Merge

hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/ServiceThread.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2011 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

hotspot/make/linux/README

@@ -1,4 +1,4 @@
-Copyright (c) 2007 Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2007, 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

hotspot/make/windows/projectfiles/kernel/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2007, 2010 Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2007, 2010, 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

hotspot/src/cpu/x86/vm/vm_version_x86.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2011, Oracle and/or its affiliates.  All Rights Reserved.
+ * Copyright (c) 1997, 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

hotspot/src/cpu/x86/vm/vm_version_x86.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates.  All Rights Reserved.
+ * Copyright (c) 1997, 2010, 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

hotspot/src/os/solaris/vm/os_solaris.cpp

@@ -3252,7 +3252,6 @@ bool os::unguard_memory(char* addr, size_t bytes) {
 //                                 supported Solaris versions, this combination
 //                                 is equivalent to +UseISM -UseMPSS.
 
-typedef int (*getpagesizes_func_type) (size_t[], int);
 static size_t _large_page_size = 0;
 
 bool os::Solaris::ism_sanity_check(bool warn, size_t * page_size) {
@@ -3284,23 +3283,29 @@ static void insertion_sort_descending(size_t* array, int len) {
 }
 
 bool os::Solaris::mpss_sanity_check(bool warn, size_t * page_size) {
-  getpagesizes_func_type getpagesizes_func =
-    CAST_TO_FN_PTR(getpagesizes_func_type, dlsym(RTLD_DEFAULT, "getpagesizes"));
-  if (getpagesizes_func == NULL) {
-    if (warn) {
-      warning("MPSS is not supported by the operating system.");
-    }
-    return false;
-  }
-
   const unsigned int usable_count = VM_Version::page_size_count();
   if (usable_count == 1) {
     return false;
   }
 
+  // Find the right getpagesizes interface.  When solaris 11 is the minimum
+  // build platform, getpagesizes() (without the '2') can be called directly.
+  typedef int (*gps_t)(size_t[], int);
+  gps_t gps_func = CAST_TO_FN_PTR(gps_t, dlsym(RTLD_DEFAULT, "getpagesizes2"));
+  if (gps_func == NULL) {
+    gps_func = CAST_TO_FN_PTR(gps_t, dlsym(RTLD_DEFAULT, "getpagesizes"));
+    if (gps_func == NULL) {
+      if (warn) {
+        warning("MPSS is not supported by the operating system.");
+      }
+      return false;
+    }
+  }
+
   // Fill the array of page sizes.
-  int n = getpagesizes_func(_page_sizes, page_sizes_max);
+  int n = (*gps_func)(_page_sizes, page_sizes_max);
   assert(n > 0, "Solaris bug?");
+
   if (n == page_sizes_max) {
     // Add a sentinel value (necessary only if the array was completely filled
     // since it is static (zeroed at initialization)).
@@ -3308,6 +3313,7 @@ bool os::Solaris::mpss_sanity_check(bool warn, size_t * page_size) {
     DEBUG_ONLY(warning("increase the size of the os::_page_sizes array.");)
   }
   assert(_page_sizes[n] == 0, "missing sentinel");
+  trace_page_sizes("available page sizes", _page_sizes, n);
 
   if (n == 1) return false;     // Only one page size available.
 
@@ -3337,6 +3343,7 @@ bool os::Solaris::mpss_sanity_check(bool warn, size_t * page_size) {
   }
   *page_size = _page_sizes[0];
 
+  trace_page_sizes("usable page sizes", _page_sizes, end + 1);
   return true;
 }
 

hotspot/src/os_cpu/solaris_sparc/vm/solaris_sparc.s

@@ -1,5 +1,5 @@
 !!
-!! Copyright (c) 2005, 2008 Oracle and/or its affiliates. All rights reserved.
+!! Copyright (c) 2005, 2008, 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

hotspot/src/share/tools/hsdis/README

@@ -1,4 +1,4 @@
-Copyright (c) 2008 Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2008, 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

hotspot/src/share/vm/gc_implementation/g1/heapRegionSet.inline.hpp

@@ -1,5 +1,5 @@
 /*
- * copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 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

hotspot/src/share/vm/gc_implementation/parNew/parCardTableModRefBS.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2011 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 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

hotspot/src/share/vm/oops/generateOopMap.cpp

@@ -963,10 +963,21 @@ void GenerateOopMap::init_basic_blocks() {
   // initialize the CellTypeState-related information.
   init_state();
 
-  // We allocate space for all state-vectors for all basicblocks in one huge chuck.
-  // Then in the next part of the code, we set a pointer in each _basic_block that
-  // points to each piece.
-  CellTypeState *basicBlockState = NEW_RESOURCE_ARRAY(CellTypeState, bbNo * _state_len);
+  // We allocate space for all state-vectors for all basicblocks in one huge
+  // chunk.  Then in the next part of the code, we set a pointer in each
+  // _basic_block that points to each piece.
+
+  // The product of bbNo and _state_len can get large if there are lots of
+  // basic blocks and stack/locals/monitors.  Need to check to make sure
+  // we don't overflow the capacity of a pointer.
+  if ((unsigned)bbNo > UINTPTR_MAX / sizeof(CellTypeState) / _state_len) {
+    report_error("The amount of memory required to analyze this method "
+                 "exceeds addressable range");
+    return;
+  }
+
+  CellTypeState *basicBlockState =
+      NEW_RESOURCE_ARRAY(CellTypeState, bbNo * _state_len);
   memset(basicBlockState, 0, bbNo * _state_len * sizeof(CellTypeState));
 
   // Make a pass over the basicblocks and assign their state vectors.

hotspot/src/share/vm/runtime/os.cpp

@@ -1232,6 +1232,17 @@ size_t os::page_size_for_region(size_t region_min_size, size_t region_max_size,
 }
 
 #ifndef PRODUCT
+void os::trace_page_sizes(const char* str, const size_t* page_sizes, int count)
+{
+  if (TracePageSizes) {
+    tty->print("%s: ", str);
+    for (int i = 0; i < count; ++i) {
+      tty->print(" " SIZE_FORMAT, page_sizes[i]);
+    }
+    tty->cr();
+  }
+}
+
 void os::trace_page_sizes(const char* str, const size_t region_min_size,
                           const size_t region_max_size, const size_t page_size,
                           const char* base, const size_t size)

hotspot/src/share/vm/runtime/os.hpp

@@ -208,11 +208,13 @@ class os: AllStatic {
                                      size_t region_max_size,
                                      uint min_pages);
 
-  // Method for tracing page sizes returned by the above method; enabled by
+  // Methods for tracing page sizes returned by the above method; enabled by
   // TracePageSizes.  The region_{min,max}_size parameters should be the values
   // passed to page_size_for_region() and page_size should be the result of that
   // call.  The (optional) base and size parameters should come from the
   // ReservedSpace base() and size() methods.
+  static void trace_page_sizes(const char* str, const size_t* page_sizes,
+                               int count) PRODUCT_RETURN;
   static void trace_page_sizes(const char* str, const size_t region_min_size,
                                const size_t region_max_size,
                                const size_t page_size,

hotspot/src/share/vm/utilities/yieldingWorkgroup.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2010 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2010, 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

hotspot/test/runtime/7020373/Test7020373.sh

@@ -0,0 +1,86 @@
+#!/bin/sh
+
+##
+## @test
+## @bug 7020373 7055247
+## @key cte_test
+## @summary JSR rewriting can overflow memory address size variables
+## @ignore Ignore it until 7053586 fixed
+## @run shell Test7020373.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
+
+BIT_FLAG=""
+
+# set platform-dependent variables
+OS=`uname -s`
+case "$OS" in
+  SunOS | Linux )
+    NULL=/dev/null
+    PS=":"
+    FS="/"
+    ## for solaris, linux it's HOME
+    FILE_LOCATION=$HOME
+    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
+    then
+        BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT | grep -v '^#'`
+    fi
+    ;;
+  Windows_* )
+    NULL=NUL
+    PS=";"
+    FS="\\"
+    ;;
+  * )
+    echo "Unrecognized system!"
+    exit 1;
+    ;;
+esac
+
+JEMMYPATH=${CPAPPEND}
+CLASSPATH=.${PS}${TESTCLASSES}${PS}${JEMMYPATH} ; export CLASSPATH
+
+THIS_DIR=`pwd`
+
+${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -version
+
+${TESTJAVA}${FS}bin${FS}jar xvf ${TESTSRC}${FS}testcase.jar
+
+${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} OOMCrashClass4000_1 > test.out 2>&1
+
+cat test.out
+
+egrep "SIGSEGV|An unexpected error has been detected" test.out
+
+if [ $? = 0 ]
+then
+    echo "Test Failed"
+    exit 1
+else
+    grep "java.lang.LinkageError" test.out
+    if [ $? = 0 ]
+    then
+        echo "Test Passed"
+        exit 0
+    else
+        echo "Test Failed"
+        exit 1
+    fi
+fi