Mercurial > hg > truffle
view src/share/vm/graal/graalRuntime.cpp @ 16662:e7b7a5be4d21
Merge
author | Stefan Anzinger <stefan.anzinger@gmail.com> |
---|---|
date | Wed, 30 Jul 2014 10:39:39 -0700 |
parents | a7d9b88ecd68 |
children | d3fec84757ed |
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/* * Copyright (c) 2012, 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 "asm/codeBuffer.hpp" #include "compiler/compileBroker.hpp" #include "graal/graalRuntime.hpp" #include "graal/graalCompilerToVM.hpp" #include "graal/graalCompiler.hpp" #include "graal/graalJavaAccess.hpp" #include "graal/graalEnv.hpp" #include "memory/oopFactory.hpp" #include "prims/jvm.h" #include "runtime/biasedLocking.hpp" #include "runtime/interfaceSupport.hpp" #include "runtime/arguments.hpp" #include "runtime/reflection.hpp" #include "utilities/debug.hpp" address GraalRuntime::_external_deopt_i2c_entry = NULL; jobject GraalRuntime::_HotSpotGraalRuntime_instance = NULL; void GraalRuntime::initialize_natives(JNIEnv *env, jclass c2vmClass) { uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end(); uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024; AMD64_ONLY(guarantee(heap_end < allocation_end, "heap end too close to end of address space (might lead to erroneous TLAB allocations)")); NOT_LP64(error("check TLAB allocation code for address space conflicts")); JavaThread* THREAD = JavaThread::current(); { ThreadToNativeFromVM trans(THREAD); ResourceMark rm; HandleMark hm; graal_compute_offsets(); _external_deopt_i2c_entry = create_external_deopt_i2c(); // Ensure _non_oop_bits is initialized Universe::non_oop_word(); env->RegisterNatives(c2vmClass, CompilerToVM_methods, CompilerToVM_methods_count()); } if (HAS_PENDING_EXCEPTION) { abort_on_pending_exception(PENDING_EXCEPTION, "Could not register natives"); } } BufferBlob* GraalRuntime::initialize_buffer_blob() { JavaThread* THREAD = JavaThread::current(); BufferBlob* buffer_blob = THREAD->get_buffer_blob(); if (buffer_blob == NULL) { buffer_blob = BufferBlob::create("Graal thread-local CodeBuffer", GraalNMethodSizeLimit); if (buffer_blob != NULL) { THREAD->set_buffer_blob(buffer_blob); } } return buffer_blob; } address GraalRuntime::create_external_deopt_i2c() { ResourceMark rm; BufferBlob* buffer = BufferBlob::create("externalDeopt", 1*K); CodeBuffer cb(buffer); short buffer_locs[20]; cb.insts()->initialize_shared_locs((relocInfo*)buffer_locs, sizeof(buffer_locs)/sizeof(relocInfo)); MacroAssembler masm(&cb); int total_args_passed = 5; BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed); VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed); int i = 0; sig_bt[i++] = T_INT; sig_bt[i++] = T_LONG; sig_bt[i++] = T_VOID; // long stakes 2 slots sig_bt[i++] = T_INT; sig_bt[i++] = T_OBJECT; int comp_args_on_stack = SharedRuntime::java_calling_convention(sig_bt, regs, total_args_passed, false); SharedRuntime::gen_i2c_adapter(&masm, total_args_passed, comp_args_on_stack, sig_bt, regs); masm.flush(); return AdapterBlob::create(&cb)->content_begin(); } BasicType GraalRuntime::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 '-': return T_ILLEGAL; default: fatal(err_msg("unexpected Kind: %c", ch)); break; } return T_ILLEGAL; } // Simple helper to see if the caller of a runtime stub which // entered the VM has been deoptimized static bool caller_is_deopted() { JavaThread* thread = JavaThread::current(); RegisterMap reg_map(thread, false); frame runtime_frame = thread->last_frame(); frame caller_frame = runtime_frame.sender(®_map); assert(caller_frame.is_compiled_frame(), "must be compiled"); return caller_frame.is_deoptimized_frame(); } // Stress deoptimization static void deopt_caller() { if ( !caller_is_deopted()) { JavaThread* thread = JavaThread::current(); RegisterMap reg_map(thread, false); frame runtime_frame = thread->last_frame(); frame caller_frame = runtime_frame.sender(®_map); Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); assert(caller_is_deopted(), "Must be deoptimized"); } } JRT_BLOCK_ENTRY(void, GraalRuntime::new_instance(JavaThread* thread, Klass* klass)) JRT_BLOCK; assert(klass->is_klass(), "not a class"); instanceKlassHandle h(thread, klass); h->check_valid_for_instantiation(true, CHECK); // make sure klass is initialized h->initialize(CHECK); // allocate instance and return via TLS oop obj = h->allocate_instance(CHECK); thread->set_vm_result(obj); JRT_BLOCK_END; if (GraalDeferredInitBarriers) { new_store_pre_barrier(thread); } JRT_END JRT_BLOCK_ENTRY(void, GraalRuntime::new_array(JavaThread* thread, Klass* array_klass, jint length)) JRT_BLOCK; // Note: no handle for klass needed since they are not used // anymore after new_objArray() and no GC can happen before. // (This may have to change if this code changes!) assert(array_klass->is_klass(), "not a class"); oop obj; if (array_klass->oop_is_typeArray()) { BasicType elt_type = TypeArrayKlass::cast(array_klass)->element_type(); obj = oopFactory::new_typeArray(elt_type, length, CHECK); } else { Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass(); obj = oopFactory::new_objArray(elem_klass, length, CHECK); } thread->set_vm_result(obj); // This is pretty rare but this runtime patch is stressful to deoptimization // if we deoptimize here so force a deopt to stress the path. if (DeoptimizeALot) { static int deopts = 0; // Alternate between deoptimizing and raising an error (which will also cause a deopt) if (deopts++ % 2 == 0) { ResourceMark rm(THREAD); THROW(vmSymbols::java_lang_OutOfMemoryError()); } else { deopt_caller(); } } JRT_BLOCK_END; if (GraalDeferredInitBarriers) { new_store_pre_barrier(thread); } JRT_END void GraalRuntime::new_store_pre_barrier(JavaThread* thread) { // After any safepoint, just before going back to compiled code, // we inform the GC that we will be doing initializing writes to // this object in the future without emitting card-marks, so // GC may take any compensating steps. // NOTE: Keep this code consistent with GraphKit::store_barrier. oop new_obj = thread->vm_result(); if (new_obj == NULL) return; assert(Universe::heap()->can_elide_tlab_store_barriers(), "compiler must check this first"); // GC may decide to give back a safer copy of new_obj. new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj); thread->set_vm_result(new_obj); } JRT_ENTRY(void, GraalRuntime::new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims)) assert(klass->is_klass(), "not a class"); assert(rank >= 1, "rank must be nonzero"); oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK); thread->set_vm_result(obj); JRT_END JRT_ENTRY(void, GraalRuntime::dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length)) oop obj = Reflection::reflect_new_array(element_mirror, length, CHECK); thread->set_vm_result(obj); JRT_END JRT_ENTRY(void, GraalRuntime::dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror)) instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(type_mirror)); if (klass == NULL) { ResourceMark rm(THREAD); THROW(vmSymbols::java_lang_InstantiationException()); } // Create new instance (the receiver) klass->check_valid_for_instantiation(false, CHECK); // Make sure klass gets initialized klass->initialize(CHECK); oop obj = klass->allocate_instance(CHECK); thread->set_vm_result(obj); JRT_END extern void vm_exit(int code); // Enter this method from compiled code handler below. This is where we transition // to VM mode. This is done as a helper routine so that the method called directly // from compiled code does not have to transition to VM. This allows the entry // method to see if the nmethod that we have just looked up a handler for has // been deoptimized while we were in the vm. This simplifies the assembly code // cpu directories. // // We are entering here from exception stub (via the entry method below) // If there is a compiled exception handler in this method, we will continue there; // otherwise we will unwind the stack and continue at the caller of top frame method // Note: we enter in Java using a special JRT wrapper. This wrapper allows us to // control the area where we can allow a safepoint. After we exit the safepoint area we can // check to see if the handler we are going to return is now in a nmethod that has // been deoptimized. If that is the case we return the deopt blob // unpack_with_exception entry instead. This makes life for the exception blob easier // because making that same check and diverting is painful from assembly language. JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* thread, oopDesc* ex, address pc, nmethod*& nm)) // Reset method handle flag. thread->set_is_method_handle_return(false); Handle exception(thread, ex); nm = CodeCache::find_nmethod(pc); assert(nm != NULL, "this is not an nmethod"); // Adjust the pc as needed/ if (nm->is_deopt_pc(pc)) { RegisterMap map(thread, false); frame exception_frame = thread->last_frame().sender(&map); // if the frame isn't deopted then pc must not correspond to the caller of last_frame assert(exception_frame.is_deoptimized_frame(), "must be deopted"); pc = exception_frame.pc(); } #ifdef ASSERT assert(exception.not_null(), "NULL exceptions should be handled by throw_exception"); assert(exception->is_oop(), "just checking"); // Check that exception is a subclass of Throwable, otherwise we have a VerifyError if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { if (ExitVMOnVerifyError) vm_exit(-1); ShouldNotReachHere(); } #endif // Check the stack guard pages and reenable them if necessary and there is // enough space on the stack to do so. Use fast exceptions only if the guard // pages are enabled. bool guard_pages_enabled = thread->stack_yellow_zone_enabled(); if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack(); if (JvmtiExport::can_post_on_exceptions()) { // To ensure correct notification of exception catches and throws // we have to deoptimize here. If we attempted to notify the // catches and throws during this exception lookup it's possible // we could deoptimize on the way out of the VM and end back in // the interpreter at the throw site. This would result in double // notifications since the interpreter would also notify about // these same catches and throws as it unwound the frame. RegisterMap reg_map(thread); frame stub_frame = thread->last_frame(); frame caller_frame = stub_frame.sender(®_map); // We don't really want to deoptimize the nmethod itself since we // can actually continue in the exception handler ourselves but I // don't see an easy way to have the desired effect. Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); assert(caller_is_deopted(), "Must be deoptimized"); return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); } // ExceptionCache is used only for exceptions at call sites and not for implicit exceptions if (guard_pages_enabled) { address fast_continuation = nm->handler_for_exception_and_pc(exception, pc); if (fast_continuation != NULL) { // Set flag if return address is a method handle call site. thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); return fast_continuation; } } // If the stack guard pages are enabled, check whether there is a handler in // the current method. Otherwise (guard pages disabled), force an unwind and // skip the exception cache update (i.e., just leave continuation==NULL). address continuation = NULL; if (guard_pages_enabled) { // New exception handling mechanism can support inlined methods // with exception handlers since the mappings are from PC to PC // debugging support // tracing if (TraceExceptions) { ttyLocker ttyl; ResourceMark rm; int offset = pc - nm->code_begin(); tty->print_cr("Exception <%s> (0x%x) thrown in compiled method <%s> at PC " PTR_FORMAT " [" PTR_FORMAT "+%d] for thread 0x%x", exception->print_value_string(), (address)exception(), nm->method()->print_value_string(), pc, nm->code_begin(), offset, thread); } // for AbortVMOnException flag NOT_PRODUCT(Exceptions::debug_check_abort(exception)); // Clear out the exception oop and pc since looking up an // exception handler can cause class loading, which might throw an // exception and those fields are expected to be clear during // normal bytecode execution. thread->set_exception_oop(NULL); thread->set_exception_pc(NULL); continuation = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, false, false); // If an exception was thrown during exception dispatch, the exception oop may have changed thread->set_exception_oop(exception()); thread->set_exception_pc(pc); // the exception cache is used only by non-implicit exceptions if (continuation != NULL && !SharedRuntime::deopt_blob()->contains(continuation)) { nm->add_handler_for_exception_and_pc(exception, pc, continuation); } } // Set flag if return address is a method handle call site. thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); if (TraceExceptions) { ttyLocker ttyl; ResourceMark rm; tty->print_cr("Thread " PTR_FORMAT " continuing at PC " PTR_FORMAT " for exception thrown at PC " PTR_FORMAT, thread, continuation, pc); } return continuation; JRT_END // Enter this method from compiled code only if there is a Java exception handler // in the method handling the exception. // We are entering here from exception stub. We don't do a normal VM transition here. // We do it in a helper. This is so we can check to see if the nmethod we have just // searched for an exception handler has been deoptimized in the meantime. address GraalRuntime::exception_handler_for_pc(JavaThread* thread) { oop exception = thread->exception_oop(); address pc = thread->exception_pc(); // Still in Java mode DEBUG_ONLY(ResetNoHandleMark rnhm); nmethod* nm = NULL; address continuation = NULL; { // Enter VM mode by calling the helper ResetNoHandleMark rnhm; continuation = exception_handler_for_pc_helper(thread, exception, pc, nm); } // Back in JAVA, use no oops DON'T safepoint // Now check to see if the nmethod we were called from is now deoptimized. // If so we must return to the deopt blob and deoptimize the nmethod if (nm != NULL && caller_is_deopted()) { continuation = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); } assert(continuation != NULL, "no handler found"); return continuation; } JRT_ENTRY(void, GraalRuntime::create_null_exception(JavaThread* thread)) SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); thread->set_vm_result(PENDING_EXCEPTION); CLEAR_PENDING_EXCEPTION; JRT_END JRT_ENTRY(void, GraalRuntime::create_out_of_bounds_exception(JavaThread* thread, jint index)) char message[jintAsStringSize]; sprintf(message, "%d", index); SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), message); thread->set_vm_result(PENDING_EXCEPTION); CLEAR_PENDING_EXCEPTION; JRT_END JRT_ENTRY_NO_ASYNC(void, GraalRuntime::monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock)) if (TraceGraal >= 3) { char type[O_BUFLEN]; obj->klass()->name()->as_C_string(type, O_BUFLEN); markOop mark = obj->mark(); tty->print_cr("%s: entered locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), obj, type, mark, lock); tty->flush(); } #ifdef ASSERT if (PrintBiasedLockingStatistics) { Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); } #endif Handle h_obj(thread, obj); assert(h_obj()->is_oop(), "must be NULL or an object"); if (UseBiasedLocking) { // Retry fast entry if bias is revoked to avoid unnecessary inflation ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK); } else { if (GraalUseFastLocking) { // When using fast locking, the compiled code has already tried the fast case ObjectSynchronizer::slow_enter(h_obj, lock, THREAD); } else { ObjectSynchronizer::fast_enter(h_obj, lock, false, THREAD); } } if (TraceGraal >= 3) { tty->print_cr("%s: exiting locking slow with obj=" INTPTR_FORMAT, thread->name(), obj); } JRT_END JRT_LEAF(void, GraalRuntime::monitorexit(JavaThread* thread, oopDesc* obj, BasicLock* lock)) assert(thread == JavaThread::current(), "threads must correspond"); assert(thread->last_Java_sp(), "last_Java_sp must be set"); // monitorexit is non-blocking (leaf routine) => no exceptions can be thrown EXCEPTION_MARK; #ifdef DEBUG if (!obj->is_oop()) { ResetNoHandleMark rhm; nmethod* method = thread->last_frame().cb()->as_nmethod_or_null(); if (method != NULL) { tty->print_cr("ERROR in monitorexit in method %s wrong obj " INTPTR_FORMAT, method->name(), obj); } thread->print_stack_on(tty); assert(false, "invalid lock object pointer dected"); } #endif if (GraalUseFastLocking) { // When using fast locking, the compiled code has already tried the fast case ObjectSynchronizer::slow_exit(obj, lock, THREAD); } else { ObjectSynchronizer::fast_exit(obj, lock, THREAD); } if (TraceGraal >= 3) { char type[O_BUFLEN]; obj->klass()->name()->as_C_string(type, O_BUFLEN); tty->print_cr("%s: exited locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), obj, type, obj->mark(), lock); tty->flush(); } JRT_END JRT_ENTRY(void, GraalRuntime::log_object(JavaThread* thread, oopDesc* obj, jint flags)) bool string = mask_bits_are_true(flags, LOG_OBJECT_STRING); bool addr = mask_bits_are_true(flags, LOG_OBJECT_ADDRESS); bool newline = mask_bits_are_true(flags, LOG_OBJECT_NEWLINE); if (!string) { if (!addr && obj->is_oop_or_null(true)) { char buf[O_BUFLEN]; tty->print("%s@%p", obj->klass()->name()->as_C_string(buf, O_BUFLEN), (address)obj); } else { tty->print("%p", (address)obj); } } else { ResourceMark rm; assert(obj != NULL && java_lang_String::is_instance(obj), "must be"); char *buf = java_lang_String::as_utf8_string(obj); tty->print(buf); } if (newline) { tty->cr(); } JRT_END JRT_LEAF(void, GraalRuntime::write_barrier_pre(JavaThread* thread, oopDesc* obj)) thread->satb_mark_queue().enqueue(obj); JRT_END JRT_LEAF(void, GraalRuntime::write_barrier_post(JavaThread* thread, void* card_addr)) thread->dirty_card_queue().enqueue(card_addr); JRT_END JRT_LEAF(jboolean, GraalRuntime::validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child)) bool ret = true; if(!Universe::heap()->is_in_closed_subset(parent)) { tty->print_cr("Parent Object "INTPTR_FORMAT" not in heap", parent); parent->print(); ret=false; } if(!Universe::heap()->is_in_closed_subset(child)) { tty->print_cr("Child Object "INTPTR_FORMAT" not in heap", child); child->print(); ret=false; } return (jint)ret; JRT_END JRT_ENTRY(void, GraalRuntime::vm_error(JavaThread* thread, jlong where, jlong format, jlong value)) ResourceMark rm; const char *error_msg = where == 0L ? "<internal Graal error>" : (char*) (address) where; char *detail_msg = NULL; if (format != 0L) { const char* buf = (char*) (address) format; size_t detail_msg_length = strlen(buf) * 2; detail_msg = (char *) NEW_RESOURCE_ARRAY(u_char, detail_msg_length); jio_snprintf(detail_msg, detail_msg_length, buf, value); } report_vm_error(__FILE__, __LINE__, error_msg, detail_msg); JRT_END JRT_LEAF(oopDesc*, GraalRuntime::load_and_clear_exception(JavaThread* thread)) oop exception = thread->exception_oop(); assert(exception != NULL, "npe"); thread->set_exception_oop(NULL); thread->set_exception_pc(0); return exception; JRT_END JRT_LEAF(void, GraalRuntime::log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3)) ResourceMark rm; assert(format != NULL && java_lang_String::is_instance(format), "must be"); char *buf = java_lang_String::as_utf8_string(format); tty->print(buf, v1, v2, v3); JRT_END static void decipher(jlong v, bool ignoreZero) { if (v != 0 || !ignoreZero) { void* p = (void *)(address) v; CodeBlob* cb = CodeCache::find_blob(p); if (cb) { if (cb->is_nmethod()) { char buf[O_BUFLEN]; tty->print("%s [%p+%d]", cb->as_nmethod_or_null()->method()->name_and_sig_as_C_string(buf, O_BUFLEN), cb->code_begin(), (address)v - cb->code_begin()); return; } cb->print_value_on(tty); return; } if (Universe::heap()->is_in(p)) { oop obj = oop(p); obj->print_value_on(tty); return; } tty->print("%p [long: %d, double %f, char %c]", v, v, v, v); } } JRT_LEAF(void, GraalRuntime::vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3)) ResourceMark rm; char *buf = (char*) (address) format; if (vmError) { if (buf != NULL) { fatal(err_msg(buf, v1, v2, v3)); } else { fatal("<anonymous error>"); } } else if (buf != NULL) { tty->print(buf, v1, v2, v3); } else { assert(v2 == 0, "v2 != 0"); assert(v3 == 0, "v3 != 0"); decipher(v1, false); } JRT_END JRT_ENTRY(void, GraalRuntime::log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline)) union { jlong l; jdouble d; jfloat f; } uu; uu.l = value; switch (typeChar) { case 'z': tty->print(value == 0 ? "false" : "true"); break; case 'b': tty->print("%d", (jbyte) value); break; case 'c': tty->print("%c", (jchar) value); break; case 's': tty->print("%d", (jshort) value); break; case 'i': tty->print("%d", (jint) value); break; case 'f': tty->print("%f", uu.f); break; case 'j': tty->print(INT64_FORMAT, value); break; case 'd': tty->print("%lf", uu.d); break; default: assert(false, "unknown typeChar"); break; } if (newline) { tty->cr(); } JRT_END JRT_ENTRY(jint, GraalRuntime::identity_hash_code(JavaThread* thread, oopDesc* obj)) return (jint) obj->identity_hash(); JRT_END JRT_ENTRY(jboolean, GraalRuntime::thread_is_interrupted(JavaThread* thread, oopDesc* receiver, jboolean clear_interrupted)) // Ensure that the C++ Thread and OSThread structures aren't freed before we operate Handle receiverHandle(thread, receiver); MutexLockerEx ml(thread->threadObj() == (void*)receiver ? NULL : Threads_lock); JavaThread* receiverThread = java_lang_Thread::thread(receiverHandle()); if (receiverThread == NULL) { // The other thread may exit during this process, which is ok so return false. return JNI_FALSE; } else { return (jint) Thread::is_interrupted(receiverThread, clear_interrupted != 0); } JRT_END // private static GraalRuntime Graal.initializeRuntime() JVM_ENTRY(jobject, JVM_GetGraalRuntime(JNIEnv *env, jclass c)) return GraalRuntime::get_HotSpotGraalRuntime_jobject(); JVM_END // private static String[] Graal.getServiceImpls(Class service) JVM_ENTRY(jobject, JVM_GetGraalServiceImpls(JNIEnv *env, jclass c, jclass serviceClass)) HandleMark hm; KlassHandle serviceKlass(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(serviceClass))); return JNIHandles::make_local(THREAD, GraalRuntime::get_service_impls(serviceKlass, THREAD)()); JVM_END // private static TruffleRuntime Truffle.createRuntime() JVM_ENTRY(jobject, JVM_CreateTruffleRuntime(JNIEnv *env, jclass c)) TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime", CHECK_NULL); KlassHandle klass = GraalRuntime::resolve_or_fail(name, CHECK_NULL); TempNewSymbol makeInstance = SymbolTable::new_symbol("makeInstance", CHECK_NULL); TempNewSymbol sig = SymbolTable::new_symbol("()Lcom/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime;", CHECK_NULL); JavaValue result(T_OBJECT); JavaCalls::call_static(&result, klass, makeInstance, sig, CHECK_NULL); return JNIHandles::make_local((oop) result.get_jobject()); JVM_END Handle GraalRuntime::get_HotSpotGraalRuntime() { if (JNIHandles::resolve(_HotSpotGraalRuntime_instance) == NULL) { Thread* THREAD = Thread::current(); TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/HotSpotGraalRuntime", CHECK_ABORT_(Handle())); KlassHandle klass = load_required_class(name); TempNewSymbol runtime = SymbolTable::new_symbol("runtime", CHECK_ABORT_(Handle())); TempNewSymbol sig = SymbolTable::new_symbol("()Lcom/oracle/graal/hotspot/HotSpotGraalRuntime;", CHECK_ABORT_(Handle())); JavaValue result(T_OBJECT); JavaCalls::call_static(&result, klass, runtime, sig, CHECK_ABORT_(Handle())); _HotSpotGraalRuntime_instance = JNIHandles::make_global((oop) result.get_jobject()); } return Handle(JNIHandles::resolve_non_null(_HotSpotGraalRuntime_instance)); } // private static void CompilerToVMImpl.init() JVM_ENTRY(void, JVM_InitializeGraalNatives(JNIEnv *env, jclass c2vmClass)) GraalRuntime::initialize_natives(env, c2vmClass); JVM_END // private static boolean HotSpotOptions.parseVMOptions() JVM_ENTRY(jboolean, JVM_ParseGraalOptions(JNIEnv *env, jclass c)) HandleMark hm; KlassHandle hotSpotOptionsClass(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(c))); return GraalRuntime::parse_arguments(hotSpotOptionsClass, CHECK_false); JVM_END jint GraalRuntime::check_arguments(TRAPS) { KlassHandle nullHandle; parse_arguments(nullHandle, THREAD); if (HAS_PENDING_EXCEPTION) { // Errors in parsing Graal arguments cause exceptions. // We now load and initialize HotSpotOptions which in turn // causes argument parsing to be redone with better error messages. CLEAR_PENDING_EXCEPTION; TempNewSymbol name = SymbolTable::new_symbol("Lcom/oracle/graal/hotspot/HotSpotOptions;", CHECK_ABORT_(JNI_ERR)); instanceKlassHandle hotSpotOptionsClass = resolve_or_fail(name, CHECK_ABORT_(JNI_ERR)); parse_arguments(hotSpotOptionsClass, THREAD); assert(HAS_PENDING_EXCEPTION, "must be"); ResourceMark rm; Handle exception = PENDING_EXCEPTION; CLEAR_PENDING_EXCEPTION; oop message = java_lang_Throwable::message(exception); if (message != NULL) { tty->print_cr("Error parsing Graal options: %s", java_lang_String::as_utf8_string(message)); } else { call_printStackTrace(exception, THREAD); } return JNI_ERR; } return JNI_OK; } bool GraalRuntime::parse_arguments(KlassHandle hotSpotOptionsClass, TRAPS) { ResourceMark rm(THREAD); // Process option overrides from graal.options first parse_graal_options_file(hotSpotOptionsClass, CHECK_false); // Now process options on the command line int numOptions = Arguments::num_graal_args(); for (int i = 0; i < numOptions; i++) { char* arg = Arguments::graal_args_array()[i]; parse_argument(hotSpotOptionsClass, arg, CHECK_false); } return CITime || CITimeEach; } void GraalRuntime::check_required_value(const char* name, int name_len, const char* value, TRAPS) { if (value == NULL) { char buf[200]; jio_snprintf(buf, sizeof(buf), "Must use '-G:%.*s=<value>' format for %.*s option", name_len, name, name_len, name); THROW_MSG(vmSymbols::java_lang_InternalError(), buf); } } void GraalRuntime::parse_argument(KlassHandle hotSpotOptionsClass, char* arg, TRAPS) { char first = arg[0]; char* name; size_t name_len; bool recognized = true; if (first == '+' || first == '-') { name = arg + 1; name_len = strlen(name); recognized = set_option(hotSpotOptionsClass, name, (int)name_len, arg, CHECK); } else { char* sep = strchr(arg, '='); name = arg; char* value = NULL; if (sep != NULL) { name_len = sep - name; value = sep + 1; } else { name_len = strlen(name); } recognized = set_option(hotSpotOptionsClass, name, (int)name_len, value, CHECK); } if (!recognized) { bool throw_err = hotSpotOptionsClass.is_null(); if (!hotSpotOptionsClass.is_null()) { set_option_helper(hotSpotOptionsClass, name, (int)name_len, Handle(), ' ', Handle(), 0L); if (!HAS_PENDING_EXCEPTION) { throw_err = true; } } if (throw_err) { char buf[200]; jio_snprintf(buf, sizeof(buf), "Unrecognized Graal option %.*s", name_len, name); THROW_MSG(vmSymbols::java_lang_InternalError(), buf); } } } void GraalRuntime::parse_graal_options_file(KlassHandle hotSpotOptionsClass, TRAPS) { const char* home = Arguments::get_java_home(); int path_len = (int)strlen(home) + (int)strlen("/lib/graal.options") + 1; char* path = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, path_len); char sep = os::file_separator()[0]; sprintf(path, "%s%clib%cgraal.options", home, sep, sep); struct stat st; if (os::stat(path, &st) == 0) { int file_handle = os::open(path, 0, 0); if (file_handle != -1) { char* buffer = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, st.st_size); int num_read = (int) os::read(file_handle, (char*) buffer, st.st_size); if (num_read == -1) { warning("Error reading file %s due to %s", path, strerror(errno)); } else if (num_read != st.st_size) { warning("Only read %d of %d bytes from %s", num_read, st.st_size, path); } os::close(file_handle); if (num_read == st.st_size) { char* line = buffer; int lineNo = 1; while (line - buffer < num_read) { char* nl = strchr(line, '\n'); if (nl != NULL) { *nl = '\0'; } parse_argument(hotSpotOptionsClass, line, THREAD); if (HAS_PENDING_EXCEPTION) { warning("Error in %s:%d", path, lineNo); return; } if (nl != NULL) { line = nl + 1; lineNo++; } else { // File without newline at the end break; } } } } else { warning("Error opening file %s due to %s", path, strerror(errno)); } } } jlong GraalRuntime::parse_primitive_option_value(char spec, const char* name, int name_len, const char* value, TRAPS) { check_required_value(name, name_len, value, CHECK_(0L)); union { jint i; jlong l; double d; } uu; uu.l = 0L; char dummy; switch (spec) { case 'd': case 'f': { if (sscanf(value, "%lf%c", &uu.d, &dummy) == 1) { return uu.l; } break; } case 'i': { if (sscanf(value, "%d%c", &uu.i, &dummy) == 1) { return uu.l; } break; } default: ShouldNotReachHere(); } ResourceMark rm(THREAD); char buf[200]; bool missing = strlen(value) == 0; if (missing) { jio_snprintf(buf, sizeof(buf), "Missing %s value for Graal option %.*s", (spec == 'i' ? "numeric" : "float/double"), name_len, name); } else { jio_snprintf(buf, sizeof(buf), "Invalid %s value for Graal option %.*s: %s", (spec == 'i' ? "numeric" : "float/double"), name_len, name, value); } THROW_MSG_(vmSymbols::java_lang_InternalError(), buf, 0L); } void GraalRuntime::set_option_helper(KlassHandle hotSpotOptionsClass, char* name, int name_len, Handle option, jchar spec, Handle stringValue, jlong primitiveValue) { Thread* THREAD = Thread::current(); Handle name_handle; if (name != NULL) { if ((int) strlen(name) > name_len) { // Temporarily replace '=' with NULL to create the Java string for the option name char save = name[name_len]; name[name_len] = '\0'; name_handle = java_lang_String::create_from_str(name, THREAD); name[name_len] = '='; if (HAS_PENDING_EXCEPTION) { return; } } else { assert((int) strlen(name) == name_len, "must be"); name_handle = java_lang_String::create_from_str(name, CHECK); } } TempNewSymbol setOption = SymbolTable::new_symbol("setOption", CHECK); TempNewSymbol sig = SymbolTable::new_symbol("(Ljava/lang/String;Lcom/oracle/graal/options/OptionValue;CLjava/lang/String;J)V", CHECK); JavaValue result(T_VOID); JavaCallArguments args; args.push_oop(name_handle()); args.push_oop(option()); args.push_int(spec); args.push_oop(stringValue()); args.push_long(primitiveValue); JavaCalls::call_static(&result, hotSpotOptionsClass, setOption, sig, &args, CHECK); } Handle GraalRuntime::get_OptionValue(const char* declaringClass, const char* fieldName, const char* fieldSig, TRAPS) { TempNewSymbol name = SymbolTable::new_symbol(declaringClass, CHECK_NH); Klass* klass = resolve_or_fail(name, CHECK_NH); // The class has been loaded so the field and signature should already be in the symbol // table. If they're not there, the field doesn't exist. TempNewSymbol fieldname = SymbolTable::probe(fieldName, (int)strlen(fieldName)); TempNewSymbol signame = SymbolTable::probe(fieldSig, (int)strlen(fieldSig)); if (fieldname == NULL || signame == NULL) { THROW_MSG_(vmSymbols::java_lang_NoSuchFieldError(), (char*) fieldName, Handle()); } // Make sure class is initialized before handing id's out to fields klass->initialize(CHECK_NH); fieldDescriptor fd; if (!InstanceKlass::cast(klass)->find_field(fieldname, signame, true, &fd)) { THROW_MSG_(vmSymbols::java_lang_NoSuchFieldError(), (char*) fieldName, Handle()); } Handle ret = klass->java_mirror()->obj_field(fd.offset()); return ret; } Handle GraalRuntime::create_Service(const char* name, TRAPS) { TempNewSymbol kname = SymbolTable::new_symbol(name, CHECK_NH); Klass* k = resolve_or_fail(kname, CHECK_NH); instanceKlassHandle klass(THREAD, k); klass->initialize(CHECK_NH); klass->check_valid_for_instantiation(true, CHECK_NH); JavaValue result(T_VOID); instanceHandle service = klass->allocate_instance_handle(CHECK_NH); JavaCalls::call_special(&result, service, klass, vmSymbols::object_initializer_name(), vmSymbols::void_method_signature(), THREAD); return service; } void GraalRuntime::shutdown() { if (_HotSpotGraalRuntime_instance != NULL) { JavaThread* THREAD = JavaThread::current(); HandleMark hm(THREAD); TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/HotSpotGraalRuntime", CHECK_ABORT); KlassHandle klass = load_required_class(name); JavaValue result(T_VOID); JavaCallArguments args; args.push_oop(get_HotSpotGraalRuntime()); JavaCalls::call_special(&result, klass, vmSymbols::shutdown_method_name(), vmSymbols::void_method_signature(), &args, CHECK_ABORT); JNIHandles::destroy_global(_HotSpotGraalRuntime_instance); _HotSpotGraalRuntime_instance = NULL; } } void GraalRuntime::call_printStackTrace(Handle exception, Thread* thread) { assert(exception->is_a(SystemDictionary::Throwable_klass()), "Throwable instance expected"); JavaValue result(T_VOID); JavaCalls::call_virtual(&result, exception, KlassHandle(thread, SystemDictionary::Throwable_klass()), vmSymbols::printStackTrace_name(), vmSymbols::void_method_signature(), thread); } oop GraalRuntime::compute_graal_class_loader(TRAPS) { assert(UseGraalClassLoader, "must be"); TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/loader/Factory", CHECK_NULL); KlassHandle klass = SystemDictionary::resolve_or_null(name, CHECK_NULL); TempNewSymbol getClassLoader = SymbolTable::new_symbol("newClassLoader", CHECK_NULL); JavaValue result(T_OBJECT); JavaCalls::call_static(&result, klass, getClassLoader, vmSymbols::void_classloader_signature(), CHECK_NULL); return (oop) result.get_jobject(); } void GraalRuntime::abort_on_pending_exception(Handle exception, const char* message, bool dump_core) { Thread* THREAD = Thread::current(); CLEAR_PENDING_EXCEPTION; tty->print_cr(message); call_printStackTrace(exception, THREAD); vm_abort(dump_core); } Klass* GraalRuntime::resolve_or_null(Symbol* name, TRAPS) { return SystemDictionary::resolve_or_null(name, SystemDictionary::graal_loader(), Handle(), CHECK_NULL); } Klass* GraalRuntime::resolve_or_fail(Symbol* name, TRAPS) { return SystemDictionary::resolve_or_fail(name, SystemDictionary::graal_loader(), Handle(), true, CHECK_NULL); } Klass* GraalRuntime::load_required_class(Symbol* name) { Klass* klass = resolve_or_null(name, Thread::current()); if (klass == NULL) { tty->print_cr("Could not load class %s", name->as_C_string()); vm_abort(false); } return klass; } #include "graalRuntime.inline.hpp"