# HG changeset patch # User iveresov # Date 1319183910 25200 # Node ID 1faa170a75978d4aea77e71c357180a299e24673 # Parent a6fdc8d6c13c3472f45956693f85c1b63885d5ed# Parent 2ee610c1fe49abeca8d23a47e11fc7ef4a12d513 Merge diff -r a6fdc8d6c13c -r 1faa170a7597 hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/sparc/SPARCFrame.java --- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/sparc/SPARCFrame.java Mon Oct 17 01:40:27 2011 -0400 +++ b/hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/sparc/SPARCFrame.java Fri Oct 21 00:58:30 2011 -0700 @@ -956,7 +956,7 @@ map.makeIntegerRegsUnsaved(); map.shiftWindow(sp, youngerSP); boolean thisFrameAdjustedStack = true; // I5_savedSP is live in this RF - return new SPARCFrame(sp, youngerSP, thisFrameAdjustedStack); + return new SPARCFrame(biasSP(sp), biasSP(youngerSP), thisFrameAdjustedStack); } private Frame senderForEntryFrame(RegisterMap regMap) { diff -r a6fdc8d6c13c -r 1faa170a7597 hotspot/src/cpu/sparc/vm/copy_sparc.hpp --- a/hotspot/src/cpu/sparc/vm/copy_sparc.hpp Mon Oct 17 01:40:27 2011 -0400 +++ b/hotspot/src/cpu/sparc/vm/copy_sparc.hpp Fri Oct 21 00:58:30 2011 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -82,13 +82,35 @@ } static void pd_conjoint_jshorts_atomic(jshort* from, jshort* to, size_t count) { - // FIXME - (void)memmove(to, from, count << LogBytesPerShort); + if (from > to) { + while (count-- > 0) { + // Copy forwards + *to++ = *from++; + } + } else { + from += count - 1; + to += count - 1; + while (count-- > 0) { + // Copy backwards + *to-- = *from--; + } + } } static void pd_conjoint_jints_atomic(jint* from, jint* to, size_t count) { - // FIXME - (void)memmove(to, from, count << LogBytesPerInt); + if (from > to) { + while (count-- > 0) { + // Copy forwards + *to++ = *from++; + } + } else { + from += count - 1; + to += count - 1; + while (count-- > 0) { + // Copy backwards + *to-- = *from--; + } + } } static void pd_conjoint_jlongs_atomic(jlong* from, jlong* to, size_t count) { diff -r a6fdc8d6c13c -r 1faa170a7597 hotspot/src/os_cpu/windows_x86/vm/copy_windows_x86.inline.hpp --- a/hotspot/src/os_cpu/windows_x86/vm/copy_windows_x86.inline.hpp Mon Oct 17 01:40:27 2011 -0400 +++ b/hotspot/src/os_cpu/windows_x86/vm/copy_windows_x86.inline.hpp Fri Oct 21 00:58:30 2011 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -85,13 +85,35 @@ } static void pd_conjoint_jshorts_atomic(jshort* from, jshort* to, size_t count) { - // FIXME - (void)memmove(to, from, count << LogBytesPerShort); + if (from > to) { + while (count-- > 0) { + // Copy forwards + *to++ = *from++; + } + } else { + from += count - 1; + to += count - 1; + while (count-- > 0) { + // Copy backwards + *to-- = *from--; + } + } } static void pd_conjoint_jints_atomic(jint* from, jint* to, size_t count) { - // FIXME - (void)memmove(to, from, count << LogBytesPerInt); + if (from > to) { + while (count-- > 0) { + // Copy forwards + *to++ = *from++; + } + } else { + from += count - 1; + to += count - 1; + while (count-- > 0) { + // Copy backwards + *to-- = *from--; + } + } } static void pd_conjoint_jlongs_atomic(jlong* from, jlong* to, size_t count) { diff -r a6fdc8d6c13c -r 1faa170a7597 hotspot/src/share/vm/classfile/javaClasses.cpp --- a/hotspot/src/share/vm/classfile/javaClasses.cpp Mon Oct 17 01:40:27 2011 -0400 +++ b/hotspot/src/share/vm/classfile/javaClasses.cpp Fri Oct 21 00:58:30 2011 -0700 @@ -503,12 +503,8 @@ if (SystemDictionary::Class_klass_loaded() && (k->oop_is_instance() || k->oop_is_javaArray())) { // Allocate mirror (java.lang.Class instance) Handle mirror = instanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK_0); - // Setup indirections - mirror->obj_field_put(_klass_offset, k()); - k->set_java_mirror(mirror()); instanceMirrorKlass* mk = instanceMirrorKlass::cast(mirror->klass()); - java_lang_Class::set_oop_size(mirror(), mk->instance_size(k)); java_lang_Class::set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror())); // It might also have a component mirror. This mirror must already exist. @@ -571,9 +567,10 @@ assert(aklass != NULL, "correct bootstrap"); set_array_klass(java_class, aklass); } +#ifdef ASSERT instanceMirrorKlass* mk = instanceMirrorKlass::cast(SystemDictionary::Class_klass()); - java_lang_Class::set_oop_size(java_class, mk->instance_size(oop(NULL))); - java_lang_Class::set_static_oop_field_count(java_class, 0); + assert(java_lang_Class::static_oop_field_count(java_class) == 0, "should have been zeroed by allocation"); +#endif return java_class; } @@ -587,6 +584,12 @@ } +void java_lang_Class::set_klass(oop java_class, klassOop klass) { + assert(java_lang_Class::is_instance(java_class), "must be a Class object"); + java_class->obj_field_put(_klass_offset, klass); +} + + void java_lang_Class::print_signature(oop java_class, outputStream* st) { assert(java_lang_Class::is_instance(java_class), "must be a Class object"); Symbol* name = NULL; diff -r a6fdc8d6c13c -r 1faa170a7597 hotspot/src/share/vm/classfile/javaClasses.hpp --- a/hotspot/src/share/vm/classfile/javaClasses.hpp Mon Oct 17 01:40:27 2011 -0400 +++ b/hotspot/src/share/vm/classfile/javaClasses.hpp Fri Oct 21 00:58:30 2011 -0700 @@ -188,6 +188,7 @@ static oop create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS); // Conversion static klassOop as_klassOop(oop java_class); + static void set_klass(oop java_class, klassOop klass); static BasicType as_BasicType(oop java_class, klassOop* reference_klass = NULL); static BasicType as_BasicType(oop java_class, KlassHandle* reference_klass) { klassOop refk_oop = NULL; diff -r a6fdc8d6c13c -r 1faa170a7597 hotspot/src/share/vm/gc_interface/collectedHeap.cpp --- a/hotspot/src/share/vm/gc_interface/collectedHeap.cpp Mon Oct 17 01:40:27 2011 -0400 +++ b/hotspot/src/share/vm/gc_interface/collectedHeap.cpp Fri Oct 21 00:58:30 2011 -0700 @@ -28,6 +28,7 @@ #include "gc_interface/collectedHeap.hpp" #include "gc_interface/collectedHeap.inline.hpp" #include "oops/oop.inline.hpp" +#include "oops/instanceMirrorKlass.hpp" #include "runtime/init.hpp" #include "services/heapDumper.hpp" #ifdef TARGET_OS_FAMILY_linux @@ -436,3 +437,37 @@ inspector.doit(); } } + +oop CollectedHeap::Class_obj_allocate(KlassHandle klass, int size, KlassHandle real_klass, TRAPS) { + debug_only(check_for_valid_allocation_state()); + assert(!Universe::heap()->is_gc_active(), "Allocation during gc not allowed"); + assert(size >= 0, "int won't convert to size_t"); + HeapWord* obj; + if (JavaObjectsInPerm) { + obj = common_permanent_mem_allocate_init(size, CHECK_NULL); + } else { + assert(ScavengeRootsInCode > 0, "must be"); + obj = common_mem_allocate_init(size, CHECK_NULL); + } + post_allocation_setup_common(klass, obj, size); + assert(Universe::is_bootstrapping() || + !((oop)obj)->blueprint()->oop_is_array(), "must not be an array"); + NOT_PRODUCT(Universe::heap()->check_for_bad_heap_word_value(obj, size)); + oop mirror = (oop)obj; + + java_lang_Class::set_oop_size(mirror, size); + + // Setup indirections + if (!real_klass.is_null()) { + java_lang_Class::set_klass(mirror, real_klass()); + real_klass->set_java_mirror(mirror); + } + + instanceMirrorKlass* mk = instanceMirrorKlass::cast(mirror->klass()); + assert(size == mk->instance_size(real_klass), "should have been set"); + + // notify jvmti and dtrace + post_allocation_notify(klass, (oop)obj); + + return mirror; +} diff -r a6fdc8d6c13c -r 1faa170a7597 hotspot/src/share/vm/gc_interface/collectedHeap.hpp --- a/hotspot/src/share/vm/gc_interface/collectedHeap.hpp Mon Oct 17 01:40:27 2011 -0400 +++ b/hotspot/src/share/vm/gc_interface/collectedHeap.hpp Fri Oct 21 00:58:30 2011 -0700 @@ -319,6 +319,9 @@ // VM (then terminate). virtual void preload_and_dump(TRAPS) { ShouldNotReachHere(); } + // Allocate and initialize instances of Class + static oop Class_obj_allocate(KlassHandle klass, int size, KlassHandle real_klass, TRAPS); + // General obj/array allocation facilities. inline static oop obj_allocate(KlassHandle klass, int size, TRAPS); inline static oop array_allocate(KlassHandle klass, int size, int length, TRAPS); diff -r a6fdc8d6c13c -r 1faa170a7597 hotspot/src/share/vm/oops/instanceMirrorKlass.cpp --- a/hotspot/src/share/vm/oops/instanceMirrorKlass.cpp Mon Oct 17 01:40:27 2011 -0400 +++ b/hotspot/src/share/vm/oops/instanceMirrorKlass.cpp Fri Oct 21 00:58:30 2011 -0700 @@ -288,15 +288,7 @@ // Query before forming handle. int size = instance_size(k); KlassHandle h_k(THREAD, as_klassOop()); - instanceOop i; - - if (JavaObjectsInPerm) { - i = (instanceOop) CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL); - } else { - assert(ScavengeRootsInCode > 0, "must be"); - i = (instanceOop) CollectedHeap::obj_allocate(h_k, size, CHECK_NULL); - } - + instanceOop i = (instanceOop) CollectedHeap::Class_obj_allocate(h_k, size, k, CHECK_NULL); return i; } diff -r a6fdc8d6c13c -r 1faa170a7597 hotspot/test/runtime/7100935/TestConjointAtomicArraycopy.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/test/runtime/7100935/TestConjointAtomicArraycopy.java Fri Oct 21 00:58:30 2011 -0700 @@ -0,0 +1,78 @@ +/* + * Copyright 2011 SAP AG. 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. + */ + +/* + * @test TestConjointAtomicArraycopy + * @bug 7100935 + * @summary verify that oops are copied element-wise atomic + * @run main/othervm -Xint TestConjointAtomicArraycopy + * @run main/othervm -Xcomp -Xbatch TestConjointAtomicArraycopy + * @author axel.siebenborn@sap.com + */ + +public class TestConjointAtomicArraycopy { + + static volatile Object [] testArray = new Object [4]; + + static short[] a1 = new short[8]; + static short[] a2 = new short[8]; + static short[] a3 = new short[8]; + + static volatile boolean keepRunning = true; + + static void testOopsCopy() throws InterruptedException{ + + } + + public static void main(String[] args ) throws InterruptedException{ + for (int i = 0; i < testArray.length; i++){ + testArray[i] = new String("A"); + } + + Thread writer = new Thread (new Runnable(){ + public void run(){ + for (int i = 0 ; i < 1000000; i++) { + System.arraycopy(testArray, 1, testArray, 0, 3); + testArray[2] = new String("a"); + } + } + }); + + Thread reader = new Thread( new Runnable(){ + public void run(){ + while (keepRunning){ + String name = testArray[2].getClass().getName(); + if(!(name.endsWith("String"))){ + throw new RuntimeException("got wrong class name"); + } + } + } + }); + keepRunning = true; + reader.start(); + writer.start(); + writer.join(); + keepRunning = false; + reader.join(); + } +} diff -r a6fdc8d6c13c -r 1faa170a7597 hotspot/test/runtime/7100935/TestShortArraycopy.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/test/runtime/7100935/TestShortArraycopy.java Fri Oct 21 00:58:30 2011 -0700 @@ -0,0 +1,77 @@ +/* + * Copyright 2011 SAP AG. 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. + */ + +/* + * @test TestShortArraycopy + * @bug 7100935 + * @summary verify that shorts are copied element-wise atomic. + * @run main/othervm -Xint TestShortArraycopy + * @run main/othervm -Xcomp -Xbatch TestShortArraycopy + * @author volker.simonis@gmail.com + */ + +public class TestShortArraycopy { + + static short[] a1 = new short[8]; + static short[] a2 = new short[8]; + static short[] a3 = new short[8]; + + static volatile boolean keepRunning = true; + + public static void main(String[] args) throws InterruptedException { + + for (int i = 0; i < a1.length ; i++) { + a1[i] = (short)0xffff; + a2[i] = (short)0xffff; + a3[i] = (short)0x0000; + } + Thread reader = new Thread() { + public void run() { + while (keepRunning) { + for (int j = 0; j < a1.length; j++) { + short s = a1[j]; + if (s != (short)0xffff && s != (short)0x0000) { + System.out.println("Error: s = " + s); + throw new RuntimeException("wrong result"); + + } + } + } + } + }; + Thread writer = new Thread() { + public void run() { + for (int i = 0; i < 1000000; i++) { + System.arraycopy(a2, 5, a1, 3, 3); + System.arraycopy(a3, 5, a1, 3, 3); + } + } + }; + keepRunning = true; + reader.start(); + writer.start(); + writer.join(); + keepRunning = false; + reader.join(); + } +}