bytecodes::_ldc_w && byteCode != Bytecodes::_ldc2_w) { index = cp->remap_instruction_operand_from_cache(GraalCompiler::to_cp_index_u2(index)); } constantTag tag = cp->tag_at(index); if (tag.is_field_or_method()) { index = cp->uncached_klass_ref_index_at(index); tag = cp->tag_at(index); } if (tag.is_unresolved_klass() || tag.is_klass()) { klassOop klass = cp->klass_at(index, CHECK); if (klass->klass_part()->oop_is_instance()) { instanceKlass::cast(klass)->initialize(CHECK); } } } // public RiField RiConstantPool_lookupField(long vmId, int cpi); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiConstantPool_1lookupField(JNIEnv *env, jobject, jobject constantPoolHolder, jint index, jbyte byteCode) { TRACE_graal_3("CompilerToVM::RiConstantPool_lookupField"); VM_ENTRY_MARK; ResourceMark rm; index = GraalCompiler::to_cp_index_u2(index); constantPoolHandle cp = instanceKlass::cast(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(constantPoolHolder)))->constants(); int nt_index = cp->name_and_type_ref_index_at(index); int sig_index = cp->signature_ref_index_at(nt_index); Symbol* signature = cp->symbol_at(sig_index); int name_index = cp->name_ref_index_at(nt_index); Symbol* name = cp->symbol_at(name_index); int holder_index = cp->klass_ref_index_at(index); Handle holder = GraalCompiler::get_RiType(cp, holder_index, cp->pool_holder(), CHECK_NULL); instanceKlassHandle holder_klass; Bytecodes::Code code = (Bytecodes::Code)(((int) byteCode) & 0xFF); int offset = -1; AccessFlags flags; BasicType basic_type; if (holder->klass() == SystemDictionary::HotSpotTypeResolved_klass()) { FieldAccessInfo result; LinkResolver::resolve_field(result, cp, index, Bytecodes::java_code(code), true, false, Thread::current()); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; } else { offset = result.field_offset(); flags = result.access_flags(); holder_klass = result.klass()->as_klassOop(); basic_type = result.field_type(); holder = GraalCompiler::get_RiType(holder_klass, CHECK_NULL); } } Handle type = GraalCompiler::get_RiTypeFromSignature(cp, sig_index, cp->pool_holder(), CHECK_NULL); Handle field_handle = GraalCompiler::get_RiField(offset, flags.as_int(), name, holder, type, code, THREAD); oop constant_object = NULL; // Check to see if the field is constant. if (!holder_klass.is_null() && holder_klass->is_initialized() && flags.is_final() && flags.is_static()) { // This field just may be constant. The only cases where it will // not be constant are: // // 1. The field holds a non-perm-space oop. The field is, strictly // speaking, constant but we cannot embed non-perm-space oops into // generated code. For the time being we need to consider the // field to be not constant. // 2. The field is a *special* static&final field whose value // may change. The three examples are java.lang.System.in, // java.lang.System.out, and java.lang.System.err. bool ok = true; assert( SystemDictionary::System_klass() != NULL, "Check once per vm"); if( holder_klass->as_klassOop() == SystemDictionary::System_klass() ) { // Check offsets for case 2: System.in, System.out, or System.err if( offset == java_lang_System::in_offset_in_bytes() || offset == java_lang_System::out_offset_in_bytes() || offset == java_lang_System::err_offset_in_bytes() ) { ok = false; } } if (ok) { Handle mirror = holder_klass->java_mirror(); switch(basic_type) { case T_OBJECT: case T_ARRAY: constant_object = VMToCompiler::createCiConstantObject(mirror->obj_field(offset), CHECK_0); break; case T_DOUBLE: constant_object = VMToCompiler::createCiConstantDouble(mirror->double_field(offset), CHECK_0); break; case T_FLOAT: constant_object = VMToCompiler::createCiConstantFloat(mirror->float_field(offset), CHECK_0); break; case T_LONG: constant_object = VMToCompiler::createCiConstant(CiKind::Long(), mirror->long_field(offset), CHECK_0); break; case T_INT: constant_object = VMToCompiler::createCiConstant(CiKind::Int(), mirror->int_field(offset), CHECK_0); break; case T_SHORT: constant_object = VMToCompiler::createCiConstant(CiKind::Short(), mirror->short_field(offset), CHECK_0); break; case T_CHAR: constant_object = VMToCompiler::createCiConstant(CiKind::Char(), mirror->char_field(offset), CHECK_0); break; case T_BYTE: constant_object = VMToCompiler::createCiConstant(CiKind::Byte(), mirror->byte_field(offset), CHECK_0); break; case T_BOOLEAN: constant_object = VMToCompiler::createCiConstant(CiKind::Boolean(), mirror->bool_field(offset), CHECK_0); break; default: fatal("Unhandled constant"); break; } } } if (constant_object != NULL) { HotSpotField::set_constant(field_handle, constant_object); } return JNIHandles::make_local(THREAD, field_handle()); } // public RiMethod RiType_resolveMethodImpl(HotSpotTypeResolved klass, String name, String signature); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiType_3resolveMethodImpl(JNIEnv *, jobject, jobject resolved_type, jstring name, jstring signature) { TRACE_graal_3("CompilerToVM::RiType_resolveMethodImpl"); VM_ENTRY_MARK; assert(JNIHandles::resolve(resolved_type) != NULL, ""); klassOop klass = java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(resolved_type)); Symbol* name_symbol = VmIds::toSymbol(name); Symbol* signature_symbol = VmIds::toSymbol(signature); methodHandle method = klass->klass_part()->lookup_method(name_symbol, signature_symbol); if (method == NULL) { if (TraceGraal >= 3) { ResourceMark rm; tty->print_cr("Could not resolve method %s %s on klass %s", name_symbol->as_C_string(), signature_symbol->as_C_string(), klass->klass_part()->name()->as_C_string()); } return NULL; } Handle ret = GraalCompiler::createHotSpotMethodResolved(method, CHECK_NULL); return JNIHandles::make_local(THREAD, ret()); } // public boolean RiType_isSubtypeOf(HotSpotTypeResolved klass, RiType other); JNIEXPORT jboolean JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiType_2isSubtypeOf(JNIEnv *, jobject, jobject klass, jobject jother) { TRACE_graal_3("CompilerToVM::RiType_isSubtypeOf"); oop other = JNIHandles::resolve(jother); assert(other->is_a(HotSpotTypeResolved::klass()), "resolved hotspot type expected"); assert(JNIHandles::resolve(klass) != NULL, ""); klassOop thisKlass = java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(klass)); klassOop otherKlass = java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(other)); if (thisKlass->klass_part()->oop_is_instance_slow()) { return instanceKlass::cast(thisKlass)->is_subtype_of(otherKlass); } else if (thisKlass->klass_part()->oop_is_array()) { return arrayKlass::cast(thisKlass)->is_subtype_of(otherKlass); } else { fatal("unexpected class type"); return false; } } // public RiType RiType_componentType(HotSpotResolvedType klass); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiType_1componentType(JNIEnv *, jobject, jobject klass) { TRACE_graal_3("CompilerToVM::RiType_componentType"); VM_ENTRY_MARK; KlassHandle array_klass = java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(klass)); if(array_klass->oop_is_typeArray()) { BasicType t = typeArrayKlass::cast(array_klass())->element_type(); oop primitive_type = VMToCompiler::createRiTypePrimitive((int) t, CHECK_NULL); return JNIHandles::make_local(primitive_type); } assert(array_klass->oop_is_objArray(), "just checking"); klassOop element_type = objArrayKlass::cast(array_klass())->element_klass(); assert(JNIHandles::resolve(klass) != NULL, ""); return JNIHandles::make_local(GraalCompiler::get_RiType(element_type, THREAD)()); } // public RiType RiType_superType(HotSpotResolvedType klass); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiType_1superType(JNIEnv *, jobject, jobject klass) { TRACE_graal_3("CompilerToVM::RiType_superType"); VM_ENTRY_MARK; KlassHandle klass_handle(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(klass))); klassOop k; if (klass_handle->oop_is_array()) { k = SystemDictionary::Object_klass(); } else { guarantee(klass_handle->oop_is_instance(), "must be instance klass"); k = klass_handle->super(); } if (k != NULL) { return JNIHandles::make_local(GraalCompiler::get_RiType(k, THREAD)()); } else { return NULL; } } // public RiType RiType_uniqueConcreteSubtype(HotSpotResolvedType klass); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiType_1uniqueConcreteSubtype(JNIEnv *, jobject, jobject klass) { TRACE_graal_3("CompilerToVM::RiType_uniqueConcreteSubtype"); VM_ENTRY_MARK; KlassHandle klass_handle(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(klass))); Klass *up_cast = klass_handle->up_cast_abstract(); if (up_cast->is_leaf_class()) { return JNIHandles::make_local(GraalCompiler::get_RiType(up_cast, THREAD)()); } return NULL; } // public bool RiType_isInitialized(HotSpotResolvedType klass); JNIEXPORT jboolean JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiType_1isInitialized(JNIEnv *, jobject, jobject hotspot_klass) { TRACE_graal_3("CompilerToVM::RiType_isInitialized"); klassOop klass = java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(hotspot_klass)); assert(klass != NULL, "method must not be called for primitive types"); return instanceKlass::cast(klass)->is_initialized(); } // public RiType RiType_arrayOf(HotSpotTypeResolved klass); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiType_1arrayOf(JNIEnv *, jobject, jobject klass) { TRACE_graal_3("CompilerToVM::RiType_arrayOf"); VM_ENTRY_MARK; KlassHandle klass_handle(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(klass))); KlassHandle arr = klass_handle->array_klass(THREAD); Handle name = VmIds::toString<Handle>(arr->name(), CHECK_NULL); assert(arr->oop_is_array(), ""); return JNIHandles::make_local(THREAD, GraalCompiler::createHotSpotTypeResolved(arr, name, THREAD)()); } // public RiResolvedField[] RiType_fields(HotSpotTypeResolved klass); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_RiType_1fields(JNIEnv *, jobject, jobject klass) { TRACE_graal_3("CompilerToVM::RiType_fields"); VM_ENTRY_MARK; ResourceMark rm; instanceKlassHandle k = java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(klass)); class MyFieldClosure : public FieldClosure { public: instanceKlassHandle _holder; Handle _resolved_type_holder; GrowableArray<Handle> _field_array; MyFieldClosure(instanceKlassHandle& holder, Handle resolved_type_holder) : _holder(holder), _resolved_type_holder(resolved_type_holder) { } virtual void do_field(fieldDescriptor* fd) { if (!Thread::current()->has_pending_exception()) { if (fd->field_holder() == _holder()) { Handle type = GraalCompiler::get_RiTypeFromSignature(fd->constants(), fd->signature_index(), fd->field_holder(), Thread::current()); Handle field = VMToCompiler::createRiField(_resolved_type_holder, VmIds::toString<Handle>(fd->name(), Thread::current()), type, fd->offset(), fd->access_flags().as_int(), Thread::current()); _field_array.append(field()); } } } }; MyFieldClosure closure(k, JNIHandles::resolve(klass)); k->do_nonstatic_fields(&closure); objArrayHandle field_array = oopFactory::new_objArray(SystemDictionary::RiResolvedField_klass(), closure._field_array.length(), CHECK_NULL); for (int i=0; i<closure._field_array.length(); ++i) { field_array->obj_at_put(i, closure._field_array.at(i)()); } return JNIHandles::make_local(field_array()); } // public RiType getPrimitiveArrayType(CiKind kind); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_getPrimitiveArrayType(JNIEnv *env, jobject, jobject kind) { TRACE_graal_3("CompilerToVM::getPrimitiveArrayType"); VM_ENTRY_MARK; BasicType type = GraalCompiler::kindToBasicType(CiKind::typeChar(kind)); assert(type != T_OBJECT, "primitive type expecteds"); Handle result = GraalCompiler::get_RiType(Universe::typeArrayKlassObj(type), CHECK_NULL); return JNIHandles::make_local(THREAD, result()); } // public long getMaxCallTargetOffset(CiRuntimeCall rtcall); JNIEXPORT jlong JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_getMaxCallTargetOffset(JNIEnv *env, jobject, jobject rtcall) { TRACE_graal_3("CompilerToVM::getMaxCallTargetOffset"); VM_ENTRY_MARK; oop call = JNIHandles::resolve(rtcall); address target_addr = CodeInstaller::runtime_call_target_address(call); if (target_addr != 0x0) { int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); return MAX2(ABS(off_low), ABS(off_high)); } return -1; } // public RiType getType(Class<?> javaClass); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_getType(JNIEnv *env, jobject, jobject javaClass) { TRACE_graal_3("CompilerToVM::getType"); VM_ENTRY_MARK; oop javaClassOop = JNIHandles::resolve(javaClass); if (javaClassOop == NULL) { fatal("argument to CompilerToVM.getType must not be NULL"); return NULL; } else if (java_lang_Class::is_primitive(javaClassOop)) { BasicType basicType = java_lang_Class::primitive_type(javaClassOop); return JNIHandles::make_local(THREAD, VMToCompiler::createRiTypePrimitive((int) basicType, THREAD)); } else { KlassHandle klass = java_lang_Class::as_klassOop(javaClassOop); Handle name = java_lang_String::create_from_symbol(klass->name(), CHECK_NULL); Handle type = GraalCompiler::createHotSpotTypeResolved(klass, name, CHECK_NULL); return JNIHandles::make_local(THREAD, type()); } } // helpers used to set fields in the HotSpotVMConfig object jfieldID getFieldID(JNIEnv* env, jobject obj, const char* name, const char* sig) { jfieldID id = env->GetFieldID(env->GetObjectClass(obj), name, sig); if (id == NULL) { fatal(err_msg("field not found: %s (%s)", name, sig)); } return id; } void set_boolean(JNIEnv* env, jobject obj, const char* name, bool value) { env->SetBooleanField(obj, getFieldID(env, obj, name, "Z"), value); } void set_int(JNIEnv* env, jobject obj, const char* name, int value) { env->SetIntField(obj, getFieldID(env, obj, name, "I"), value); } void set_long(JNIEnv* env, jobject obj, const char* name, jlong value) { env->SetLongField(obj, getFieldID(env, obj, name, "J"), value); } void set_object(JNIEnv* env, jobject obj, const char* name, jobject value) { env->SetObjectField(obj, getFieldID(env, obj, name, "Ljava/lang/Object;"), value); } void set_int_array(JNIEnv* env, jobject obj, const char* name, jarray value) { env->SetObjectField(obj, getFieldID(env, obj, name, "[I"), value); } jboolean get_boolean(JNIEnv* env, jobject obj, const char* name) { return env->GetBooleanField(obj, getFieldID(env, obj, name, "Z")); } jint get_int(JNIEnv* env, jobject obj, const char* name) { return env->GetIntField(obj, getFieldID(env, obj, name, "I")); } jlong get_long(JNIEnv* env, jobject obj, const char* name) { return env->GetLongField(obj, getFieldID(env, obj, name, "J")); } jobject get_object(JNIEnv* env, jobject obj, const char* name) { return env->GetObjectField(obj, getFieldID(env, obj, name, "Ljava/lang/Object;")); } jobject get_object(JNIEnv* env, jobject obj, const char* name, const char* sig) { return env->GetObjectField(obj, getFieldID(env, obj, name, sig)); } BasicType basicTypes[] = { T_BOOLEAN, T_BYTE, T_SHORT, T_CHAR, T_INT, T_FLOAT, T_LONG, T_DOUBLE, T_OBJECT }; int basicTypeCount = sizeof(basicTypes) / sizeof(BasicType); // public HotSpotVMConfig getConfiguration(); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_getConfiguration(JNIEnv *env, jobject) { jclass klass = env->FindClass("com/oracle/max/graal/hotspot/HotSpotVMConfig"); assert(klass != NULL, "HotSpot vm config class not found"); jobject config = env->AllocObject(klass); #ifdef _WIN64 set_boolean(env, config, "windowsOs", true); #else set_boolean(env, config, "windowsOs", false); #endif set_boolean(env, config, "verifyPointers", VerifyOops); set_boolean(env, config, "useFastLocking", UseFastLocking); set_boolean(env, config, "useFastNewObjectArray", UseFastNewObjectArray); set_boolean(env, config, "useFastNewTypeArray", UseFastNewTypeArray); set_int(env, config, "codeEntryAlignment", CodeEntryAlignment); set_int(env, config, "vmPageSize", os::vm_page_size()); set_int(env, config, "stackShadowPages", StackShadowPages); set_int(env, config, "hubOffset", oopDesc::klass_offset_in_bytes()); set_int(env, config, "arrayLengthOffset", arrayOopDesc::length_offset_in_bytes()); set_int(env, config, "klassStateOffset", instanceKlass::init_state_offset_in_bytes() + sizeof(oopDesc)); set_int(env, config, "klassStateFullyInitialized", (int)instanceKlass::fully_initialized); set_int(env, config, "threadTlabTopOffset", in_bytes(JavaThread::tlab_top_offset())); set_int(env, config, "threadTlabEndOffset", in_bytes(JavaThread::tlab_end_offset())); set_int(env, config, "threadObjectOffset", in_bytes(JavaThread::threadObj_offset())); set_int(env, config, "instanceHeaderPrototypeOffset", Klass::prototype_header_offset_in_bytes() + klassOopDesc::klass_part_offset_in_bytes()); set_int(env, config, "threadExceptionOopOffset", in_bytes(JavaThread::exception_oop_offset())); set_int(env, config, "threadExceptionPcOffset", in_bytes(JavaThread::exception_pc_offset())); set_int(env, config, "threadMultiNewArrayStorage", in_bytes(JavaThread::graal_multinewarray_storage_offset())); set_int(env, config, "classMirrorOffset", klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes()); set_long(env, config, "debugStub", VmIds::addStub((address)warning)); set_long(env, config, "instanceofStub", VmIds::addStub(Runtime1::entry_for(Runtime1::slow_subtype_check_id))); set_long(env, config, "verifyPointerStub", VmIds::addStub(Runtime1::entry_for(Runtime1::graal_verify_pointer_id))); set_long(env, config, "newInstanceStub", VmIds::addStub(Runtime1::entry_for(Runtime1::fast_new_instance_init_check_id))); set_long(env, config, "unresolvedNewInstanceStub", VmIds::addStub(Runtime1::entry_for(Runtime1::new_instance_id))); set_long(env, config, "newTypeArrayStub", VmIds::addStub(Runtime1::entry_for(Runtime1::new_type_array_id))); set_long(env, config, "newObjectArrayStub", VmIds::addStub(Runtime1::entry_for(Runtime1::new_object_array_id))); set_long(env, config, "newMultiArrayStub", VmIds::addStub(Runtime1::entry_for(Runtime1::new_multi_array_id))); set_long(env, config, "loadKlassStub", VmIds::addStub(Runtime1::entry_for(Runtime1::load_klass_patching_id))); set_long(env, config, "accessFieldStub", VmIds::addStub(Runtime1::entry_for(Runtime1::access_field_patching_id))); set_long(env, config, "resolveStaticCallStub", VmIds::addStub(SharedRuntime::get_resolve_static_call_stub())); set_long(env, config, "inlineCacheMissStub", VmIds::addStub(SharedRuntime::get_ic_miss_stub())); set_long(env, config, "unwindExceptionStub", VmIds::addStub(Runtime1::entry_for(Runtime1::graal_unwind_exception_call_id))); set_long(env, config, "handleExceptionStub", VmIds::addStub(Runtime1::entry_for(Runtime1::handle_exception_nofpu_id))); set_long(env, config, "handleDeoptStub", VmIds::addStub(SharedRuntime::deopt_blob()->unpack())); set_long(env, config, "monitorEnterStub", VmIds::addStub(Runtime1::entry_for(Runtime1::monitorenter_id))); set_long(env, config, "monitorExitStub", VmIds::addStub(Runtime1::entry_for(Runtime1::monitorexit_id))); set_long(env, config, "fastMonitorEnterStub", VmIds::addStub(Runtime1::entry_for(Runtime1::graal_monitorenter_id))); set_long(env, config, "fastMonitorExitStub", VmIds::addStub(Runtime1::entry_for(Runtime1::graal_monitorexit_id))); set_long(env, config, "safepointPollingAddress", (jlong)(os::get_polling_page() + (SafepointPollOffset % os::vm_page_size()))); set_int(env, config, "runtimeCallStackSize", (jint)frame::arg_reg_save_area_bytes); set_int(env, config, "klassModifierFlagsOffset", Klass::modifier_flags_offset_in_bytes() + sizeof(oopDesc)); set_int(env, config, "klassOopOffset", java_lang_Class::klass_offset_in_bytes()); set_boolean(env, config, "isPollingPageFar", Assembler::is_polling_page_far()); set_int(env, config, "nmethodEntryOffset", nmethod::verified_entry_point_offset()); BarrierSet* bs = Universe::heap()->barrier_set(); switch (bs->kind()) { case BarrierSet::CardTableModRef: case BarrierSet::CardTableExtension: { jlong base = (jlong)((CardTableModRefBS*)bs)->byte_map_base; assert(base != 0, "unexpected byte_map_base"); set_long(env, config, "cardtableStartAddress", base); set_int(env, config, "cardtableShift", CardTableModRefBS::card_shift); break; } case BarrierSet::ModRef: case BarrierSet::Other: set_long(env, config, "cardtableStartAddress", 0); set_int(env, config, "cardtableShift", 0); // No post barriers break; #ifndef SERIALGC case BarrierSet::G1SATBCT: case BarrierSet::G1SATBCTLogging: #endif // SERIALGC default: ShouldNotReachHere(); break; } jintArray arrayOffsets = env->NewIntArray(basicTypeCount); for (int i=0; i<basicTypeCount; i++) { jint offset = arrayOopDesc::base_offset_in_bytes(basicTypes[i]); env->SetIntArrayRegion(arrayOffsets, i, 1, &offset); } set_int_array(env, config, "arrayOffsets", arrayOffsets); set_int(env, config, "arrayClassElementOffset", objArrayKlass::element_klass_offset_in_bytes() + sizeof(oopDesc)); return config; } // public HotSpotCompiledMethod installMethod(HotSpotTargetMethod targetMethod, boolean installCode); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_installMethod(JNIEnv *jniEnv, jobject, jobject targetMethod, jboolean install_code) { VM_ENTRY_MARK; ResourceMark rm; HandleMark hm; Handle targetMethodHandle = JNIHandles::resolve(targetMethod); nmethod* nm = NULL; Arena arena; ciEnv env(&arena); CodeInstaller installer(targetMethodHandle, nm, install_code != 0); // if install_code is true then we installed the code into the given method, no need to return an RiCompiledMethod if (!install_code && nm != NULL) { instanceKlass::cast(HotSpotCompiledMethod::klass())->initialize(CHECK_NULL); Handle obj = instanceKlass::cast(HotSpotCompiledMethod::klass())->allocate_permanent_instance(CHECK_NULL); assert(obj() != NULL, "must succeed in allocating instance"); HotSpotCompiledMethod::set_nmethod(obj, (jlong) nm); HotSpotCompiledMethod::set_method(obj, HotSpotTargetMethod::method(targetMethod)); nm->set_graal_compiled_method(obj()); return JNIHandles::make_local(obj()); } else { return NULL; } } // public long installStub(HotSpotTargetMethod targetMethod, String name); JNIEXPORT jlong JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_installStub(JNIEnv *jniEnv, jobject, jobject targetMethod) { VM_ENTRY_MARK; ResourceMark rm; HandleMark hm; Handle targetMethodHandle = JNIHandles::resolve(targetMethod); jlong id; Arena arena; ciEnv env(&arena); CodeInstaller installer(targetMethodHandle, id); return id; } // public String disassembleNative(byte[] code, long address); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_disassembleNative(JNIEnv *jniEnv, jobject, jbyteArray code, jlong start_address) { TRACE_graal_3("CompilerToVM::disassembleNative"); VM_ENTRY_MARK; ResourceMark rm; HandleMark hm; stringStream(st); arrayOop code_oop = (arrayOop) JNIHandles::resolve(code); int len = code_oop->length(); address begin = (address) code_oop->base(T_BYTE); address end = begin + len; Disassembler::decode(begin, end, &st); Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL); return JNIHandles::make_local(result()); } // public String disassembleJava(HotSpotMethodResolved method); JNIEXPORT jobject JNICALL Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_disassembleJava(JNIEnv *env, jobject, jobject hotspot_method) { TRACE_graal_3("CompilerToVM::disassembleJava"); // Important: The bytecode printing functions are all NOT PRODUCT code, so this method returns an empty string for a product VM build. VM_ENTRY_MARK; ResourceMark rm; HandleMark hm; methodHandle method = getMethodFromHotSpotMethod(hotspot_method); // Note: cannot use resource-allocated stringStream because print_code_on has its own ResourceMark. bufferedStream(st); method->print_codes_on(&st); Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL); return JNIHandles::make_local(result()); } #define CC (char*) /*cast a literal from (const char*)*/ #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(Java_com_oracle_max_graal_hotspot_bridge_CompilerToVMImpl_##f)) #define PROXY "J" #define TYPE "Lcom/oracle/max/cri/ri/RiType;" #define RESOLVED_TYPE "Lcom/oracle/max/graal/hotspot/ri/HotSpotTypeResolved;" #define METHOD "Lcom/oracle/max/cri/ri/RiMethod;" #define RESOLVED_METHOD "Lcom/oracle/max/graal/hotspot/ri/HotSpotMethodResolved;" #define REFLECT_METHOD "Ljava/lang/reflect/Method;" #define TYPE_PROFILE "Lcom/oracle/max/cri/ri/RiTypeProfile;" #define SIGNATURE "Lcom/oracle/max/cri/ri/RiSignature;" #define FIELD "Lcom/oracle/max/cri/ri/RiField;" #define RESOLVED_FIELD "Lcom/oracle/max/cri/ri/RiResolvedField;" #define CONSTANT_POOL "Lcom/oracle/max/cri/ri/RiConstantPool;" #define EXCEPTION_HANDLERS "[Lcom/oracle/max/cri/ri/RiExceptionHandler;" #define TARGET_METHOD "Lcom/oracle/max/graal/hotspot/HotSpotTargetMethod;" #define CONFIG "Lcom/oracle/max/graal/hotspot/HotSpotVMConfig;" #define HS_METHOD "Lcom/oracle/max/graal/hotspot/ri/HotSpotMethod;" #define HS_COMP_METHOD "Lcom/oracle/max/graal/hotspot/ri/HotSpotCompiledMethod;" #define CI_CONSTANT "Lcom/oracle/max/cri/ci/CiConstant;" #define CI_KIND "Lcom/oracle/max/cri/ci/CiKind;" #define CI_RUNTIME_CALL "Lcom/oracle/max/cri/ci/CiRuntimeCall;" #define STRING "Ljava/lang/String;" #define OBJECT "Ljava/lang/Object;" #define CLASS "Ljava/lang/Class;" JNINativeMethod CompilerToVM_methods[] = { {CC"RiMethod_code", CC"("RESOLVED_METHOD")[B", FN_PTR(RiMethod_1code)}, {CC"RiMethod_signature", CC"("RESOLVED_METHOD")"STRING, FN_PTR(RiMethod_1signature)}, {CC"RiMethod_exceptionHandlers", CC"("RESOLVED_METHOD")"EXCEPTION_HANDLERS, FN_PTR(RiMethod_1exceptionHandlers)}, {CC"RiMethod_hasBalancedMonitors", CC"("RESOLVED_METHOD")Z", FN_PTR(RiMethod_1hasBalancedMonitors)}, {CC"RiMethod_uniqueConcreteMethod", CC"("RESOLVED_METHOD")"METHOD, FN_PTR(RiMethod_1uniqueConcreteMethod)}, {CC"getRiMethod", CC"("REFLECT_METHOD")"METHOD, FN_PTR(getRiMethod)}, {CC"RiMethod_typeProfile", CC"("RESOLVED_METHOD"I)"TYPE_PROFILE, FN_PTR(RiMethod_2typeProfile)}, {CC"RiMethod_branchProbability", CC"("RESOLVED_METHOD"I)D", FN_PTR(RiMethod_2branchProbability)}, {CC"RiMethod_switchProbability", CC"("RESOLVED_METHOD"I)[D", FN_PTR(RiMethod_2switchProbability)}, {CC"RiMethod_invocationCount", CC"("RESOLVED_METHOD")I", FN_PTR(RiMethod_1invocationCount)}, {CC"RiMethod_exceptionProbability", CC"("RESOLVED_METHOD"I)I", FN_PTR(RiMethod_2exceptionProbability)}, {CC"RiMethod_hasCompiledCode", CC"("RESOLVED_METHOD")Z", FN_PTR(RiMethod_1hasCompiledCode)}, {CC"RiSignature_lookupType", CC"("STRING RESOLVED_TYPE")"TYPE, FN_PTR(RiSignature_1lookupType)}, {CC"RiConstantPool_lookupConstant", CC"("RESOLVED_TYPE"I)"OBJECT, FN_PTR(RiConstantPool_1lookupConstant)}, {CC"RiConstantPool_lookupMethod", CC"("RESOLVED_TYPE"IB)"METHOD, FN_PTR(RiConstantPool_1lookupMethod)}, {CC"RiConstantPool_lookupType", CC"("RESOLVED_TYPE"I)"TYPE, FN_PTR(RiConstantPool_1lookupType)}, {CC"RiConstantPool_loadReferencedType", CC"("RESOLVED_TYPE"IB)V", FN_PTR(RiConstantPool_1loadReferencedType)}, {CC"RiConstantPool_lookupField", CC"("RESOLVED_TYPE"IB)"FIELD, FN_PTR(RiConstantPool_1lookupField)}, {CC"RiType_resolveMethodImpl", CC"("RESOLVED_TYPE STRING STRING")"METHOD, FN_PTR(RiType_3resolveMethodImpl)}, {CC"RiType_isSubtypeOf", CC"("RESOLVED_TYPE TYPE")Z", FN_PTR(RiType_2isSubtypeOf)}, {CC"RiType_componentType", CC"("RESOLVED_TYPE")"TYPE, FN_PTR(RiType_1componentType)}, {CC"RiType_uniqueConcreteSubtype", CC"("RESOLVED_TYPE")"TYPE, FN_PTR(RiType_1uniqueConcreteSubtype)}, {CC"RiType_superType", CC"("RESOLVED_TYPE")"TYPE, FN_PTR(RiType_1superType)}, {CC"RiType_arrayOf", CC"("RESOLVED_TYPE")"TYPE, FN_PTR(RiType_1arrayOf)}, {CC"RiType_fields", CC"("RESOLVED_TYPE")["RESOLVED_FIELD, FN_PTR(RiType_1fields)}, {CC"RiType_isInitialized", CC"("RESOLVED_TYPE")Z", FN_PTR(RiType_1isInitialized)}, {CC"getPrimitiveArrayType", CC"("CI_KIND")"TYPE, FN_PTR(getPrimitiveArrayType)}, {CC"getMaxCallTargetOffset", CC"("CI_RUNTIME_CALL")J", FN_PTR(getMaxCallTargetOffset)}, {CC"getType", CC"("CLASS")"TYPE, FN_PTR(getType)}, {CC"getConfiguration", CC"()"CONFIG, FN_PTR(getConfiguration)}, {CC"installMethod", CC"("TARGET_METHOD"Z)"HS_COMP_METHOD, FN_PTR(installMethod)}, {CC"installStub", CC"("TARGET_METHOD")"PROXY, FN_PTR(installStub)}, {CC"disassembleNative", CC"([BJ)"STRING, FN_PTR(disassembleNative)}, {CC"disassembleJava", CC"("RESOLVED_METHOD")"STRING, FN_PTR(disassembleJava)}, }; int CompilerToVM_methods_count() { return sizeof(CompilerToVM_methods) / sizeof(JNINativeMethod); }