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/*
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* Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "precompiled.hpp"
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#include "asm/codeBuffer.hpp"
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#include "code/codeCache.hpp"
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#include "compiler/compileBroker.hpp"
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#include "compiler/disassembler.hpp"
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#include "jvmci/jvmciRuntime.hpp"
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#include "jvmci/jvmciCompilerToVM.hpp"
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#include "jvmci/jvmciCompiler.hpp"
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#include "jvmci/jvmciJavaClasses.hpp"
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#include "jvmci/jvmciEnv.hpp"
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#include "memory/oopFactory.hpp"
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#include "oops/oop.inline.hpp"
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#include "oops/objArrayOop.inline.hpp"
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#include "prims/jvm.h"
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#include "runtime/biasedLocking.hpp"
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#include "runtime/interfaceSupport.hpp"
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#include "runtime/reflection.hpp"
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#include "runtime/sharedRuntime.hpp"
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#include "utilities/debug.hpp"
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#include "utilities/defaultStream.hpp"
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#if defined(_MSC_VER)
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#define strtoll _strtoi64
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#endif
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jobject JVMCIRuntime::_HotSpotJVMCIRuntime_instance = NULL;
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bool JVMCIRuntime::_HotSpotJVMCIRuntime_initialized = false;
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bool JVMCIRuntime::_well_known_classes_initialized = false;
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const char* JVMCIRuntime::_compiler = NULL;
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int JVMCIRuntime::_options_count = 0;
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SystemProperty** JVMCIRuntime::_options = NULL;
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bool JVMCIRuntime::_shutdown_called = false;
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static const char* OPTION_PREFIX = "jvmci.option.";
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static const size_t OPTION_PREFIX_LEN = strlen(OPTION_PREFIX);
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BasicType JVMCIRuntime::kindToBasicType(jchar ch) {
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switch(ch) {
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case 'z': return T_BOOLEAN;
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case 'b': return T_BYTE;
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case 's': return T_SHORT;
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case 'c': return T_CHAR;
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case 'i': return T_INT;
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case 'f': return T_FLOAT;
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case 'j': return T_LONG;
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case 'd': return T_DOUBLE;
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case 'a': return T_OBJECT;
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case '-': return T_ILLEGAL;
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default:
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fatal(err_msg("unexpected Kind: %c", ch));
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break;
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}
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return T_ILLEGAL;
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}
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// Simple helper to see if the caller of a runtime stub which
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// entered the VM has been deoptimized
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static bool caller_is_deopted() {
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JavaThread* thread = JavaThread::current();
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RegisterMap reg_map(thread, false);
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frame runtime_frame = thread->last_frame();
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frame caller_frame = runtime_frame.sender(®_map);
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assert(caller_frame.is_compiled_frame(), "must be compiled");
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return caller_frame.is_deoptimized_frame();
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}
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// Stress deoptimization
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static void deopt_caller() {
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if ( !caller_is_deopted()) {
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JavaThread* thread = JavaThread::current();
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RegisterMap reg_map(thread, false);
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frame runtime_frame = thread->last_frame();
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frame caller_frame = runtime_frame.sender(®_map);
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Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint);
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assert(caller_is_deopted(), "Must be deoptimized");
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}
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}
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JRT_BLOCK_ENTRY(void, JVMCIRuntime::new_instance(JavaThread* thread, Klass* klass))
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JRT_BLOCK;
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assert(klass->is_klass(), "not a class");
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instanceKlassHandle h(thread, klass);
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h->check_valid_for_instantiation(true, CHECK);
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// make sure klass is initialized
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h->initialize(CHECK);
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// allocate instance and return via TLS
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oop obj = h->allocate_instance(CHECK);
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thread->set_vm_result(obj);
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JRT_BLOCK_END;
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if (ReduceInitialCardMarks) {
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new_store_pre_barrier(thread);
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}
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JRT_END
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JRT_BLOCK_ENTRY(void, JVMCIRuntime::new_array(JavaThread* thread, Klass* array_klass, jint length))
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JRT_BLOCK;
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// Note: no handle for klass needed since they are not used
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// anymore after new_objArray() and no GC can happen before.
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// (This may have to change if this code changes!)
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assert(array_klass->is_klass(), "not a class");
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oop obj;
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if (array_klass->oop_is_typeArray()) {
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BasicType elt_type = TypeArrayKlass::cast(array_klass)->element_type();
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obj = oopFactory::new_typeArray(elt_type, length, CHECK);
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} else {
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Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass();
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obj = oopFactory::new_objArray(elem_klass, length, CHECK);
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}
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thread->set_vm_result(obj);
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// This is pretty rare but this runtime patch is stressful to deoptimization
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// if we deoptimize here so force a deopt to stress the path.
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if (DeoptimizeALot) {
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static int deopts = 0;
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// Alternate between deoptimizing and raising an error (which will also cause a deopt)
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if (deopts++ % 2 == 0) {
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ResourceMark rm(THREAD);
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THROW(vmSymbols::java_lang_OutOfMemoryError());
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} else {
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deopt_caller();
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}
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}
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JRT_BLOCK_END;
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if (ReduceInitialCardMarks) {
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new_store_pre_barrier(thread);
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}
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JRT_END
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void JVMCIRuntime::new_store_pre_barrier(JavaThread* thread) {
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// After any safepoint, just before going back to compiled code,
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// we inform the GC that we will be doing initializing writes to
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// this object in the future without emitting card-marks, so
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// GC may take any compensating steps.
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// NOTE: Keep this code consistent with GraphKit::store_barrier.
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oop new_obj = thread->vm_result();
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if (new_obj == NULL) return;
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assert(Universe::heap()->can_elide_tlab_store_barriers(),
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"compiler must check this first");
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// GC may decide to give back a safer copy of new_obj.
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new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj);
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thread->set_vm_result(new_obj);
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}
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JRT_ENTRY(void, JVMCIRuntime::new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims))
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assert(klass->is_klass(), "not a class");
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assert(rank >= 1, "rank must be nonzero");
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oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK);
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thread->set_vm_result(obj);
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JRT_END
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JRT_ENTRY(void, JVMCIRuntime::dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length))
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oop obj = Reflection::reflect_new_array(element_mirror, length, CHECK);
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thread->set_vm_result(obj);
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JRT_END
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JRT_ENTRY(void, JVMCIRuntime::dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror))
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instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(type_mirror));
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if (klass == NULL) {
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ResourceMark rm(THREAD);
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THROW(vmSymbols::java_lang_InstantiationException());
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}
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// Create new instance (the receiver)
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klass->check_valid_for_instantiation(false, CHECK);
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// Make sure klass gets initialized
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klass->initialize(CHECK);
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oop obj = klass->allocate_instance(CHECK);
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thread->set_vm_result(obj);
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JRT_END
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extern void vm_exit(int code);
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// Enter this method from compiled code handler below. This is where we transition
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// to VM mode. This is done as a helper routine so that the method called directly
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// from compiled code does not have to transition to VM. This allows the entry
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// method to see if the nmethod that we have just looked up a handler for has
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// been deoptimized while we were in the vm. This simplifies the assembly code
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// cpu directories.
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//
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// We are entering here from exception stub (via the entry method below)
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// If there is a compiled exception handler in this method, we will continue there;
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// otherwise we will unwind the stack and continue at the caller of top frame method
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// Note: we enter in Java using a special JRT wrapper. This wrapper allows us to
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// control the area where we can allow a safepoint. After we exit the safepoint area we can
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// check to see if the handler we are going to return is now in a nmethod that has
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// been deoptimized. If that is the case we return the deopt blob
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// unpack_with_exception entry instead. This makes life for the exception blob easier
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// because making that same check and diverting is painful from assembly language.
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JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* thread, oopDesc* ex, address pc, nmethod*& nm))
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// Reset method handle flag.
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thread->set_is_method_handle_return(false);
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Handle exception(thread, ex);
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nm = CodeCache::find_nmethod(pc);
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assert(nm != NULL, "this is not a compiled method");
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// Adjust the pc as needed/
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if (nm->is_deopt_pc(pc)) {
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RegisterMap map(thread, false);
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frame exception_frame = thread->last_frame().sender(&map);
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// if the frame isn't deopted then pc must not correspond to the caller of last_frame
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assert(exception_frame.is_deoptimized_frame(), "must be deopted");
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pc = exception_frame.pc();
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}
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#ifdef ASSERT
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assert(exception.not_null(), "NULL exceptions should be handled by throw_exception");
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assert(exception->is_oop(), "just checking");
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// Check that exception is a subclass of Throwable, otherwise we have a VerifyError
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if (!(exception->is_a(SystemDictionary::Throwable_klass()))) {
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if (ExitVMOnVerifyError) vm_exit(-1);
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ShouldNotReachHere();
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}
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#endif
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// Check the stack guard pages and reenable them if necessary and there is
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// enough space on the stack to do so. Use fast exceptions only if the guard
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// pages are enabled.
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bool guard_pages_enabled = thread->stack_yellow_zone_enabled();
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if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack();
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if (JvmtiExport::can_post_on_exceptions()) {
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// To ensure correct notification of exception catches and throws
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// we have to deoptimize here. If we attempted to notify the
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// catches and throws during this exception lookup it's possible
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// we could deoptimize on the way out of the VM and end back in
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// the interpreter at the throw site. This would result in double
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// notifications since the interpreter would also notify about
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// these same catches and throws as it unwound the frame.
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RegisterMap reg_map(thread);
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frame stub_frame = thread->last_frame();
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frame caller_frame = stub_frame.sender(®_map);
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// We don't really want to deoptimize the nmethod itself since we
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// can actually continue in the exception handler ourselves but I
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// don't see an easy way to have the desired effect.
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Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint);
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assert(caller_is_deopted(), "Must be deoptimized");
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return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls();
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}
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// ExceptionCache is used only for exceptions at call sites and not for implicit exceptions
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if (guard_pages_enabled) {
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address fast_continuation = nm->handler_for_exception_and_pc(exception, pc);
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if (fast_continuation != NULL) {
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// Set flag if return address is a method handle call site.
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thread->set_is_method_handle_return(nm->is_method_handle_return(pc));
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return fast_continuation;
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}
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}
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// If the stack guard pages are enabled, check whether there is a handler in
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// the current method. Otherwise (guard pages disabled), force an unwind and
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// skip the exception cache update (i.e., just leave continuation==NULL).
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address continuation = NULL;
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if (guard_pages_enabled) {
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// New exception handling mechanism can support inlined methods
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// with exception handlers since the mappings are from PC to PC
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// debugging support
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// tracing
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if (TraceExceptions) {
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ttyLocker ttyl;
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ResourceMark rm;
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tty->print_cr("Exception <%s> (" INTPTR_FORMAT ") thrown in compiled method <%s> at PC " INTPTR_FORMAT " for thread " INTPTR_FORMAT "",
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exception->print_value_string(), p2i((address)exception()), nm->method()->print_value_string(), p2i(pc), p2i(thread));
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}
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// for AbortVMOnException flag
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NOT_PRODUCT(Exceptions::debug_check_abort(exception));
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// Clear out the exception oop and pc since looking up an
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// exception handler can cause class loading, which might throw an
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// exception and those fields are expected to be clear during
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// normal bytecode execution.
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thread->clear_exception_oop_and_pc();
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continuation = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, false, false);
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// If an exception was thrown during exception dispatch, the exception oop may have changed
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thread->set_exception_oop(exception());
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thread->set_exception_pc(pc);
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// the exception cache is used only by non-implicit exceptions
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if (continuation != NULL && !SharedRuntime::deopt_blob()->contains(continuation)) {
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nm->add_handler_for_exception_and_pc(exception, pc, continuation);
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}
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}
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// Set flag if return address is a method handle call site.
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thread->set_is_method_handle_return(nm->is_method_handle_return(pc));
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if (TraceExceptions) {
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ttyLocker ttyl;
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ResourceMark rm;
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tty->print_cr("Thread " PTR_FORMAT " continuing at PC " PTR_FORMAT " for exception thrown at PC " PTR_FORMAT,
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p2i(thread), p2i(continuation), p2i(pc));
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}
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return continuation;
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JRT_END
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// Enter this method from compiled code only if there is a Java exception handler
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// in the method handling the exception.
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// We are entering here from exception stub. We don't do a normal VM transition here.
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// We do it in a helper. This is so we can check to see if the nmethod we have just
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// searched for an exception handler has been deoptimized in the meantime.
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address JVMCIRuntime::exception_handler_for_pc(JavaThread* thread) {
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oop exception = thread->exception_oop();
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address pc = thread->exception_pc();
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// Still in Java mode
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DEBUG_ONLY(ResetNoHandleMark rnhm);
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nmethod* nm = NULL;
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address continuation = NULL;
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{
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// Enter VM mode by calling the helper
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ResetNoHandleMark rnhm;
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continuation = exception_handler_for_pc_helper(thread, exception, pc, nm);
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}
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// Back in JAVA, use no oops DON'T safepoint
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// Now check to see if the compiled method we were called from is now deoptimized.
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// If so we must return to the deopt blob and deoptimize the nmethod
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if (nm != NULL && caller_is_deopted()) {
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continuation = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls();
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}
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assert(continuation != NULL, "no handler found");
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return continuation;
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}
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JRT_ENTRY(void, JVMCIRuntime::create_null_exception(JavaThread* thread))
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SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException());
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thread->set_vm_result(PENDING_EXCEPTION);
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CLEAR_PENDING_EXCEPTION;
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JRT_END
|
|
366 |
|
|
367 |
JRT_ENTRY(void, JVMCIRuntime::create_out_of_bounds_exception(JavaThread* thread, jint index))
|
|
368 |
char message[jintAsStringSize];
|
|
369 |
sprintf(message, "%d", index);
|
|
370 |
SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), message);
|
|
371 |
thread->set_vm_result(PENDING_EXCEPTION);
|
|
372 |
CLEAR_PENDING_EXCEPTION;
|
|
373 |
JRT_END
|
|
374 |
|
|
375 |
JRT_ENTRY_NO_ASYNC(void, JVMCIRuntime::monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock))
|
|
376 |
IF_TRACE_jvmci_3 {
|
|
377 |
char type[O_BUFLEN];
|
|
378 |
obj->klass()->name()->as_C_string(type, O_BUFLEN);
|
|
379 |
markOop mark = obj->mark();
|
|
380 |
TRACE_jvmci_3("%s: entered locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), p2i(obj), type, p2i(mark), p2i(lock));
|
|
381 |
tty->flush();
|
|
382 |
}
|
|
383 |
#ifdef ASSERT
|
|
384 |
if (PrintBiasedLockingStatistics) {
|
|
385 |
Atomic::inc(BiasedLocking::slow_path_entry_count_addr());
|
|
386 |
}
|
|
387 |
#endif
|
|
388 |
Handle h_obj(thread, obj);
|
|
389 |
assert(h_obj()->is_oop(), "must be NULL or an object");
|
|
390 |
if (UseBiasedLocking) {
|
|
391 |
// Retry fast entry if bias is revoked to avoid unnecessary inflation
|
|
392 |
ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK);
|
|
393 |
} else {
|
|
394 |
if (JVMCIUseFastLocking) {
|
|
395 |
// When using fast locking, the compiled code has already tried the fast case
|
|
396 |
ObjectSynchronizer::slow_enter(h_obj, lock, THREAD);
|
|
397 |
} else {
|
|
398 |
ObjectSynchronizer::fast_enter(h_obj, lock, false, THREAD);
|
|
399 |
}
|
|
400 |
}
|
|
401 |
TRACE_jvmci_3("%s: exiting locking slow with obj=" INTPTR_FORMAT, thread->name(), p2i(obj));
|
|
402 |
JRT_END
|
|
403 |
|
|
404 |
JRT_LEAF(void, JVMCIRuntime::monitorexit(JavaThread* thread, oopDesc* obj, BasicLock* lock))
|
|
405 |
assert(thread == JavaThread::current(), "threads must correspond");
|
|
406 |
assert(thread->last_Java_sp(), "last_Java_sp must be set");
|
|
407 |
// monitorexit is non-blocking (leaf routine) => no exceptions can be thrown
|
|
408 |
EXCEPTION_MARK;
|
|
409 |
|
|
410 |
#ifdef DEBUG
|
|
411 |
if (!obj->is_oop()) {
|
|
412 |
ResetNoHandleMark rhm;
|
|
413 |
nmethod* method = thread->last_frame().cb()->as_nmethod_or_null();
|
|
414 |
if (method != NULL) {
|
|
415 |
tty->print_cr("ERROR in monitorexit in method %s wrong obj " INTPTR_FORMAT, method->name(), p2i(obj));
|
|
416 |
}
|
|
417 |
thread->print_stack_on(tty);
|
|
418 |
assert(false, "invalid lock object pointer dected");
|
|
419 |
}
|
|
420 |
#endif
|
|
421 |
|
|
422 |
if (JVMCIUseFastLocking) {
|
|
423 |
// When using fast locking, the compiled code has already tried the fast case
|
|
424 |
ObjectSynchronizer::slow_exit(obj, lock, THREAD);
|
|
425 |
} else {
|
|
426 |
ObjectSynchronizer::fast_exit(obj, lock, THREAD);
|
|
427 |
}
|
|
428 |
IF_TRACE_jvmci_3 {
|
|
429 |
char type[O_BUFLEN];
|
|
430 |
obj->klass()->name()->as_C_string(type, O_BUFLEN);
|
|
431 |
TRACE_jvmci_3("%s: exited locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), p2i(obj), type, p2i(obj->mark()), p2i(lock));
|
|
432 |
tty->flush();
|
|
433 |
}
|
|
434 |
JRT_END
|
|
435 |
|
|
436 |
JRT_LEAF(void, JVMCIRuntime::log_object(JavaThread* thread, oopDesc* obj, jint flags))
|
|
437 |
bool string = mask_bits_are_true(flags, LOG_OBJECT_STRING);
|
|
438 |
bool addr = mask_bits_are_true(flags, LOG_OBJECT_ADDRESS);
|
|
439 |
bool newline = mask_bits_are_true(flags, LOG_OBJECT_NEWLINE);
|
|
440 |
if (!string) {
|
|
441 |
if (!addr && obj->is_oop_or_null(true)) {
|
|
442 |
char buf[O_BUFLEN];
|
|
443 |
tty->print("%s@" INTPTR_FORMAT, obj->klass()->name()->as_C_string(buf, O_BUFLEN), p2i(obj));
|
|
444 |
} else {
|
|
445 |
tty->print(INTPTR_FORMAT, p2i(obj));
|
|
446 |
}
|
|
447 |
} else {
|
|
448 |
ResourceMark rm;
|
|
449 |
assert(obj != NULL && java_lang_String::is_instance(obj), "must be");
|
|
450 |
char *buf = java_lang_String::as_utf8_string(obj);
|
|
451 |
tty->print_raw(buf);
|
|
452 |
}
|
|
453 |
if (newline) {
|
|
454 |
tty->cr();
|
|
455 |
}
|
|
456 |
JRT_END
|
|
457 |
|
|
458 |
JRT_LEAF(void, JVMCIRuntime::write_barrier_pre(JavaThread* thread, oopDesc* obj))
|
|
459 |
thread->satb_mark_queue().enqueue(obj);
|
|
460 |
JRT_END
|
|
461 |
|
|
462 |
JRT_LEAF(void, JVMCIRuntime::write_barrier_post(JavaThread* thread, void* card_addr))
|
|
463 |
thread->dirty_card_queue().enqueue(card_addr);
|
|
464 |
JRT_END
|
|
465 |
|
|
466 |
JRT_LEAF(jboolean, JVMCIRuntime::validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child))
|
|
467 |
bool ret = true;
|
|
468 |
if(!Universe::heap()->is_in_closed_subset(parent)) {
|
|
469 |
tty->print_cr("Parent Object " INTPTR_FORMAT " not in heap", p2i(parent));
|
|
470 |
parent->print();
|
|
471 |
ret=false;
|
|
472 |
}
|
|
473 |
if(!Universe::heap()->is_in_closed_subset(child)) {
|
|
474 |
tty->print_cr("Child Object " INTPTR_FORMAT " not in heap", p2i(child));
|
|
475 |
child->print();
|
|
476 |
ret=false;
|
|
477 |
}
|
|
478 |
return (jint)ret;
|
|
479 |
JRT_END
|
|
480 |
|
|
481 |
JRT_ENTRY(void, JVMCIRuntime::vm_error(JavaThread* thread, jlong where, jlong format, jlong value))
|
|
482 |
ResourceMark rm;
|
|
483 |
const char *error_msg = where == 0L ? "<internal JVMCI error>" : (char*) (address) where;
|
|
484 |
char *detail_msg = NULL;
|
|
485 |
if (format != 0L) {
|
|
486 |
const char* buf = (char*) (address) format;
|
|
487 |
size_t detail_msg_length = strlen(buf) * 2;
|
|
488 |
detail_msg = (char *) NEW_RESOURCE_ARRAY(u_char, detail_msg_length);
|
|
489 |
jio_snprintf(detail_msg, detail_msg_length, buf, value);
|
|
490 |
}
|
|
491 |
report_vm_error(__FILE__, __LINE__, error_msg, detail_msg);
|
|
492 |
JRT_END
|
|
493 |
|
|
494 |
JRT_LEAF(oopDesc*, JVMCIRuntime::load_and_clear_exception(JavaThread* thread))
|
|
495 |
oop exception = thread->exception_oop();
|
|
496 |
assert(exception != NULL, "npe");
|
|
497 |
thread->set_exception_oop(NULL);
|
|
498 |
thread->set_exception_pc(0);
|
|
499 |
return exception;
|
|
500 |
JRT_END
|
|
501 |
|
|
502 |
PRAGMA_DIAG_PUSH
|
|
503 |
PRAGMA_FORMAT_NONLITERAL_IGNORED
|
|
504 |
JRT_LEAF(void, JVMCIRuntime::log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3))
|
|
505 |
ResourceMark rm;
|
|
506 |
assert(format != NULL && java_lang_String::is_instance(format), "must be");
|
|
507 |
char *buf = java_lang_String::as_utf8_string(format);
|
|
508 |
tty->print((const char*)buf, v1, v2, v3);
|
|
509 |
JRT_END
|
|
510 |
PRAGMA_DIAG_POP
|
|
511 |
|
|
512 |
static void decipher(jlong v, bool ignoreZero) {
|
|
513 |
if (v != 0 || !ignoreZero) {
|
|
514 |
void* p = (void *)(address) v;
|
|
515 |
CodeBlob* cb = CodeCache::find_blob(p);
|
|
516 |
if (cb) {
|
|
517 |
if (cb->is_nmethod()) {
|
|
518 |
char buf[O_BUFLEN];
|
|
519 |
tty->print("%s [" INTPTR_FORMAT "+" JLONG_FORMAT "]", cb->as_nmethod_or_null()->method()->name_and_sig_as_C_string(buf, O_BUFLEN), p2i(cb->code_begin()), (jlong)((address)v - cb->code_begin()));
|
|
520 |
return;
|
|
521 |
}
|
|
522 |
cb->print_value_on(tty);
|
|
523 |
return;
|
|
524 |
}
|
|
525 |
if (Universe::heap()->is_in(p)) {
|
|
526 |
oop obj = oop(p);
|
|
527 |
obj->print_value_on(tty);
|
|
528 |
return;
|
|
529 |
}
|
|
530 |
tty->print(INTPTR_FORMAT " [long: " JLONG_FORMAT ", double %lf, char %c]",p2i((void *)v), (jlong)v, (jdouble)v, (char)v);
|
|
531 |
}
|
|
532 |
}
|
|
533 |
|
|
534 |
PRAGMA_DIAG_PUSH
|
|
535 |
PRAGMA_FORMAT_NONLITERAL_IGNORED
|
|
536 |
JRT_LEAF(void, JVMCIRuntime::vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3))
|
|
537 |
ResourceMark rm;
|
|
538 |
const char *buf = (const char*) (address) format;
|
|
539 |
if (vmError) {
|
|
540 |
if (buf != NULL) {
|
|
541 |
fatal(err_msg(buf, v1, v2, v3));
|
|
542 |
} else {
|
|
543 |
fatal("<anonymous error>");
|
|
544 |
}
|
|
545 |
} else if (buf != NULL) {
|
|
546 |
tty->print(buf, v1, v2, v3);
|
|
547 |
} else {
|
|
548 |
assert(v2 == 0, "v2 != 0");
|
|
549 |
assert(v3 == 0, "v3 != 0");
|
|
550 |
decipher(v1, false);
|
|
551 |
}
|
|
552 |
JRT_END
|
|
553 |
PRAGMA_DIAG_POP
|
|
554 |
|
|
555 |
JRT_LEAF(void, JVMCIRuntime::log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline))
|
|
556 |
union {
|
|
557 |
jlong l;
|
|
558 |
jdouble d;
|
|
559 |
jfloat f;
|
|
560 |
} uu;
|
|
561 |
uu.l = value;
|
|
562 |
switch (typeChar) {
|
|
563 |
case 'z': tty->print(value == 0 ? "false" : "true"); break;
|
|
564 |
case 'b': tty->print("%d", (jbyte) value); break;
|
|
565 |
case 'c': tty->print("%c", (jchar) value); break;
|
|
566 |
case 's': tty->print("%d", (jshort) value); break;
|
|
567 |
case 'i': tty->print("%d", (jint) value); break;
|
|
568 |
case 'f': tty->print("%f", uu.f); break;
|
|
569 |
case 'j': tty->print(JLONG_FORMAT, value); break;
|
|
570 |
case 'd': tty->print("%lf", uu.d); break;
|
|
571 |
default: assert(false, "unknown typeChar"); break;
|
|
572 |
}
|
|
573 |
if (newline) {
|
|
574 |
tty->cr();
|
|
575 |
}
|
|
576 |
JRT_END
|
|
577 |
|
|
578 |
JRT_ENTRY(jint, JVMCIRuntime::identity_hash_code(JavaThread* thread, oopDesc* obj))
|
|
579 |
return (jint) obj->identity_hash();
|
|
580 |
JRT_END
|
|
581 |
|
|
582 |
JRT_ENTRY(jboolean, JVMCIRuntime::thread_is_interrupted(JavaThread* thread, oopDesc* receiver, jboolean clear_interrupted))
|
|
583 |
// Ensure that the C++ Thread and OSThread structures aren't freed before we operate.
|
|
584 |
// This locking requires thread_in_vm which is why this method cannot be JRT_LEAF.
|
|
585 |
Handle receiverHandle(thread, receiver);
|
|
586 |
MutexLockerEx ml(thread->threadObj() == (void*)receiver ? NULL : Threads_lock);
|
|
587 |
JavaThread* receiverThread = java_lang_Thread::thread(receiverHandle());
|
|
588 |
if (receiverThread == NULL) {
|
|
589 |
// The other thread may exit during this process, which is ok so return false.
|
|
590 |
return JNI_FALSE;
|
|
591 |
} else {
|
|
592 |
return (jint) Thread::is_interrupted(receiverThread, clear_interrupted != 0);
|
|
593 |
}
|
|
594 |
JRT_END
|
|
595 |
|
|
596 |
JRT_ENTRY(jint, JVMCIRuntime::test_deoptimize_call_int(JavaThread* thread, int value))
|
|
597 |
deopt_caller();
|
|
598 |
return value;
|
|
599 |
JRT_END
|
|
600 |
|
|
601 |
// private static JVMCIRuntime JVMCI.initializeRuntime()
|
|
602 |
JVM_ENTRY(jobject, JVM_GetJVMCIRuntime(JNIEnv *env, jclass c))
|
|
603 |
if (!EnableJVMCI) {
|
|
604 |
THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled")
|
|
605 |
}
|
|
606 |
JVMCIRuntime::initialize_HotSpotJVMCIRuntime(CHECK_NULL);
|
|
607 |
jobject ret = JVMCIRuntime::get_HotSpotJVMCIRuntime_jobject(CHECK_NULL);
|
|
608 |
return ret;
|
|
609 |
JVM_END
|
|
610 |
|
|
611 |
Handle JVMCIRuntime::callStatic(const char* className, const char* methodName, const char* signature, JavaCallArguments* args, TRAPS) {
|
|
612 |
guarantee(!_HotSpotJVMCIRuntime_initialized, "cannot reinitialize HotSpotJVMCIRuntime");
|
|
613 |
|
|
614 |
TempNewSymbol name = SymbolTable::new_symbol(className, CHECK_(Handle()));
|
|
615 |
KlassHandle klass = SystemDictionary::resolve_or_fail(name, true, CHECK_(Handle()));
|
|
616 |
TempNewSymbol runtime = SymbolTable::new_symbol(methodName, CHECK_(Handle()));
|
|
617 |
TempNewSymbol sig = SymbolTable::new_symbol(signature, CHECK_(Handle()));
|
|
618 |
JavaValue result(T_OBJECT);
|
|
619 |
if (args == NULL) {
|
|
620 |
JavaCalls::call_static(&result, klass, runtime, sig, CHECK_(Handle()));
|
|
621 |
} else {
|
|
622 |
JavaCalls::call_static(&result, klass, runtime, sig, args, CHECK_(Handle()));
|
|
623 |
}
|
|
624 |
return Handle((oop)result.get_jobject());
|
|
625 |
}
|
|
626 |
|
|
627 |
static bool jvmci_options_file_exists() {
|
|
628 |
const char* home = Arguments::get_java_home();
|
|
629 |
size_t path_len = strlen(home) + strlen("/lib/jvmci/options") + 1;
|
|
630 |
char path[JVM_MAXPATHLEN];
|
|
631 |
char sep = os::file_separator()[0];
|
|
632 |
jio_snprintf(path, JVM_MAXPATHLEN, "%s%clib%cjvmci%coptions", home, sep, sep, sep);
|
|
633 |
struct stat st;
|
|
634 |
return os::stat(path, &st) == 0;
|
|
635 |
}
|
|
636 |
|
|
637 |
void JVMCIRuntime::initialize_HotSpotJVMCIRuntime(TRAPS) {
|
|
638 |
if (JNIHandles::resolve(_HotSpotJVMCIRuntime_instance) == NULL) {
|
|
639 |
#ifdef ASSERT
|
|
640 |
// This should only be called in the context of the JVMCI class being initialized
|
|
641 |
TempNewSymbol name = SymbolTable::new_symbol("jdk/vm/ci/runtime/JVMCI", CHECK);
|
|
642 |
Klass* k = SystemDictionary::resolve_or_null(name, CHECK);
|
|
643 |
instanceKlassHandle klass = InstanceKlass::cast(k);
|
|
644 |
assert(klass->is_being_initialized() && klass->is_reentrant_initialization(THREAD),
|
|
645 |
"HotSpotJVMCIRuntime initialization should only be triggered through JVMCI initialization");
|
|
646 |
#endif
|
|
647 |
|
|
648 |
bool parseOptionsFile = jvmci_options_file_exists();
|
|
649 |
if (_options != NULL || parseOptionsFile) {
|
|
650 |
JavaCallArguments args;
|
|
651 |
objArrayOop options;
|
|
652 |
if (_options != NULL) {
|
|
653 |
options = oopFactory::new_objArray(SystemDictionary::String_klass(), _options_count * 2, CHECK);
|
|
654 |
for (int i = 0; i < _options_count; i++) {
|
|
655 |
SystemProperty* prop = _options[i];
|
|
656 |
oop name = java_lang_String::create_oop_from_str(prop->key() + OPTION_PREFIX_LEN, CHECK);
|
|
657 |
oop value = java_lang_String::create_oop_from_str(prop->value(), CHECK);
|
|
658 |
options->obj_at_put(i * 2, name);
|
|
659 |
options->obj_at_put((i * 2) + 1, value);
|
|
660 |
}
|
|
661 |
} else {
|
|
662 |
options = NULL;
|
|
663 |
}
|
|
664 |
args.push_oop(options);
|
|
665 |
args.push_int(parseOptionsFile);
|
|
666 |
callStatic("jdk/vm/ci/options/OptionsParser",
|
|
667 |
"parseOptionsFromVM",
|
|
668 |
"([Ljava/lang/String;Z)Ljava/lang/Boolean;", &args, CHECK);
|
|
669 |
}
|
|
670 |
|
|
671 |
if (_compiler != NULL) {
|
|
672 |
JavaCallArguments args;
|
|
673 |
oop compiler = java_lang_String::create_oop_from_str(_compiler, CHECK);
|
|
674 |
args.push_oop(compiler);
|
|
675 |
callStatic("jdk/vm/ci/hotspot/HotSpotJVMCICompilerConfig",
|
|
676 |
"selectCompiler",
|
|
677 |
"(Ljava/lang/String;)Ljava/lang/Boolean;", &args, CHECK);
|
|
678 |
}
|
|
679 |
|
|
680 |
Handle result = callStatic("jdk/vm/ci/hotspot/HotSpotJVMCIRuntime",
|
|
681 |
"runtime",
|
|
682 |
"()Ljdk/vm/ci/hotspot/HotSpotJVMCIRuntime;", NULL, CHECK);
|
|
683 |
_HotSpotJVMCIRuntime_initialized = true;
|
|
684 |
_HotSpotJVMCIRuntime_instance = JNIHandles::make_global(result());
|
|
685 |
}
|
|
686 |
}
|
|
687 |
|
|
688 |
void JVMCIRuntime::initialize_JVMCI(TRAPS) {
|
|
689 |
if (JNIHandles::resolve(_HotSpotJVMCIRuntime_instance) == NULL) {
|
|
690 |
callStatic("jdk/vm/ci/runtime/JVMCI",
|
|
691 |
"getRuntime",
|
|
692 |
"()Ljdk/vm/ci/runtime/JVMCIRuntime;", NULL, CHECK);
|
|
693 |
}
|
|
694 |
assert(_HotSpotJVMCIRuntime_initialized == true, "what?");
|
|
695 |
}
|
|
696 |
|
|
697 |
void JVMCIRuntime::initialize_well_known_classes(TRAPS) {
|
|
698 |
if (JVMCIRuntime::_well_known_classes_initialized == false) {
|
|
699 |
SystemDictionary::WKID scan = SystemDictionary::FIRST_JVMCI_WKID;
|
|
700 |
SystemDictionary::initialize_wk_klasses_through(SystemDictionary::LAST_JVMCI_WKID, scan, CHECK);
|
|
701 |
JVMCIJavaClasses::compute_offsets();
|
|
702 |
JVMCIRuntime::_well_known_classes_initialized = true;
|
|
703 |
}
|
|
704 |
}
|
|
705 |
|
|
706 |
void JVMCIRuntime::metadata_do(void f(Metadata*)) {
|
|
707 |
// For simplicity, the existence of HotSpotJVMCIMetaAccessContext in
|
|
708 |
// the SystemDictionary well known classes should ensure the other
|
|
709 |
// classes have already been loaded, so make sure their order in the
|
|
710 |
// table enforces that.
|
|
711 |
assert(SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotResolvedJavaMethodImpl) <
|
|
712 |
SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotJVMCIMetaAccessContext), "must be loaded earlier");
|
|
713 |
assert(SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotConstantPool) <
|
|
714 |
SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotJVMCIMetaAccessContext), "must be loaded earlier");
|
|
715 |
assert(SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotResolvedObjectTypeImpl) <
|
|
716 |
SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotJVMCIMetaAccessContext), "must be loaded earlier");
|
|
717 |
|
|
718 |
if (HotSpotJVMCIMetaAccessContext::klass() == NULL ||
|
|
719 |
!HotSpotJVMCIMetaAccessContext::klass()->is_linked()) {
|
|
720 |
// Nothing could be registered yet
|
|
721 |
return;
|
|
722 |
}
|
|
723 |
|
|
724 |
// WeakReference<HotSpotJVMCIMetaAccessContext>[]
|
|
725 |
objArrayOop allContexts = HotSpotJVMCIMetaAccessContext::allContexts();
|
|
726 |
if (allContexts == NULL) {
|
|
727 |
return;
|
|
728 |
}
|
|
729 |
|
|
730 |
// These must be loaded at this point but the linking state doesn't matter.
|
|
731 |
assert(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass() != NULL, "must be loaded");
|
|
732 |
assert(SystemDictionary::HotSpotConstantPool_klass() != NULL, "must be loaded");
|
|
733 |
assert(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass() != NULL, "must be loaded");
|
|
734 |
|
|
735 |
for (int i = 0; i < allContexts->length(); i++) {
|
|
736 |
oop ref = allContexts->obj_at(i);
|
|
737 |
if (ref != NULL) {
|
|
738 |
oop referent = java_lang_ref_Reference::referent(ref);
|
|
739 |
if (referent != NULL) {
|
|
740 |
// Chunked Object[] with last element pointing to next chunk
|
|
741 |
objArrayOop metadataRoots = HotSpotJVMCIMetaAccessContext::metadataRoots(referent);
|
|
742 |
while (metadataRoots != NULL) {
|
|
743 |
for (int typeIndex = 0; typeIndex < metadataRoots->length() - 1; typeIndex++) {
|
|
744 |
oop reference = metadataRoots->obj_at(typeIndex);
|
|
745 |
if (reference == NULL) {
|
|
746 |
continue;
|
|
747 |
}
|
|
748 |
oop metadataRoot = java_lang_ref_Reference::referent(reference);
|
|
749 |
if (metadataRoot == NULL) {
|
|
750 |
continue;
|
|
751 |
}
|
|
752 |
if (metadataRoot->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
|
|
753 |
Method* method = CompilerToVM::asMethod(metadataRoot);
|
|
754 |
f(method);
|
|
755 |
} else if (metadataRoot->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
|
|
756 |
ConstantPool* constantPool = CompilerToVM::asConstantPool(metadataRoot);
|
|
757 |
f(constantPool);
|
|
758 |
} else if (metadataRoot->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
|
|
759 |
Klass* klass = CompilerToVM::asKlass(metadataRoot);
|
|
760 |
f(klass);
|
|
761 |
} else {
|
|
762 |
metadataRoot->print();
|
|
763 |
ShouldNotReachHere();
|
|
764 |
}
|
|
765 |
}
|
|
766 |
metadataRoots = (objArrayOop)metadataRoots->obj_at(metadataRoots->length() - 1);
|
|
767 |
assert(metadataRoots == NULL || metadataRoots->is_objArray(), "wrong type");
|
|
768 |
}
|
|
769 |
}
|
|
770 |
}
|
|
771 |
}
|
|
772 |
}
|
|
773 |
|
|
774 |
// private static void CompilerToVM.registerNatives()
|
|
775 |
JVM_ENTRY(void, JVM_RegisterJVMCINatives(JNIEnv *env, jclass c2vmClass))
|
|
776 |
if (!EnableJVMCI) {
|
|
777 |
THROW_MSG(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled");
|
|
778 |
}
|
|
779 |
|
|
780 |
#ifdef _LP64
|
|
781 |
uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end();
|
|
782 |
uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024;
|
|
783 |
guarantee(heap_end < allocation_end, "heap end too close to end of address space (might lead to erroneous TLAB allocations)");
|
|
784 |
#else
|
|
785 |
fatal("check TLAB allocation code for address space conflicts");
|
|
786 |
#endif
|
|
787 |
|
|
788 |
JVMCIRuntime::initialize_well_known_classes(CHECK);
|
|
789 |
|
|
790 |
{
|
|
791 |
ThreadToNativeFromVM trans(thread);
|
|
792 |
|
|
793 |
// Ensure _non_oop_bits is initialized
|
|
794 |
Universe::non_oop_word();
|
|
795 |
|
|
796 |
env->RegisterNatives(c2vmClass, CompilerToVM::methods, CompilerToVM::methods_count());
|
|
797 |
}
|
|
798 |
JVM_END
|
|
799 |
|
|
800 |
/**
|
|
801 |
* Closure for parsing a line from a *.properties file in jre/lib/jvmci/properties.
|
|
802 |
* The line must match the regular expression "[^=]+=.*". That is one or more
|
|
803 |
* characters other than '=' followed by '=' followed by zero or more characters.
|
|
804 |
* Everything before the '=' is the property name and everything after '=' is the value.
|
|
805 |
* Lines that start with '#' are treated as comments and ignored.
|
|
806 |
* No special processing of whitespace or any escape characters is performed.
|
|
807 |
* The last definition of a property "wins" (i.e., it overrides all earlier
|
|
808 |
* definitions of the property).
|
|
809 |
*/
|
|
810 |
class JVMCIPropertiesFileClosure : public ParseClosure {
|
|
811 |
SystemProperty** _plist;
|
|
812 |
public:
|
|
813 |
JVMCIPropertiesFileClosure(SystemProperty** plist) : _plist(plist) {}
|
|
814 |
void do_line(char* line) {
|
|
815 |
if (line[0] == '#') {
|
|
816 |
// skip comment
|
|
817 |
return;
|
|
818 |
}
|
|
819 |
size_t len = strlen(line);
|
|
820 |
char* sep = strchr(line, '=');
|
|
821 |
if (sep == NULL) {
|
|
822 |
warn_and_abort("invalid format: could not find '=' character");
|
|
823 |
return;
|
|
824 |
}
|
|
825 |
if (sep == line) {
|
|
826 |
warn_and_abort("invalid format: name cannot be empty");
|
|
827 |
return;
|
|
828 |
}
|
|
829 |
*sep = '\0';
|
|
830 |
const char* name = line;
|
|
831 |
char* value = sep + 1;
|
|
832 |
Arguments::PropertyList_unique_add(_plist, name, value);
|
|
833 |
}
|
|
834 |
};
|
|
835 |
|
|
836 |
void JVMCIRuntime::init_system_properties(SystemProperty** plist) {
|
|
837 |
char jvmciDir[JVM_MAXPATHLEN];
|
|
838 |
const char* fileSep = os::file_separator();
|
|
839 |
jio_snprintf(jvmciDir, sizeof(jvmciDir), "%s%slib%sjvmci",
|
|
840 |
Arguments::get_java_home(), fileSep, fileSep, fileSep);
|
|
841 |
DIR* dir = os::opendir(jvmciDir);
|
|
842 |
if (dir != NULL) {
|
|
843 |
struct dirent *entry;
|
|
844 |
char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(jvmciDir), mtInternal);
|
|
845 |
JVMCIPropertiesFileClosure closure(plist);
|
|
846 |
const unsigned suffix_len = (unsigned)strlen(".properties");
|
|
847 |
while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL && !closure.is_aborted()) {
|
|
848 |
const char* name = entry->d_name;
|
|
849 |
if (strlen(name) > suffix_len && strcmp(name + strlen(name) - suffix_len, ".properties") == 0) {
|
|
850 |
char propertiesFilePath[JVM_MAXPATHLEN];
|
|
851 |
jio_snprintf(propertiesFilePath, sizeof(propertiesFilePath), "%s%s%s",jvmciDir, fileSep, name);
|
|
852 |
JVMCIRuntime::parse_lines(propertiesFilePath, &closure, false);
|
|
853 |
}
|
|
854 |
}
|
|
855 |
FREE_C_HEAP_ARRAY(char, dbuf);
|
|
856 |
os::closedir(dir);
|
|
857 |
}
|
|
858 |
}
|
|
859 |
|
|
860 |
#define CHECK_WARN_ABORT_(message) THREAD); \
|
|
861 |
if (HAS_PENDING_EXCEPTION) { \
|
|
862 |
warning(message); \
|
|
863 |
char buf[512]; \
|
|
864 |
jio_snprintf(buf, 512, "Uncaught exception at %s:%d", __FILE__, __LINE__); \
|
|
865 |
JVMCIRuntime::abort_on_pending_exception(PENDING_EXCEPTION, buf); \
|
|
866 |
return; \
|
|
867 |
} \
|
|
868 |
(void)(0
|
|
869 |
|
|
870 |
void JVMCIRuntime::save_compiler(const char* compiler) {
|
|
871 |
assert(compiler != NULL, "npe");
|
|
872 |
assert(_compiler == NULL, "cannot reassign JVMCI compiler");
|
|
873 |
_compiler = compiler;
|
|
874 |
}
|
|
875 |
|
|
876 |
jint JVMCIRuntime::save_options(SystemProperty* props) {
|
|
877 |
int count = 0;
|
|
878 |
SystemProperty* first = NULL;
|
|
879 |
for (SystemProperty* p = props; p != NULL; p = p->next()) {
|
|
880 |
if (strncmp(p->key(), OPTION_PREFIX, OPTION_PREFIX_LEN) == 0) {
|
|
881 |
if (p->value() == NULL || strlen(p->value()) == 0) {
|
|
882 |
jio_fprintf(defaultStream::output_stream(), "JVMCI option %s must have non-zero length value\n", p->key());
|
|
883 |
return JNI_ERR;
|
|
884 |
}
|
|
885 |
if (first == NULL) {
|
|
886 |
first = p;
|
|
887 |
}
|
|
888 |
count++;
|
|
889 |
}
|
|
890 |
}
|
|
891 |
if (count != 0) {
|
|
892 |
_options_count = count;
|
|
893 |
_options = NEW_C_HEAP_ARRAY(SystemProperty*, count, mtCompiler);
|
|
894 |
_options[0] = first;
|
|
895 |
SystemProperty** insert_pos = _options + 1;
|
|
896 |
for (SystemProperty* p = first->next(); p != NULL; p = p->next()) {
|
|
897 |
if (strncmp(p->key(), OPTION_PREFIX, OPTION_PREFIX_LEN) == 0) {
|
|
898 |
*insert_pos = p;
|
|
899 |
insert_pos++;
|
|
900 |
}
|
|
901 |
}
|
|
902 |
assert (insert_pos - _options == count, "must be");
|
|
903 |
}
|
|
904 |
return JNI_OK;
|
|
905 |
}
|
|
906 |
|
|
907 |
void JVMCIRuntime::shutdown() {
|
|
908 |
if (_HotSpotJVMCIRuntime_instance != NULL) {
|
|
909 |
_shutdown_called = true;
|
|
910 |
JavaThread* THREAD = JavaThread::current();
|
|
911 |
HandleMark hm(THREAD);
|
|
912 |
Handle receiver = get_HotSpotJVMCIRuntime(CHECK_ABORT);
|
|
913 |
JavaValue result(T_VOID);
|
|
914 |
JavaCallArguments args;
|
|
915 |
args.push_oop(receiver);
|
|
916 |
JavaCalls::call_special(&result, receiver->klass(), vmSymbols::shutdown_method_name(), vmSymbols::void_method_signature(), &args, CHECK_ABORT);
|
|
917 |
}
|
|
918 |
}
|
|
919 |
|
|
920 |
void JVMCIRuntime::call_printStackTrace(Handle exception, Thread* thread) {
|
|
921 |
assert(exception->is_a(SystemDictionary::Throwable_klass()), "Throwable instance expected");
|
|
922 |
JavaValue result(T_VOID);
|
|
923 |
JavaCalls::call_virtual(&result,
|
|
924 |
exception,
|
|
925 |
KlassHandle(thread,
|
|
926 |
SystemDictionary::Throwable_klass()),
|
|
927 |
vmSymbols::printStackTrace_name(),
|
|
928 |
vmSymbols::void_method_signature(),
|
|
929 |
thread);
|
|
930 |
}
|
|
931 |
|
|
932 |
void JVMCIRuntime::abort_on_pending_exception(Handle exception, const char* message, bool dump_core) {
|
|
933 |
Thread* THREAD = Thread::current();
|
|
934 |
CLEAR_PENDING_EXCEPTION;
|
|
935 |
tty->print_raw_cr(message);
|
|
936 |
call_printStackTrace(exception, THREAD);
|
|
937 |
|
|
938 |
// Give other aborting threads to also print their stack traces.
|
|
939 |
// This can be very useful when debugging class initialization
|
|
940 |
// failures.
|
|
941 |
os::sleep(THREAD, 200, false);
|
|
942 |
|
|
943 |
vm_abort(dump_core);
|
|
944 |
}
|
|
945 |
|
|
946 |
void JVMCIRuntime::parse_lines(char* path, ParseClosure* closure, bool warnStatFailure) {
|
|
947 |
struct stat st;
|
|
948 |
if (os::stat(path, &st) == 0 && (st.st_mode & S_IFREG) == S_IFREG) { // exists & is regular file
|
|
949 |
int file_handle = os::open(path, 0, 0);
|
|
950 |
if (file_handle != -1) {
|
|
951 |
char* buffer = NEW_C_HEAP_ARRAY(char, st.st_size + 1, mtInternal);
|
|
952 |
int num_read;
|
|
953 |
num_read = (int) os::read(file_handle, (char*) buffer, st.st_size);
|
|
954 |
if (num_read == -1) {
|
|
955 |
warning("Error reading file %s due to %s", path, strerror(errno));
|
|
956 |
} else if (num_read != st.st_size) {
|
|
957 |
warning("Only read %d of " SIZE_FORMAT " bytes from %s", num_read, (size_t) st.st_size, path);
|
|
958 |
}
|
|
959 |
os::close(file_handle);
|
|
960 |
closure->set_filename(path);
|
|
961 |
if (num_read == st.st_size) {
|
|
962 |
buffer[num_read] = '\0';
|
|
963 |
|
|
964 |
char* line = buffer;
|
|
965 |
while (line - buffer < num_read && !closure->is_aborted()) {
|
|
966 |
// find line end (\r, \n or \r\n)
|
|
967 |
char* nextline = NULL;
|
|
968 |
char* cr = strchr(line, '\r');
|
|
969 |
char* lf = strchr(line, '\n');
|
|
970 |
if (cr != NULL && lf != NULL) {
|
|
971 |
char* min = MIN2(cr, lf);
|
|
972 |
*min = '\0';
|
|
973 |
if (lf == cr + 1) {
|
|
974 |
nextline = lf + 1;
|
|
975 |
} else {
|
|
976 |
nextline = min + 1;
|
|
977 |
}
|
|
978 |
} else if (cr != NULL) {
|
|
979 |
*cr = '\0';
|
|
980 |
nextline = cr + 1;
|
|
981 |
} else if (lf != NULL) {
|
|
982 |
*lf = '\0';
|
|
983 |
nextline = lf + 1;
|
|
984 |
}
|
|
985 |
// trim left
|
|
986 |
while (*line == ' ' || *line == '\t') line++;
|
|
987 |
char* end = line + strlen(line);
|
|
988 |
// trim right
|
|
989 |
while (end > line && (*(end -1) == ' ' || *(end -1) == '\t')) end--;
|
|
990 |
*end = '\0';
|
|
991 |
// skip comments and empty lines
|
|
992 |
if (*line != '#' && strlen(line) > 0) {
|
|
993 |
closure->parse_line(line);
|
|
994 |
}
|
|
995 |
if (nextline != NULL) {
|
|
996 |
line = nextline;
|
|
997 |
} else {
|
|
998 |
// File without newline at the end
|
|
999 |
break;
|
|
1000 |
}
|
|
1001 |
}
|
|
1002 |
}
|
|
1003 |
FREE_C_HEAP_ARRAY(char, buffer);
|
|
1004 |
} else {
|
|
1005 |
warning("Error opening file %s due to %s", path, strerror(errno));
|
|
1006 |
}
|
|
1007 |
} else if (warnStatFailure) {
|
|
1008 |
warning("Could not stat file %s due to %s", path, strerror(errno));
|
|
1009 |
}
|
|
1010 |
}
|