changeset 1129:a5a6adfca6ec hs17-b06 jdk7-b79

Merge
author trims
date Wed, 23 Dec 2009 03:12:16 -0800
parents 9749fbc4859b 6952ed8677bf
children 1bc68593a110 9b9c1ee9b3f6 504830073409
files src/share/vm/classfile/classFileParser.cpp src/share/vm/classfile/vmSymbols.hpp
diffstat 47 files changed, 379 insertions(+), 152 deletions(-) [+]
line wrap: on
line diff
--- a/make/linux/makefiles/debug.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/linux/makefiles/debug.make	Wed Dec 23 03:12:16 2009 -0800
@@ -38,7 +38,7 @@
  "Please use 'make jvmg' to build debug JVM.                            \n" \
  "----------------------------------------------------------------------\n")
 
-G_SUFFIX =
+G_SUFFIX = _g
 VERSION = debug
 SYSDEFS += -DASSERT -DDEBUG
 PICFLAGS = DEFAULT
--- a/make/linux/makefiles/fastdebug.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/linux/makefiles/fastdebug.make	Wed Dec 23 03:12:16 2009 -0800
@@ -58,7 +58,7 @@
 # Linker mapfile
 MAPFILE = $(GAMMADIR)/make/linux/makefiles/mapfile-vers-debug
 
-G_SUFFIX =
+G_SUFFIX = _g
 VERSION = optimized
 SYSDEFS += -DASSERT -DFASTDEBUG
 PICFLAGS = DEFAULT
--- a/make/linux/makefiles/jsig.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/linux/makefiles/jsig.make	Wed Dec 23 03:12:16 2009 -0800
@@ -25,9 +25,12 @@
 # Rules to build signal interposition library, used by vm.make
 
 # libjsig[_g].so: signal interposition library
-JSIG = jsig$(G_SUFFIX)
+JSIG = jsig
 LIBJSIG = lib$(JSIG).so
 
+JSIG_G    = $(JSIG)$(G_SUFFIX)
+LIBJSIG_G = lib$(JSIG_G).so
+
 JSIGSRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/vm
 
 DEST_JSIG  = $(JDK_LIBDIR)/$(LIBJSIG)
@@ -50,6 +53,7 @@
 	@echo Making signal interposition lib...
 	$(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \
                          $(LFLAGS_JSIG) $(JSIG_DEBUG_CFLAGS) -o $@ $< -ldl
+	$(QUIETLY) [ -f $(LIBJSIG_G) ] || { ln -s $@ $(LIBJSIG_G); }
 
 install_jsig: $(LIBJSIG)
 	@echo "Copying $(LIBJSIG) to $(DEST_JSIG)"
--- a/make/linux/makefiles/jvmg.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/linux/makefiles/jvmg.make	Wed Dec 23 03:12:16 2009 -0800
@@ -35,7 +35,7 @@
 # Linker mapfile
 MAPFILE = $(GAMMADIR)/make/linux/makefiles/mapfile-vers-debug
 
-G_SUFFIX =
+G_SUFFIX = _g
 VERSION = debug
 SYSDEFS += -DASSERT -DDEBUG
 PICFLAGS = DEFAULT
--- a/make/linux/makefiles/launcher.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/linux/makefiles/launcher.make	Wed Dec 23 03:12:16 2009 -0800
@@ -25,7 +25,9 @@
 # Rules to build gamma launcher, used by vm.make
 
 # gamma[_g]: launcher
-LAUNCHER = gamma$(G_SUFFIX)
+
+LAUNCHER   = gamma
+LAUNCHER_G = $(LAUNCHER)$(G_SUFFIX)
 
 LAUNCHERDIR   = $(GAMMADIR)/src/os/$(Platform_os_family)/launcher
 LAUNCHERFLAGS = $(ARCHFLAG) \
@@ -70,4 +72,5 @@
 	    $(LINK_LAUNCHER/PRE_HOOK) \
 	    $(LINK_LAUNCHER) $(LFLAGS_LAUNCHER) -o $@ $(LAUNCHER.o) $(LIBS_LAUNCHER); \
 	    $(LINK_LAUNCHER/POST_HOOK) \
+	    [ -f $(LAUNCHER_G) ] || { ln -s $@ $(LAUNCHER_G); }; \
         }
--- a/make/linux/makefiles/saproc.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/linux/makefiles/saproc.make	Wed Dec 23 03:12:16 2009 -0800
@@ -25,9 +25,13 @@
 # Rules to build serviceability agent library, used by vm.make
 
 # libsaproc[_g].so: serviceability agent
-SAPROC = saproc$(G_SUFFIX)
+
+SAPROC = saproc
 LIBSAPROC = lib$(SAPROC).so
 
+SAPROC_G = $(SAPROC)$(G_SUFFIX)
+LIBSAPROC_G = lib$(SAPROC_G).so
+
 AGENT_DIR = $(GAMMADIR)/agent
 
 SASRCDIR = $(AGENT_DIR)/src/os/$(Platform_os_family)
@@ -75,6 +79,7 @@
 	           $(SA_DEBUG_CFLAGS)                                   \
 	           -o $@                                                \
 	           -lthread_db
+	$(QUIETLY) [ -f $(LIBSAPROC_G) ] || { ln -s $@ $(LIBSAPROC_G); }
 
 install_saproc: checkAndBuildSA
 	$(QUIETLY) if [ -e $(LIBSAPROC) ] ; then             \
--- a/make/linux/makefiles/vm.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/linux/makefiles/vm.make	Wed Dec 23 03:12:16 2009 -0800
@@ -113,8 +113,9 @@
 #----------------------------------------------------------------------
 # JVM
 
-JVM    = jvm$(G_SUFFIX)
-LIBJVM = lib$(JVM).so
+JVM      = jvm
+LIBJVM   = lib$(JVM).so
+LIBJVM_G = lib$(JVM)$(G_SUFFIX).so
 
 JVM_OBJ_FILES = $(Obj_Files)
 
@@ -201,6 +202,7 @@
 		       $(LFLAGS_VM) -o $@ $(LIBJVM.o) $(LIBS_VM);       \
 	    $(LINK_LIB.CC/POST_HOOK)                                    \
 	    rm -f $@.1; ln -s $@ $@.1;                                  \
+	    [ -f $(LIBJVM_G) ] || { ln -s $@ $(LIBJVM_G); ln -s $@.1 $(LIBJVM_G).1; }; \
 	    if [ -x /usr/sbin/selinuxenabled ] ; then                   \
 	      /usr/sbin/selinuxenabled;                                 \
               if [ $$? = 0 ] ; then					\
--- a/make/solaris/makefiles/debug.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/solaris/makefiles/debug.make	Wed Dec 23 03:12:16 2009 -0800
@@ -54,7 +54,7 @@
  "Please use 'gnumake jvmg' to build debug JVM.                            \n" \
  "-------------------------------------------------------------------------\n")
 
-G_SUFFIX =
+G_SUFFIX = _g
 VERSION = debug
 SYSDEFS += -DASSERT -DDEBUG
 PICFLAGS = DEFAULT
--- a/make/solaris/makefiles/dtrace.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/solaris/makefiles/dtrace.make	Wed Dec 23 03:12:16 2009 -0800
@@ -24,8 +24,8 @@
 
 # Rules to build jvm_db/dtrace, used by vm.make
 
-# we build libjvm_dtrace/libjvm_db/dtrace for COMPILER1 and COMPILER2
-# but not for CORE configuration
+# We build libjvm_dtrace/libjvm_db/dtrace for COMPILER1 and COMPILER2
+# but not for CORE or KERNEL configurations.
 
 ifneq ("${TYPE}", "CORE")
 ifneq ("${TYPE}", "KERNEL")
@@ -37,12 +37,13 @@
 
 else
 
-
 JVM_DB = libjvm_db
-LIBJVM_DB = libjvm$(G_SUFFIX)_db.so
+LIBJVM_DB = libjvm_db.so
+LIBJVM_DB_G = libjvm$(G_SUFFIX)_db.so
 
 JVM_DTRACE = jvm_dtrace
-LIBJVM_DTRACE = libjvm$(G_SUFFIX)_dtrace.so
+LIBJVM_DTRACE = libjvm_dtrace.so
+LIBJVM_DTRACE_G = libjvm$(G_SUFFIX)_dtrace.so
 
 JVMOFFS = JvmOffsets
 JVMOFFS.o = $(JVMOFFS).o
@@ -77,7 +78,7 @@
 LFLAGS_JVM_DTRACE += -D_REENTRANT $(PICFLAG)
 else
 LFLAGS_JVM_DB += -mt $(PICFLAG) -xnolib
-LFLAGS_JVM_DTRACE += -mt $(PICFLAG) -xnolib
+LFLAGS_JVM_DTRACE += -mt $(PICFLAG) -xnolib -ldl
 endif
 
 ISA = $(subst i386,i486,$(shell isainfo -n))
@@ -86,18 +87,24 @@
 ifneq ("${ISA}","${BUILDARCH}")
 
 XLIBJVM_DB = 64/$(LIBJVM_DB)
+XLIBJVM_DB_G = 64/$(LIBJVM_DB_G)
 XLIBJVM_DTRACE = 64/$(LIBJVM_DTRACE)
+XLIBJVM_DTRACE_G = 64/$(LIBJVM_DTRACE_G)
 
 $(XLIBJVM_DB): $(DTRACE_SRCDIR)/$(JVM_DB).c $(JVMOFFS).h $(LIBJVM_DB_MAPFILE)
 	@echo Making $@
 	$(QUIETLY) mkdir -p 64/ ; \
 	$(CC) $(SYMFLAG) $(ARCHFLAG/$(ISA)) -D$(TYPE) -I. -I$(GENERATED) \
 		$(SHARED_FLAG) $(LFLAGS_JVM_DB) -o $@ $(DTRACE_SRCDIR)/$(JVM_DB).c -lc
+	[ -f $(XLIBJVM_DB_G) ] || { ln -s $(LIBJVM_DB) $(XLIBJVM_DB_G); }
+
 $(XLIBJVM_DTRACE): $(DTRACE_SRCDIR)/$(JVM_DTRACE).c $(DTRACE_SRCDIR)/$(JVM_DTRACE).h $(LIBJVM_DTRACE_MAPFILE)
 	@echo Making $@
 	$(QUIETLY) mkdir -p 64/ ; \
 	$(CC) $(SYMFLAG) $(ARCHFLAG/$(ISA)) -D$(TYPE) -I. \
 		$(SHARED_FLAG) $(LFLAGS_JVM_DTRACE) -o $@ $(DTRACE_SRCDIR)/$(JVM_DTRACE).c -lc -lthread -ldoor
+	[ -f $(XLIBJVM_DTRACE_G) ] || { ln -s $(LIBJVM_DTRACE) $(XLIBJVM_DTRACE_G); }
+
 endif # ifneq ("${ISA}","${BUILDARCH}")
 
 ifdef USE_GCC
@@ -142,11 +149,13 @@
 	@echo Making $@
 	$(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) -D$(TYPE) -I. -I$(GENERATED) \
 		$(SHARED_FLAG) $(LFLAGS_JVM_DB) -o $@ $(DTRACE_SRCDIR)/$(JVM_DB).c -lc
+	[ -f $(LIBJVM_DB_G) ] || { ln -s $@ $(LIBJVM_DB_G); }
 
 $(LIBJVM_DTRACE): $(DTRACE_SRCDIR)/$(JVM_DTRACE).c $(XLIBJVM_DTRACE) $(DTRACE_SRCDIR)/$(JVM_DTRACE).h $(LIBJVM_DTRACE_MAPFILE)
 	@echo Making $@
 	$(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) -D$(TYPE) -I.  \
 		$(SHARED_FLAG) $(LFLAGS_JVM_DTRACE) -o $@ $(DTRACE_SRCDIR)/$(JVM_DTRACE).c -lc -lthread -ldoor
+	[ -f $(LIBJVM_DTRACE_G) ] || { ln -s $@ $(LIBJVM_DTRACE_G); }
 
 $(DTRACE).d: $(DTRACE_SRCDIR)/hotspot.d $(DTRACE_SRCDIR)/hotspot_jni.d \
              $(DTRACE_SRCDIR)/hs_private.d $(DTRACE_SRCDIR)/jhelper.d
--- a/make/solaris/makefiles/fastdebug.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/solaris/makefiles/fastdebug.make	Wed Dec 23 03:12:16 2009 -0800
@@ -90,7 +90,6 @@
 # for this method for now. (fix this when dtrace bug 6258412 is fixed)
 OPT_CFLAGS/ciEnv.o = $(OPT_CFLAGS) -xinline=no%__1cFciEnvbFpost_compiled_method_load_event6MpnHnmethod__v_
 
-
 # (OPT_CFLAGS/SLOWER is also available, to alter compilation of buggy files)
 
 # If you set HOTSPARC_GENERIC=yes, you disable all OPT_CFLAGS settings
@@ -115,8 +114,7 @@
 # and mustn't be otherwise.
 MAPFILE_DTRACE = $(GAMMADIR)/make/solaris/makefiles/mapfile-vers-$(TYPE)
 
-
-G_SUFFIX =
+G_SUFFIX = _g
 VERSION = optimized
 SYSDEFS += -DASSERT -DFASTDEBUG -DCHECK_UNHANDLED_OOPS
 PICFLAGS = DEFAULT
--- a/make/solaris/makefiles/jsig.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/solaris/makefiles/jsig.make	Wed Dec 23 03:12:16 2009 -0800
@@ -25,8 +25,11 @@
 # Rules to build signal interposition library, used by vm.make
 
 # libjsig[_g].so: signal interposition library
-JSIG = jsig$(G_SUFFIX)
-LIBJSIG = lib$(JSIG).so
+JSIG      = jsig
+LIBJSIG   = lib$(JSIG).so
+
+JSIG_G    = $(JSIG)$(G_SUFFIX)
+LIBJSIG_G = lib$(JSIG_G).so
 
 JSIGSRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/vm
 
@@ -46,6 +49,7 @@
 	@echo Making signal interposition lib...
 	$(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \
                          $(LFLAGS_JSIG) -o $@ $< -ldl
+	[ -f $(LIBJSIG_G) ] || { ln -s $@ $(LIBJSIG_G); }
 
 install_jsig: $(LIBJSIG)
 	@echo "Copying $(LIBJSIG) to $(DEST_JSIG)"
--- a/make/solaris/makefiles/jvmg.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/solaris/makefiles/jvmg.make	Wed Dec 23 03:12:16 2009 -0800
@@ -51,7 +51,7 @@
 # and mustn't be otherwise.
 MAPFILE_DTRACE = $(GAMMADIR)/make/solaris/makefiles/mapfile-vers-$(TYPE)
 
-G_SUFFIX =
+G_SUFFIX = _g
 VERSION = debug
 SYSDEFS += -DASSERT -DDEBUG
 PICFLAGS = DEFAULT
--- a/make/solaris/makefiles/launcher.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/solaris/makefiles/launcher.make	Wed Dec 23 03:12:16 2009 -0800
@@ -25,7 +25,8 @@
 # Rules to build gamma launcher, used by vm.make
 
 # gamma[_g]: launcher
-LAUNCHER = gamma$(G_SUFFIX)
+LAUNCHER   = gamma
+LAUNCHER_G = $(LAUNCHER)$(G_SUFFIX)
 
 LAUNCHERDIR   = $(GAMMADIR)/src/os/$(Platform_os_family)/launcher
 LAUNCHERFLAGS = $(ARCHFLAG) \
@@ -88,5 +89,6 @@
 	    $(LINK_LAUNCHER/PRE_HOOK) \
 	    $(LINK_LAUNCHER) $(LFLAGS_LAUNCHER) -o $@ $(LAUNCHER.o) $(LIBS_LAUNCHER); \
 	    $(LINK_LAUNCHER/POST_HOOK) \
+	    [ -f $(LAUNCHER_G) ] || { ln -s $@ $(LAUNCHER_G); }; \
 	    ;; \
 	esac
--- a/make/solaris/makefiles/saproc.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/solaris/makefiles/saproc.make	Wed Dec 23 03:12:16 2009 -0800
@@ -25,9 +25,13 @@
 # Rules to build serviceability agent library, used by vm.make
 
 # libsaproc[_g].so: serviceability agent
-SAPROC = saproc$(G_SUFFIX)
+
+SAPROC = saproc
 LIBSAPROC = lib$(SAPROC).so
 
+SAPROC_G = $(SAPROC)$(G_SUFFIX)
+LIBSAPROC_G = lib$(SAPROC_G).so
+
 AGENT_DIR = $(GAMMADIR)/agent
 
 SASRCDIR = $(AGENT_DIR)/src/os/$(Platform_os_family)/proc
@@ -69,6 +73,7 @@
 	           $(SA_LFLAGS)                                         \
 	           -o $@                                                \
 	           -ldl -ldemangle -lthread -lc
+	[ -f $(LIBSAPROC_G) ] || { ln -s $@ $(LIBSAPROC_G); }
 
 install_saproc: checkAndBuildSA
 	$(QUIETLY) if [ -f $(LIBSAPROC) ] ; then             \
--- a/make/solaris/makefiles/sparcWorks.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/solaris/makefiles/sparcWorks.make	Wed Dec 23 03:12:16 2009 -0800
@@ -281,8 +281,6 @@
 OPT_CFLAGS=-xO4 $(EXTRA_OPT_CFLAGS)
 endif
 
-CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_sparc/vm/solaris_sparc.il
-
 endif # sparc
 
 ifeq ("${Platform_arch_model}", "x86_32")
@@ -293,13 +291,14 @@
 # [phh] Is this still true for 6.1?
 OPT_CFLAGS+=-xO3
 
-CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_x86/vm/solaris_x86_32.il
-
 endif # 32bit x86
 
 # no more exceptions
 CFLAGS/NOEX=-noex
 
+# Inline functions
+CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_${Platform_arch}/vm/solaris_${Platform_arch_model}.il
+
 # Reduce code bloat by reverting back to 5.0 behavior for static initializers
 CFLAGS += -Qoption ccfe -one_static_init
 
@@ -312,6 +311,15 @@
 PICFLAG/BETTER  = $(PICFLAG/DEFAULT)
 PICFLAG/BYFILE  = $(PICFLAG/$@)$(PICFLAG/DEFAULT$(PICFLAG/$@))
 
+# Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
+MAPFLAG = -M FILENAME
+
+# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
+SONAMEFLAG = -h SONAME
+
+# Build shared library
+SHARED_FLAG = -G
+
 # Would be better if these weren't needed, since we link with CC, but
 # at present removing them causes run-time errors
 LFLAGS += -library=Crun
--- a/make/solaris/makefiles/vm.make	Wed Dec 23 02:57:31 2009 -0800
+++ b/make/solaris/makefiles/vm.make	Wed Dec 23 03:12:16 2009 -0800
@@ -108,11 +108,16 @@
 #   older libm before libCrun, just to make sure it's found and used first.
 LIBS += -lsocket -lsched -ldl $(LIBM) -lCrun -lthread -ldoor -lc
 else
+ifeq ($(COMPILER_REV_NUMERIC), 502)
+# SC6.1 has it's own libm.so: specifying anything else provokes a name conflict.
+LIBS += -ldl -lthread -lsocket -lm -lsched -ldoor
+else
 LIBS += -ldl -lthread -lsocket $(LIBM) -lsched -ldoor
-endif
+endif # 502
+endif # 505
 else
 LIBS += -lsocket -lsched -ldl $(LIBM) -lthread -lc
-endif
+endif # sparcWorks
 
 # By default, link the *.o into the library, not the executable.
 LINK_INTO$(LINK_INTO) = LIBJVM
@@ -126,8 +131,9 @@
 #----------------------------------------------------------------------
 # JVM
 
-JVM    = jvm$(G_SUFFIX)
-LIBJVM = lib$(JVM).so
+JVM      = jvm
+LIBJVM   = lib$(JVM).so
+LIBJVM_G = lib$(JVM)$(G_SUFFIX).so
 
 JVM_OBJ_FILES = $(Obj_Files) $(DTRACE_OBJS)
 
@@ -173,11 +179,12 @@
 	-sbfast|-xsbfast) \
 	    ;; \
 	*) \
-	    echo Linking vm...;                                                  \
-	    $(LINK_LIB.CC/PRE_HOOK)                                              \
-	    $(LINK_VM) $(LFLAGS_VM) -o $@ $(LIBJVM.o) $(LIBS_VM);                \
-	    $(LINK_LIB.CC/POST_HOOK)                                             \
-	    rm -f $@.1; ln -s $@ $@.1;                                           \
+	    echo Linking vm...; \
+	    $(LINK_LIB.CC/PRE_HOOK) \
+	    $(LINK_VM) $(LFLAGS_VM) -o $@ $(LIBJVM.o) $(LIBS_VM); \
+	    $(LINK_LIB.CC/POST_HOOK) \
+	    rm -f $@.1; ln -s $@ $@.1; \
+	    [ -f $(LIBJVM_G) ] || { ln -s $@ $(LIBJVM_G); ln -s $@.1 $(LIBJVM_G).1; }; \
 	    ;; \
 	esac
 
--- a/src/os/linux/vm/os_linux.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/os/linux/vm/os_linux.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -223,8 +223,8 @@
                      "environment on Linux when /proc filesystem is not mounted.";
 
 void os::Linux::initialize_system_info() {
-  _processor_count = sysconf(_SC_NPROCESSORS_CONF);
-  if (_processor_count == 1) {
+  set_processor_count(sysconf(_SC_NPROCESSORS_CONF));
+  if (processor_count() == 1) {
     pid_t pid = os::Linux::gettid();
     char fname[32];
     jio_snprintf(fname, sizeof(fname), "/proc/%d", pid);
@@ -236,7 +236,7 @@
     }
   }
   _physical_memory = (julong)sysconf(_SC_PHYS_PAGES) * (julong)sysconf(_SC_PAGESIZE);
-  assert(_processor_count > 0, "linux error");
+  assert(processor_count() > 0, "linux error");
 }
 
 void os::init_system_properties_values() {
@@ -4683,6 +4683,7 @@
   // Return immediately if a permit is available.
   if (_counter > 0) {
       _counter = 0 ;
+      OrderAccess::fence();
       return ;
   }
 
@@ -4725,6 +4726,7 @@
     _counter = 0;
     status = pthread_mutex_unlock(_mutex);
     assert (status == 0, "invariant") ;
+    OrderAccess::fence();
     return;
   }
 
@@ -4765,6 +4767,7 @@
     jt->java_suspend_self();
   }
 
+  OrderAccess::fence();
 }
 
 void Parker::unpark() {
--- a/src/os/solaris/dtrace/libjvm_db.c	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/os/solaris/dtrace/libjvm_db.c	Wed Dec 23 03:12:16 2009 -0800
@@ -937,54 +937,56 @@
   return err;
 }
 
-static int
-scopeDesc_chain(Nmethod_t *N)
-{
+static int scopeDesc_chain(Nmethod_t *N) {
   int32_t decode_offset = 0;
   int32_t err;
 
-  if (debug > 2)
-      fprintf(stderr, "\t scopeDesc_chain: BEGIN\n");
+  if (debug > 2) {
+    fprintf(stderr, "\t scopeDesc_chain: BEGIN\n");
+  }
 
   err = ps_pread(N->J->P, N->pc_desc + OFFSET_PcDesc_scope_decode_offset,
                  &decode_offset, SZ32);
   CHECK_FAIL(err);
 
   while (decode_offset > 0) {
-      if (debug > 2)
-          fprintf(stderr, "\t scopeDesc_chain: decode_offset: %#x\n", decode_offset);
+    Vframe_t *vf = &N->vframes[N->vf_cnt];
 
-      Vframe_t *vf = &N->vframes[N->vf_cnt];
+    if (debug > 2) {
+      fprintf(stderr, "\t scopeDesc_chain: decode_offset: %#x\n", decode_offset);
+    }
 
-      err = scope_desc_at(N, decode_offset, vf);
+    err = scope_desc_at(N, decode_offset, vf);
+    CHECK_FAIL(err);
+
+    if (vf->methodIdx > N->oops_len) {
+      fprintf(stderr, "\t scopeDesc_chain: (methodIdx > oops_len) !\n");
+      return -1;
+    }
+    err = read_pointer(N->J, N->nm + N->oops_beg + (vf->methodIdx-1)*POINTER_SIZE,
+                       &vf->methodOop);
+    CHECK_FAIL(err);
+
+    if (vf->methodOop) {
+      N->vf_cnt++;
+      err = line_number_from_bci(N->J, vf);
       CHECK_FAIL(err);
-
-      if (vf->methodIdx > N->oops_len) {
-          fprintf(stderr, "\t scopeDesc_chain: (methodIdx > oops_len) !\n");
-          return -1;
+      if (debug > 2) {
+        fprintf(stderr, "\t scopeDesc_chain: methodOop: %#8llx, line: %ld\n",
+                vf->methodOop, vf->line);
       }
-      err = read_pointer(N->J, N->nm + N->oops_beg + (vf->methodIdx-1)*POINTER_SIZE,
-                               &vf->methodOop);
-      CHECK_FAIL(err);
-
-      if (vf->methodOop) {
-          N->vf_cnt++;
-          err = line_number_from_bci(N->J, vf);
-          CHECK_FAIL(err);
-          if (debug > 2) {
-              fprintf(stderr, "\t scopeDesc_chain: methodOop: %#8llx, line: %ld\n",
-                              vf->methodOop, vf->line);
-          }
-      }
-      decode_offset = vf->sender_decode_offset;
+    }
+    decode_offset = vf->sender_decode_offset;
   }
-  if (debug > 2)
-      fprintf(stderr, "\t scopeDesc_chain: END \n\n");
+  if (debug > 2) {
+    fprintf(stderr, "\t scopeDesc_chain: END \n\n");
+  }
   return PS_OK;
 
  fail:
-  if (debug)
-      fprintf(stderr, "\t scopeDesc_chain: FAIL \n\n");
+  if (debug) {
+    fprintf(stderr, "\t scopeDesc_chain: FAIL \n\n");
+  }
   return err;
 }
 
--- a/src/os/solaris/vm/os_solaris.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/os/solaris/vm/os_solaris.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -457,7 +457,7 @@
 
 
 void os::Solaris::initialize_system_info() {
-  _processor_count = sysconf(_SC_NPROCESSORS_CONF);
+  set_processor_count(sysconf(_SC_NPROCESSORS_CONF));
   _processors_online = sysconf (_SC_NPROCESSORS_ONLN);
   _physical_memory = (julong)sysconf(_SC_PHYS_PAGES) * (julong)sysconf(_SC_PAGESIZE);
 }
@@ -5803,6 +5803,7 @@
   // Return immediately if a permit is available.
   if (_counter > 0) {
       _counter = 0 ;
+      OrderAccess::fence();
       return ;
   }
 
@@ -5846,6 +5847,7 @@
     _counter = 0;
     status = os::Solaris::mutex_unlock(_mutex);
     assert (status == 0, "invariant") ;
+    OrderAccess::fence();
     return;
   }
 
@@ -5892,6 +5894,7 @@
     jt->java_suspend_self();
   }
 
+  OrderAccess::fence();
 }
 
 void Parker::unpark() {
--- a/src/os/windows/vm/os_windows.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/os/windows/vm/os_windows.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -3150,7 +3150,7 @@
   _vm_allocation_granularity = si.dwAllocationGranularity;
   _processor_type  = si.dwProcessorType;
   _processor_level = si.wProcessorLevel;
-  _processor_count = si.dwNumberOfProcessors;
+  set_processor_count(si.dwNumberOfProcessors);
 
   MEMORYSTATUSEX ms;
   ms.dwLength = sizeof(ms);
--- a/src/share/vm/ci/bcEscapeAnalyzer.hpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/ci/bcEscapeAnalyzer.hpp	Wed Dec 23 03:12:16 2009 -0800
@@ -61,9 +61,11 @@
   BCEscapeAnalyzer* _parent;
   int               _level;
 
+ public:
   class  ArgumentMap;
   class  StateInfo;
 
+ private:
   // helper functions
   bool is_argument(int i)    { return i >= 0 && i < _arg_size; }
 
--- a/src/share/vm/classfile/classFileParser.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/classfile/classFileParser.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -3755,8 +3755,9 @@
 }
 
 bool ClassFileParser::is_supported_version(u2 major, u2 minor) {
-  u2 max_version = JDK_Version::is_gte_jdk17x_version() ?
-    JAVA_MAX_SUPPORTED_VERSION : JAVA_6_VERSION;
+  u2 max_version =
+    JDK_Version::is_gte_jdk17x_version() ? JAVA_MAX_SUPPORTED_VERSION :
+    (JDK_Version::is_gte_jdk16x_version() ? JAVA_6_VERSION : JAVA_1_5_VERSION);
   return (major >= JAVA_MIN_SUPPORTED_VERSION) &&
          (major <= max_version) &&
          ((major != max_version) ||
--- a/src/share/vm/classfile/vmSymbols.hpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/classfile/vmSymbols.hpp	Wed Dec 23 03:12:16 2009 -0800
@@ -105,6 +105,7 @@
   template(java_lang_AssertionStatusDirectives,       "java/lang/AssertionStatusDirectives")      \
   template(sun_jkernel_DownloadManager,               "sun/jkernel/DownloadManager")              \
   template(getBootClassPathEntryForClass_name,        "getBootClassPathEntryForClass")            \
+  template(setBootClassLoaderHook_name,               "setBootClassLoaderHook")                   \
                                                                                                   \
   /* class file format tags */                                                                    \
   template(tag_source_file,                           "SourceFile")                               \
--- a/src/share/vm/code/dependencies.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/code/dependencies.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -1528,19 +1528,23 @@
   int nsup = 0, nint = 0;
   for (ContextStream str(*this); str.next(); ) {
     klassOop k = str.klass();
-    switch (str._change_type) {
+    switch (str.change_type()) {
     case Change_new_type:
       tty->print_cr("  dependee = %s", instanceKlass::cast(k)->external_name());
       break;
     case Change_new_sub:
-      if (!WizardMode)
-           ++nsup;
-      else tty->print_cr("  context super = %s", instanceKlass::cast(k)->external_name());
+      if (!WizardMode) {
+        ++nsup;
+      } else {
+        tty->print_cr("  context super = %s", instanceKlass::cast(k)->external_name());
+      }
       break;
     case Change_new_impl:
-      if (!WizardMode)
-           ++nint;
-      else tty->print_cr("  context interface = %s", instanceKlass::cast(k)->external_name());
+      if (!WizardMode) {
+        ++nint;
+      } else {
+        tty->print_cr("  context interface = %s", instanceKlass::cast(k)->external_name());
+      }
       break;
     }
   }
--- a/src/share/vm/code/dependencies.hpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/code/dependencies.hpp	Wed Dec 23 03:12:16 2009 -0800
@@ -470,7 +470,7 @@
 // super types can be context types for a relevant dependency, which the
 // new type could invalidate.
 class DepChange : public StackObj {
- private:
+ public:
   enum ChangeType {
     NO_CHANGE = 0,              // an uninvolved klass
     Change_new_type,            // a newly loaded type
@@ -480,6 +480,7 @@
     Start_Klass = CHANGE_LIMIT  // internal indicator for ContextStream
   };
 
+ private:
   // each change set is rooted in exactly one new type (at present):
   KlassHandle _new_type;
 
@@ -510,15 +511,15 @@
   // }
   class ContextStream : public StackObj {
    private:
-    DepChange&       _changes;
+    DepChange&  _changes;
     friend class DepChange;
 
     // iteration variables:
-    ChangeType            _change_type;
-    klassOop              _klass;
-    objArrayOop           _ti_base;    // i.e., transitive_interfaces
-    int                   _ti_index;
-    int                   _ti_limit;
+    ChangeType  _change_type;
+    klassOop    _klass;
+    objArrayOop _ti_base;    // i.e., transitive_interfaces
+    int         _ti_index;
+    int         _ti_limit;
 
     // start at the beginning:
     void start() {
@@ -530,11 +531,11 @@
       _ti_limit = 0;
     }
 
+   public:
     ContextStream(DepChange& changes)
       : _changes(changes)
     { start(); }
 
-   public:
     ContextStream(DepChange& changes, No_Safepoint_Verifier& nsv)
       : _changes(changes)
       // the nsv argument makes it safe to hold oops like _klass
@@ -542,6 +543,7 @@
 
     bool next();
 
+    ChangeType change_type()     { return _change_type; }
     klassOop   klass()           { return _klass; }
   };
   friend class DepChange::ContextStream;
--- a/src/share/vm/memory/heap.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/memory/heap.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -464,7 +464,7 @@
   }
 
   // Verify that freelist contains the right amount of free space
-  guarantee(len == _free_segments, "wrong freelist");
+  //  guarantee(len == _free_segments, "wrong freelist");
 
   // Verify that the number of free blocks is not out of hand.
   static int free_block_threshold = 10000;
@@ -479,5 +479,5 @@
   for(HeapBlock *h = first_block(); h != NULL; h = next_block(h)) {
     if (h->free()) count--;
   }
-  guarantee(count == 0, "missing free blocks");
+  //  guarantee(count == 0, "missing free blocks");
 }
--- a/src/share/vm/memory/referenceProcessor.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/memory/referenceProcessor.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -299,8 +299,8 @@
 
 
 template <class T>
-static bool enqueue_discovered_ref_helper(ReferenceProcessor* ref,
-                                          AbstractRefProcTaskExecutor* task_executor) {
+bool enqueue_discovered_ref_helper(ReferenceProcessor* ref,
+                                   AbstractRefProcTaskExecutor* task_executor) {
 
   // Remember old value of pending references list
   T* pending_list_addr = (T*)java_lang_ref_Reference::pending_list_addr();
--- a/src/share/vm/oops/instanceKlass.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/oops/instanceKlass.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -2045,8 +2045,9 @@
     // As we walk along, look for equalities between outer1 and class2.
     // Eventually, the walks will terminate as outer1 stops
     // at the top-level class around the original class.
-    symbolOop ignore_name;
-    klassOop next = outer1->compute_enclosing_class(ignore_name, CHECK_false);
+    bool ignore_inner_is_member;
+    klassOop next = outer1->compute_enclosing_class(&ignore_inner_is_member,
+                                                    CHECK_false);
     if (next == NULL)  break;
     if (next == class2())  return true;
     outer1 = instanceKlassHandle(THREAD, next);
@@ -2055,8 +2056,9 @@
   // Now do the same for class2.
   instanceKlassHandle outer2 = class2;
   for (;;) {
-    symbolOop ignore_name;
-    klassOop next = outer2->compute_enclosing_class(ignore_name, CHECK_false);
+    bool ignore_inner_is_member;
+    klassOop next = outer2->compute_enclosing_class(&ignore_inner_is_member,
+                                                    CHECK_false);
     if (next == NULL)  break;
     // Might as well check the new outer against all available values.
     if (next == class1())  return true;
--- a/src/share/vm/oops/instanceKlass.hpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/oops/instanceKlass.hpp	Wed Dec 23 03:12:16 2009 -0800
@@ -337,12 +337,12 @@
   static bool is_same_class_package(oop class_loader1, symbolOop class_name1, oop class_loader2, symbolOop class_name2);
 
   // find an enclosing class (defined where original code was, in jvm.cpp!)
-  klassOop compute_enclosing_class(symbolOop& simple_name_result, TRAPS) {
+  klassOop compute_enclosing_class(bool* inner_is_member, TRAPS) {
     instanceKlassHandle self(THREAD, this->as_klassOop());
-    return compute_enclosing_class_impl(self, simple_name_result, THREAD);
+    return compute_enclosing_class_impl(self, inner_is_member, THREAD);
   }
   static klassOop compute_enclosing_class_impl(instanceKlassHandle self,
-                                               symbolOop& simple_name_result, TRAPS);
+                                               bool* inner_is_member, TRAPS);
 
   // tell if two classes have the same enclosing class (at package level)
   bool is_same_package_member(klassOop class2, TRAPS) {
--- a/src/share/vm/oops/instanceRefKlass.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/oops/instanceRefKlass.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -78,9 +78,9 @@
 
 #ifndef SERIALGC
 template <class T>
-static void specialized_oop_follow_contents(instanceRefKlass* ref,
-                                            ParCompactionManager* cm,
-                                            oop obj) {
+void specialized_oop_follow_contents(instanceRefKlass* ref,
+                                     ParCompactionManager* cm,
+                                     oop obj) {
   T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj);
   T heap_oop = oopDesc::load_heap_oop(referent_addr);
   debug_only(
--- a/src/share/vm/oops/oop.hpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/oops/oop.hpp	Wed Dec 23 03:12:16 2009 -0800
@@ -30,13 +30,12 @@
 // no virtual functions allowed
 
 // store into oop with store check
-template <class T> void oop_store(T* p, oop v);
-template <class T> void oop_store(volatile T* p, oop v);
+template <class T> inline void oop_store(T* p, oop v);
+template <class T> inline void oop_store(volatile T* p, oop v);
 
 // store into oop without store check
-template <class T> void oop_store_without_check(T* p, oop v);
-template <class T> void oop_store_without_check(volatile T* p, oop v);
-
+template <class T> inline void oop_store_without_check(T* p, oop v);
+template <class T> inline void oop_store_without_check(volatile T* p, oop v);
 
 extern bool always_do_update_barrier;
 
--- a/src/share/vm/prims/jvm.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/prims/jvm.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -1318,19 +1318,20 @@
     return NULL;
   }
 
-  symbolOop simple_name = NULL;
+  bool inner_is_member = false;
   klassOop outer_klass
     = instanceKlass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(ofClass))
-                          )->compute_enclosing_class(simple_name, CHECK_NULL);
+                          )->compute_enclosing_class(&inner_is_member, CHECK_NULL);
   if (outer_klass == NULL)  return NULL;  // already a top-level class
-  if (simple_name == NULL)  return NULL;  // an anonymous class (inside a method)
+  if (!inner_is_member)  return NULL;     // an anonymous class (inside a method)
   return (jclass) JNIHandles::make_local(env, Klass::cast(outer_klass)->java_mirror());
 }
 JVM_END
 
 // should be in instanceKlass.cpp, but is here for historical reasons
 klassOop instanceKlass::compute_enclosing_class_impl(instanceKlassHandle k,
-                                                     symbolOop& simple_name_result, TRAPS) {
+                                                     bool* inner_is_member,
+                                                     TRAPS) {
   Thread* thread = THREAD;
   const int inner_class_info_index = inner_class_inner_class_info_offset;
   const int outer_class_info_index = inner_class_outer_class_info_offset;
@@ -1347,8 +1348,7 @@
   bool found = false;
   klassOop ok;
   instanceKlassHandle outer_klass;
-  bool inner_is_member = false;
-  int simple_name_index = 0;
+  *inner_is_member = false;
 
   // Find inner_klass attribute
   for (int i = 0; i < i_length && !found; i += inner_class_next_offset) {
@@ -1364,8 +1364,7 @@
         if (found && ooff != 0) {
           ok = i_cp->klass_at(ooff, CHECK_NULL);
           outer_klass = instanceKlassHandle(thread, ok);
-          simple_name_index = noff;
-          inner_is_member = true;
+          *inner_is_member = true;
         }
       }
     }
@@ -1377,7 +1376,7 @@
     if (encl_method_class_idx != 0) {
       ok = i_cp->klass_at(encl_method_class_idx, CHECK_NULL);
       outer_klass = instanceKlassHandle(thread, ok);
-      inner_is_member = false;
+      *inner_is_member = false;
     }
   }
 
@@ -1387,9 +1386,7 @@
   // Throws an exception if outer klass has not declared k as an inner klass
   // We need evidence that each klass knows about the other, or else
   // the system could allow a spoof of an inner class to gain access rights.
-  Reflection::check_for_inner_class(outer_klass, k, inner_is_member, CHECK_NULL);
-
-  simple_name_result = (inner_is_member ? i_cp->symbol_at(simple_name_index) : symbolOop(NULL));
+  Reflection::check_for_inner_class(outer_klass, k, *inner_is_member, CHECK_NULL);
   return outer_klass();
 }
 
--- a/src/share/vm/prims/jvmtiEnv.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/prims/jvmtiEnv.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 2003-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 2003-2009 Sun Microsystems, Inc.  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
@@ -32,15 +32,15 @@
  // FIXLATER: hook into JvmtiTrace
 #define TraceJVMTICalls false
 
-JvmtiEnv::JvmtiEnv() : JvmtiEnvBase() {
+JvmtiEnv::JvmtiEnv(jint version) : JvmtiEnvBase(version) {
 }
 
 JvmtiEnv::~JvmtiEnv() {
 }
 
 JvmtiEnv*
-JvmtiEnv::create_a_jvmti() {
-  return new JvmtiEnv();
+JvmtiEnv::create_a_jvmti(jint version) {
+  return new JvmtiEnv(version);
 }
 
 // VM operation class to copy jni function table at safepoint.
@@ -411,8 +411,15 @@
   if (phase == JVMTI_PHASE_ONLOAD) {
     Arguments::append_sysclasspath(segment);
     return JVMTI_ERROR_NONE;
-  } else {
-    assert(phase == JVMTI_PHASE_LIVE, "sanity check");
+  } else if (use_version_1_0_semantics()) {
+    // This JvmtiEnv requested version 1.0 semantics and this function
+    // is only allowed in the ONLOAD phase in version 1.0 so we need to
+    // return an error here.
+    return JVMTI_ERROR_WRONG_PHASE;
+  } else if (phase == JVMTI_PHASE_LIVE) {
+    // The phase is checked by the wrapper that called this function,
+    // but this thread could be racing with the thread that is
+    // terminating the VM so we check one more time.
 
     // create the zip entry
     ClassPathZipEntry* zip_entry = ClassLoader::create_class_path_zip_entry(segment);
@@ -433,6 +440,8 @@
     }
     ClassLoader::add_to_list(zip_entry);
     return JVMTI_ERROR_NONE;
+  } else {
+    return JVMTI_ERROR_WRONG_PHASE;
   }
 
 } /* end AddToBootstrapClassLoaderSearch */
@@ -451,11 +460,12 @@
       }
     }
     return JVMTI_ERROR_NONE;
-  } else {
+  } else if (phase == JVMTI_PHASE_LIVE) {
+    // The phase is checked by the wrapper that called this function,
+    // but this thread could be racing with the thread that is
+    // terminating the VM so we check one more time.
     HandleMark hm;
 
-    assert(phase == JVMTI_PHASE_LIVE, "sanity check");
-
     // create the zip entry (which will open the zip file and hence
     // check that the segment is indeed a zip file).
     ClassPathZipEntry* zip_entry = ClassLoader::create_class_path_zip_entry(segment);
@@ -504,6 +514,8 @@
     }
 
     return JVMTI_ERROR_NONE;
+  } else {
+    return JVMTI_ERROR_WRONG_PHASE;
   }
 } /* end AddToSystemClassLoaderSearch */
 
@@ -2863,6 +2875,14 @@
 // is_obsolete_ptr - pre-checked for NULL
 jvmtiError
 JvmtiEnv::IsMethodObsolete(methodOop method_oop, jboolean* is_obsolete_ptr) {
+  if (use_version_1_0_semantics() &&
+      get_capabilities()->can_redefine_classes == 0) {
+    // This JvmtiEnv requested version 1.0 semantics and this function
+    // requires the can_redefine_classes capability in version 1.0 so
+    // we need to return an error here.
+    return JVMTI_ERROR_MUST_POSSESS_CAPABILITY;
+  }
+
   if (method_oop == NULL || method_oop->is_obsolete()) {
     *is_obsolete_ptr = true;
   } else {
--- a/src/share/vm/prims/jvmtiEnvBase.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/prims/jvmtiEnvBase.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -123,7 +123,26 @@
 }
 
 
-JvmtiEnvBase::JvmtiEnvBase() : _env_event_enable() {
+bool
+JvmtiEnvBase::use_version_1_0_semantics() {
+  int major, minor, micro;
+
+  JvmtiExport::decode_version_values(_version, &major, &minor, &micro);
+  return major == 1 && minor == 0;  // micro version doesn't matter here
+}
+
+
+bool
+JvmtiEnvBase::use_version_1_1_semantics() {
+  int major, minor, micro;
+
+  JvmtiExport::decode_version_values(_version, &major, &minor, &micro);
+  return major == 1 && minor == 1;  // micro version doesn't matter here
+}
+
+
+JvmtiEnvBase::JvmtiEnvBase(jint version) : _env_event_enable() {
+  _version = version;
   _env_local_storage = NULL;
   _tag_map = NULL;
   _native_method_prefix_count = 0;
--- a/src/share/vm/prims/jvmtiEnvBase.hpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/prims/jvmtiEnvBase.hpp	Wed Dec 23 03:12:16 2009 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 2003-2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 2003-2009 Sun Microsystems, Inc.  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
@@ -76,6 +76,7 @@
 
   jvmtiEnv _jvmti_external;
   jint _magic;
+  jint _version;  // version value passed to JNI GetEnv()
   JvmtiEnvBase* _next;
   bool _is_retransformable;
   const void *_env_local_storage;     // per env agent allocated data.
@@ -91,7 +92,7 @@
   int    _native_method_prefix_count;
 
  protected:
-  JvmtiEnvBase();
+  JvmtiEnvBase(jint version);
   ~JvmtiEnvBase();
   void dispose();
   void env_dispose();
@@ -122,6 +123,9 @@
 
   bool is_valid();
 
+  bool use_version_1_0_semantics();  // agent asked for version 1.0
+  bool use_version_1_1_semantics();  // agent asked for version 1.1
+
   bool is_retransformable()                        { return _is_retransformable; }
 
   static ByteSize jvmti_external_offset() {
--- a/src/share/vm/prims/jvmtiExport.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/prims/jvmtiExport.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -319,7 +319,27 @@
 
 jint
 JvmtiExport::get_jvmti_interface(JavaVM *jvm, void **penv, jint version) {
-  /* To Do: add version checks */
+  // The JVMTI_VERSION_INTERFACE_JVMTI part of the version number
+  // has already been validated in JNI GetEnv().
+  int major, minor, micro;
+
+  // micro version doesn't matter here (yet?)
+  decode_version_values(version, &major, &minor, &micro);
+  switch (major) {
+  case 1:
+      switch (minor) {
+      case 0:  // version 1.0.<micro> is recognized
+      case 1:  // version 1.1.<micro> is recognized
+          break;
+
+      default:
+          return JNI_EVERSION;  // unsupported minor version number
+      }
+      break;
+
+  default:
+      return JNI_EVERSION;  // unsupported major version number
+  }
 
   if (JvmtiEnv::get_phase() == JVMTI_PHASE_LIVE) {
     JavaThread* current_thread = (JavaThread*) ThreadLocalStorage::thread();
@@ -328,13 +348,13 @@
     __ENTRY(jvmtiEnv*, JvmtiExport::get_jvmti_interface, current_thread)
     debug_only(VMNativeEntryWrapper __vew;)
 
-    JvmtiEnv *jvmti_env = JvmtiEnv::create_a_jvmti();
+    JvmtiEnv *jvmti_env = JvmtiEnv::create_a_jvmti(version);
     *penv = jvmti_env->jvmti_external();  // actual type is jvmtiEnv* -- not to be confused with JvmtiEnv*
     return JNI_OK;
 
   } else if (JvmtiEnv::get_phase() == JVMTI_PHASE_ONLOAD) {
     // not live, no thread to transition
-    JvmtiEnv *jvmti_env = JvmtiEnv::create_a_jvmti();
+    JvmtiEnv *jvmti_env = JvmtiEnv::create_a_jvmti(version);
     *penv = jvmti_env->jvmti_external();  // actual type is jvmtiEnv* -- not to be confused with JvmtiEnv*
     return JNI_OK;
 
@@ -345,6 +365,15 @@
   }
 }
 
+
+void
+JvmtiExport::decode_version_values(jint version, int * major, int * minor,
+                                   int * micro) {
+  *major = (version & JVMTI_VERSION_MASK_MAJOR) >> JVMTI_VERSION_SHIFT_MAJOR;
+  *minor = (version & JVMTI_VERSION_MASK_MINOR) >> JVMTI_VERSION_SHIFT_MINOR;
+  *micro = (version & JVMTI_VERSION_MASK_MICRO) >> JVMTI_VERSION_SHIFT_MICRO;
+}
+
 void JvmtiExport::enter_primordial_phase() {
   JvmtiEnvBase::set_phase(JVMTI_PHASE_PRIMORDIAL);
 }
--- a/src/share/vm/prims/jvmtiExport.hpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/prims/jvmtiExport.hpp	Wed Dec 23 03:12:16 2009 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1998-2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1998-2009 Sun Microsystems, Inc.  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
@@ -236,6 +236,8 @@
   static bool is_jvmti_version(jint version)                      { return (version & JVMTI_VERSION_MASK) == JVMTI_VERSION_VALUE; }
   static bool is_jvmdi_version(jint version)                      { return (version & JVMTI_VERSION_MASK) == JVMDI_VERSION_VALUE; }
   static jint get_jvmti_interface(JavaVM *jvm, void **penv, jint version);
+  static void decode_version_values(jint version, int * major, int * minor,
+                                    int * micro);
 
   // single stepping management methods
   static void at_single_stepping_point(JavaThread *thread, methodOop method, address location) KERNEL_RETURN;
--- a/src/share/vm/prims/jvmtiHpp.xsl	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/prims/jvmtiHpp.xsl	Wed Dec 23 03:12:16 2009 -0800
@@ -1,6 +1,6 @@
 <?xml version="1.0"?> 
 <!--
- Copyright 2002-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ Copyright 2002-2009 Sun Microsystems, Inc.  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
@@ -48,12 +48,12 @@
 
 private:
     
-    JvmtiEnv();
+    JvmtiEnv(jint version);
     ~JvmtiEnv();
 
 public:
 
-    static JvmtiEnv* create_a_jvmti();
+    static JvmtiEnv* create_a_jvmti(jint version);
 
 </xsl:text>
   <xsl:apply-templates select="functionsection"/>
--- a/src/share/vm/runtime/frame.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/runtime/frame.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -1190,9 +1190,19 @@
 
 
 void frame::oops_do_internal(OopClosure* f, CodeBlobClosure* cf, RegisterMap* map, bool use_interpreter_oop_map_cache) {
-         if (is_interpreted_frame())    { oops_interpreted_do(f, map, use_interpreter_oop_map_cache);
-  } else if (is_entry_frame())          { oops_entry_do      (f, map);
-  } else if (CodeCache::contains(pc())) { oops_code_blob_do  (f, cf, map);
+#ifndef PRODUCT
+  // simulate GC crash here to dump java thread in error report
+  if (CrashGCForDumpingJavaThread) {
+    char *t = NULL;
+    *t = 'c';
+  }
+#endif
+  if (is_interpreted_frame()) {
+    oops_interpreted_do(f, map, use_interpreter_oop_map_cache);
+  } else if (is_entry_frame()) {
+    oops_entry_do(f, map);
+  } else if (CodeCache::contains(pc())) {
+    oops_code_blob_do(f, cf, map);
   } else {
     ShouldNotReachHere();
   }
--- a/src/share/vm/runtime/globals.hpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/runtime/globals.hpp	Wed Dec 23 03:12:16 2009 -0800
@@ -2554,6 +2554,9 @@
           "Include miscellaneous runtime verifications in nmethod code; "   \
           "default off because it disturbs nmethod size heuristics")        \
                                                                             \
+  notproduct(bool, CrashGCForDumpingJavaThread, false,                      \
+          "Manually make GC thread crash then dump java stack trace;  "     \
+          "Test only")                                                      \
                                                                             \
   /* compilation */                                                         \
   product(bool, UseCompiler, true,                                          \
--- a/src/share/vm/runtime/os.hpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/runtime/os.hpp	Wed Dec 23 03:12:16 2009 -0800
@@ -60,24 +60,26 @@
 typedef void (*java_call_t)(JavaValue* value, methodHandle* method, JavaCallArguments* args, Thread* thread);
 
 class os: AllStatic {
- private:
+ public:
   enum { page_sizes_max = 9 }; // Size of _page_sizes array (8 plus a sentinel)
 
+ private:
   static OSThread*          _starting_thread;
   static address            _polling_page;
   static volatile int32_t * _mem_serialize_page;
   static uintptr_t          _serialize_page_mask;
+ public:
   static size_t             _page_sizes[page_sizes_max];
 
+ private:
   static void init_page_sizes(size_t default_page_size) {
     _page_sizes[0] = default_page_size;
     _page_sizes[1] = 0; // sentinel
   }
 
  public:
-
-  static void init(void);                       // Called before command line parsing
-  static jint init_2(void);                    // Called after command line parsing
+  static void init(void);   // Called before command line parsing
+  static jint init_2(void); // Called after command line parsing
 
   // File names are case-insensitive on windows only
   // Override me as needed
@@ -141,6 +143,7 @@
   static int processor_count() {
     return _processor_count;
   }
+  static void set_processor_count(int count) { _processor_count = count; }
 
   // Returns the number of CPUs this process is currently allowed to run on.
   // Note that on some OSes this can change dynamically.
--- a/src/share/vm/runtime/thread.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/runtime/thread.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -884,6 +884,22 @@
                                          vmSymbolHandles::void_method_signature(), CHECK);
 }
 
+#ifdef KERNEL
+static void set_jkernel_boot_classloader_hook(TRAPS) {
+  klassOop k = SystemDictionary::sun_jkernel_DownloadManager_klass();
+  instanceKlassHandle klass (THREAD, k);
+
+  if (k == NULL) {
+    // sun.jkernel.DownloadManager may not present in the JDK; just return
+    return;
+  }
+
+  JavaValue result(T_VOID);
+  JavaCalls::call_static(&result, klass, vmSymbolHandles::setBootClassLoaderHook_name(),
+                                         vmSymbolHandles::void_method_signature(), CHECK);
+}
+#endif // KERNEL
+
 static void reset_vm_info_property(TRAPS) {
   // the vm info string
   ResourceMark rm(THREAD);
@@ -975,6 +991,7 @@
 // uniquely named instances should derive from this.
 NamedThread::NamedThread() : Thread() {
   _name = NULL;
+  _processed_thread = NULL;
 }
 
 NamedThread::~NamedThread() {
@@ -2317,6 +2334,27 @@
   frames_do(frame_gc_prologue);
 }
 
+// If the caller is a NamedThread, then remember, in the current scope,
+// the given JavaThread in its _processed_thread field.
+class RememberProcessedThread: public StackObj {
+  NamedThread* _cur_thr;
+public:
+  RememberProcessedThread(JavaThread* jthr) {
+    Thread* thread = Thread::current();
+    if (thread->is_Named_thread()) {
+      _cur_thr = (NamedThread *)thread;
+      _cur_thr->set_processed_thread(jthr);
+    } else {
+      _cur_thr = NULL;
+    }
+  }
+
+  ~RememberProcessedThread() {
+    if (_cur_thr) {
+      _cur_thr->set_processed_thread(NULL);
+    }
+  }
+};
 
 void JavaThread::oops_do(OopClosure* f, CodeBlobClosure* cf) {
   // Flush deferred store-barriers, if any, associated with
@@ -2333,6 +2371,8 @@
           (has_last_Java_frame() && java_call_counter() > 0), "wrong java_sp info!");
 
   if (has_last_Java_frame()) {
+    // Record JavaThread to GC thread
+    RememberProcessedThread rpt(this);
 
     // Traverse the privileged stack
     if (_privileged_stack_top != NULL) {
@@ -3102,6 +3142,12 @@
     vm_exit_during_initialization(Handle(THREAD, PENDING_EXCEPTION));
   }
 
+#ifdef KERNEL
+  if (JDK_Version::is_gte_jdk17x_version()) {
+    set_jkernel_boot_classloader_hook(THREAD);
+  }
+#endif // KERNEL
+
 #ifndef SERIALGC
   // Support for ConcurrentMarkSweep. This should be cleaned up
   // and better encapsulated. The ugly nested if test would go away
--- a/src/share/vm/runtime/thread.hpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/runtime/thread.hpp	Wed Dec 23 03:12:16 2009 -0800
@@ -48,7 +48,12 @@
 
 // Class hierarchy
 // - Thread
-//   - VMThread
+//   - NamedThread
+//     - VMThread
+//     - ConcurrentGCThread
+//     - WorkerThread
+//       - GangWorker
+//       - GCTaskThread
 //   - JavaThread
 //   - WatcherThread
 
@@ -249,6 +254,7 @@
   virtual bool is_GC_task_thread() const             { return false; }
   virtual bool is_Watcher_thread() const             { return false; }
   virtual bool is_ConcurrentGC_thread() const        { return false; }
+  virtual bool is_Named_thread() const               { return false; }
 
   virtual char* name() const { return (char*)"Unknown thread"; }
 
@@ -568,12 +574,18 @@
   };
  private:
   char* _name;
+  // log JavaThread being processed by oops_do
+  JavaThread* _processed_thread;
+
  public:
   NamedThread();
   ~NamedThread();
   // May only be called once per thread.
   void set_name(const char* format, ...);
+  virtual bool is_Named_thread() const { return true; }
   virtual char* name() const { return _name == NULL ? (char*)"Unknown Thread" : _name; }
+  JavaThread *processed_thread() { return _processed_thread; }
+  void set_processed_thread(JavaThread *thread) { _processed_thread = thread; }
 };
 
 // Worker threads are named and have an id of an assigned work.
--- a/src/share/vm/runtime/vmStructs.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/runtime/vmStructs.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -666,6 +666,7 @@
   nonstatic_field(Thread,                      _current_pending_monitor_is_from_java,         bool)                                  \
   nonstatic_field(Thread,                      _current_waiting_monitor,                      ObjectMonitor*)                        \
   nonstatic_field(NamedThread,                 _name,                                         char*)                                 \
+  nonstatic_field(NamedThread,                 _processed_thread,                             JavaThread*)                           \
   nonstatic_field(JavaThread,                  _next,                                         JavaThread*)                           \
   nonstatic_field(JavaThread,                  _threadObj,                                    oop)                                   \
   nonstatic_field(JavaThread,                  _anchor,                                       JavaFrameAnchor)                       \
--- a/src/share/vm/runtime/vmThread.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/runtime/vmThread.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -204,8 +204,8 @@
 }
 
 
-VMThread::VMThread() : Thread() {
-  // nothing to do
+VMThread::VMThread() : NamedThread() {
+  set_name("VM Thread");
 }
 
 void VMThread::destroy() {
--- a/src/share/vm/runtime/vmThread.hpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/runtime/vmThread.hpp	Wed Dec 23 03:12:16 2009 -0800
@@ -83,7 +83,7 @@
 // like scavenge, garbage_collect etc.
 //
 
-class VMThread: public Thread {
+class VMThread: public NamedThread {
  private:
   static ThreadPriority _current_priority;
 
@@ -101,8 +101,6 @@
   bool is_VM_thread() const                      { return true; }
   bool is_GC_thread() const                      { return true; }
 
-  char* name() const { return (char*)"VM Thread"; }
-
   // The ever running loop for the VMThread
   void loop();
 
--- a/src/share/vm/utilities/vmError.cpp	Wed Dec 23 02:57:31 2009 -0800
+++ b/src/share/vm/utilities/vmError.cpp	Wed Dec 23 03:12:16 2009 -0800
@@ -502,6 +502,23 @@
 #endif // ZERO
      }
 
+  STEP(135, "(printing target Java thread stack)" )
+
+     // printing Java thread stack trace if it is involved in GC crash
+     if (_verbose && (_thread->is_Named_thread())) {
+       JavaThread*  jt = ((NamedThread *)_thread)->processed_thread();
+       if (jt != NULL) {
+         st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id());
+         if (jt->has_last_Java_frame()) {
+           st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)");
+           for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) {
+             sfs.current()->print_on_error(st, buf, sizeof(buf), true);
+             st->cr();
+           }
+         }
+       }
+     }
+
   STEP(140, "(printing VM operation)" )
 
      if (_verbose && _thread && _thread->is_VM_thread()) {