Mercurial > hg > truffle

changeset 6088:7089278210e2

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Merge
author kvn
date Thu, 24 May 2012 18:39:44 -0700
parents cee14a6fc5ac (diff) e2961d14584b (current diff)
children 785573170238 8f6ce6f1049b
files
diffstat 57 files changed, 795 insertions(+), 416 deletions(-) [+]
line wrap: on
line diff
--- a/.hgtags	Mon May 21 09:46:02 2012 +0200
+++ b/.hgtags	Thu May 24 18:39:44 2012 -0700
@@ -246,3 +246,5 @@
 7d5ec8bf38d1b12e0e09ec381f10976b8beede3b hs24-b09
 637c3f5f068f88fb9ec9c5867341cf59fd5ebedc jdk8-b38
 73147e6c48813b5fee904aa33f79a77103250ff4 hs24-b10
+96a403721094ecdaf6a1f4f52ebd0a82e07df199 jdk8-b39
+14b0e07ab9a6fa1662414496b7e07ac8450cf517 hs24-b11
--- a/agent/src/share/classes/sun/jvm/hotspot/HotSpotAgent.java	Mon May 21 09:46:02 2012 +0200
+++ b/agent/src/share/classes/sun/jvm/hotspot/HotSpotAgent.java	Thu May 24 18:39:44 2012 -0700
@@ -572,10 +572,10 @@
 
         if (cpu.equals("x86")) {
             machDesc = new MachineDescriptionIntelX86();
-        } else if (cpu.equals("amd64")) {
+        } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
             machDesc = new MachineDescriptionAMD64();
         } else {
-            throw new DebuggerException("BSD only supported on x86/amd64");
+            throw new DebuggerException("BSD only supported on x86/x86_64. Current arch: " + cpu);
         }
 
         BsdDebuggerLocal dbg = new BsdDebuggerLocal(machDesc, !isServer);
--- a/agent/src/share/classes/sun/jvm/hotspot/bugspot/BugSpotAgent.java	Mon May 21 09:46:02 2012 +0200
+++ b/agent/src/share/classes/sun/jvm/hotspot/bugspot/BugSpotAgent.java	Thu May 24 18:39:44 2012 -0700
@@ -762,10 +762,10 @@
 
         if (cpu.equals("x86")) {
             machDesc = new MachineDescriptionIntelX86();
-        } else if (cpu.equals("amd64")) {
+        } else if (cpu.equals("amd64") || (cpu.equals("x86_64"))) {
             machDesc = new MachineDescriptionAMD64();
         } else {
-            throw new DebuggerException("Bsd only supported on x86/amd64");
+            throw new DebuggerException("Bsd only supported on x86/x86_64. Current arch: " + cpu);
         }
 
         // Note we do not use a cache for the local debugger in server
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/bsd/BsdCDebugger.java	Mon May 21 09:46:02 2012 +0200
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/bsd/BsdCDebugger.java	Thu May 24 18:39:44 2012 -0700
@@ -90,7 +90,7 @@
        Address pc  = context.getRegisterAsAddress(X86ThreadContext.EIP);
        if (pc == null) return null;
        return new BsdX86CFrame(dbg, ebp, pc);
-    } else if (cpu.equals("amd64")) {
+    } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
        AMD64ThreadContext context = (AMD64ThreadContext) thread.getContext();
        Address rbp = context.getRegisterAsAddress(AMD64ThreadContext.RBP);
        if (rbp == null) return null;
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/bsd/BsdThreadContextFactory.java	Mon May 21 09:46:02 2012 +0200
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/bsd/BsdThreadContextFactory.java	Thu May 24 18:39:44 2012 -0700
@@ -33,7 +33,7 @@
       String cpu = dbg.getCPU();
       if (cpu.equals("x86")) {
          return new BsdX86ThreadContext(dbg);
-      } else if (cpu.equals("amd64")) {
+      } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
          return new BsdAMD64ThreadContext(dbg);
       } else {
          throw new RuntimeException("cpu " + cpu + " is not yet supported");
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/proc/ProcDebuggerLocal.java	Mon May 21 09:46:02 2012 +0200
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/proc/ProcDebuggerLocal.java	Thu May 24 18:39:44 2012 -0700
@@ -81,7 +81,7 @@
             pcRegIndex = X86ThreadContext.EIP;
             fpRegIndex = X86ThreadContext.EBP;
             unalignedAccessesOkay = true;
-        } else if (cpu.equals("amd64")) {
+        } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
             threadFactory = new ProcAMD64ThreadFactory(this);
             pcRegIndex = AMD64ThreadContext.RIP;
             fpRegIndex = AMD64ThreadContext.RBP;
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/remote/RemoteDebuggerClient.java	Mon May 21 09:46:02 2012 +0200
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/remote/RemoteDebuggerClient.java	Thu May 24 18:39:44 2012 -0700
@@ -64,7 +64,7 @@
         cachePageSize = 4096;
         cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize);
         unalignedAccessesOkay = true;
-      } else if (cpu.equals("amd64")) {
+      } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
         threadFactory = new RemoteAMD64ThreadFactory(this);
         cachePageSize = 4096;
         cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize);
--- a/agent/src/share/classes/sun/jvm/hotspot/runtime/Threads.java	Mon May 21 09:46:02 2012 +0200
+++ b/agent/src/share/classes/sun/jvm/hotspot/runtime/Threads.java	Thu May 24 18:39:44 2012 -0700
@@ -95,7 +95,7 @@
         } else if (os.equals("bsd")) {
             if (cpu.equals("x86")) {
                 access = new BsdX86JavaThreadPDAccess();
-            } else if (cpu.equals("amd64")) {
+            } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
                 access = new BsdAMD64JavaThreadPDAccess();
             }
         }
--- a/agent/src/share/classes/sun/jvm/hotspot/ui/classbrowser/HTMLGenerator.java	Mon May 21 09:46:02 2012 +0200
+++ b/agent/src/share/classes/sun/jvm/hotspot/ui/classbrowser/HTMLGenerator.java	Thu May 24 18:39:44 2012 -0700
@@ -199,7 +199,7 @@
          cpuHelper = new SPARCHelper();
       } else if (cpu.equals("x86")) {
          cpuHelper = new X86Helper();
-      } else if (cpu.equals("amd64")) {
+      } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
          cpuHelper = new AMD64Helper();
       } else if (cpu.equals("ia64")) {
          cpuHelper = new IA64Helper();
--- a/agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaFrame.java	Mon May 21 09:46:02 2012 +0200
+++ b/agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaFrame.java	Thu May 24 18:39:44 2012 -0700
@@ -153,7 +153,8 @@
             List visibleVars = new ArrayList(0);
             for (int i = 0; i < localVars.length; i++) {
                 LocalVariableTableElement cur = localVars[i];
-                if (cur.getStartBCI() >= bci && cur.getLength() > 0) {
+                int startBCI = cur.getStartBCI();
+                if (startBCI <= bci && bci < startBCI + cur.getLength()) {
                     visibleVars.add(cur);
                 }
             }
--- a/make/hotspot_version	Mon May 21 09:46:02 2012 +0200
+++ b/make/hotspot_version	Thu May 24 18:39:44 2012 -0700
@@ -35,7 +35,7 @@
 
 HS_MAJOR_VER=24
 HS_MINOR_VER=0
-HS_BUILD_NUMBER=11
+HS_BUILD_NUMBER=12
 
 JDK_MAJOR_VER=1
 JDK_MINOR_VER=8
--- a/make/linux/makefiles/vm.make	Mon May 21 09:46:02 2012 +0200
+++ b/make/linux/makefiles/vm.make	Thu May 24 18:39:44 2012 -0700
@@ -102,9 +102,11 @@
 # a time and date. 
 vm_version.o: CXXFLAGS += ${JRE_VERSION}
 
-ifndef JAVASE_EMBEDDED
+ifndef JAVASE_EMBEDDED 
+ifneq (${ARCH},arm)
 CFLAGS += -DINCLUDE_TRACE
 endif
+endif
 
 # CFLAGS_WARN holds compiler options to suppress/enable warnings.
 CFLAGS += $(CFLAGS_WARN/BYFILE)
@@ -153,11 +155,13 @@
 SOURCE_PATHS+=$(HS_COMMON_SRC)/cpu/$(Platform_arch)/vm
 SOURCE_PATHS+=$(HS_COMMON_SRC)/os_cpu/$(Platform_os_arch)/vm
 
-ifndef JAVASE_EMBEDDED
+ifndef JAVASE_EMBEDDED 
+ifneq (${ARCH},arm)
 SOURCE_PATHS+=$(shell if [ -d $(HS_ALT_SRC)/share/vm/jfr ]; then \
   find $(HS_ALT_SRC)/share/vm/jfr -type d; \
   fi)
 endif
+endif
 
 CORE_PATHS=$(foreach path,$(SOURCE_PATHS),$(call altsrc,$(path)) $(path))
 CORE_PATHS+=$(GENERATED)/jvmtifiles
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/solaris/makefiles/add_gnu_debuglink.make	Thu May 24 18:39:44 2012 -0700
@@ -0,0 +1,51 @@
+#
+# 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.
+#  
+#
+
+# Rules to build add_gnu_debuglink, used by vm.make on Solaris
+
+GENERATED                 = ../generated
+ADD_GNU_DEBUGLINK         = $(GENERATED)/add_gnu_debuglink
+
+ADD_GNU_DEBUGLINK_DIR     = $(GAMMADIR)/src/os/solaris/add_gnu_debuglink
+ADD_GNU_DEBUGLINK_SRC     = $(ADD_GNU_DEBUGLINK_DIR)/add_gnu_debuglink.c
+ADD_GNU_DEBUGLINK_FLAGS   = 
+LIBS_ADD_GNU_DEBUGLINK   += -lelf
+
+ifeq ("${Platform_compiler}", "sparcWorks")
+# Enable the following ADD_GNU_DEBUGLINK_FLAGS addition if you need to
+# compare the built ELF objects.
+#
+# The -g option makes static data global and the "-W0,-noglobal"
+# option tells the compiler to not globalize static data using a unique
+# globalization prefix. Instead force the use of a static globalization
+# prefix based on the source filepath so the objects from two identical
+# compilations are the same.
+#
+# Note: The blog says to use "-W0,-xglobalstatic", but that doesn't
+#       seem to work. I got "-W0,-noglobal" from Kelly and that works.
+#ADD_GNU_DEBUGLINK_FLAGS += -W0,-noglobal
+endif # Platform_compiler == sparcWorks
+
+$(ADD_GNU_DEBUGLINK): $(ADD_GNU_DEBUGLINK_SRC)
+	$(CC) -g -o $@ $< $(ADD_GNU_DEBUGLINK_FLAGS) $(LIBS_ADD_GNU_DEBUGLINK)
--- a/make/solaris/makefiles/defs.make	Mon May 21 09:46:02 2012 +0200
+++ b/make/solaris/makefiles/defs.make	Thu May 24 18:39:44 2012 -0700
@@ -109,18 +109,12 @@
   # overridden in some situations, e.g., a BUILD_FLAVOR != product
   # build.
 
-  # Disable FULL_DEBUG_SYMBOLS by default because dtrace tests are
-  # failing in nightly when the debug info files are ZIP'ed. On
-  # Solaris debug info files need to be ZIP'ed to reduce the impact
-  # on disk space footprint.
-  FULL_DEBUG_SYMBOLS ?= 0
   ifeq ($(BUILD_FLAVOR), product)
-    # FULL_DEBUG_SYMBOLS ?= 1
+    FULL_DEBUG_SYMBOLS ?= 1
     ENABLE_FULL_DEBUG_SYMBOLS = $(FULL_DEBUG_SYMBOLS)
   else
     # debug variants always get Full Debug Symbols (if available)
-    # ENABLE_FULL_DEBUG_SYMBOLS = 1
-    ENABLE_FULL_DEBUG_SYMBOLS = $(FULL_DEBUG_SYMBOLS)
+    ENABLE_FULL_DEBUG_SYMBOLS = 1
   endif
   _JUNK_ := $(shell \
     echo >&2 "INFO: ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)")
@@ -178,9 +172,7 @@
     _JUNK_ := $(shell \
       echo >&2 "INFO: STRIP_POLICY=$(STRIP_POLICY)")
 
-    # Disable ZIP_DEBUGINFO_FILES by default because dtrace tests are
-    # failing in nightly when the debug info files are ZIP'ed.
-    ZIP_DEBUGINFO_FILES ?= 0
+    ZIP_DEBUGINFO_FILES ?= 1
 
     _JUNK_ := $(shell \
       echo >&2 "INFO: ZIP_DEBUGINFO_FILES=$(ZIP_DEBUGINFO_FILES)")
--- a/make/solaris/makefiles/vm.make	Mon May 21 09:46:02 2012 +0200
+++ b/make/solaris/makefiles/vm.make	Thu May 24 18:39:44 2012 -0700
@@ -145,6 +145,10 @@
 include $(MAKEFILES_DIR)/dtrace.make
 
 #----------------------------------------------------------------------
+# add_gnu_debuglink tool
+include $(MAKEFILES_DIR)/add_gnu_debuglink.make
+
+#----------------------------------------------------------------------
 # JVM
 
 JVM      = jvm
@@ -276,7 +280,7 @@
 LINK_VM = $(LINK_LIB.CXX)
 endif
 # making the library:
-$(LIBJVM): $(LIBJVM.o) $(LIBJVM_MAPFILE) 
+$(LIBJVM): $(ADD_GNU_DEBUGLINK) $(LIBJVM.o) $(LIBJVM_MAPFILE) 
 ifeq ($(filter -sbfast -xsbfast, $(CFLAGS_BROWSE)),)
 	@echo Linking vm...
 	$(QUIETLY) $(LINK_LIB.CXX/PRE_HOOK)
@@ -287,7 +291,11 @@
 	$(QUIETLY) [ -f $(LIBJVM_G).1 ] || ln -s $@.1 $(LIBJVM_G).1
 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 	$(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJVM_DEBUGINFO)
-	$(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJVM_DEBUGINFO) $@
+# $(OBJCOPY) --add-gnu-debuglink=... corrupts the SUNW_dof section
+# in libjvm.so. Use $(ADD_GNU_DEBUGLINK) until a fixed $(OBJCOPY)
+# is available.
+#	$(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJVM_DEBUGINFO) $@
+	$(QUIETLY) $(ADD_GNU_DEBUGLINK) $(LIBJVM_DEBUGINFO) $@
   ifeq ($(STRIP_POLICY),all_strip)
 	$(QUIETLY) $(STRIP) $@
   else
--- a/make/windows/makefiles/defs.make	Mon May 21 09:46:02 2012 +0200
+++ b/make/windows/makefiles/defs.make	Thu May 24 18:39:44 2012 -0700
@@ -145,7 +145,12 @@
 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
   # Disable ZIP_DEBUGINFO_FILES by default because various tests are
   # failing in nightly when the debug info files are ZIP'ed.
-  ZIP_DEBUGINFO_FILES ?= 0
+  #ZIP_DEBUGINFO_FILES ?= 0
+  # The above conditional setting logic is unreliable on Windows for
+  # unknown reasons. We force ZIP_DEBUGINFO_FILES to be disabled on
+  # Windows until we figure out why the various tests are failing
+  # AND why the conditional setting logic is unreliable.
+  ZIP_DEBUGINFO_FILES=0
 else
   ZIP_DEBUGINFO_FILES=0
 endif
--- a/src/cpu/zero/vm/cppInterpreter_zero.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/cpu/zero/vm/cppInterpreter_zero.cpp	Thu May 24 18:39:44 2012 -0700
@@ -1026,6 +1026,16 @@
         java_lang_invoke_AdapterMethodHandle::vmargslot(method_handle);
       oop arg = VMSLOTS_OBJECT(arg_slot);
       jvalue arg_value;
+      if (arg == NULL) {
+        // queue a nullpointer exception for the caller
+        stack->set_sp(calculate_unwind_sp(stack, method_handle));
+        CALL_VM_NOCHECK_NOFIX(
+          throw_exception(
+            thread, vmSymbols::java_lang_NullPointerException()));
+        // NB all oops trashed!
+        assert(HAS_PENDING_EXCEPTION, "should do");
+        return;
+      }
       BasicType arg_type = java_lang_boxing_object::get_value(arg, &arg_value);
       if (arg_type == T_LONG || arg_type == T_DOUBLE) {
         intptr_t *unwind_sp = calculate_unwind_sp(stack, method_handle);
@@ -1112,6 +1122,15 @@
       case T_SHORT:
         return;
       }
+      // INT results sometimes need narrowing
+    case T_BOOLEAN:
+    case T_CHAR:
+    case T_BYTE:
+    case T_SHORT:
+      switch (src_rtype) {
+      case T_INT:
+        return;
+      }
     }
 
     tty->print_cr("unhandled conversion:");
--- a/src/os/bsd/vm/os_bsd.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/os/bsd/vm/os_bsd.cpp	Thu May 24 18:39:44 2012 -0700
@@ -2340,93 +2340,21 @@
 #endif
 }
 
+void os::print_os_info_brief(outputStream* st) {
+  st->print("Bsd");
+
+  os::Posix::print_uname_info(st);
+}
 
 void os::print_os_info(outputStream* st) {
   st->print("OS:");
-
-  // Try to identify popular distros.
-  // Most Bsd distributions have /etc/XXX-release file, which contains
-  // the OS version string. Some have more than one /etc/XXX-release file
-  // (e.g. Mandrake has both /etc/mandrake-release and /etc/redhat-release.),
-  // so the order is important.
-  if (!_print_ascii_file("/etc/mandrake-release", st) &&
-      !_print_ascii_file("/etc/sun-release", st) &&
-      !_print_ascii_file("/etc/redhat-release", st) &&
-      !_print_ascii_file("/etc/SuSE-release", st) &&
-      !_print_ascii_file("/etc/turbobsd-release", st) &&
-      !_print_ascii_file("/etc/gentoo-release", st) &&
-      !_print_ascii_file("/etc/debian_version", st) &&
-      !_print_ascii_file("/etc/ltib-release", st) &&
-      !_print_ascii_file("/etc/angstrom-version", st)) {
-      st->print("Bsd");
-  }
-  st->cr();
-
-  // kernel
-  st->print("uname:");
-  struct utsname name;
-  uname(&name);
-  st->print(name.sysname); st->print(" ");
-  st->print(name.release); st->print(" ");
-  st->print(name.version); st->print(" ");
-  st->print(name.machine);
-  st->cr();
-
-#ifndef _ALLBSD_SOURCE
-  // Print warning if unsafe chroot environment detected
-  if (unsafe_chroot_detected) {
-    st->print("WARNING!! ");
-    st->print_cr(unstable_chroot_error);
-  }
-
-  // libc, pthread
-  st->print("libc:");
-  st->print(os::Bsd::glibc_version()); st->print(" ");
-  st->print(os::Bsd::libpthread_version()); st->print(" ");
-  if (os::Bsd::is_BsdThreads()) {
-     st->print("(%s stack)", os::Bsd::is_floating_stack() ? "floating" : "fixed");
-  }
-  st->cr();
-#endif
-
-  // rlimit
-  st->print("rlimit:");
-  struct rlimit rlim;
-
-  st->print(" STACK ");
-  getrlimit(RLIMIT_STACK, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", CORE ");
-  getrlimit(RLIMIT_CORE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", NPROC ");
-  getrlimit(RLIMIT_NPROC, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%d", rlim.rlim_cur);
-
-  st->print(", NOFILE ");
-  getrlimit(RLIMIT_NOFILE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%d", rlim.rlim_cur);
-
-#ifndef _ALLBSD_SOURCE
-  st->print(", AS ");
-  getrlimit(RLIMIT_AS, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-  st->cr();
-
-  // load average
-  st->print("load average:");
-  double loadavg[3];
-  os::loadavg(loadavg, 3);
-  st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
-  st->cr();
-#endif
+  st->print("Bsd");
+
+  os::Posix::print_uname_info(st);
+
+  os::Posix::print_rlimit_info(st);
+
+  os::Posix::print_load_average(st);
 }
 
 void os::pd_print_cpu_info(outputStream* st) {
--- a/src/os/linux/vm/os_linux.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/os/linux/vm/os_linux.cpp	Thu May 24 18:39:44 2012 -0700
@@ -2020,15 +2020,43 @@
    }
 }
 
+void os::print_os_info_brief(outputStream* st) {
+  os::Linux::print_distro_info(st);
+
+  os::Posix::print_uname_info(st);
+
+  os::Linux::print_libversion_info(st);
+
+}
 
 void os::print_os_info(outputStream* st) {
   st->print("OS:");
 
-  // Try to identify popular distros.
-  // Most Linux distributions have /etc/XXX-release file, which contains
-  // the OS version string. Some have more than one /etc/XXX-release file
-  // (e.g. Mandrake has both /etc/mandrake-release and /etc/redhat-release.),
-  // so the order is important.
+  os::Linux::print_distro_info(st);
+
+  os::Posix::print_uname_info(st);
+
+  // Print warning if unsafe chroot environment detected
+  if (unsafe_chroot_detected) {
+    st->print("WARNING!! ");
+    st->print_cr(unstable_chroot_error);
+  }
+
+  os::Linux::print_libversion_info(st);
+
+  os::Posix::print_rlimit_info(st);
+
+  os::Posix::print_load_average(st);
+
+  os::Linux::print_full_memory_info(st);
+}
+
+// Try to identify popular distros.
+// Most Linux distributions have /etc/XXX-release file, which contains
+// the OS version string. Some have more than one /etc/XXX-release file
+// (e.g. Mandrake has both /etc/mandrake-release and /etc/redhat-release.),
+// so the order is important.
+void os::Linux::print_distro_info(outputStream* st) {
   if (!_print_ascii_file("/etc/mandrake-release", st) &&
       !_print_ascii_file("/etc/sun-release", st) &&
       !_print_ascii_file("/etc/redhat-release", st) &&
@@ -2041,23 +2069,9 @@
       st->print("Linux");
   }
   st->cr();
-
-  // kernel
-  st->print("uname:");
-  struct utsname name;
-  uname(&name);
-  st->print(name.sysname); st->print(" ");
-  st->print(name.release); st->print(" ");
-  st->print(name.version); st->print(" ");
-  st->print(name.machine);
-  st->cr();
-
-  // Print warning if unsafe chroot environment detected
-  if (unsafe_chroot_detected) {
-    st->print("WARNING!! ");
-    st->print_cr(unstable_chroot_error);
-  }
-
+}
+
+void os::Linux::print_libversion_info(outputStream* st) {
   // libc, pthread
   st->print("libc:");
   st->print(os::Linux::glibc_version()); st->print(" ");
@@ -2066,56 +2080,12 @@
      st->print("(%s stack)", os::Linux::is_floating_stack() ? "floating" : "fixed");
   }
   st->cr();
-
-  // rlimit
-  st->print("rlimit:");
-  struct rlimit rlim;
-
-  st->print(" STACK ");
-  getrlimit(RLIMIT_STACK, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", CORE ");
-  getrlimit(RLIMIT_CORE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", NPROC ");
-  getrlimit(RLIMIT_NPROC, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%d", rlim.rlim_cur);
-
-  st->print(", NOFILE ");
-  getrlimit(RLIMIT_NOFILE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%d", rlim.rlim_cur);
-
-  st->print(", AS ");
-  getrlimit(RLIMIT_AS, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-  st->cr();
-
-  // load average
-  st->print("load average:");
-  double loadavg[3];
-  os::loadavg(loadavg, 3);
-  st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
-  st->cr();
-
-  // meminfo
-  st->print("\n/proc/meminfo:\n");
-  _print_ascii_file("/proc/meminfo", st);
-  st->cr();
-}
-
-void os::pd_print_cpu_info(outputStream* st) {
-  st->print("\n/proc/cpuinfo:\n");
-  if (!_print_ascii_file("/proc/cpuinfo", st)) {
-    st->print("  <Not Available>");
-  }
-  st->cr();
+}
+
+void os::Linux::print_full_memory_info(outputStream* st) {
+   st->print("\n/proc/meminfo:\n");
+   _print_ascii_file("/proc/meminfo", st);
+   st->cr();
 }
 
 void os::print_memory_info(outputStream* st) {
@@ -2138,6 +2108,14 @@
   st->cr();
 }
 
+void os::pd_print_cpu_info(outputStream* st) {
+  st->print("\n/proc/cpuinfo:\n");
+  if (!_print_ascii_file("/proc/cpuinfo", st)) {
+    st->print("  <Not Available>");
+  }
+  st->cr();
+}
+
 // Taken from /usr/include/bits/siginfo.h  Supposed to be architecture specific
 // but they're the same for all the linux arch that we support
 // and they're the same for solaris but there's no common place to put this.
--- a/src/os/linux/vm/os_linux.hpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/os/linux/vm/os_linux.hpp	Thu May 24 18:39:44 2012 -0700
@@ -89,6 +89,10 @@
 
   static bool hugetlbfs_sanity_check(bool warn, size_t page_size);
 
+  static void print_full_memory_info(outputStream* st);
+  static void print_distro_info(outputStream* st);
+  static void print_libversion_info(outputStream* st);
+
  public:
   static void init_thread_fpu_state();
   static int  get_fpu_control_word();
--- a/src/os/posix/vm/os_posix.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/os/posix/vm/os_posix.cpp	Thu May 24 18:39:44 2012 -0700
@@ -28,6 +28,8 @@
 
 #include <unistd.h>
 #include <sys/resource.h>
+#include <sys/utsname.h>
+
 
 // Check core dump limit and report possible place where core can be found
 void os::check_or_create_dump(void* exceptionRecord, void* contextRecord, char* buffer, size_t bufferSize) {
@@ -72,3 +74,59 @@
   // don't do anything on posix platforms
   return;
 }
+
+void os::Posix::print_load_average(outputStream* st) {
+  st->print("load average:");
+  double loadavg[3];
+  os::loadavg(loadavg, 3);
+  st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
+  st->cr();
+}
+
+void os::Posix::print_rlimit_info(outputStream* st) {
+  st->print("rlimit:");
+  struct rlimit rlim;
+
+  st->print(" STACK ");
+  getrlimit(RLIMIT_STACK, &rlim);
+  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
+  else st->print("%uk", rlim.rlim_cur >> 10);
+
+  st->print(", CORE ");
+  getrlimit(RLIMIT_CORE, &rlim);
+  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
+  else st->print("%uk", rlim.rlim_cur >> 10);
+
+  //Isn't there on solaris
+#ifndef TARGET_OS_FAMILY_solaris
+  st->print(", NPROC ");
+  getrlimit(RLIMIT_NPROC, &rlim);
+  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
+  else st->print("%d", rlim.rlim_cur);
+#endif
+
+  st->print(", NOFILE ");
+  getrlimit(RLIMIT_NOFILE, &rlim);
+  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
+  else st->print("%d", rlim.rlim_cur);
+
+  st->print(", AS ");
+  getrlimit(RLIMIT_AS, &rlim);
+  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
+  else st->print("%uk", rlim.rlim_cur >> 10);
+  st->cr();
+}
+
+void os::Posix::print_uname_info(outputStream* st) {
+  // kernel
+  st->print("uname:");
+  struct utsname name;
+  uname(&name);
+  st->print(name.sysname); st->print(" ");
+  st->print(name.release); st->print(" ");
+  st->print(name.version); st->print(" ");
+  st->print(name.machine);
+  st->cr();
+}
+
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os/posix/vm/os_posix.hpp	Thu May 24 18:39:44 2012 -0700
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 1999, 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
+ * 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.
+ *
+ */
+
+#ifndef OS_POSIX_VM_OS_POSIX_HPP
+#define OS_POSIX_VM_OS_POSIX_HPP
+class Posix {
+  friend class os;
+
+protected:
+  static void print_distro_info(outputStream* st);
+  static void print_rlimit_info(outputStream* st);
+  static void print_uname_info(outputStream* st);
+  static void print_libversion_info(outputStream* st);
+  static void print_load_average(outputStream* st);
+
+
+};
+
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os/solaris/add_gnu_debuglink/add_gnu_debuglink.c	Thu May 24 18:39:44 2012 -0700
@@ -0,0 +1,285 @@
+/*
+ * 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.
+ *
+ */
+
+/*
+ * Name:        add_gnu_debuglink.c
+ *
+ * Description: Add a ".gnu_debuglink" section that refers to the specified
+ *     debug_info_path to the specified ELF object.
+ *
+ *     This program is adapted from the example program shown on the
+ *     elf(3elf) man page and from code from the Solaris compiler
+ *     driver.
+ */
+
+/*
+ * needed to define SHF_EXCLUDE
+ */
+#define ELF_TARGET_ALL
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <libelf.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static void failure(void);
+static unsigned int gnu_debuglink_crc32(unsigned int crc, unsigned char *buf,
+                                        size_t len);
+
+void
+main(int argc, char ** argv) {
+                                 /* new ELF section name */
+    static char SEC_NAME[] = ".gnu_debuglink";
+
+    unsigned char buffer[8 * 1024];  /* I/O buffer */
+    int           buffer_len;        /* buffer length */
+    char *        debug_info_path;   /* debug info path */
+    void *        ehdr;              /* ELF header */
+    Elf *         elf;               /* ELF descriptor */
+    char *        elf_ident;         /* ELF identity string */
+    char *        elf_obj;           /* elf_obj file */
+    int           fd;                /* descriptor for files */
+    unsigned int  file_crc = 0;      /* CRC for debug info file */
+    int           is_elfclass64;     /* is an ELFCLASS64 file? */
+    Elf_Data *    link_dat;          /* ELF data for new debug info link */
+    Elf_Data *    name_dat;          /* ELF data for new section name */
+    Elf_Scn *     new_scn;           /* new ELF section descriptor */
+    void *        new_shdr;          /* new ELF section header */
+    Elf_Scn *     scn;               /* ELF section descriptor */
+    void *        shdr;              /* ELF section header */
+
+    if (argc != 3) {
+        (void) fprintf(stderr, "Usage: %s debug_info_path elf_obj\n", argv[0]);
+        exit(2);
+    }
+
+    debug_info_path = argv[1];  /* save for later */
+    if ((fd = open(debug_info_path, O_RDONLY)) == -1) {
+        (void) fprintf(stderr, "%s: cannot open file.\n", debug_info_path);
+        exit(3);
+    }
+
+    (void) printf("Computing CRC for '%s'\n", debug_info_path);
+    (void) fflush(stdout);
+    /* compute CRC for the debug info file */
+    for (;;) {
+        int len = read(fd, buffer, sizeof buffer);
+        if (len <= 0) {
+            break;
+        }
+        file_crc = gnu_debuglink_crc32(file_crc, buffer, len);
+    }
+    (void) close(fd);
+
+    /* open the elf_obj */
+    elf_obj = argv[2];
+    if ((fd = open(elf_obj, O_RDWR)) == -1) {
+        (void) fprintf(stderr, "%s: cannot open file.\n", elf_obj);
+        exit(4);
+    }
+
+    (void) printf("Opening '%s' for update\n", elf_obj);
+    (void) fflush(stdout);
+    (void) elf_version(EV_CURRENT);  /* coordinate ELF versions */
+
+    /* obtain the ELF descriptors from the input file */
+    if ((elf = elf_begin(fd, ELF_C_RDWR, NULL)) == NULL) {
+        failure();
+    }
+
+    /* determine if ELFCLASS64 or not? */
+    elf_ident = elf_getident(elf, NULL);
+    is_elfclass64 = (elf_ident[EI_CLASS] == ELFCLASS64);
+
+    /* get the ELF header */
+    if (is_elfclass64) {
+        ehdr = elf64_getehdr(elf);
+    } else {
+        ehdr = elf32_getehdr(elf);
+    }
+    if (ehdr == NULL) {
+        failure();
+    }
+
+    /* get the ELF section descriptor */
+    if (is_elfclass64) {
+        scn = elf_getscn(elf, ((Elf64_Ehdr *) ehdr)->e_shstrndx);
+    } else {
+        scn = elf_getscn(elf, ((Elf32_Ehdr *) ehdr)->e_shstrndx);
+    }
+    if (scn == NULL) {
+        failure();
+    }
+
+    /* get the section header */
+    if (is_elfclass64) {
+        shdr = elf64_getshdr(scn);
+    } else {
+        shdr = elf32_getshdr(scn);
+    }
+    if (shdr == NULL) {
+        failure();
+    }
+
+    (void) printf("Adding ELF data for new section name\n");
+    (void) fflush(stdout);
+    name_dat = elf_newdata(scn);
+    name_dat->d_buf = (void *) SEC_NAME;
+    if (is_elfclass64) {
+        name_dat->d_off = ((Elf64_Shdr *) shdr)->sh_size + 1;
+    } else {
+        name_dat->d_off = ((Elf32_Shdr *) shdr)->sh_size + 1;
+    }
+    name_dat->d_align = 1;
+    name_dat->d_size = strlen(SEC_NAME) + 1;
+
+    new_scn = elf_newscn(elf);
+
+    if (is_elfclass64) {
+        new_shdr = elf64_getshdr(new_scn);
+        ((Elf64_Shdr *) new_shdr)->sh_flags = SHF_EXCLUDE;
+        ((Elf64_Shdr *) new_shdr)->sh_type = SHT_PROGBITS;
+        ((Elf64_Shdr *) new_shdr)->sh_name = ((Elf64_Shdr *) shdr)->sh_size;
+        ((Elf64_Shdr *) new_shdr)->sh_addralign = 1;
+        ((Elf64_Shdr *) shdr)->sh_size += (strlen(SEC_NAME) + 1);
+    } else {
+        new_shdr = elf32_getshdr(new_scn);
+        ((Elf32_Shdr *) new_shdr)->sh_flags = SHF_EXCLUDE;
+        ((Elf32_Shdr *) new_shdr)->sh_type = SHT_PROGBITS;
+        ((Elf32_Shdr *) new_shdr)->sh_name = ((Elf32_Shdr *) shdr)->sh_size;
+        ((Elf32_Shdr *) new_shdr)->sh_addralign = 1;
+        ((Elf32_Shdr *) shdr)->sh_size += (strlen(SEC_NAME) + 1);
+    }
+
+    (void) printf("Adding ELF data for debug_info_path value\n");
+    (void) fflush(stdout);
+    (void) memset(buffer, 0, sizeof buffer);
+    buffer_len = strlen(debug_info_path) + 1;  /* +1 for NUL */
+    (void) strncpy((char *) buffer, debug_info_path, buffer_len);
+    if (buffer_len % 4 != 0) {
+        /* not on a 4 byte boundary so pad to the next one */
+        buffer_len += (4 - buffer_len % 4);
+    }
+    /* save the CRC */
+    (void) memcpy(&buffer[buffer_len], &file_crc, sizeof file_crc);
+    buffer_len += sizeof file_crc;
+
+    link_dat = elf_newdata(new_scn);
+    link_dat->d_type = ELF_T_BYTE;
+    link_dat->d_size = buffer_len;
+    link_dat->d_buf = buffer;
+    link_dat->d_align = 1;
+
+    (void) printf("Saving updates to '%s'\n", elf_obj);
+    (void) fflush(stdout);
+    (void) elf_update(elf, ELF_C_NULL);   /* recalc ELF memory structures */
+    (void) elf_update(elf, ELF_C_WRITE);  /* write out changes to ELF obj */
+    (void) elf_end(elf);                  /* done with ELF obj */
+    (void) close(fd);
+
+    (void) printf("Done updating '%s'\n", elf_obj);
+    (void) fflush(stdout);
+    exit(0);
+}  /* end main */
+
+
+static void
+failure() {
+    (void) fprintf(stderr, "%s\n", elf_errmsg(elf_errno()));
+    exit(5);
+}
+
+
+/*
+ * The CRC used in gnu_debuglink, retrieved from
+ * http://sourceware.org/gdb/current/onlinedocs/gdb/Separate-Debug-Files.html#Separate-Debug-Files.
+ */
+
+static unsigned int
+gnu_debuglink_crc32(unsigned int crc, unsigned char *buf, size_t len) {
+    static const unsigned int crc32_table[256] = {
+        0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
+        0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
+        0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
+        0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
+        0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
+        0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
+        0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
+        0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
+        0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
+        0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
+        0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
+        0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+        0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
+        0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
+        0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
+        0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
+        0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
+        0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+        0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
+        0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
+        0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
+        0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
+        0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
+        0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+        0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
+        0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
+        0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
+        0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
+        0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
+        0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+        0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
+        0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
+        0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
+        0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
+        0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
+        0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+        0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
+        0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
+        0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
+        0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
+        0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
+        0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+        0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
+        0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
+        0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
+        0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
+        0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
+        0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+        0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
+        0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
+        0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
+        0x2d02ef8d
+    };
+
+    unsigned char *end;
+
+    crc = ~crc & 0xffffffff;
+    for (end = buf + len; buf < end; ++buf) {
+        crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
+    }
+    return ~crc & 0xffffffff;
+}
--- a/src/os/solaris/vm/os_solaris.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/os/solaris/vm/os_solaris.cpp	Thu May 24 18:39:44 2012 -0700
@@ -2242,61 +2242,44 @@
   return true;
 }
 
+void os::print_os_info_brief(outputStream* st) {
+  os::Solaris::print_distro_info(st);
+
+  os::Posix::print_uname_info(st);
+
+  os::Solaris::print_libversion_info(st);
+}
+
 void os::print_os_info(outputStream* st) {
   st->print("OS:");
 
+  os::Solaris::print_distro_info(st);
+
+  os::Posix::print_uname_info(st);
+
+  os::Solaris::print_libversion_info(st);
+
+  os::Posix::print_rlimit_info(st);
+
+  os::Posix::print_load_average(st);
+}
+
+void os::Solaris::print_distro_info(outputStream* st) {
   if (!_print_ascii_file("/etc/release", st)) {
-    st->print("Solaris");
+      st->print("Solaris");
+    }
+    st->cr();
+}
+
+void os::Solaris::print_libversion_info(outputStream* st) {
+  if (os::Solaris::T2_libthread()) {
+    st->print("  (T2 libthread)");
+  }
+  else {
+    st->print("  (T1 libthread)");
   }
   st->cr();
-
-  // kernel
-  st->print("uname:");
-  struct utsname name;
-  uname(&name);
-  st->print(name.sysname); st->print(" ");
-  st->print(name.release); st->print(" ");
-  st->print(name.version); st->print(" ");
-  st->print(name.machine);
-
-  // libthread
-  if (os::Solaris::T2_libthread()) st->print("  (T2 libthread)");
-  else st->print("  (T1 libthread)");
-  st->cr();
-
-  // rlimit
-  st->print("rlimit:");
-  struct rlimit rlim;
-
-  st->print(" STACK ");
-  getrlimit(RLIMIT_STACK, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", CORE ");
-  getrlimit(RLIMIT_CORE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", NOFILE ");
-  getrlimit(RLIMIT_NOFILE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%d", rlim.rlim_cur);
-
-  st->print(", AS ");
-  getrlimit(RLIMIT_AS, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-  st->cr();
-
-  // load average
-  st->print("load average:");
-  double loadavg[3];
-  os::loadavg(loadavg, 3);
-  st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
-  st->cr();
-}
-
+}
 
 static bool check_addr0(outputStream* st) {
   jboolean status = false;
--- a/src/os/solaris/vm/os_solaris.hpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/os/solaris/vm/os_solaris.hpp	Thu May 24 18:39:44 2012 -0700
@@ -180,6 +180,9 @@
   // proc_t structure (note that this is a system struct).
   static address _main_stack_base;
 
+  static void print_distro_info(outputStream* st);
+  static void print_libversion_info(outputStream* st);
+
  public:
   static void libthread_init();
   static void synchronization_init();
--- a/src/os/windows/vm/os_windows.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/os/windows/vm/os_windows.cpp	Thu May 24 18:39:44 2012 -0700
@@ -1562,9 +1562,17 @@
    enumerate_modules(pid, _print_module, (void *)st);
 }
 
+void os::print_os_info_brief(outputStream* st) {
+  os::print_os_info(st);
+}
+
 void os::print_os_info(outputStream* st) {
   st->print("OS:");
 
+  os::win32::print_windows_version(st);
+}
+
+void os::win32::print_windows_version(outputStream* st) {
   OSVERSIONINFOEX osvi;
   ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
   osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
--- a/src/os/windows/vm/os_windows.hpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/os/windows/vm/os_windows.hpp	Thu May 24 18:39:44 2012 -0700
@@ -27,6 +27,7 @@
 // Win32_OS defines the interface to windows operating systems
 
 class win32 {
+  friend class os;
 
  protected:
   static int    _vm_page_size;
@@ -39,6 +40,8 @@
   static bool   _is_windows_2003;
   static bool   _is_windows_server;
 
+  static void print_windows_version(outputStream* st);
+
  public:
   // Windows-specific interface:
   static void   initialize_system_info();
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Thu May 24 18:39:44 2012 -0700
@@ -6332,10 +6332,10 @@
   )
 }
 
-void CMSCollector::do_CMS_operation(CMS_op_type op) {
+void CMSCollector::do_CMS_operation(CMS_op_type op, GCCause::Cause gc_cause) {
   gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
   TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
-  TraceTime t("GC", PrintGC, !PrintGCDetails, gclog_or_tty);
+  TraceTime t(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, gclog_or_tty);
   TraceCollectorStats tcs(counters());
 
   switch (op) {
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp	Thu May 24 18:39:44 2012 -0700
@@ -717,7 +717,7 @@
     CMS_op_checkpointRootsFinal
   };
 
-  void do_CMS_operation(CMS_op_type op);
+  void do_CMS_operation(CMS_op_type op, GCCause::Cause gc_cause);
   bool stop_world_and_do(CMS_op_type op);
 
   OopTaskQueueSet* task_queues() { return _task_queues; }
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/vmCMSOperations.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/vmCMSOperations.cpp	Thu May 24 18:39:44 2012 -0700
@@ -146,7 +146,7 @@
   VM_CMS_Operation::verify_before_gc();
 
   IsGCActiveMark x; // stop-world GC active
-  _collector->do_CMS_operation(CMSCollector::CMS_op_checkpointRootsInitial);
+  _collector->do_CMS_operation(CMSCollector::CMS_op_checkpointRootsInitial, gch->gc_cause());
 
   VM_CMS_Operation::verify_after_gc();
 #ifndef USDT2
@@ -178,7 +178,7 @@
   VM_CMS_Operation::verify_before_gc();
 
   IsGCActiveMark x; // stop-world GC active
-  _collector->do_CMS_operation(CMSCollector::CMS_op_checkpointRootsFinal);
+  _collector->do_CMS_operation(CMSCollector::CMS_op_checkpointRootsFinal, gch->gc_cause());
 
   VM_CMS_Operation::verify_after_gc();
 #ifndef USDT2
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Thu May 24 18:39:44 2012 -0700
@@ -1252,10 +1252,7 @@
     gclog_or_tty->date_stamp(G1Log::fine() && PrintGCDateStamps);
     TraceCPUTime tcpu(G1Log::finer(), true, gclog_or_tty);
 
-    char verbose_str[128];
-    sprintf(verbose_str, "Full GC (%s)", GCCause::to_string(gc_cause()));
-    TraceTime t(verbose_str, G1Log::fine(), true, gclog_or_tty);
-
+    TraceTime t(GCCauseString("Full GC", gc_cause()), G1Log::fine(), true, gclog_or_tty);
     TraceCollectorStats tcs(g1mm()->full_collection_counters());
     TraceMemoryManagerStats tms(true /* fullGC */, gc_cause());
 
@@ -3600,12 +3597,10 @@
     gclog_or_tty->date_stamp(G1Log::fine() && PrintGCDateStamps);
     TraceCPUTime tcpu(G1Log::finer(), true, gclog_or_tty);
 
-    char verbose_str[128];
-    sprintf(verbose_str, "GC pause (%s) (%s)%s",
-      GCCause::to_string(gc_cause()),
-      g1_policy()->gcs_are_young() ? "young" : "mixed",
-      g1_policy()->during_initial_mark_pause() ? " (initial-mark)" : "");
-    TraceTime t(verbose_str, G1Log::fine() && !G1Log::finer(), true, gclog_or_tty);
+    GCCauseString gc_cause_str = GCCauseString("GC pause", gc_cause())
+      .append(g1_policy()->gcs_are_young() ? " (young)" : " (mixed)")
+      .append(g1_policy()->during_initial_mark_pause() ? " (initial-mark)" : "");
+    TraceTime t(gc_cause_str, G1Log::fine() && !G1Log::finer(), true, gclog_or_tty);
 
     TraceCollectorStats tcs(g1mm()->incremental_collection_counters());
     TraceMemoryManagerStats tms(false /* fullGC */, gc_cause());
@@ -5502,7 +5497,7 @@
   if (evacuation_failed()) {
     remove_self_forwarding_pointers();
     if (G1Log::finer()) {
-      gclog_or_tty->print(" (to-space overflow)");
+      gclog_or_tty->print(" (to-space exhausted)");
     } else if (G1Log::fine()) {
       gclog_or_tty->print("--");
     }
--- a/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	Thu May 24 18:39:44 2012 -0700
@@ -886,9 +886,8 @@
                                                       size_t start_used) {
   if (G1Log::finer()) {
     gclog_or_tty->stamp(PrintGCTimeStamps);
-    gclog_or_tty->print("[GC pause (%s) (%s)",
-      GCCause::to_string(_g1->gc_cause()),
-      gcs_are_young() ? "young" : "mixed");
+    gclog_or_tty->print("[%s", (const char*)GCCauseString("GC pause", _g1->gc_cause())
+      .append(gcs_are_young() ? " (young)" : " (mixed)"));
   }
 
   // We only need to do this here as the policy will only be applied
@@ -1010,7 +1009,8 @@
 
 void G1CollectorPolicy::print_par_stats(int level,
                                         const char* str,
-                                        double* data) {
+                                        double* data,
+                                        bool showDecimals) {
   double min = data[0], max = data[0];
   double total = 0.0;
   LineBuffer buf(level);
@@ -1023,7 +1023,11 @@
       max = val;
     total += val;
     if (G1Log::finest()) {
-      buf.append("  %.1lf", val);
+      if (showDecimals) {
+        buf.append("  %.1lf", val);
+      } else {
+        buf.append("  %d", (int)val);
+      }
     }
   }
 
@@ -1031,36 +1035,26 @@
     buf.append_and_print_cr("");
   }
   double avg = total / (double) no_of_gc_threads();
-  buf.append_and_print_cr(" Avg: %.1lf Min: %.1lf Max: %.1lf Diff: %.1lf]",
-    avg, min, max, max - min);
-}
-
-void G1CollectorPolicy::print_par_sizes(int level,
-                                        const char* str,
-                                        double* data) {
-  double min = data[0], max = data[0];
-  double total = 0.0;
-  LineBuffer buf(level);
-  buf.append("[%s :", str);
-  for (uint i = 0; i < no_of_gc_threads(); ++i) {
-    double val = data[i];
-    if (val < min)
-      min = val;
-    if (val > max)
-      max = val;
-    total += val;
-    buf.append(" %d", (int) val);
+  if (showDecimals) {
+    buf.append_and_print_cr(" Min: %.1lf, Avg: %.1lf, Max: %.1lf, Diff: %.1lf, Sum: %.1lf]",
+      min, avg, max, max - min, total);
+  } else {
+    buf.append_and_print_cr(" Min: %d, Avg: %d, Max: %d, Diff: %d, Sum: %d]",
+      (int)min, (int)avg, (int)max, (int)max - (int)min, (int)total);
   }
-  buf.append_and_print_cr("");
-  double avg = total / (double) no_of_gc_threads();
-  buf.append_and_print_cr(" Sum: %d, Avg: %d, Min: %d, Max: %d, Diff: %d]",
-    (int)total, (int)avg, (int)min, (int)max, (int)max - (int)min);
 }
 
 void G1CollectorPolicy::print_stats(int level,
                                     const char* str,
                                     double value) {
-  LineBuffer(level).append_and_print_cr("[%s: %5.1lf ms]", str, value);
+  LineBuffer(level).append_and_print_cr("[%s: %.1lf ms]", str, value);
+}
+
+void G1CollectorPolicy::print_stats(int level,
+                                    const char* str,
+                                    double value,
+                                    int workers) {
+  LineBuffer(level).append_and_print_cr("[%s: %.1lf ms, GC Workers: %d]", str, value, workers);
 }
 
 void G1CollectorPolicy::print_stats(int level,
@@ -1373,7 +1367,7 @@
       print_stats(1, "Root Region Scan Waiting", _root_region_scan_wait_time_ms);
     }
     if (parallel) {
-      print_stats(1, "Parallel Time", _cur_collection_par_time_ms);
+      print_stats(1, "Parallel Time", _cur_collection_par_time_ms, no_of_gc_threads);
       print_par_stats(2, "GC Worker Start", _par_last_gc_worker_start_times_ms);
       print_par_stats(2, "Ext Root Scanning", _par_last_ext_root_scan_times_ms);
       if (print_marking_info) {
@@ -1381,13 +1375,15 @@
       }
       print_par_stats(2, "Update RS", _par_last_update_rs_times_ms);
       if (G1Log::finest()) {
-        print_par_sizes(3, "Processed Buffers", _par_last_update_rs_processed_buffers);
+        print_par_stats(3, "Processed Buffers", _par_last_update_rs_processed_buffers,
+          false /* showDecimals */);
       }
       print_par_stats(2, "Scan RS", _par_last_scan_rs_times_ms);
       print_par_stats(2, "Object Copy", _par_last_obj_copy_times_ms);
       print_par_stats(2, "Termination", _par_last_termination_times_ms);
       if (G1Log::finest()) {
-        print_par_sizes(3, "Termination Attempts", _par_last_termination_attempts);
+        print_par_stats(3, "Termination Attempts", _par_last_termination_attempts,
+          false /* showDecimals */);
       }
 
       for (int i = 0; i < _parallel_gc_threads; i++) {
@@ -1601,9 +1597,9 @@
   _collectionSetChooser->verify();
 }
 
-#define EXT_SIZE_FORMAT "%d%s"
+#define EXT_SIZE_FORMAT "%.1f%s"
 #define EXT_SIZE_PARAMS(bytes)                                  \
-  byte_size_in_proper_unit((bytes)),                            \
+  byte_size_in_proper_unit((double)(bytes)),                    \
   proper_unit_for_byte_size((bytes))
 
 void G1CollectorPolicy::print_heap_transition() {
--- a/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp	Thu May 24 18:39:44 2012 -0700
@@ -552,10 +552,10 @@
 
 private:
   void print_stats(int level, const char* str, double value);
+  void print_stats(int level, const char* str, double value, int workers);
   void print_stats(int level, const char* str, int value);
 
-  void print_par_stats(int level, const char* str, double* data);
-  void print_par_sizes(int level, const char* str, double* data);
+  void print_par_stats(int level, const char* str, double* data, bool showDecimals = true);
 
   void check_other_times(int level,
                          NumberSeq* other_times_ms,
--- a/src/share/vm/gc_implementation/g1/vm_operations_g1.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/g1/vm_operations_g1.cpp	Thu May 24 18:39:44 2012 -0700
@@ -42,6 +42,7 @@
 
 void VM_G1CollectForAllocation::doit() {
   G1CollectedHeap* g1h = G1CollectedHeap::heap();
+  GCCauseSetter x(g1h, _gc_cause);
   _result = g1h->satisfy_failed_allocation(_word_size, &_pause_succeeded);
   assert(_result == NULL || _pause_succeeded,
          "if we get back a result, the pause should have succeeded");
--- a/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	Thu May 24 18:39:44 2012 -0700
@@ -916,7 +916,7 @@
     size_policy->minor_collection_begin();
   }
 
-  TraceTime t1("GC", PrintGC && !PrintGCDetails, true, gclog_or_tty);
+  TraceTime t1(GCCauseString("GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, gclog_or_tty);
   // Capture heap used before collection (for printing).
   size_t gch_prev_used = gch->used();
 
--- a/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	Thu May 24 18:39:44 2012 -0700
@@ -160,16 +160,10 @@
 
   {
     HandleMark hm;
-    const bool is_system_gc = gc_cause == GCCause::_java_lang_system_gc;
-    // This is useful for debugging but don't change the output the
-    // the customer sees.
-    const char* gc_cause_str = "Full GC";
-    if (is_system_gc && PrintGCDetails) {
-      gc_cause_str = "Full GC (System)";
-    }
+
     gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
-    TraceTime t1(gc_cause_str, PrintGC, !PrintGCDetails, gclog_or_tty);
+    TraceTime t1(GCCauseString("Full GC", gc_cause), PrintGC, !PrintGCDetails, gclog_or_tty);
     TraceCollectorStats tcs(counters());
     TraceMemoryManagerStats tms(true /* Full GC */,gc_cause);
 
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Thu May 24 18:39:44 2012 -0700
@@ -2047,17 +2047,9 @@
     gc_task_manager()->task_idle_workers();
     heap->set_par_threads(gc_task_manager()->active_workers());
 
-    const bool is_system_gc = gc_cause == GCCause::_java_lang_system_gc;
-
-    // This is useful for debugging but don't change the output the
-    // the customer sees.
-    const char* gc_cause_str = "Full GC";
-    if (is_system_gc && PrintGCDetails) {
-      gc_cause_str = "Full GC (System)";
-    }
     gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
-    TraceTime t1(gc_cause_str, PrintGC, !PrintGCDetails, gclog_or_tty);
+    TraceTime t1(GCCauseString("Full GC", gc_cause), PrintGC, !PrintGCDetails, gclog_or_tty);
     TraceCollectorStats tcs(counters());
     TraceMemoryManagerStats tms(true /* Full GC */,gc_cause);
 
@@ -2090,7 +2082,8 @@
     }
 #endif  // #ifndef PRODUCT
 
-    bool max_on_system_gc = UseMaximumCompactionOnSystemGC && is_system_gc;
+    bool max_on_system_gc = UseMaximumCompactionOnSystemGC
+      && gc_cause == GCCause::_java_lang_system_gc;
     summary_phase(vmthread_cm, maximum_heap_compaction || max_on_system_gc);
 
     COMPILER2_PRESENT(assert(DerivedPointerTable::is_active(), "Sanity"));
--- a/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	Thu May 24 18:39:44 2012 -0700
@@ -325,7 +325,7 @@
 
     gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
-    TraceTime t1("GC", PrintGC, !PrintGCDetails, gclog_or_tty);
+    TraceTime t1(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, gclog_or_tty);
     TraceCollectorStats tcs(counters());
     TraceMemoryManagerStats tms(false /* not full GC */,gc_cause);
 
--- a/src/share/vm/gc_implementation/shared/gcUtil.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/shared/gcUtil.cpp	Thu May 24 18:39:44 2012 -0700
@@ -31,9 +31,15 @@
                                                         float average) {
   // We smooth the samples by not using weight() directly until we've
   // had enough data to make it meaningful. We'd like the first weight
-  // used to be 1, the second to be 1/2, etc until we have 100/weight
-  // samples.
-  unsigned count_weight = 100/count();
+  // used to be 1, the second to be 1/2, etc until we have
+  // OLD_THRESHOLD/weight samples.
+  unsigned count_weight = 0;
+
+  // Avoid division by zero if the counter wraps (7158457)
+  if (!is_old()) {
+    count_weight = OLD_THRESHOLD/count();
+  }
+
   unsigned adaptive_weight = (MAX2(weight(), count_weight));
 
   float new_avg = exp_avg(average, new_sample, adaptive_weight);
@@ -43,8 +49,6 @@
 
 void AdaptiveWeightedAverage::sample(float new_sample) {
   increment_count();
-  assert(count() != 0,
-         "Wraparound -- history would be incorrectly discarded");
 
   // Compute the new weighted average
   float new_avg = compute_adaptive_average(new_sample, average());
--- a/src/share/vm/gc_implementation/shared/gcUtil.hpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_implementation/shared/gcUtil.hpp	Thu May 24 18:39:44 2012 -0700
@@ -50,11 +50,20 @@
   unsigned         _weight;         // The weight used to smooth the averages
                                     //   A higher weight favors the most
                                     //   recent data.
+  bool             _is_old;         // Has enough historical data
+
+  const static unsigned OLD_THRESHOLD = 100;
 
  protected:
   float            _last_sample;    // The last value sampled.
 
-  void  increment_count()       { _sample_count++;       }
+  void  increment_count() {
+    _sample_count++;
+    if (!_is_old && _sample_count > OLD_THRESHOLD) {
+      _is_old = true;
+    }
+  }
+
   void  set_average(float avg)  { _average = avg;        }
 
   // Helper function, computes an adaptive weighted average
@@ -64,13 +73,15 @@
  public:
   // Input weight must be between 0 and 100
   AdaptiveWeightedAverage(unsigned weight, float avg = 0.0) :
-    _average(avg), _sample_count(0), _weight(weight), _last_sample(0.0) {
+    _average(avg), _sample_count(0), _weight(weight), _last_sample(0.0),
+    _is_old(false) {
   }
 
   void clear() {
     _average = 0;
     _sample_count = 0;
     _last_sample = 0;
+    _is_old = false;
   }
 
   // Useful for modifying static structures after startup.
@@ -84,7 +95,8 @@
   float    average() const       { return _average;       }
   unsigned weight()  const       { return _weight;        }
   unsigned count()   const       { return _sample_count;  }
-  float    last_sample() const   { return _last_sample; }
+  float    last_sample() const   { return _last_sample;   }
+  bool     is_old()  const       { return _is_old;        }
 
   // Update data with a new sample.
   void sample(float new_sample);
--- a/src/share/vm/gc_interface/gcCause.hpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/gc_interface/gcCause.hpp	Thu May 24 18:39:44 2012 -0700
@@ -88,4 +88,36 @@
   static const char* to_string(GCCause::Cause cause);
 };
 
+// Helper class for doing logging that includes the GC Cause
+// as a string.
+class GCCauseString : StackObj {
+ private:
+   static const int _length = 128;
+   char _buffer[_length];
+   int _position;
+
+ public:
+   GCCauseString(const char* prefix, GCCause::Cause cause) {
+     if (PrintGCCause) {
+      _position = jio_snprintf(_buffer, _length, "%s (%s)", prefix, GCCause::to_string(cause));
+     } else {
+      _position = jio_snprintf(_buffer, _length, "%s", prefix);
+     }
+     assert(_position >= 0 && _position <= _length,
+       err_msg("Need to increase the buffer size in GCCauseString? %d", _position));
+   }
+
+   GCCauseString& append(const char* str) {
+     int res = jio_snprintf(_buffer + _position, _length - _position, "%s", str);
+     _position += res;
+     assert(res >= 0 && _position <= _length,
+       err_msg("Need to increase the buffer size in GCCauseString? %d", res));
+     return *this;
+   }
+
+   operator const char*() {
+     return _buffer;
+   }
+};
+
 #endif // SHARE_VM_GC_INTERFACE_GCCAUSE_HPP
--- a/src/share/vm/memory/defNewGeneration.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/memory/defNewGeneration.cpp	Thu May 24 18:39:44 2012 -0700
@@ -548,7 +548,7 @@
 
   init_assuming_no_promotion_failure();
 
-  TraceTime t1("GC", PrintGC && !PrintGCDetails, true, gclog_or_tty);
+  TraceTime t1(GCCauseString("GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, gclog_or_tty);
   // Capture heap used before collection (for printing).
   size_t gch_prev_used = gch->used();
 
--- a/src/share/vm/memory/genCollectedHeap.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/memory/genCollectedHeap.cpp	Thu May 24 18:39:44 2012 -0700
@@ -480,26 +480,15 @@
   const size_t perm_prev_used = perm_gen()->used();
 
   print_heap_before_gc();
-  if (Verbose) {
-    gclog_or_tty->print_cr("GC Cause: %s", GCCause::to_string(gc_cause()));
-  }
 
   {
     FlagSetting fl(_is_gc_active, true);
 
     bool complete = full && (max_level == (n_gens()-1));
-    const char* gc_cause_str = "GC ";
-    if (complete) {
-      GCCause::Cause cause = gc_cause();
-      if (cause == GCCause::_java_lang_system_gc) {
-        gc_cause_str = "Full GC (System) ";
-      } else {
-        gc_cause_str = "Full GC ";
-      }
-    }
+    const char* gc_cause_prefix = complete ? "Full GC" : "GC";
     gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
-    TraceTime t(gc_cause_str, PrintGCDetails, false, gclog_or_tty);
+    TraceTime t(GCCauseString(gc_cause_prefix, gc_cause()), PrintGCDetails, false, gclog_or_tty);
 
     gc_prologue(complete);
     increment_total_collections(complete);
--- a/src/share/vm/memory/genMarkSweep.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/memory/genMarkSweep.cpp	Thu May 24 18:39:44 2012 -0700
@@ -76,7 +76,7 @@
   _ref_processor = rp;
   rp->setup_policy(clear_all_softrefs);
 
-  TraceTime t1("Full GC", PrintGC && !PrintGCDetails, true, gclog_or_tty);
+  TraceTime t1(GCCauseString("Full GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, gclog_or_tty);
 
   // When collecting the permanent generation methodOops may be moving,
   // so we either have to flush all bcp data or convert it into bci.
--- a/src/share/vm/runtime/arguments.cpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/runtime/arguments.cpp	Thu May 24 18:39:44 2012 -0700
@@ -3039,7 +3039,7 @@
     return result;
   }
 
-#ifdef JAVASE_EMBEDDED
+#if (defined JAVASE_EMBEDDED || defined ARM)
   UNSUPPORTED_OPTION(UseG1GC, "G1 GC");
 #endif
 
@@ -3092,6 +3092,14 @@
     PrintGC = true;
   }
 
+  if (!JDK_Version::is_gte_jdk18x_version()) {
+    // To avoid changing the log format for 7 updates this flag is only
+    // true by default in JDK8 and above.
+    if (FLAG_IS_DEFAULT(PrintGCCause)) {
+      FLAG_SET_DEFAULT(PrintGCCause, false);
+    }
+  }
+
   // Set object alignment values.
   set_object_alignment();
 
--- a/src/share/vm/runtime/globals.hpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/runtime/globals.hpp	Thu May 24 18:39:44 2012 -0700
@@ -3902,7 +3902,10 @@
           " of this flag is true for JDK 6 and earlier")                    \
                                                                             \
   diagnostic(bool, WhiteBoxAPI, false,                                      \
-          "Enable internal testing APIs")
+          "Enable internal testing APIs")                                   \
+                                                                            \
+  product(bool, PrintGCCause, true,                                         \
+          "Include GC cause in GC logging")
 
 /*
  *  Macros for factoring of globals
--- a/src/share/vm/runtime/java.hpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/runtime/java.hpp	Thu May 24 18:39:44 2012 -0700
@@ -206,6 +206,10 @@
     return current().compare_major(7) == 0;
   }
 
+  static bool is_jdk18x_version() {
+    return current().compare_major(8) == 0;
+  }
+
   static bool is_gte_jdk13x_version() {
     return current().compare_major(3) >= 0;
   }
@@ -225,6 +229,10 @@
   static bool is_gte_jdk17x_version() {
     return current().compare_major(7) >= 0;
   }
+
+  static bool is_gte_jdk18x_version() {
+    return current().compare_major(8) >= 0;
+  }
 };
 
 #endif // SHARE_VM_RUNTIME_JAVA_HPP
--- a/src/share/vm/runtime/os.hpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/runtime/os.hpp	Thu May 24 18:39:44 2012 -0700
@@ -492,6 +492,7 @@
   // Print out system information; they are called by fatal error handler.
   // Output format may be different on different platforms.
   static void print_os_info(outputStream* st);
+  static void print_os_info_brief(outputStream* st);
   static void print_cpu_info(outputStream* st);
   static void pd_print_cpu_info(outputStream* st);
   static void print_memory_info(outputStream* st);
@@ -685,14 +686,17 @@
   // Platform dependent stuff
 #ifdef TARGET_OS_FAMILY_linux
 # include "os_linux.hpp"
+# include "os_posix.hpp"
 #endif
 #ifdef TARGET_OS_FAMILY_solaris
 # include "os_solaris.hpp"
+# include "os_posix.hpp"
 #endif
 #ifdef TARGET_OS_FAMILY_windows
 # include "os_windows.hpp"
 #endif
 #ifdef TARGET_OS_FAMILY_bsd
+# include "os_posix.hpp"
 # include "os_bsd.hpp"
 #endif
 #ifdef TARGET_OS_ARCH_linux_x86
--- a/src/share/vm/utilities/globalDefinitions.hpp	Mon May 21 09:46:02 2012 +0200
+++ b/src/share/vm/utilities/globalDefinitions.hpp	Thu May 24 18:39:44 2012 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -179,6 +179,11 @@
 const jint  NANOSECS_PER_MILLISEC = 1000000;
 
 inline const char* proper_unit_for_byte_size(size_t s) {
+#ifdef _LP64
+  if (s >= 10*G) {
+    return "G";
+  }
+#endif
   if (s >= 10*M) {
     return "M";
   } else if (s >= 10*K) {
@@ -188,17 +193,22 @@
   }
 }
 
-inline size_t byte_size_in_proper_unit(size_t s) {
+template <class T>
+inline T byte_size_in_proper_unit(T s) {
+#ifdef _LP64
+  if (s >= 10*G) {
+    return (T)(s/G);
+  }
+#endif
   if (s >= 10*M) {
-    return s/M;
+    return (T)(s/M);
   } else if (s >= 10*K) {
-    return s/K;
+    return (T)(s/K);
   } else {
     return s;
   }
 }
 
-
 //----------------------------------------------------------------------------------------------------
 // VM type definitions
 
--- a/test/compiler/6894807/Test6894807.sh	Mon May 21 09:46:02 2012 +0200
+++ b/test/compiler/6894807/Test6894807.sh	Thu May 24 18:39:44 2012 -0700
@@ -18,8 +18,6 @@
   exit 1
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -27,12 +25,6 @@
     NULL=/dev/null
     PS=":"
     FS="/"
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
-    then
-        BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT | grep -v '^#'`
-    fi
     ;;
   Windows_* )
     NULL=NUL
@@ -50,9 +42,9 @@
 
 THIS_DIR=`pwd`
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -version
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -version
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -server IsInstanceTest > test.out 2>&1
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} IsInstanceTest > test.out 2>&1
 
 cat test.out
 
--- a/test/gc/6941923/test6941923.sh	Mon May 21 09:46:02 2012 +0200
+++ b/test/gc/6941923/test6941923.sh	Thu May 24 18:39:44 2012 -0700
@@ -30,7 +30,7 @@
   exit 0
 fi
 
-$JAVA_HOME/bin/java -version > $NULL 2>&1
+$JAVA_HOME/bin/java ${TESTVMOPTS} -version > $NULL 2>&1
 
 if [ $? != 0 ]; then
   echo "Wrong JAVA_HOME? JAVA_HOME: $JAVA_HOME"
@@ -119,7 +119,7 @@
 
 options="-Xloggc:$logfile -XX:+UseConcMarkSweepGC -XX:+PrintGC -XX:+PrintGCDetails -XX:+UseGCLogFileRotation  -XX:NumberOfGCLogFiles=1 -XX:GCLogFileSize=$gclogsize"
 echo "Test gc log rotation in same file, wait for $tts minutes ...."
-$JAVA_HOME/bin/java $options $testname $tts
+$JAVA_HOME/bin/java ${TESTVMOPTS} $options $testname $tts
 if [ $? != 0 ]; then
   echo "$msgfail"
   exit -1
@@ -148,7 +148,7 @@
 numoffiles=3
 options="-Xloggc:$logfile -XX:+UseConcMarkSweepGC -XX:+PrintGC -XX:+PrintGCDetails -XX:+UseGCLogFileRotation  -XX:NumberOfGCLogFiles=$numoffiles -XX:GCLogFileSize=$gclogsize"
 echo "Test gc log rotation in $numoffiles files, wait for $tts minutes ...."
-$JAVA_HOME/bin/java $options $testname $tts
+$JAVA_HOME/bin/java ${TESTVMOPTS} $options $testname $tts
 if [ $? != 0 ]; then
   echo "$msgfail"
   exit -1
--- a/test/runtime/6626217/Test6626217.sh	Mon May 21 09:46:02 2012 +0200
+++ b/test/runtime/6626217/Test6626217.sh	Thu May 24 18:39:44 2012 -0700
@@ -1,5 +1,5 @@
 # 
-#  Copyright (c) 1998, 2010, 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
@@ -46,8 +46,6 @@
   exit 1
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -58,12 +56,6 @@
     RM=/bin/rm
     CP=/bin/cp
     MV=/bin/mv
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
-    then
-        BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT`
-    fi
     ;;
   Windows_* )
     NULL=NUL
@@ -87,7 +79,7 @@
 JAVA=${TESTJAVA}${FS}bin${FS}java
 JAVAC=${TESTJAVA}${FS}bin${FS}javac
 
-${JAVA} ${BIT_FLAG} -version
+${JAVA} ${TESTVMOPTS} -version
 
 # Current directory is scratch directory, copy all the test source there
 # (for the subsequent moves to work).
@@ -113,7 +105,7 @@
 ${MV} many_loader.impl1 many_loader.class
 ${RM} many_loader.java
 
-${JAVA} ${BIT_FLAG} -Xverify -Xint -cp . bug_21227 >test.out 2>&1
+${JAVA} ${TESTVMOPTS} -Xverify -Xint -cp . bug_21227 >test.out 2>&1
 grep "loader constraint" test.out
 exit $?
 
--- a/test/runtime/6878713/Test6878713.sh	Mon May 21 09:46:02 2012 +0200
+++ b/test/runtime/6878713/Test6878713.sh	Thu May 24 18:39:44 2012 -0700
@@ -25,8 +25,6 @@
   exit 1
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -34,12 +32,6 @@
     NULL=/dev/null
     PS=":"
     FS="/"
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
-    then
-        BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT | grep -v '^#'`
-    fi
     ;;
   Windows_* )
     NULL=NUL
@@ -57,11 +49,11 @@
 
 THIS_DIR=`pwd`
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -version
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -version
 
 ${TESTJAVA}${FS}bin${FS}jar xvf ${TESTSRC}${FS}testcase.jar
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} OOMCrashClass1960_2 > test.out 2>&1
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} OOMCrashClass1960_2 > test.out 2>&1
 
 if [ -s core -o -s "hs_*.log" ]
 then
--- a/test/runtime/6929067/Test6929067.sh	Mon May 21 09:46:02 2012 +0200
+++ b/test/runtime/6929067/Test6929067.sh	Thu May 24 18:39:44 2012 -0700
@@ -19,8 +19,6 @@
   echo "If this is incorrect, try setting the variable manually."
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -42,7 +40,19 @@
     ;;
 esac
 
-LD_LIBRARY_PATH=.:${TESTJAVA}/jre/lib/i386/client:/usr/openwin/lib:/usr/dt/lib:/usr/lib:$LD_LIBRARY_PATH
+# Choose arch: i386 or amd64 (test is Linux-specific)
+# Cannot simply look at TESTVMOPTS as -d64 is not
+# passed if there is only a 64-bit JVM available.
+
+${TESTJAVA}/bin/java ${TESTVMOPTS} -version 2>1 | grep "64-Bit" >/dev/null
+if [ "$?" = "0" ]
+then
+  ARCH=amd64
+else
+  ARCH=i386
+fi
+
+LD_LIBRARY_PATH=.:${TESTJAVA}/jre/lib/${ARCH}/client:/usr/openwin/lib:/usr/dt/lib:/usr/lib:$LD_LIBRARY_PATH
 export LD_LIBRARY_PATH
 
 THIS_DIR=`pwd`
@@ -51,10 +61,10 @@
 cp ${TESTSRC}${FS}T.java ${THIS_DIR}
 
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -fullversion
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -fullversion
 
 ${TESTJAVA}${FS}bin${FS}javac T.java
 
-gcc -o invoke -I${TESTJAVA}/include -I${TESTJAVA}/include/linux invoke.c ${TESTJAVA}/jre/lib/i386/client/libjvm.so
+gcc -o invoke -I${TESTJAVA}/include -I${TESTJAVA}/include/linux invoke.c ${TESTJAVA}/jre/lib/${ARCH}/client/libjvm.so
 ./invoke
 exit $?
--- a/test/runtime/7020373/Test7020373.sh	Mon May 21 09:46:02 2012 +0200
+++ b/test/runtime/7020373/Test7020373.sh	Thu May 24 18:39:44 2012 -0700
@@ -27,8 +27,6 @@
   exit 1
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -36,12 +34,6 @@
     NULL=/dev/null
     PS=":"
     FS="/"
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
-    then
-        BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT | grep -v '^#'`
-    fi
     ;;
   Windows_* )
     NULL=NUL
@@ -59,11 +51,11 @@
 
 THIS_DIR=`pwd`
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -version
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -version
 
 ${TESTJAVA}${FS}bin${FS}jar xvf ${TESTSRC}${FS}testcase.jar
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} OOMCrashClass4000_1 > test.out 2>&1
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} OOMCrashClass4000_1 > test.out 2>&1
 
 cat test.out
 
--- a/test/runtime/7051189/Xchecksig.sh	Mon May 21 09:46:02 2012 +0200
+++ b/test/runtime/7051189/Xchecksig.sh	Thu May 24 18:39:44 2012 -0700
@@ -1,5 +1,5 @@
 # 
-#  Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+#  Copyright (c) 2011, 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
@@ -41,18 +41,10 @@
 fi
 
 
-BIT_FLAG=""
-
 OS=`uname -s`
 case "$OS" in
   SunOS | Linux )
     FS="/"
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
-    then
-        BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT`
-    fi
     ;;
   Windows_* )
     printf "Not testing libjsig.so on Windows. PASSED.\n "
@@ -69,20 +61,16 @@
 
 # LD_PRELOAD arch needs to match the binary we run, so run the java
 # 64-bit binary directly if we are testing 64-bit (bin/ARCH/java).
-
-# However JPRT runs: .../solaris_x64_5.10-debug/bin/java
-# ..which is 32-bit, when it has built the 64-bit version to test.
-#
-# How does this script know we are meant to run the 64-bit version?
-# Can check for the path of the binary containing "x64" on Solaris.
+# Check if TESTVMOPS contains -d64, but cannot use 
+# java ${TESTVMOPS} to run "java -d64"  with LD_PRELOAD.
 
 if [ ${OS} -eq "SunOS" ]
 then
-  printf  "SunOS test JAVA=${JAVA}"
-  printf ${JAVA} | grep x64 > /dev/null
+  printf  "SunOS test TESTVMOPTS = ${TESTVMOPTS}"
+  printf ${TESTVMOPTS} | grep d64 > /dev/null
   if [ $? -eq 0 ]
   then
-    printf "SunOS x64 test, forcing -d64\n"
+    printf "SunOS 64-bit test\n"
     BIT_FLAG=-d64
   fi
 fi
@@ -127,20 +115,19 @@
   printf "Skipping test: libjsig missing for given architecture: ${LIBJSIG}\n"
   exit 0
 fi
-# Use java -version to test, java version info appeas on stderr,
+# Use java -version to test, java version info appears on stderr,
 # the libjsig message we are removing appears on stdout.
 
 # grep returns zero meaning found, non-zero means not found:
 
-LD_PRELOAD=${LIBJSIG} ${JAVA} ${BIT_FLAG} -Xcheck:jni -version 2>&1  | grep "libjsig is activated"
-
+LD_PRELOAD=${LIBJSIG} ${JAVA} ${TESTVMOPTS} -Xcheck:jni -version 2>&1  | grep "libjsig is activated"
 if [ $? -eq 0 ]; then
   printf "Failed: -Xcheck:jni prints message when libjsig.so is loaded.\n"
   exit 1
 fi
 
 
-LD_PRELOAD=${LIBJSIG} ${JAVA} ${BIT_FLAG} -Xcheck:jni -verbose:jni -version 2>&1 | grep "libjsig is activated"
+LD_PRELOAD=${LIBJSIG} ${JAVA} ${TESTVMOPTS} -Xcheck:jni -verbose:jni -version 2>&1 | grep "libjsig is activated"
 if [ $? != 0 ]; then
   printf "Failed: -Xcheck:jni does not print message when libjsig.so is loaded and -verbose:jni is set.\n"
   exit 1
--- a/test/runtime/7158988/TestFieldMonitor.sh	Mon May 21 09:46:02 2012 +0200
+++ b/test/runtime/7158988/TestFieldMonitor.sh	Thu May 24 18:39:44 2012 -0700
@@ -18,8 +18,6 @@
   exit 1
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -27,12 +25,6 @@
     NULL=/dev/null
     PS=":"
     FS="/"
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" -a `uname -p`='sparc' ]
-    then
-        BIT_FLAG="-d64"
-    fi
     ;;
   Windows_95 | Windows_98 | Windows_ME )
     NULL=NUL
@@ -56,11 +48,11 @@
 
 cp ${TESTSRC}${FS}*.java .
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -fullversion
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -fullversion
 
 ${TESTJAVA}${FS}bin${FS}javac -classpath .${PS}$TESTJAVA${FS}lib${FS}tools.jar *.java
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -classpath .${PS}$TESTJAVA${FS}lib${FS}tools.jar FieldMonitor > test.out 2>&1 &
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -classpath .${PS}$TESTJAVA${FS}lib${FS}tools.jar FieldMonitor > test.out 2>&1 &
 
 P_PID=$!