# HG changeset patch # User lana # Date 1340731631 25200 # Node ID 9d5f20961bc5846fa8d098d534effafbbdae0a58 # Parent 0976e71907b9f9bbe0f9bf7ef37a136b88091994# Parent f9d57285de70374c69be326ee018711b6700fdb0 Merge diff -r 0976e71907b9 -r 9d5f20961bc5 src/share/vm/ci/ciField.cpp --- a/src/share/vm/ci/ciField.cpp Thu Jun 21 17:07:40 2012 -0700 +++ b/src/share/vm/ci/ciField.cpp Tue Jun 26 10:27:11 2012 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 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 @@ -67,7 +67,7 @@ // ------------------------------------------------------------------ // ciField::ciField -ciField::ciField(ciInstanceKlass* klass, int index): _known_to_link_with(NULL) { +ciField::ciField(ciInstanceKlass* klass, int index): _known_to_link_with_put(NULL), _known_to_link_with_get(NULL) { ASSERT_IN_VM; CompilerThread *thread = CompilerThread::current(); @@ -143,7 +143,7 @@ initialize_from(&field_desc); } -ciField::ciField(fieldDescriptor *fd): _known_to_link_with(NULL) { +ciField::ciField(fieldDescriptor *fd): _known_to_link_with_put(NULL), _known_to_link_with_get(NULL) { ASSERT_IN_VM; _cp_index = -1; @@ -315,6 +315,10 @@ bool ciField::will_link(ciInstanceKlass* accessing_klass, Bytecodes::Code bc) { VM_ENTRY_MARK; + assert(bc == Bytecodes::_getstatic || bc == Bytecodes::_putstatic || + bc == Bytecodes::_getfield || bc == Bytecodes::_putfield, + "unexpected bytecode"); + if (_offset == -1) { // at creation we couldn't link to our holder so we need to // maintain that stance, otherwise there's no safe way to use this @@ -322,8 +326,22 @@ return false; } - if (_known_to_link_with == accessing_klass) { - return true; + // Check for static/nonstatic mismatch + bool is_static = (bc == Bytecodes::_getstatic || bc == Bytecodes::_putstatic); + if (is_static != this->is_static()) { + return false; + } + + // Get and put can have different accessibility rules + bool is_put = (bc == Bytecodes::_putfield || bc == Bytecodes::_putstatic); + if (is_put) { + if (_known_to_link_with_put == accessing_klass) { + return true; + } + } else { + if (_known_to_link_with_get == accessing_klass) { + return true; + } } FieldAccessInfo result; @@ -334,8 +352,13 @@ true, false, KILL_COMPILE_ON_FATAL_(false)); // update the hit-cache, unless there is a problem with memory scoping: - if (accessing_klass->is_shared() || !is_shared()) - _known_to_link_with = accessing_klass; + if (accessing_klass->is_shared() || !is_shared()) { + if (is_put) { + _known_to_link_with_put = accessing_klass; + } else { + _known_to_link_with_get = accessing_klass; + } + } return true; } diff -r 0976e71907b9 -r 9d5f20961bc5 src/share/vm/ci/ciField.hpp --- a/src/share/vm/ci/ciField.hpp Thu Jun 21 17:07:40 2012 -0700 +++ b/src/share/vm/ci/ciField.hpp Tue Jun 26 10:27:11 2012 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 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 @@ -49,7 +49,8 @@ ciType* _type; int _offset; bool _is_constant; - ciInstanceKlass* _known_to_link_with; + ciInstanceKlass* _known_to_link_with_put; + ciInstanceKlass* _known_to_link_with_get; ciConstant _constant_value; // Used for will_link diff -r 0976e71907b9 -r 9d5f20961bc5 src/share/vm/classfile/verifier.cpp --- a/src/share/vm/classfile/verifier.cpp Thu Jun 21 17:07:40 2012 -0700 +++ b/src/share/vm/classfile/verifier.cpp Tue Jun 26 10:27:11 2012 -0700 @@ -1884,10 +1884,10 @@ VerificationType type = current_frame->pop_stack( VerificationType::reference_check(), CHECK_VERIFY(this)); if (type == VerificationType::uninitialized_this_type()) { - // The method must be an method of either this class, or one of its - // superclasses + // The method must be an method of this class or its superclass + klassOop superk = current_class()->super(); if (ref_class_type.name() != current_class()->name() && - !name_in_supers(ref_class_type.name(), current_class())) { + ref_class_type.name() != superk->klass_part()->name()) { verify_error(bci, "Bad method call"); return; } diff -r 0976e71907b9 -r 9d5f20961bc5 src/share/vm/compiler/compilerOracle.cpp --- a/src/share/vm/compiler/compilerOracle.cpp Thu Jun 21 17:07:40 2012 -0700 +++ b/src/share/vm/compiler/compilerOracle.cpp Tue Jun 26 10:27:11 2012 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1998, 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 @@ -551,13 +551,21 @@ } static const char* cc_file() { +#ifdef ASSERT if (CompileCommandFile == NULL) return ".hotspot_compiler"; +#endif return CompileCommandFile; } + +bool CompilerOracle::has_command_file() { + return cc_file() != NULL; +} + bool CompilerOracle::_quiet = false; void CompilerOracle::parse_from_file() { + assert(has_command_file(), "command file must be specified"); FILE* stream = fopen(cc_file(), "rt"); if (stream == NULL) return; @@ -600,6 +608,7 @@ } void CompilerOracle::append_comment_to_file(const char* message) { + assert(has_command_file(), "command file must be specified"); fileStream stream(fopen(cc_file(), "at")); stream.print("# "); for (int index = 0; message[index] != '\0'; index++) { @@ -610,6 +619,7 @@ } void CompilerOracle::append_exclude_to_file(methodHandle method) { + assert(has_command_file(), "command file must be specified"); fileStream stream(fopen(cc_file(), "at")); stream.print("exclude "); Klass::cast(method->method_holder())->name()->print_symbol_on(&stream); @@ -624,7 +634,9 @@ void compilerOracle_init() { CompilerOracle::parse_from_string(CompileCommand, CompilerOracle::parse_from_line); CompilerOracle::parse_from_string(CompileOnly, CompilerOracle::parse_compile_only); - CompilerOracle::parse_from_file(); + if (CompilerOracle::has_command_file()) { + CompilerOracle::parse_from_file(); + } if (lists[PrintCommand] != NULL) { if (PrintAssembly) { warning("CompileCommand and/or .hotspot_compiler file contains 'print' commands, but PrintAssembly is also enabled"); diff -r 0976e71907b9 -r 9d5f20961bc5 src/share/vm/compiler/compilerOracle.hpp --- a/src/share/vm/compiler/compilerOracle.hpp Thu Jun 21 17:07:40 2012 -0700 +++ b/src/share/vm/compiler/compilerOracle.hpp Tue Jun 26 10:27:11 2012 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1998, 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 @@ -36,6 +36,10 @@ static bool _quiet; public: + + // True if the command file has been specified or is implicit + static bool has_command_file(); + // Reads from file and adds to lists static void parse_from_file(); diff -r 0976e71907b9 -r 9d5f20961bc5 src/share/vm/opto/runtime.cpp --- a/src/share/vm/opto/runtime.cpp Thu Jun 21 17:07:40 2012 -0700 +++ b/src/share/vm/opto/runtime.cpp Tue Jun 26 10:27:11 2012 -0700 @@ -896,7 +896,8 @@ methodOop method = ((nmethod*)n)->method(); tty->print_cr("# Method where it happened %s.%s ", Klass::cast(method->method_holder())->name()->as_C_string(), method->name()->as_C_string()); tty->print_cr("#"); - if (ShowMessageBoxOnError && UpdateHotSpotCompilerFileOnError) { + if (ShowMessageBoxOnError && UpdateHotSpotCompilerFileOnError && + CompilerOracle::has_command_file()) { const char* title = "HotSpot Runtime Error"; const char* question = "Do you want to exclude compilation of this method in future runs?"; if (os::message_box(title, question)) { diff -r 0976e71907b9 -r 9d5f20961bc5 src/share/vm/runtime/arguments.cpp --- a/src/share/vm/runtime/arguments.cpp Thu Jun 21 17:07:40 2012 -0700 +++ b/src/share/vm/runtime/arguments.cpp Tue Jun 26 10:27:11 2012 -0700 @@ -3017,12 +3017,14 @@ } } +#ifdef ASSERT // Parse default .hotspotrc settings file if (!settings_file_specified) { if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { return JNI_EINVAL; } } +#endif if (PrintVMOptions) { for (index = 0; index < args->nOptions; index++) { diff -r 0976e71907b9 -r 9d5f20961bc5 test/runtime/7110720/Test7110720.sh --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/7110720/Test7110720.sh Tue Jun 26 10:27:11 2012 -0700 @@ -0,0 +1,122 @@ +# +# Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# + + +# +# @test Test7110720.sh +# @bug 7110720 +# @summary improve VM configuration file loading +# @run shell Test7110720.sh +# + +if [ "${TESTSRC}" = "" ] + then TESTSRC=. +fi + +if [ "${TESTJAVA}" = "" ] +then + PARENT=`dirname \`which java\`` + TESTJAVA=`dirname ${PARENT}` + echo "TESTJAVA not set, selecting " ${TESTJAVA} + echo "If this is incorrect, try setting the variable manually." +fi + +if [ "${TESTCLASSES}" = "" ] +then + echo "TESTCLASSES not set. Test cannot execute. Failed." + exit 1 +fi + +# Jtreg sets TESTVMOPTS which may include -d64 which is +# required to test a 64-bit JVM on some platforms. +# If another test harness still creates HOME/JDK64BIT, +# we can recognise that. + +# set platform-dependent variables +OS=`uname -s` +case "$OS" in + SunOS | Linux ) + FS="/" + RM=/bin/rm + CP=/bin/cp + MV=/bin/mv + ## for solaris, linux it's HOME + FILE_LOCATION=$HOME + if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ] + then + TESTVMOPTS=`cat ${FILE_LOCATION}${FS}JDK64BIT` + fi + ;; + Windows_* ) + FS="\\" + RM=rm + CP=cp + MV=mv + ;; + * ) + echo "Unrecognized system!" + exit 1; + ;; +esac + + +JAVA=${TESTJAVA}${FS}bin${FS}java + +# Don't test debug builds, they do read the config files: +${JAVA} ${TESTVMOPTS} -version 2>&1 | grep "debug" >/dev/null +if [ "$?" = "0" ]; then + echo Skipping test for debug build. + exit 0 +fi + +ok=yes + +$RM -f .hotspot_compiler .hotspotrc + +${JAVA} ${TESTVMOPTS} -version 2>&1 | grep "garbage in" >/dev/null +if [ "$?" = "0" ]; then + echo "FAILED: base case failure" + exit 1 +fi + + +echo "garbage in, garbage out" > .hotspot_compiler +${JAVA} ${TESTVMOPTS} -version 2>&1 | grep "garbage in" >/dev/null +if [ "$?" = "0" ]; then + echo "FAILED: .hotspot_compiler was read" + ok=no +fi + +$MV .hotspot_compiler hs_comp.txt +${JAVA} ${TESTVMOPTS} -XX:CompileCommandFile=hs_comp.txt -version 2>&1 | grep "garbage in" >/dev/null +if [ "$?" = "1" ]; then + echo "FAILED: explicit compiler command file not read" + ok=no +fi + +$RM -f .hotspot_compiler hs_comp.txt + +echo "garbage" > .hotspotrc +${JAVA} ${TESTVMOPTS} -version 2>&1 | grep "garbage" >/dev/null +if [ "$?" = "0" ]; then + echo "FAILED: .hotspotrc was read" + ok=no +fi + +$MV .hotspotrc hs_flags.txt +${JAVA} ${TESTVMOPTS} -XX:Flags=hs_flags.txt -version 2>&1 | grep "garbage" >/dev/null +if [ "$?" = "1" ]; then + echo "FAILED: explicit flags file not read" + ok=no +fi + +if [ "${ok}" = "no" ]; then + echo "Some tests failed." + exit 1 +else + echo "Passed" + exit 0 +fi + diff -r 0976e71907b9 -r 9d5f20961bc5 test/runtime/7160757/Test7160757.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/7160757/Test7160757.java Tue Jun 26 10:27:11 2012 -0700 @@ -0,0 +1,82 @@ +/* + * 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. + */ + +/* + * @test Test7160757.java + * @bug 7160757 + * @summary Tests that superclass initialization is not skipped + */ + +public class Test7160757 { + + public static void main(String args[]) throws Exception { + + ClassLoader loader = new SLoader(); + try { + Class.forName("S", true, loader); + System.out.println("FAILED"); + throw new Exception("Should have thrown a VerifyError."); + } catch (VerifyError e) { + System.out.println(e); + System.out.println("PASSED"); + } + } + + static class SLoader extends ClassLoader { + + /** + * public class S extends Throwable { + * public S() { + * aload_0 + * invokespecial Object.() + * return + * } + * } + */ + static byte b(int i) { return (byte)i; } + static byte S_class[] = { + b(0xca), b(0xfe), b(0xba), b(0xbe), 0x00, 0x00, 0x00, 0x32, + 0x00, 0x0c, 0x0a, 0x00, 0x0b, 0x00, 0x07, 0x07, + 0x00, 0x08, 0x07, 0x00, 0x09, 0x01, 0x00, 0x06, + 0x3c, 0x69, 0x6e, 0x69, 0x74, 0x3e, 0x01, 0x00, + 0x03, 0x28, 0x29, 0x56, 0x01, 0x00, 0x04, 0x43, + 0x6f, 0x64, 0x65, 0x0c, 0x00, 0x04, 0x00, 0x05, + 0x01, 0x00, 0x01, 0x53, 0x01, 0x00, 0x13, 0x6a, + 0x61, 0x76, 0x61, 0x2f, 0x6c, 0x61, 0x6e, 0x67, + 0x2f, 0x54, 0x68, 0x72, 0x6f, 0x77, 0x61, 0x62, + 0x6c, 0x65, 0x01, 0x00, 0x10, 0x6a, 0x61, 0x76, + 0x61, 0x2f, 0x6c, 0x61, 0x6e, 0x67, 0x2f, 0x4f, + 0x62, 0x6a, 0x65, 0x63, 0x74, 0x07, 0x00, 0x0a, + 0x00, 0x21, 0x00, 0x02, 0x00, 0x03, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x04, + 0x00, 0x05, 0x00, 0x01, 0x00, 0x06, 0x00, 0x00, + 0x00, 0x11, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, + 0x00, 0x05, 0x2a, b(0xb7), 0x00, 0x01, b(0xb1), 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00 + }; + + public Class findClass(String name) throws ClassNotFoundException { + return defineClass(name, S_class, 0, S_class.length); + } + } +}