Mercurial > hg > graal-compiler
diff src/share/vm/graal/graalRuntime.cpp @ 7221:2ae3e26b7e9a
Merge.
author | Christian Haeubl <haeubl@ssw.jku.at> |
---|---|
date | Tue, 11 Dec 2012 08:48:12 +0100 |
parents | fcae6d960acd 6c46172c04bf |
children | 720925633b3a |
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--- a/src/share/vm/graal/graalRuntime.cpp Tue Dec 11 08:28:00 2012 +0100 +++ b/src/share/vm/graal/graalRuntime.cpp Tue Dec 11 08:48:12 2012 +0100 @@ -1,618 +1,606 @@ -/* - * 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 "runtime/interfaceSupport.hpp" -#include "prims/jvm.h" -#include "graal/graalRuntime.hpp" -#include "graal/graalVMToCompiler.hpp" -#include "asm/codeBuffer.hpp" -#include "runtime/biasedLocking.hpp" - -// Implementation of GraalStubAssembler - -GraalStubAssembler::GraalStubAssembler(CodeBuffer* code, const char * name, int stub_id) : MacroAssembler(code) { - _name = name; - _must_gc_arguments = false; - _frame_size = no_frame_size; - _num_rt_args = 0; - _stub_id = stub_id; -} - - -void GraalStubAssembler::set_info(const char* name, bool must_gc_arguments) { - _name = name; - _must_gc_arguments = must_gc_arguments; -} - - -void GraalStubAssembler::set_frame_size(int size) { - if (_frame_size == no_frame_size) { - _frame_size = size; - } - assert(_frame_size == size, "can't change the frame size"); -} - - -void GraalStubAssembler::set_num_rt_args(int args) { - if (_num_rt_args == 0) { - _num_rt_args = args; - } - assert(_num_rt_args == args, "can't change the number of args"); -} - -// Implementation of GraalRuntime - -CodeBlob* GraalRuntime::_blobs[GraalRuntime::number_of_ids]; -const char *GraalRuntime::_blob_names[] = { - GRAAL_STUBS(STUB_NAME, LAST_STUB_NAME) -}; - -// 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"); - } -} - -static bool setup_code_buffer(CodeBuffer* code) { - // Preinitialize the consts section to some large size: - int locs_buffer_size = 1 * (relocInfo::length_limit + sizeof(relocInfo)); - char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size); - code->insts()->initialize_shared_locs((relocInfo*)locs_buffer, - locs_buffer_size / sizeof(relocInfo)); - - // Global stubs have neither constants nor local stubs - code->initialize_consts_size(0); - code->initialize_stubs_size(0); - - return true; -} - -void GraalRuntime::generate_blob_for(BufferBlob* buffer_blob, StubID id) { - assert(0 <= id && id < number_of_ids, "illegal stub id"); - ResourceMark rm; - // create code buffer for code storage - CodeBuffer code(buffer_blob); - - setup_code_buffer(&code); - - // create assembler for code generation - GraalStubAssembler* sasm = new GraalStubAssembler(&code, name_for(id), id); - // generate code for runtime stub - OopMapSet* oop_maps; - oop_maps = generate_code_for(id, sasm); - assert(oop_maps == NULL || sasm->frame_size() != no_frame_size, - "if stub has an oop map it must have a valid frame size"); - -#ifdef ASSERT - // Make sure that stubs that need oopmaps have them - switch (id) { - // These stubs don't need to have an oopmap - case graal_slow_subtype_check_id: -#if defined(SPARC) || defined(PPC) - case handle_exception_nofpu_id: // Unused on sparc -#endif -#ifdef GRAAL - case graal_verify_oop_id: - case graal_unwind_exception_call_id: - case graal_OSR_migration_end_id: - case graal_arithmetic_frem_id: - case graal_arithmetic_drem_id: - case graal_set_deopt_info_id: -#endif - break; - - // All other stubs should have oopmaps - default: - assert(oop_maps != NULL, "must have an oopmap"); - } -#endif - - // align so printing shows nop's instead of random code at the end (SimpleStubs are aligned) - sasm->align(BytesPerWord); - // make sure all code is in code buffer - sasm->flush(); - // create blob - distinguish a few special cases - CodeBlob* blob = RuntimeStub::new_runtime_stub(name_for(id), - &code, - CodeOffsets::frame_never_safe, - sasm->frame_size(), - oop_maps, - sasm->must_gc_arguments()); - // install blob - assert(blob != NULL, "blob must exist"); - _blobs[id] = blob; -} - - -void GraalRuntime::initialize(BufferBlob* blob) { - // generate stubs - for (int id = 0; id < number_of_ids; id++) generate_blob_for(blob, (StubID)id); - // printing -#ifndef PRODUCT - if (PrintSimpleStubs) { - ResourceMark rm; - for (int id = 0; id < number_of_ids; id++) { - _blobs[id]->print(); - if (_blobs[id]->oop_maps() != NULL) { - _blobs[id]->oop_maps()->print(); - } - } - } -#endif -} - - -CodeBlob* GraalRuntime::blob_for(StubID id) { - assert(0 <= id && id < number_of_ids, "illegal stub id"); - return _blobs[id]; -} - - -const char* GraalRuntime::name_for(StubID id) { - assert(0 <= id && id < number_of_ids, "illegal stub id"); - return _blob_names[id]; -} - -const char* GraalRuntime::name_for_address(address entry) { - for (int id = 0; id < number_of_ids; id++) { - if (entry == entry_for((StubID)id)) return name_for((StubID)id); - } - -#define FUNCTION_CASE(a, f) \ - if ((intptr_t)a == CAST_FROM_FN_PTR(intptr_t, f)) return #f - - FUNCTION_CASE(entry, os::javaTimeMillis); - FUNCTION_CASE(entry, os::javaTimeNanos); - FUNCTION_CASE(entry, SharedRuntime::OSR_migration_end); - FUNCTION_CASE(entry, SharedRuntime::d2f); - FUNCTION_CASE(entry, SharedRuntime::d2i); - FUNCTION_CASE(entry, SharedRuntime::d2l); - FUNCTION_CASE(entry, SharedRuntime::dcos); - FUNCTION_CASE(entry, SharedRuntime::dexp); - FUNCTION_CASE(entry, SharedRuntime::dlog); - FUNCTION_CASE(entry, SharedRuntime::dlog10); - FUNCTION_CASE(entry, SharedRuntime::dpow); - FUNCTION_CASE(entry, SharedRuntime::drem); - FUNCTION_CASE(entry, SharedRuntime::dsin); - FUNCTION_CASE(entry, SharedRuntime::dtan); - FUNCTION_CASE(entry, SharedRuntime::f2i); - FUNCTION_CASE(entry, SharedRuntime::f2l); - FUNCTION_CASE(entry, SharedRuntime::frem); - FUNCTION_CASE(entry, SharedRuntime::l2d); - FUNCTION_CASE(entry, SharedRuntime::l2f); - FUNCTION_CASE(entry, SharedRuntime::ldiv); - FUNCTION_CASE(entry, SharedRuntime::lmul); - FUNCTION_CASE(entry, SharedRuntime::lrem); - FUNCTION_CASE(entry, SharedRuntime::lrem); - FUNCTION_CASE(entry, SharedRuntime::dtrace_method_entry); - FUNCTION_CASE(entry, SharedRuntime::dtrace_method_exit); -#ifdef TRACE_HAVE_INTRINSICS - FUNCTION_CASE(entry, TRACE_TIME_METHOD); -#endif - - ShouldNotReachHere(); - return NULL; - -#undef FUNCTION_CASE -} - - -JRT_ENTRY(void, GraalRuntime::new_instance(JavaThread* thread, Klass* klass)) - 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_END - - -JRT_ENTRY(void, GraalRuntime::new_type_array(JavaThread* thread, Klass* klass, jint length)) - // Note: no handle for klass needed since they are not used - // anymore after new_typeArray() and no GC can happen before. - // (This may have to change if this code changes!) - assert(klass->is_klass(), "not a class"); - BasicType elt_type = TypeArrayKlass::cast(klass)->element_type(); - oop obj = oopFactory::new_typeArray(elt_type, 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) { - deopt_caller(); - } - -JRT_END - - -JRT_ENTRY(void, GraalRuntime::new_object_array(JavaThread* thread, Klass* array_klass, jint length)) - // 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"); - Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass(); - objArrayOop 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) { - deopt_caller(); - } -JRT_END - - -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::unimplemented_entry(JavaThread* thread, StubID id)) - tty->print_cr("GraalRuntime::entry_for(%d) returned unimplemented entry point", id); -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); - } - } - - thread->set_vm_result(exception()); - // 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::graal_create_null_exception(JavaThread* thread)) - thread->set_vm_result(Exceptions::new_exception(thread, vmSymbols::java_lang_NullPointerException(), NULL)()); -JRT_END - -JRT_ENTRY(void, GraalRuntime::graal_create_out_of_bounds_exception(JavaThread* thread, jint index)) - char message[jintAsStringSize]; - sprintf(message, "%d", index); - thread->set_vm_result(Exceptions::new_exception(thread, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), message)()); -JRT_END - -JRT_ENTRY_NO_ASYNC(void, GraalRuntime::graal_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 (UseFastLocking) { - // 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::graal_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 (UseFastLocking) { - // 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::graal_log_object(JavaThread* thread, oop obj, jint flags)) - bool string = mask_bits_are_true(flags, LOG_OBJECT_STRING); - bool address = mask_bits_are_true(flags, LOG_OBJECT_ADDRESS); - bool newline = mask_bits_are_true(flags, LOG_OBJECT_NEWLINE); - if (!string) { - if (!address && obj->is_oop_or_null(true)) { - char buf[O_BUFLEN]; - tty->print("%s@%p", obj->klass()->name()->as_C_string(buf, O_BUFLEN), obj); - } else { - tty->print("%p", 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_ENTRY(void, GraalRuntime::graal_vm_error(JavaThread* thread, oop where, oop format, jlong value)) - ResourceMark rm; - assert(where == NULL || java_lang_String::is_instance(where), "must be"); - const char *error_msg = where == NULL ? "<internal Graal error>" : java_lang_String::as_utf8_string(where); - char *detail_msg = NULL; - if (format != NULL) { - const char* buf = java_lang_String::as_utf8_string(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_ENTRY(void, GraalRuntime::graal_log_printf(JavaThread* thread, oop format, jlong val)) - 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, val); -JRT_END - -JRT_ENTRY(void, GraalRuntime::graal_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::graal_identity_hash_code(JavaThread* thread, oop obj)) - return (jint) obj->identity_hash(); -JRT_END - -JRT_ENTRY(jboolean, GraalRuntime::graal_thread_is_interrupted(JavaThread* thread, oop receiver, jboolean clear_interrupted)) - // TEMP: - tty->print_cr("ThreadIsInterruptedSlowCase"); - +/* + * 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 "runtime/interfaceSupport.hpp" +#include "prims/jvm.h" +#include "graal/graalRuntime.hpp" +#include "graal/graalVMToCompiler.hpp" +#include "asm/codeBuffer.hpp" +#include "runtime/biasedLocking.hpp" + +// Implementation of GraalStubAssembler + +GraalStubAssembler::GraalStubAssembler(CodeBuffer* code, const char * name, int stub_id) : MacroAssembler(code) { + _name = name; + _must_gc_arguments = false; + _frame_size = no_frame_size; + _num_rt_args = 0; + _stub_id = stub_id; +} + + +void GraalStubAssembler::set_info(const char* name, bool must_gc_arguments) { + _name = name; + _must_gc_arguments = must_gc_arguments; +} + + +void GraalStubAssembler::set_frame_size(int size) { + if (_frame_size == no_frame_size) { + _frame_size = size; + } + assert(_frame_size == size, "can't change the frame size"); +} + + +void GraalStubAssembler::set_num_rt_args(int args) { + if (_num_rt_args == 0) { + _num_rt_args = args; + } + assert(_num_rt_args == args, "can't change the number of args"); +} + +// Implementation of GraalRuntime + +CodeBlob* GraalRuntime::_blobs[GraalRuntime::number_of_ids]; +const char *GraalRuntime::_blob_names[] = { + GRAAL_STUBS(STUB_NAME, LAST_STUB_NAME) +}; + +// 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"); + } +} + +static bool setup_code_buffer(CodeBuffer* code) { + // Preinitialize the consts section to some large size: + int locs_buffer_size = 1 * (relocInfo::length_limit + sizeof(relocInfo)); + char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size); + code->insts()->initialize_shared_locs((relocInfo*)locs_buffer, + locs_buffer_size / sizeof(relocInfo)); + + // Global stubs have neither constants nor local stubs + code->initialize_consts_size(0); + code->initialize_stubs_size(0); + + return true; +} + +void GraalRuntime::generate_blob_for(BufferBlob* buffer_blob, StubID id) { + assert(0 <= id && id < number_of_ids, "illegal stub id"); + ResourceMark rm; + // create code buffer for code storage + CodeBuffer code(buffer_blob); + + setup_code_buffer(&code); + + // create assembler for code generation + GraalStubAssembler* sasm = new GraalStubAssembler(&code, name_for(id), id); + // generate code for runtime stub + OopMapSet* oop_maps; + oop_maps = generate_code_for(id, sasm); + assert(oop_maps == NULL || sasm->frame_size() != no_frame_size, + "if stub has an oop map it must have a valid frame size"); + +#ifdef ASSERT + // Make sure that stubs that need oopmaps have them + switch (id) { + // These stubs don't need to have an oopmap + case graal_slow_subtype_check_id: +#if defined(SPARC) || defined(PPC) + case handle_exception_nofpu_id: // Unused on sparc +#endif +#ifdef GRAAL + case graal_verify_oop_id: + case graal_unwind_exception_call_id: + case graal_OSR_migration_end_id: + case graal_arithmetic_frem_id: + case graal_arithmetic_drem_id: + case graal_set_deopt_info_id: +#endif + break; + + // All other stubs should have oopmaps + default: + assert(oop_maps != NULL, "must have an oopmap"); + } +#endif + + // align so printing shows nop's instead of random code at the end (SimpleStubs are aligned) + sasm->align(BytesPerWord); + // make sure all code is in code buffer + sasm->flush(); + // create blob - distinguish a few special cases + CodeBlob* blob = RuntimeStub::new_runtime_stub(name_for(id), + &code, + CodeOffsets::frame_never_safe, + sasm->frame_size(), + oop_maps, + sasm->must_gc_arguments()); + // install blob + assert(blob != NULL, "blob must exist"); + _blobs[id] = blob; +} + + +void GraalRuntime::initialize(BufferBlob* blob) { + // generate stubs + for (int id = 0; id < number_of_ids; id++) generate_blob_for(blob, (StubID)id); + // printing +#ifndef PRODUCT + if (PrintSimpleStubs) { + ResourceMark rm; + for (int id = 0; id < number_of_ids; id++) { + _blobs[id]->print(); + if (_blobs[id]->oop_maps() != NULL) { + _blobs[id]->oop_maps()->print(); + } + } + } +#endif +} + + +CodeBlob* GraalRuntime::blob_for(StubID id) { + assert(0 <= id && id < number_of_ids, "illegal stub id"); + return _blobs[id]; +} + + +const char* GraalRuntime::name_for(StubID id) { + assert(0 <= id && id < number_of_ids, "illegal stub id"); + return _blob_names[id]; +} + +const char* GraalRuntime::name_for_address(address entry) { + for (int id = 0; id < number_of_ids; id++) { + if (entry == entry_for((StubID)id)) return name_for((StubID)id); + } + +#define FUNCTION_CASE(a, f) \ + if ((intptr_t)a == CAST_FROM_FN_PTR(intptr_t, f)) return #f + + FUNCTION_CASE(entry, os::javaTimeMillis); + FUNCTION_CASE(entry, os::javaTimeNanos); + FUNCTION_CASE(entry, SharedRuntime::OSR_migration_end); + FUNCTION_CASE(entry, SharedRuntime::d2f); + FUNCTION_CASE(entry, SharedRuntime::d2i); + FUNCTION_CASE(entry, SharedRuntime::d2l); + FUNCTION_CASE(entry, SharedRuntime::dcos); + FUNCTION_CASE(entry, SharedRuntime::dexp); + FUNCTION_CASE(entry, SharedRuntime::dlog); + FUNCTION_CASE(entry, SharedRuntime::dlog10); + FUNCTION_CASE(entry, SharedRuntime::dpow); + FUNCTION_CASE(entry, SharedRuntime::drem); + FUNCTION_CASE(entry, SharedRuntime::dsin); + FUNCTION_CASE(entry, SharedRuntime::dtan); + FUNCTION_CASE(entry, SharedRuntime::f2i); + FUNCTION_CASE(entry, SharedRuntime::f2l); + FUNCTION_CASE(entry, SharedRuntime::frem); + FUNCTION_CASE(entry, SharedRuntime::l2d); + FUNCTION_CASE(entry, SharedRuntime::l2f); + FUNCTION_CASE(entry, SharedRuntime::ldiv); + FUNCTION_CASE(entry, SharedRuntime::lmul); + FUNCTION_CASE(entry, SharedRuntime::lrem); + FUNCTION_CASE(entry, SharedRuntime::lrem); + FUNCTION_CASE(entry, SharedRuntime::dtrace_method_entry); + FUNCTION_CASE(entry, SharedRuntime::dtrace_method_exit); +#ifdef TRACE_HAVE_INTRINSICS + FUNCTION_CASE(entry, TRACE_TIME_METHOD); +#endif + + ShouldNotReachHere(); + return NULL; + +#undef FUNCTION_CASE +} + + +JRT_ENTRY(void, GraalRuntime::new_instance(JavaThread* thread, Klass* klass)) + 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_END + +JRT_ENTRY(void, GraalRuntime::new_array(JavaThread* thread, Klass* array_klass, jint length)) + // 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) { + deopt_caller(); + } +JRT_END + + +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::unimplemented_entry(JavaThread* thread, StubID id)) + tty->print_cr("GraalRuntime::entry_for(%d) returned unimplemented entry point", id); +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); + } + } + + thread->set_vm_result(exception()); + // 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::graal_create_null_exception(JavaThread* thread)) + thread->set_vm_result(Exceptions::new_exception(thread, vmSymbols::java_lang_NullPointerException(), NULL)()); +JRT_END + +JRT_ENTRY(void, GraalRuntime::graal_create_out_of_bounds_exception(JavaThread* thread, jint index)) + char message[jintAsStringSize]; + sprintf(message, "%d", index); + thread->set_vm_result(Exceptions::new_exception(thread, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), message)()); +JRT_END + +JRT_ENTRY_NO_ASYNC(void, GraalRuntime::graal_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 (UseFastLocking) { + // 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::graal_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 (UseFastLocking) { + // 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::graal_log_object(JavaThread* thread, oop obj, jint flags)) + bool string = mask_bits_are_true(flags, LOG_OBJECT_STRING); + bool address = mask_bits_are_true(flags, LOG_OBJECT_ADDRESS); + bool newline = mask_bits_are_true(flags, LOG_OBJECT_NEWLINE); + if (!string) { + if (!address && obj->is_oop_or_null(true)) { + char buf[O_BUFLEN]; + tty->print("%s@%p", obj->klass()->name()->as_C_string(buf, O_BUFLEN), obj); + } else { + tty->print("%p", 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_ENTRY(void, GraalRuntime::graal_vm_error(JavaThread* thread, oop where, oop format, jlong value)) + ResourceMark rm; + assert(where == NULL || java_lang_String::is_instance(where), "must be"); + const char *error_msg = where == NULL ? "<internal Graal error>" : java_lang_String::as_utf8_string(where); + char *detail_msg = NULL; + if (format != NULL) { + const char* buf = java_lang_String::as_utf8_string(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_ENTRY(void, GraalRuntime::graal_log_printf(JavaThread* thread, oop format, jlong val)) + 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, val); +JRT_END + +JRT_ENTRY(void, GraalRuntime::graal_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::graal_identity_hash_code(JavaThread* thread, oop obj)) + return (jint) obj->identity_hash(); +JRT_END + +JRT_ENTRY(jboolean, GraalRuntime::graal_thread_is_interrupted(JavaThread* thread, oop receiver, jboolean clear_interrupted)) + // TEMP: + tty->print_cr("ThreadIsInterruptedSlowCase"); + // Ensure that the C++ Thread and OSThread structures aren't freed before we operate Handle receiverHandle(thread, receiver); JRT_BLOCK MutexLockerEx ml(thread->threadObj() == receiver ? NULL : Threads_lock); JavaThread* receiverThread = java_lang_Thread::thread(receiverHandle()); return (jint) Thread::is_interrupted(receiverThread, clear_interrupted != 0); - JRT_BLOCK_END -JRT_END - -// JVM_InitializeGraalRuntime -JVM_ENTRY(jobject, JVM_InitializeGraalRuntime(JNIEnv *env, jclass graalclass)) - return VMToCompiler::graalRuntimePermObject(); -JVM_END + JRT_BLOCK_END +JRT_END + +// JVM_InitializeGraalRuntime +JVM_ENTRY(jobject, JVM_InitializeGraalRuntime(JNIEnv *env, jclass graalclass)) + return VMToCompiler::graalRuntimePermObject(); +JVM_END