Merge

src/share/vm/ci/ciField.cpp

 /*
- * 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 @@ ciField::ciField(ciInstanceKlass* klass, int index): _known_to_link_with(NULL) {
   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 @@ ciType* ciField::compute_type_impl() {
 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 @@ bool ciField::will_link(ciInstanceKlass* accessing_klass,
     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 @@ bool ciField::will_link(ciInstanceKlass* accessing_klass,
                               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;
 }

src/share/vm/ci/ciField.hpp

 /*
- * 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 @@ private:
   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

src/share/vm/classfile/verifier.cpp

@@ -1884,10 +1884,10 @@ void ClassVerifier::verify_invoke_init(
   VerificationType type = current_frame->pop_stack(
     VerificationType::reference_check(), CHECK_VERIFY(this));
   if (type == VerificationType::uninitialized_this_type()) {
-    // The method must be an <init> method of either this class, or one of its
-    // superclasses
+    // The method must be an <init> 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 <init> method call");
       return;
     }

src/share/vm/compiler/compilerOracle.cpp

 /*
- * 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 @@ void CompilerOracle::parse_from_line(char* line) {
 }
 
 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::parse_from_string(const char* str, void (*parse_line)(char*
 }
 
 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_comment_to_file(const char* message) {
 }
 
 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::append_exclude_to_file(methodHandle method) {
 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");

src/share/vm/compiler/compilerOracle.hpp

 /*
- * 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 @@ class CompilerOracle : AllStatic {
   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();
 

src/share/vm/opto/runtime.cpp

@@ -896,7 +896,8 @@ static void report_null_exception_in_code_cache(address exception_pc) {
       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)) {

src/share/vm/runtime/arguments.cpp

@@ -3017,12 +3017,14 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
     }
   }
 
+#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++) {

test/runtime/7110720/Test7110720.sh

+#
+#  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
+

test/runtime/7160757/Test7160757.java

+/*
+ * 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.<init>()
+         *         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);
+        }
+    }
+}