diff --git a/.hgtags-top-repo b/.hgtags-top-repo index 9c7560ce460..2ab754ea198 100644 --- a/.hgtags-top-repo +++ b/.hgtags-top-repo @@ -374,3 +374,4 @@ b30ae794d974d7dd3eb4e84203f70021823fa6c6 jdk-9+128 f5902d3841b82cac6e7716a20c24e8e916fb14a8 jdk-9+129 d94d54a3192fea79234c3ac55cd0b4052d45e954 jdk-9+130 8728756c2f70a79a90188f4019cfd6b9a275765c jdk-9+131 +a24702d4d5ab0015a5c553ed57f66fce7d85155e jdk-9+132 diff --git a/common/autoconf/spec.gmk.in b/common/autoconf/spec.gmk.in index e4d41e81b43..c591a79d327 100644 --- a/common/autoconf/spec.gmk.in +++ b/common/autoconf/spec.gmk.in @@ -251,8 +251,6 @@ SUPPORT_HEADLESS:=@SUPPORT_HEADLESS@ # Legacy support USE_NEW_HOTSPOT_BUILD:=@USE_NEW_HOTSPOT_BUILD@ -MACOSX_UNIVERSAL=@MACOSX_UNIVERSAL@ - # JDK_OUTPUTDIR specifies where a working jvm is built. # You can run $(JDK_OUTPUTDIR)/bin/java # Though the layout of the contents of $(JDK_OUTPUTDIR) is not diff --git a/hotspot/.hgtags b/hotspot/.hgtags index ada9a1ad431..dd85a0e3b2b 100644 --- a/hotspot/.hgtags +++ b/hotspot/.hgtags @@ -534,3 +534,4 @@ adc8c84b7cf8c540d920182f78a2bc982366432a jdk-9+126 e96b34b76d863ed1fa04e0eeb3f297ac17b490fd jdk-9+129 7d54c7056328b6a2bf4877458b8f4d8cd870f93b jdk-9+130 943bf73b49c33c2d7cbd796f6a4ae3c7a00ae932 jdk-9+131 +713951c08aa26813375175c2ab6cc99ff2a56903 jdk-9+132 diff --git a/hotspot/make/Dist.gmk b/hotspot/make/Dist.gmk index bfe3daf2062..710de55960c 100644 --- a/hotspot/make/Dist.gmk +++ b/hotspot/make/Dist.gmk @@ -45,15 +45,6 @@ else LIB_SUBDIR := lib$(OPENJDK_TARGET_CPU_LIBDIR) endif -################################################################################ -# Functions to setup copying of files for variants - -# Support macro for SetupDistLibFile -define macosx_universalize - $(MKDIR) -p $(@D) - $(LIPO) -create -output $@ $< -endef - ################################################################################ # Setup make rules to copy a native library and associated data. # @@ -74,16 +65,9 @@ define SetupDistLibFileBody $1_LIB_NAME := $(LIBRARY_PREFIX)$$($1_NAME) $1_TARGET_DIR := $$(DIST_OUTPUTDIR)/$$(LIB_SUBDIR)/$$($1_VARIANT_TARGET_DIR) - ifeq ($(OPENJDK_TARGET_OS), macosx) - # We must use the 'universalize' macro to run lipo on shared libraries, at - # least until JDK-8069540 is fixed. - $1_MACRO := macosx_universalize - endif - # Copy the the native library. $$(eval $$(call SetupCopyFiles, $1_COPY_LIB, \ DEST := $$($1_TARGET_DIR), \ - MACRO := $$($1_MACRO), \ FILES := $$(wildcard \ $$($1_SRC_DIR)/$$($1_LIB_NAME)$(SHARED_LIBRARY_SUFFIX)), \ )) diff --git a/hotspot/make/test/JtregNative.gmk b/hotspot/make/test/JtregNative.gmk index efb108ad9f0..ce4a0319909 100644 --- a/hotspot/make/test/JtregNative.gmk +++ b/hotspot/make/test/JtregNative.gmk @@ -50,7 +50,6 @@ BUILD_HOTSPOT_JTREG_NATIVE_SRC := \ $(HOTSPOT_TOPDIR)/test/runtime/BoolReturn \ $(HOTSPOT_TOPDIR)/test/compiler/floatingpoint/ \ $(HOTSPOT_TOPDIR)/test/compiler/calls \ - $(HOTSPOT_TOPDIR)/test/compiler/native \ $(HOTSPOT_TOPDIR)/test/serviceability/jvmti/GetNamedModule \ $(HOTSPOT_TOPDIR)/test/testlibrary/jvmti \ $(HOTSPOT_TOPDIR)/test/compiler/jvmci/jdk.vm.ci.code.test \ diff --git a/hotspot/src/cpu/aarch64/vm/frame_aarch64.cpp b/hotspot/src/cpu/aarch64/vm/frame_aarch64.cpp index 42c61b9a33f..473c4bc67eb 100644 --- a/hotspot/src/cpu/aarch64/vm/frame_aarch64.cpp +++ b/hotspot/src/cpu/aarch64/vm/frame_aarch64.cpp @@ -110,17 +110,7 @@ bool frame::safe_for_sender(JavaThread *thread) { // Entry frame checks if (is_entry_frame()) { // an entry frame must have a valid fp. - - if (!fp_safe) return false; - - // Validate the JavaCallWrapper an entry frame must have - - address jcw = (address)entry_frame_call_wrapper(); - - bool jcw_safe = (jcw < thread->stack_base()) && ( jcw > fp); - - return jcw_safe; - + return fp_safe && is_entry_frame_valid(thread); } intptr_t* sender_sp = NULL; @@ -210,15 +200,8 @@ bool frame::safe_for_sender(JavaThread *thread) { } // construct the potential sender - frame sender(sender_sp, sender_unextended_sp, saved_fp, sender_pc); - - // Validate the JavaCallWrapper an entry frame must have - address jcw = (address)sender.entry_frame_call_wrapper(); - - bool jcw_safe = (jcw < thread->stack_base()) && ( jcw > (address)sender.fp()); - - return jcw_safe; + return sender.is_entry_frame_valid(thread); } CompiledMethod* nm = sender_blob->as_compiled_method_or_null(); diff --git a/hotspot/src/cpu/sparc/vm/frame_sparc.cpp b/hotspot/src/cpu/sparc/vm/frame_sparc.cpp index ab6aeeeeabf..f1664a2b6df 100644 --- a/hotspot/src/cpu/sparc/vm/frame_sparc.cpp +++ b/hotspot/src/cpu/sparc/vm/frame_sparc.cpp @@ -225,19 +225,7 @@ bool frame::safe_for_sender(JavaThread *thread) { // Entry frame checks if (is_entry_frame()) { // an entry frame must have a valid fp. - - if (!fp_safe) { - return false; - } - - // Validate the JavaCallWrapper an entry frame must have - - address jcw = (address)entry_frame_call_wrapper(); - - bool jcw_safe = (jcw <= thread->stack_base()) && ( jcw > _FP); - - return jcw_safe; - + return fp_safe && is_entry_frame_valid(thread); } intptr_t* younger_sp = sp(); @@ -290,14 +278,8 @@ bool frame::safe_for_sender(JavaThread *thread) { return false; } - if( sender.is_entry_frame()) { - // Validate the JavaCallWrapper an entry frame must have - - address jcw = (address)sender.entry_frame_call_wrapper(); - - bool jcw_safe = (jcw <= thread->stack_base()) && ( jcw > sender_fp); - - return jcw_safe; + if (sender.is_entry_frame()) { + return sender.is_entry_frame_valid(thread); } // If the frame size is 0 something (or less) is bad because every nmethod has a non-zero frame size @@ -357,12 +339,6 @@ void frame::init(intptr_t* sp, address pc, CodeBlob* cb) { _cb = CodeCache::find_blob(_pc); } _deopt_state = unknown; -#ifdef ASSERT - if ( _cb != NULL && _cb->is_compiled()) { - // Without a valid unextended_sp() we can't convert the pc to "original" - assert(!((CompiledMethod*)_cb)->is_deopt_pc(_pc), "invariant broken"); - } -#endif // ASSERT } frame::frame(intptr_t* sp, unpatchable_t, address pc, CodeBlob* cb) { @@ -534,6 +510,7 @@ frame frame::sender(RegisterMap* map) const { void frame::patch_pc(Thread* thread, address pc) { + vmassert(_deopt_state != unknown, "frame is unpatchable"); if(thread == Thread::current()) { StubRoutines::Sparc::flush_callers_register_windows_func()(); } diff --git a/hotspot/src/cpu/x86/vm/frame_x86.cpp b/hotspot/src/cpu/x86/vm/frame_x86.cpp index ae8628c05d2..1db4b424cf5 100644 --- a/hotspot/src/cpu/x86/vm/frame_x86.cpp +++ b/hotspot/src/cpu/x86/vm/frame_x86.cpp @@ -108,17 +108,7 @@ bool frame::safe_for_sender(JavaThread *thread) { // Entry frame checks if (is_entry_frame()) { // an entry frame must have a valid fp. - - if (!fp_safe) return false; - - // Validate the JavaCallWrapper an entry frame must have - - address jcw = (address)entry_frame_call_wrapper(); - - bool jcw_safe = (jcw < thread->stack_base()) && ( jcw > fp); - - return jcw_safe; - + return fp_safe && is_entry_frame_valid(thread); } intptr_t* sender_sp = NULL; @@ -209,15 +199,8 @@ bool frame::safe_for_sender(JavaThread *thread) { } // construct the potential sender - frame sender(sender_sp, sender_unextended_sp, saved_fp, sender_pc); - - // Validate the JavaCallWrapper an entry frame must have - address jcw = (address)sender.entry_frame_call_wrapper(); - - bool jcw_safe = (jcw < thread->stack_base()) && ( jcw > (address)sender.fp()); - - return jcw_safe; + return sender.is_entry_frame_valid(thread); } CompiledMethod* nm = sender_blob->as_compiled_method_or_null(); diff --git a/hotspot/src/cpu/x86/vm/interp_masm_x86.cpp b/hotspot/src/cpu/x86/vm/interp_masm_x86.cpp index 15cf1f751a7..f3ae96f05a1 100644 --- a/hotspot/src/cpu/x86/vm/interp_masm_x86.cpp +++ b/hotspot/src/cpu/x86/vm/interp_masm_x86.cpp @@ -1071,6 +1071,9 @@ void InterpreterMacroAssembler::remove_activation( NOT_LP64(get_thread(rthread);) + cmpl(Address(rthread, JavaThread::stack_guard_state_offset()), JavaThread::stack_guard_enabled); + jcc(Assembler::equal, no_reserved_zone_enabling); + cmpptr(rbx, Address(rthread, JavaThread::reserved_stack_activation_offset())); jcc(Assembler::lessEqual, no_reserved_zone_enabling); diff --git a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/SALauncher.java b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/SALauncher.java index 8513c109bb6..3d4c2db9362 100644 --- a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/SALauncher.java +++ b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/SALauncher.java @@ -255,7 +255,8 @@ public class SALauncher { } buildAttachArgs(newArgs, pid, exe, core, false); - JStack.main(newArgs.toArray(new String[newArgs.size()])); + JStack jstack = new JStack(false, false); + jstack.runWithArgs(newArgs.toArray(new String[newArgs.size()])); } private static void runJMAP(String[] oldArgs) { diff --git a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/BreakpointInfo.java b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/BreakpointInfo.java index 207810dd99b..7519520d7da 100644 --- a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/BreakpointInfo.java +++ b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/BreakpointInfo.java @@ -1,5 +1,5 @@ /* - * Copyright (c) 2002, 2016 Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2002, 2016, 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 diff --git a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/MethodCounters.java b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/MethodCounters.java index ce6ba6c8f37..5f74240ff4b 100644 --- a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/MethodCounters.java +++ b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/MethodCounters.java @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013, 2016 Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013, 2016, 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 diff --git a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/ppc64/PPC64Frame.java b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/ppc64/PPC64Frame.java index 5937f7f19a2..49849f9240c 100644 --- a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/ppc64/PPC64Frame.java +++ b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/ppc64/PPC64Frame.java @@ -46,7 +46,6 @@ public class PPC64Frame extends Frame { private static final int SENDER_SP_OFFSET = 0; // Interpreter frames - private static final int INTERPRETER_FRAME_MIRROR_OFFSET = -3; // for native calls only private static final int INTERPRETER_FRAME_SENDER_SP_OFFSET = -4; private static final int INTERPRETER_FRAME_LAST_SP_OFFSET = INTERPRETER_FRAME_SENDER_SP_OFFSET - 1; private static final int INTERPRETER_FRAME_MDX_OFFSET = INTERPRETER_FRAME_LAST_SP_OFFSET -1; @@ -55,7 +54,8 @@ public class PPC64Frame extends Frame { private static final int INTERPRETER_FRAME_CACHE_OFFSET =INTERPRETER_FRAME_BCX_OFFSET - 1; private static final int INTERPRETER_FRAME_MONITORS_OFFSET = INTERPRETER_FRAME_CACHE_OFFSET - 1; private static final int INTERPRETER_FRAME_LOCALS_OFFSET = INTERPRETER_FRAME_MONITORS_OFFSET - 1; - private static final int INTERPRETER_FRAME_METHOD_OFFSET = INTERPRETER_FRAME_LOCALS_OFFSET - 1; + private static final int INTERPRETER_FRAME_MIRROR_OFFSET = INTERPRETER_FRAME_LOCALS_OFFSET - 1; + private static final int INTERPRETER_FRAME_METHOD_OFFSET = INTERPRETER_FRAME_MIRROR_OFFSET - 1; private static final int INTERPRETER_FRAME_INITIAL_SP_OFFSET = INTERPRETER_FRAME_BCX_OFFSET - 1; // FIXME: probably wrong, but unused anyway private static final int INTERPRETER_FRAME_MONITOR_BLOCK_TOP_OFFSET = INTERPRETER_FRAME_INITIAL_SP_OFFSET; private static final int INTERPRETER_FRAME_MONITOR_BLOCK_BOTTOM_OFFSET = INTERPRETER_FRAME_INITIAL_SP_OFFSET; diff --git a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/sparc/SPARCFrame.java b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/sparc/SPARCFrame.java index bbb1dfa7e44..afa4660691f 100644 --- a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/sparc/SPARCFrame.java +++ b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/sparc/SPARCFrame.java @@ -714,11 +714,7 @@ public class SPARCFrame extends Frame { /** 2 words, also used to save float regs across calls to C */ public static final int INTERPRETER_FRAME_D_SCRATCH_FP_OFFSET = -2; public static final int INTERPRETER_FRAME_L_SCRATCH_FP_OFFSET = -4; - /** For native calls only */ - public static final int INTERPRETER_FRAME_PADDING_OFFSET = -5; - /** For native calls only */ - public static final int INTERPRETER_FRAME_MIRROR_OFFSET = -6; - /** Should be same as above, and should be zero mod 8 */ + public static final int INTERPRETER_FRAME_MIRROR_OFFSET = -5; public static final int INTERPRETER_FRAME_VM_LOCALS_FP_OFFSET = -6; public static final int INTERPRETER_FRAME_VM_LOCAL_WORDS = -INTERPRETER_FRAME_VM_LOCALS_FP_OFFSET; diff --git a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/x86/X86Frame.java b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/x86/X86Frame.java index 51e2b6e8089..65488fe96c6 100644 --- a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/x86/X86Frame.java +++ b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/x86/X86Frame.java @@ -48,10 +48,10 @@ public class X86Frame extends Frame { private static final int SENDER_SP_OFFSET = 2; // Interpreter frames - private static final int INTERPRETER_FRAME_MIRROR_OFFSET = 2; // for native calls only private static final int INTERPRETER_FRAME_SENDER_SP_OFFSET = -1; private static final int INTERPRETER_FRAME_LAST_SP_OFFSET = INTERPRETER_FRAME_SENDER_SP_OFFSET - 1; private static final int INTERPRETER_FRAME_METHOD_OFFSET = INTERPRETER_FRAME_LAST_SP_OFFSET - 1; + private static int INTERPRETER_FRAME_MIRROR_OFFSET; private static int INTERPRETER_FRAME_MDX_OFFSET; // Non-core builds only private static int INTERPRETER_FRAME_CACHE_OFFSET; private static int INTERPRETER_FRAME_LOCALS_OFFSET; @@ -74,7 +74,8 @@ public class X86Frame extends Frame { } private static synchronized void initialize(TypeDataBase db) { - INTERPRETER_FRAME_MDX_OFFSET = INTERPRETER_FRAME_METHOD_OFFSET - 1; + INTERPRETER_FRAME_MIRROR_OFFSET = INTERPRETER_FRAME_METHOD_OFFSET - 1; + INTERPRETER_FRAME_MDX_OFFSET = INTERPRETER_FRAME_MIRROR_OFFSET - 1; INTERPRETER_FRAME_CACHE_OFFSET = INTERPRETER_FRAME_MDX_OFFSET - 1; INTERPRETER_FRAME_LOCALS_OFFSET = INTERPRETER_FRAME_CACHE_OFFSET - 1; INTERPRETER_FRAME_BCX_OFFSET = INTERPRETER_FRAME_LOCALS_OFFSET - 1; diff --git a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/utilities/ObjectReader.java b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/utilities/ObjectReader.java index 1a8afe111eb..9cb559bf31c 100644 --- a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/utilities/ObjectReader.java +++ b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/utilities/ObjectReader.java @@ -26,6 +26,7 @@ package sun.jvm.hotspot.utilities; import java.lang.reflect.Modifier; import java.util.*; +import java.util.stream.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.oops.*; import sun.jvm.hotspot.runtime.*; @@ -204,15 +205,29 @@ public class ObjectReader { } } - protected Object getHashtable(Instance oop, boolean isProperties) { + private void setPropertiesEntry(java.util.Properties p, Oop oop) { + InstanceKlass ik = (InstanceKlass)oop.getKlass(); + OopField keyField = (OopField)ik.findField("key", "Ljava/lang/Object;"); + OopField valueField = (OopField)ik.findField("val", "Ljava/lang/Object;"); + + try { + p.setProperty((String)readObject(keyField.getValue(oop)), + (String)readObject(valueField.getValue(oop))); + } catch (ClassNotFoundException ce) { + if (DEBUG) { + debugPrintStackTrace(ce); + } + } + } + + protected Object getHashtable(Instance oop) { InstanceKlass k = (InstanceKlass)oop.getKlass(); OopField tableField = (OopField)k.findField("table", "[Ljava/util/Hashtable$Entry;"); if (tableField == null) { debugPrintln("Could not find field of [Ljava/util/Hashtable$Entry;"); return null; } - java.util.Hashtable table = (isProperties) ? new java.util.Properties() - : new java.util.Hashtable(); + java.util.Hashtable table = new java.util.Hashtable(); ObjArray kvs = (ObjArray)tableField.getValue(oop); long size = kvs.getLength(); debugPrintln("Hashtable$Entry Size = " + size); @@ -225,6 +240,39 @@ public class ObjectReader { return table; } + private Properties getProperties(Instance oop) { + InstanceKlass k = (InstanceKlass)oop.getKlass(); + OopField mapField = (OopField)k.findField("map", "Ljava/util/concurrent/ConcurrentHashMap;"); + if (mapField == null) { + debugPrintln("Could not find field of Ljava/util/concurrent/ConcurrentHashMap"); + return null; + } + + Instance mapObj = (Instance)mapField.getValue(oop); + if (mapObj == null) { + debugPrintln("Could not get map field from java.util.Properties"); + return null; + } + + InstanceKlass mk = (InstanceKlass)mapObj.getKlass(); + OopField tableField = (OopField)mk.findField("table", "[Ljava/util/concurrent/ConcurrentHashMap$Node;"); + if (tableField == null) { + debugPrintln("Could not find field of [Ljava/util/concurrent/ConcurrentHashMap$Node"); + return null; + } + + java.util.Properties props = new java.util.Properties(); + ObjArray kvs = (ObjArray)tableField.getValue(mapObj); + long size = kvs.getLength(); + debugPrintln("ConcurrentHashMap$Node Size = " + size); + LongStream.range(0, size) + .mapToObj(kvs::getObjAt) + .filter(o -> o != null) + .forEach(o -> setPropertiesEntry(props, o)); + + return props; + } + public Object readInstance(Instance oop) throws ClassNotFoundException { Object result = getFromObjTable(oop); if (result == null) { @@ -240,11 +288,11 @@ public class ObjectReader { } if (kls.getName().equals(javaUtilHashtable())) { - return getHashtable(oop, false); + return getHashtable(oop); } if (kls.getName().equals(javaUtilProperties())) { - return getHashtable(oop, true); + return getProperties(oop); } Class clz = readClass(kls); diff --git a/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/CompilerToVM.java b/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/CompilerToVM.java index 72f9d18caa3..c96da48e6fc 100644 --- a/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/CompilerToVM.java +++ b/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/CompilerToVM.java @@ -265,9 +265,10 @@ final class CompilerToVM { native HotSpotResolvedObjectTypeImpl resolveTypeInPool(HotSpotConstantPool constantPool, int cpi) throws LinkageError; /** - * Looks up and attempts to resolve the {@code JVM_CONSTANT_Field} entry for at index {@code cpi} in - * {@code constantPool}. For some opcodes, checks are performed that require the {@code method} - * that contains {@code opcode} to be specified. The values returned in {@code info} are: + * Looks up and attempts to resolve the {@code JVM_CONSTANT_Field} entry for at index + * {@code cpi} in {@code constantPool}. For some opcodes, checks are performed that require the + * {@code method} that contains {@code opcode} to be specified. The values returned in + * {@code info} are: * *
      *     [(int) flags,   // only valid if field is resolved
@@ -556,20 +557,18 @@ final class CompilerToVM {
     native HotSpotResolvedJavaMethodImpl getResolvedJavaMethod(Object base, long displacement);
 
     /**
-     * Read a HotSpot ConstantPool* value from the memory location described by {@code base} plus
-     * {@code displacement} and return the {@link HotSpotConstantPool} wrapping it. This method does
-     * no checking that the memory location actually contains a valid pointer and may crash the VM
-     * if an invalid location is provided. If the {@code base} is null then {@code displacement} is
-     * used by itself. If {@code base} is a {@link HotSpotResolvedJavaMethodImpl},
-     * {@link HotSpotConstantPool} or {@link HotSpotResolvedObjectTypeImpl} then the metaspace
-     * pointer is fetched from that object and added to {@code displacement}. Any other non-null
-     * object type causes an {@link IllegalArgumentException} to be thrown.
+     * Gets the {@code ConstantPool*} associated with {@code object} and returns a
+     * {@link HotSpotConstantPool} wrapping it.
      *
-     * @param base an object to read from or null
-     * @param displacement
-     * @return null or the resolved method for this location
+     * @param object a {@link HotSpotResolvedJavaMethodImpl} or
+     *            {@link HotSpotResolvedObjectTypeImpl} object
+     * @return a {@link HotSpotConstantPool} wrapping the {@code ConstantPool*} associated with
+     *         {@code object}
+     * @throws NullPointerException if {@code object == null}
+     * @throws IllegalArgumentException if {@code object} is neither a
+     *             {@link HotSpotResolvedJavaMethodImpl} nor a {@link HotSpotResolvedObjectTypeImpl}
      */
-    native HotSpotConstantPool getConstantPool(Object base, long displacement);
+    native HotSpotConstantPool getConstantPool(Object object);
 
     /**
      * Read a HotSpot Klass* value from the memory location described by {@code base} plus
diff --git a/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl.java b/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl.java
index b861b2cec99..196616c4d61 100644
--- a/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl.java
+++ b/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl.java
@@ -121,7 +121,7 @@ final class HotSpotResolvedJavaMethodImpl extends HotSpotMethod implements HotSp
         if (metaspaceConstantPool == holder.getConstantPool().getMetaspaceConstantPool()) {
             this.constantPool = holder.getConstantPool();
         } else {
-            this.constantPool = compilerToVM().getConstantPool(null, constMethod + config.constMethodConstantsOffset);
+            this.constantPool = compilerToVM().getConstantPool(this);
         }
 
         final int nameIndex = UNSAFE.getChar(constMethod + config.constMethodNameIndexOffset);
diff --git a/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl.java b/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl.java
index 636c26c2c6c..b2ff5b32491 100644
--- a/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl.java
+++ b/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl.java
@@ -445,7 +445,7 @@ final class HotSpotResolvedObjectTypeImpl extends HotSpotResolvedJavaType implem
              * operating on the latest one and that HotSpotResolvedJavaMethodImpls will be able to
              * use the shared copy instead of creating their own instance.
              */
-            constantPool = compilerToVM().getConstantPool(this, config().instanceKlassConstantsOffset);
+            constantPool = compilerToVM().getConstantPool(this);
         }
         return constantPool;
     }
diff --git a/hotspot/src/os/aix/vm/os_aix.cpp b/hotspot/src/os/aix/vm/os_aix.cpp
index 42aa1a635a9..dffad2b7f3f 100644
--- a/hotspot/src/os/aix/vm/os_aix.cpp
+++ b/hotspot/src/os/aix/vm/os_aix.cpp
@@ -2686,7 +2686,8 @@ void os::hint_no_preempt() {}
 //      - sets target osthread state to continue
 //      - sends signal to end the sigsuspend loop in the SR_handler
 //
-//  Note that the SR_lock plays no role in this suspend/resume protocol.
+//  Note that the SR_lock plays no role in this suspend/resume protocol,
+//  but is checked for NULL in SR_handler as a thread termination indicator.
 //
 
 static void resume_clear_context(OSThread *osthread) {
@@ -2718,10 +2719,23 @@ static void SR_handler(int sig, siginfo_t* siginfo, ucontext_t* context) {
   // after sigsuspend.
   int old_errno = errno;
 
-  Thread* thread = Thread::current();
-  OSThread* osthread = thread->osthread();
+  Thread* thread = Thread::current_or_null_safe();
+  assert(thread != NULL, "Missing current thread in SR_handler");
+
+  // On some systems we have seen signal delivery get "stuck" until the signal
+  // mask is changed as part of thread termination. Check that the current thread
+  // has not already terminated (via SR_lock()) - else the following assertion
+  // will fail because the thread is no longer a JavaThread as the ~JavaThread
+  // destructor has completed.
+
+  if (thread->SR_lock() == NULL) {
+    return;
+  }
+
   assert(thread->is_VM_thread() || thread->is_Java_thread(), "Must be VMThread or JavaThread");
 
+  OSThread* osthread = thread->osthread();
+
   os::SuspendResume::State current = osthread->sr.state();
   if (current == os::SuspendResume::SR_SUSPEND_REQUEST) {
     suspend_save_context(osthread, siginfo, context);
diff --git a/hotspot/src/os/bsd/vm/os_bsd.cpp b/hotspot/src/os/bsd/vm/os_bsd.cpp
index 738144baf3b..a40175df89c 100644
--- a/hotspot/src/os/bsd/vm/os_bsd.cpp
+++ b/hotspot/src/os/bsd/vm/os_bsd.cpp
@@ -2716,7 +2716,8 @@ void os::hint_no_preempt() {}
 //      - sets target osthread state to continue
 //      - sends signal to end the sigsuspend loop in the SR_handler
 //
-//  Note that the SR_lock plays no role in this suspend/resume protocol.
+//  Note that the SR_lock plays no role in this suspend/resume protocol,
+//  but is checked for NULL in SR_handler as a thread termination indicator.
 
 static void resume_clear_context(OSThread *osthread) {
   osthread->set_ucontext(NULL);
@@ -2746,10 +2747,23 @@ static void SR_handler(int sig, siginfo_t* siginfo, ucontext_t* context) {
   // after sigsuspend.
   int old_errno = errno;
 
-  Thread* thread = Thread::current();
-  OSThread* osthread = thread->osthread();
+  Thread* thread = Thread::current_or_null_safe();
+  assert(thread != NULL, "Missing current thread in SR_handler");
+
+  // On some systems we have seen signal delivery get "stuck" until the signal
+  // mask is changed as part of thread termination. Check that the current thread
+  // has not already terminated (via SR_lock()) - else the following assertion
+  // will fail because the thread is no longer a JavaThread as the ~JavaThread
+  // destructor has completed.
+
+  if (thread->SR_lock() == NULL) {
+    return;
+  }
+
   assert(thread->is_VM_thread() || thread->is_Java_thread(), "Must be VMThread or JavaThread");
 
+  OSThread* osthread = thread->osthread();
+
   os::SuspendResume::State current = osthread->sr.state();
   if (current == os::SuspendResume::SR_SUSPEND_REQUEST) {
     suspend_save_context(osthread, siginfo, context);
diff --git a/hotspot/src/os/linux/vm/os_linux.cpp b/hotspot/src/os/linux/vm/os_linux.cpp
index b8c1a72ae4a..5f4f1174c9d 100644
--- a/hotspot/src/os/linux/vm/os_linux.cpp
+++ b/hotspot/src/os/linux/vm/os_linux.cpp
@@ -3971,7 +3971,8 @@ void os::hint_no_preempt() {}
 //      - sets target osthread state to continue
 //      - sends signal to end the sigsuspend loop in the SR_handler
 //
-//  Note that the SR_lock plays no role in this suspend/resume protocol.
+//  Note that the SR_lock plays no role in this suspend/resume protocol,
+//  but is checked for NULL in SR_handler as a thread termination indicator.
 
 static void resume_clear_context(OSThread *osthread) {
   osthread->set_ucontext(NULL);
@@ -4004,9 +4005,21 @@ static void SR_handler(int sig, siginfo_t* siginfo, ucontext_t* context) {
 
   Thread* thread = Thread::current_or_null_safe();
   assert(thread != NULL, "Missing current thread in SR_handler");
-  OSThread* osthread = thread->osthread();
+
+  // On some systems we have seen signal delivery get "stuck" until the signal
+  // mask is changed as part of thread termination. Check that the current thread
+  // has not already terminated (via SR_lock()) - else the following assertion
+  // will fail because the thread is no longer a JavaThread as the ~JavaThread
+  // destructor has completed.
+
+  if (thread->SR_lock() == NULL) {
+    return;
+  }
+
   assert(thread->is_VM_thread() || thread->is_Java_thread(), "Must be VMThread or JavaThread");
 
+  OSThread* osthread = thread->osthread();
+
   os::SuspendResume::State current = osthread->sr.state();
   if (current == os::SuspendResume::SR_SUSPEND_REQUEST) {
     suspend_save_context(osthread, siginfo, context);
diff --git a/hotspot/src/os/posix/vm/os_posix.cpp b/hotspot/src/os/posix/vm/os_posix.cpp
index 6ed034c3bf5..2b7407dc985 100644
--- a/hotspot/src/os/posix/vm/os_posix.cpp
+++ b/hotspot/src/os/posix/vm/os_posix.cpp
@@ -93,10 +93,6 @@ void os::check_dump_limit(char* buffer, size_t bufferSize) {
 }
 
 int os::get_native_stack(address* stack, int frames, int toSkip) {
-#ifdef _NMT_NOINLINE_
-  toSkip++;
-#endif
-
   int frame_idx = 0;
   int num_of_frames;  // number of frames captured
   frame fr = os::current_frame();
diff --git a/hotspot/src/os/windows/vm/os_windows.cpp b/hotspot/src/os/windows/vm/os_windows.cpp
index bd85cf01e61..5dfdab012d6 100644
--- a/hotspot/src/os/windows/vm/os_windows.cpp
+++ b/hotspot/src/os/windows/vm/os_windows.cpp
@@ -318,9 +318,6 @@ extern "C" void breakpoint() {
 // only supported on Windows XP or later.
 //
 int os::get_native_stack(address* stack, int frames, int toSkip) {
-#ifdef _NMT_NOINLINE_
-  toSkip++;
-#endif
   int captured = RtlCaptureStackBackTrace(toSkip + 1, frames, (PVOID*)stack, NULL);
   for (int index = captured; index < frames; index ++) {
     stack[index] = NULL;
diff --git a/hotspot/src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp b/hotspot/src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp
index 5f7d479726c..0bdbc7c3aaa 100644
--- a/hotspot/src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp
+++ b/hotspot/src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp
@@ -417,7 +417,15 @@ intptr_t* _get_previous_fp() {
 #else
   register intptr_t **ebp __asm__ (SPELL_REG_FP);
 #endif
-  return (intptr_t*) *ebp;   // we want what it points to.
+  // ebp is for this frame (_get_previous_fp). We want the ebp for the
+  // caller of os::current_frame*(), so go up two frames. However, for
+  // optimized builds, _get_previous_fp() will be inlined, so only go
+  // up 1 frame in that case.
+#ifdef _NMT_NOINLINE_
+  return **(intptr_t***)ebp;
+#else
+  return *ebp;
+#endif
 }
 
 
diff --git a/hotspot/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp b/hotspot/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp
index 0003988860c..554dfa42286 100644
--- a/hotspot/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp
+++ b/hotspot/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp
@@ -238,6 +238,28 @@ JVM_handle_linux_signal(int sig,
     }
   }
 
+  // Make the signal handler transaction-aware by checking the existence of a
+  // second (transactional) context with MSR TS bits active. If the signal is
+  // caught during a transaction, then just return to the HTM abort handler.
+  // Please refer to Linux kernel document powerpc/transactional_memory.txt,
+  // section "Signals".
+  if (uc && uc->uc_link) {
+    ucontext_t* second_uc = uc->uc_link;
+
+    // MSR TS bits are 29 and 30 (Power ISA, v2.07B, Book III-S, pp. 857-858,
+    // 3.2.1 "Machine State Register"), however note that ISA notation for bit
+    // numbering is MSB 0, so for normal bit numbering (LSB 0) they come to be
+    // bits 33 and 34. It's not related to endianness, just a notation matter.
+    if (second_uc->uc_mcontext.regs->msr & 0x600000000) {
+      if (TraceTraps) {
+        tty->print_cr("caught signal in transaction, "
+                        "ignoring to jump to abort handler");
+      }
+      // Return control to the HTM abort handler.
+      return true;
+    }
+  }
+
   JavaThread* thread = NULL;
   VMThread* vmthread = NULL;
   if (os::Linux::signal_handlers_are_installed) {
diff --git a/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp b/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp
index 06a8a6eb5f1..6eeb1280c82 100644
--- a/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp
+++ b/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp
@@ -235,7 +235,15 @@ intptr_t* _get_previous_fp() {
 #else
   register intptr_t **ebp __asm__ (SPELL_REG_FP);
 #endif
-  return (intptr_t*) *ebp;   // we want what it points to.
+  // ebp is for this frame (_get_previous_fp). We want the ebp for the
+  // caller of os::current_frame*(), so go up two frames. However, for
+  // optimized builds, _get_previous_fp() will be inlined, so only go
+  // up 1 frame in that case.
+#ifdef _NMT_NOINLINE_
+  return **(intptr_t***)ebp;
+#else
+  return *ebp;
+#endif
 }
 
 
diff --git a/hotspot/src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp b/hotspot/src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp
index 328ac2ebc7a..7713550f374 100644
--- a/hotspot/src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp
+++ b/hotspot/src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp
@@ -292,15 +292,19 @@ extern "C" intptr_t *_get_current_fp();  // in .il file
 
 frame os::current_frame() {
   intptr_t* fp = _get_current_fp();  // it's inlined so want current fp
+  // fp is for os::current_frame. We want the fp for our caller.
   frame myframe((intptr_t*)os::current_stack_pointer(),
                 (intptr_t*)fp,
                 CAST_FROM_FN_PTR(address, os::current_frame));
-  if (os::is_first_C_frame(&myframe)) {
+  frame caller_frame = os::get_sender_for_C_frame(&myframe);
+
+  if (os::is_first_C_frame(&caller_frame)) {
     // stack is not walkable
     frame ret; // This will be a null useless frame
     return ret;
   } else {
-    return os::get_sender_for_C_frame(&myframe);
+    // return frame for our caller's caller
+    return os::get_sender_for_C_frame(&caller_frame);
   }
 }
 
diff --git a/hotspot/src/os_cpu/windows_x86/vm/os_windows_x86.cpp b/hotspot/src/os_cpu/windows_x86/vm/os_windows_x86.cpp
index efb1b3b0851..f3df7d386d6 100644
--- a/hotspot/src/os_cpu/windows_x86/vm/os_windows_x86.cpp
+++ b/hotspot/src/os_cpu/windows_x86/vm/os_windows_x86.cpp
@@ -496,7 +496,15 @@ intptr_t* _get_previous_fp() {
   __asm {
     mov frameptr, ebp
   };
+  // ebp (frameptr) is for this frame (_get_previous_fp). We want the ebp for the
+  // caller of os::current_frame*(), so go up two frames. However, for
+  // optimized builds, _get_previous_fp() will be inlined, so only go
+  // up 1 frame in that case.
+#ifdef _NMT_NOINLINE_
+  return **(intptr_t***)frameptr;
+#else
   return *frameptr;
+#endif
 }
 #endif // !AMD64
 
diff --git a/hotspot/src/share/vm/classfile/classLoaderData.cpp b/hotspot/src/share/vm/classfile/classLoaderData.cpp
index fc1774d1941..09ddbf40b92 100644
--- a/hotspot/src/share/vm/classfile/classLoaderData.cpp
+++ b/hotspot/src/share/vm/classfile/classLoaderData.cpp
@@ -126,13 +126,17 @@ bool ClassLoaderData::claim() {
 // ClassLoaderData, no other non-GC thread has knowledge of the anonymous class while
 // it is being defined, therefore _keep_alive is not volatile or atomic.
 void ClassLoaderData::inc_keep_alive() {
-  assert(_keep_alive >= 0, "Invalid keep alive count");
-  _keep_alive++;
+  if (is_anonymous()) {
+    assert(_keep_alive >= 0, "Invalid keep alive increment count");
+    _keep_alive++;
+  }
 }
 
 void ClassLoaderData::dec_keep_alive() {
-  assert(_keep_alive > 0, "Invalid keep alive count");
-  _keep_alive--;
+  if (is_anonymous()) {
+    assert(_keep_alive > 0, "Invalid keep alive decrement count");
+    _keep_alive--;
+  }
 }
 
 void ClassLoaderData::oops_do(OopClosure* f, KlassClosure* klass_closure, bool must_claim) {
@@ -1173,7 +1177,7 @@ void ClassLoaderData::print_value_on(outputStream* out) const {
   if (class_loader() == NULL) {
     out->print("NULL class_loader");
   } else {
-    out->print("class loader " INTPTR_FORMAT, p2i(this));
+    out->print("class loader " INTPTR_FORMAT " ", p2i(this));
     class_loader()->print_value_on(out);
   }
 }
diff --git a/hotspot/src/share/vm/classfile/classLoaderData.hpp b/hotspot/src/share/vm/classfile/classLoaderData.hpp
index 602097935cc..e1798d349ad 100644
--- a/hotspot/src/share/vm/classfile/classLoaderData.hpp
+++ b/hotspot/src/share/vm/classfile/classLoaderData.hpp
@@ -176,9 +176,9 @@ class ClassLoaderData : public CHeapObj {
   Mutex* _metaspace_lock;  // Locks the metaspace for allocations and setup.
   bool _unloading;         // true if this class loader goes away
   bool _is_anonymous;      // if this CLD is for an anonymous class
-  int _keep_alive;         // if this CLD is kept alive without a keep_alive_object().
-                           // Currently used solely for anonymous classes.
-                           // _keep_alive does not need to be volatile or
+  s2 _keep_alive;          // if this CLD is kept alive without a keep_alive_object().
+                           // Used for anonymous classes and the boot class
+                           // loader. _keep_alive does not need to be volatile or
                            // atomic since there is one unique CLD per anonymous class.
   volatile int _claimed;   // true if claimed, for example during GC traces.
                            // To avoid applying oop closure more than once.
@@ -289,6 +289,8 @@ class ClassLoaderData : public CHeapObj {
     return _unloading;
   }
 
+  // Used to refcount an anonymous class's CLD in order to
+  // indicate their aliveness without a keep_alive_object().
   void inc_keep_alive();
   void dec_keep_alive();
 
diff --git a/hotspot/src/share/vm/code/dependencies.cpp b/hotspot/src/share/vm/code/dependencies.cpp
index 8bcef277d2a..d33df4eda1b 100644
--- a/hotspot/src/share/vm/code/dependencies.cpp
+++ b/hotspot/src/share/vm/code/dependencies.cpp
@@ -1082,12 +1082,11 @@ class ClassHierarchyWalker {
     if (!(m->is_public() || m->is_protected()))
       // The override story is complex when packages get involved.
       return true;  // Must punt the assertion to true.
-    Klass* k = ctxk;
-    Method* lm = k->lookup_method(m->name(), m->signature());
-    if (lm == NULL && k->is_instance_klass()) {
+    Method* lm = ctxk->lookup_method(m->name(), m->signature());
+    if (lm == NULL && ctxk->is_instance_klass()) {
       // It might be an interface method
-      lm = InstanceKlass::cast(k)->lookup_method_in_ordered_interfaces(m->name(),
-                                                                 m->signature());
+      lm = InstanceKlass::cast(ctxk)->lookup_method_in_ordered_interfaces(m->name(),
+                                                                          m->signature());
     }
     if (lm == m)
       // Method m is inherited into ctxk.
@@ -1101,11 +1100,19 @@ class ClassHierarchyWalker {
         // Static methods don't override non-static so punt
         return true;
       }
-      if (   !Dependencies::is_concrete_method(lm, k)
-          && !Dependencies::is_concrete_method(m, ctxk)
-          && lm->method_holder()->is_subtype_of(m->method_holder()))
-        // Method m is overridden by lm, but both are non-concrete.
-        return true;
+      if (!Dependencies::is_concrete_method(lm, ctxk) &&
+          !Dependencies::is_concrete_method(m, ctxk)) {
+        // They are both non-concrete
+        if (lm->method_holder()->is_subtype_of(m->method_holder())) {
+          // Method m is overridden by lm, but both are non-concrete.
+          return true;
+        }
+        if (lm->method_holder()->is_interface() && m->method_holder()->is_interface() &&
+            ctxk->is_subtype_of(m->method_holder()) && ctxk->is_subtype_of(lm->method_holder())) {
+          // Interface method defined in multiple super interfaces
+          return true;
+        }
+      }
     }
     ResourceMark rm;
     tty->print_cr("Dependency method not found in the associated context:");
diff --git a/hotspot/src/share/vm/gc/g1/g1Analytics.cpp b/hotspot/src/share/vm/gc/g1/g1Analytics.cpp
index c43b4169e49..8214a4bfa55 100644
--- a/hotspot/src/share/vm/gc/g1/g1Analytics.cpp
+++ b/hotspot/src/share/vm/gc/g1/g1Analytics.cpp
@@ -316,10 +316,14 @@ size_t G1Analytics::predict_pending_cards() const {
   return get_new_size_prediction(_pending_cards_seq);
 }
 
-double G1Analytics::last_known_gc_end_time_sec() const {
+double G1Analytics::oldest_known_gc_end_time_sec() const {
   return _recent_prev_end_times_for_all_gcs_sec->oldest();
 }
 
+double G1Analytics::last_known_gc_end_time_sec() const {
+  return _recent_prev_end_times_for_all_gcs_sec->last();
+}
+
 void G1Analytics::update_recent_gc_times(double end_time_sec,
                                          double pause_time_ms) {
   _recent_gc_times_ms->add(pause_time_ms);
diff --git a/hotspot/src/share/vm/gc/g1/g1Analytics.hpp b/hotspot/src/share/vm/gc/g1/g1Analytics.hpp
index a22d0dd72bd..3f9a37a98e7 100644
--- a/hotspot/src/share/vm/gc/g1/g1Analytics.hpp
+++ b/hotspot/src/share/vm/gc/g1/g1Analytics.hpp
@@ -155,6 +155,7 @@ public:
   void update_recent_gc_times(double end_time_sec, double elapsed_ms);
   void compute_pause_time_ratio(double interval_ms, double pause_time_ms);
 
+  double oldest_known_gc_end_time_sec() const;
   double last_known_gc_end_time_sec() const;
 };
 
diff --git a/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp b/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp
index d84e1000763..a267098ed86 100644
--- a/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp
+++ b/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp
@@ -28,6 +28,7 @@
 #include "classfile/symbolTable.hpp"
 #include "code/codeCache.hpp"
 #include "code/icBuffer.hpp"
+#include "gc/g1/g1Analytics.hpp"
 #include "gc/g1/bufferingOopClosure.hpp"
 #include "gc/g1/concurrentG1Refine.hpp"
 #include "gc/g1/concurrentG1RefineThread.hpp"
@@ -2473,8 +2474,19 @@ size_t G1CollectedHeap::max_capacity() const {
 }
 
 jlong G1CollectedHeap::millis_since_last_gc() {
-  // assert(false, "NYI");
-  return 0;
+  jlong now = os::elapsed_counter() / NANOSECS_PER_MILLISEC;
+  const G1Analytics* analytics = _g1_policy->analytics();
+  double last = analytics->last_known_gc_end_time_sec();
+  jlong ret_val = now - (last * 1000);
+  if (ret_val < 0) {
+    // See the notes in GenCollectedHeap::millis_since_last_gc()
+    // for more information about the implementation.
+    log_warning(gc)("Detected clock going backwards. "
+      "Milliseconds since last GC would be " JLONG_FORMAT
+      ". returning zero instead.", ret_val);
+    return 0;
+  }
+  return ret_val;
 }
 
 void G1CollectedHeap::prepare_for_verify() {
diff --git a/hotspot/src/share/vm/gc/g1/g1DefaultPolicy.cpp b/hotspot/src/share/vm/gc/g1/g1DefaultPolicy.cpp
index 454f73bc0c6..dfef9538ba7 100644
--- a/hotspot/src/share/vm/gc/g1/g1DefaultPolicy.cpp
+++ b/hotspot/src/share/vm/gc/g1/g1DefaultPolicy.cpp
@@ -604,7 +604,7 @@ void G1DefaultPolicy::record_collection_pause_end(double pause_time_ms, size_t c
     _analytics->report_alloc_rate_ms(alloc_rate_ms);
 
     double interval_ms =
-      (end_time_sec - _analytics->last_known_gc_end_time_sec()) * 1000.0;
+      (end_time_sec - _analytics->oldest_known_gc_end_time_sec()) * 1000.0;
     _analytics->update_recent_gc_times(end_time_sec, pause_time_ms);
     _analytics->compute_pause_time_ratio(interval_ms, pause_time_ms);
   }
diff --git a/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp b/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp
index 049b675bd51..c1a28350047 100644
--- a/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp
+++ b/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp
@@ -1256,21 +1256,21 @@ class GenTimeOfLastGCClosure: public GenCollectedHeap::GenClosure {
 };
 
 jlong GenCollectedHeap::millis_since_last_gc() {
-  // We need a monotonically non-decreasing time in ms but
-  // os::javaTimeMillis() does not guarantee monotonicity.
+  // javaTimeNanos() is guaranteed to be monotonically non-decreasing
+  // provided the underlying platform provides such a time source
+  // (and it is bug free). So we still have to guard against getting
+  // back a time later than 'now'.
   jlong now = os::javaTimeNanos() / NANOSECS_PER_MILLISEC;
   GenTimeOfLastGCClosure tolgc_cl(now);
   // iterate over generations getting the oldest
   // time that a generation was collected
   generation_iterate(&tolgc_cl, false);
 
-  // javaTimeNanos() is guaranteed to be monotonically non-decreasing
-  // provided the underlying platform provides such a time source
-  // (and it is bug free). So we still have to guard against getting
-  // back a time later than 'now'.
   jlong retVal = now - tolgc_cl.time();
   if (retVal < 0) {
-    NOT_PRODUCT(log_warning(gc)("time warp: " JLONG_FORMAT, retVal);)
+    log_warning(gc)("Detected clock going backwards. "
+      "Milliseconds since last GC would be " JLONG_FORMAT
+      ". returning zero instead.", retVal);
     return 0;
   }
   return retVal;
diff --git a/hotspot/src/share/vm/jvmci/jvmciCompilerToVM.cpp b/hotspot/src/share/vm/jvmci/jvmciCompilerToVM.cpp
index 36837cda7f4..edc47626853 100644
--- a/hotspot/src/share/vm/jvmci/jvmciCompilerToVM.cpp
+++ b/hotspot/src/share/vm/jvmci/jvmciCompilerToVM.cpp
@@ -461,31 +461,26 @@ C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jl
   return JNIHandles::make_local(THREAD, result);
 }
 
-C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject base, jlong offset))
+C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
   constantPoolHandle cp;
-  oop base_object = JNIHandles::resolve(base);
-  jlong base_address = 0;
-  if (base_object != NULL) {
-    if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
-      base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
-    } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
-      base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
-    } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
-      base_address = (jlong) CompilerToVM::asKlass(base_object);
-    } else {
-      THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
-                  err_msg("Unexpected type: %s", base_object->klass()->external_name()));
-    }
+  oop object = JNIHandles::resolve(object_handle);
+  if (object == NULL) {
+    THROW_0(vmSymbols::java_lang_NullPointerException());
   }
-  cp = *((ConstantPool**) (intptr_t) (base_address + offset));
-  if (!cp.is_null()) {
-    JavaValue method_result(T_OBJECT);
-    JavaCallArguments args;
-    args.push_long((jlong) (address) cp());
-    JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
-    return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
+  if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
+    cp = CompilerToVM::asMethod(object)->constMethod()->constants();
+  } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
+    cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
+  } else {
+    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
+                err_msg("Unexpected type: %s", object->klass()->external_name()));
   }
-  return NULL;
+  assert(!cp.is_null(), "npe");
+  JavaValue method_result(T_OBJECT);
+  JavaCallArguments args;
+  args.push_long((jlong) (address) cp());
+  JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
+  return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
 }
 
 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
@@ -1522,7 +1517,7 @@ JNINativeMethod CompilerToVM::methods[] = {
   {CC "getMaxCallTargetOffset",                       CC "(J)J",                                                                            FN_PTR(getMaxCallTargetOffset)},
   {CC "getResolvedJavaMethodAtSlot",                  CC "(" CLASS "I)" HS_RESOLVED_METHOD,                                                 FN_PTR(getResolvedJavaMethodAtSlot)},
   {CC "getResolvedJavaMethod",                        CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD,                                        FN_PTR(getResolvedJavaMethod)},
-  {CC "getConstantPool",                              CC "(Ljava/lang/Object;J)" HS_CONSTANT_POOL,                                          FN_PTR(getConstantPool)},
+  {CC "getConstantPool",                              CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL,                                           FN_PTR(getConstantPool)},
   {CC "getResolvedJavaType",                          CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS,                                        FN_PTR(getResolvedJavaType)},
   {CC "readConfiguration",                            CC "()[" OBJECT,                                                                      FN_PTR(readConfiguration)},
   {CC "installCode",                                  CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I",    FN_PTR(installCode)},
diff --git a/hotspot/src/share/vm/logging/logTagSet.hpp b/hotspot/src/share/vm/logging/logTagSet.hpp
index 0b238b32b52..a40ed5175bc 100644
--- a/hotspot/src/share/vm/logging/logTagSet.hpp
+++ b/hotspot/src/share/vm/logging/logTagSet.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2016, 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
diff --git a/hotspot/src/share/vm/oops/methodCounters.hpp b/hotspot/src/share/vm/oops/methodCounters.hpp
index 2a06ab6eb2e..351cbff76b9 100644
--- a/hotspot/src/share/vm/oops/methodCounters.hpp
+++ b/hotspot/src/share/vm/oops/methodCounters.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2016 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2016, 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
diff --git a/hotspot/src/share/vm/opto/arraycopynode.cpp b/hotspot/src/share/vm/opto/arraycopynode.cpp
index 08334b22597..f73f09165fb 100644
--- a/hotspot/src/share/vm/opto/arraycopynode.cpp
+++ b/hotspot/src/share/vm/opto/arraycopynode.cpp
@@ -630,6 +630,12 @@ bool ArrayCopyNode::may_modify(const TypeOopPtr *t_oop, PhaseTransform *phase) {
 }
 
 bool ArrayCopyNode::may_modify_helper(const TypeOopPtr *t_oop, Node* n, PhaseTransform *phase, ArrayCopyNode*& ac) {
+  if (n->Opcode() == Op_StoreCM ||
+      n->Opcode() == Op_StoreB) {
+    // Ignore card mark stores
+    n = n->in(MemNode::Memory);
+  }
+
   if (n->is_Proj()) {
     n = n->in(0);
     if (n->is_Call() && n->as_Call()->may_modify(t_oop, phase)) {
@@ -657,9 +663,6 @@ bool ArrayCopyNode::may_modify(const TypeOopPtr *t_oop, MemBarNode* mb, PhaseTra
           }
         }
       }
-    } else if (n->Opcode() == Op_StoreCM) {
-      // Ignore card mark stores
-      return may_modify_helper(t_oop, n->in(MemNode::Memory), phase, ac);
     }
   }
 
diff --git a/hotspot/src/share/vm/opto/cfgnode.cpp b/hotspot/src/share/vm/opto/cfgnode.cpp
index 594ffd2e70a..47606b6a599 100644
--- a/hotspot/src/share/vm/opto/cfgnode.cpp
+++ b/hotspot/src/share/vm/opto/cfgnode.cpp
@@ -1703,29 +1703,51 @@ Node *PhiNode::Ideal(PhaseGVN *phase, bool can_reshape) {
     }
 
     if (uncasted) {
-      // Add a cast node between the phi to be removed and its unique input.
+      // Add cast nodes between the phi to be removed and its unique input.
       // Wait until after parsing for the type information to propagate from the casts.
       assert(can_reshape, "Invalid during parsing");
       const Type* phi_type = bottom_type();
       assert(phi_type->isa_int() || phi_type->isa_ptr(), "bad phi type");
-      int opcode;
-      // Determine the type of cast to be added.
+      // Add casts to carry the control dependency of the Phi that is
+      // going away
+      Node* cast = NULL;
       if (phi_type->isa_int()) {
-        opcode = Op_CastII;
+        cast = ConstraintCastNode::make_cast(Op_CastII, r, uin, phi_type, true);
       } else {
         const Type* uin_type = phase->type(uin);
-        if ((phi_type->join(TypePtr::NOTNULL) == uin_type->join(TypePtr::NOTNULL)) ||
-            (!phi_type->isa_oopptr() && !uin_type->isa_oopptr())) {
-          opcode = Op_CastPP;
+        if (!phi_type->isa_oopptr() && !uin_type->isa_oopptr()) {
+          cast = ConstraintCastNode::make_cast(Op_CastPP, r, uin, phi_type, true);
         } else {
-          opcode = Op_CheckCastPP;
+          // Use a CastPP for a cast to not null and a CheckCastPP for
+          // a cast to a new klass (and both if both null-ness and
+          // klass change).
+
+          // If the type of phi is not null but the type of uin may be
+          // null, uin's type must be casted to not null
+          if (phi_type->join(TypePtr::NOTNULL) == phi_type->remove_speculative() &&
+              uin_type->join(TypePtr::NOTNULL) != uin_type->remove_speculative()) {
+            cast = ConstraintCastNode::make_cast(Op_CastPP, r, uin, TypePtr::NOTNULL, true);
+          }
+
+          // If the type of phi and uin, both casted to not null,
+          // differ the klass of uin must be (check)cast'ed to match
+          // that of phi
+          if (phi_type->join_speculative(TypePtr::NOTNULL) != uin_type->join_speculative(TypePtr::NOTNULL)) {
+            Node* n = uin;
+            if (cast != NULL) {
+              cast = phase->transform(cast);
+              n = cast;
+            }
+            cast = ConstraintCastNode::make_cast(Op_CheckCastPP, r, n, phi_type, true);
+          }
+          if (cast == NULL) {
+            cast = ConstraintCastNode::make_cast(Op_CastPP, r, uin, phi_type, true);
+          }
         }
       }
-      // Add a cast to carry the control dependency of the Phi that is
-      // going away
-      Node* cast = ConstraintCastNode::make_cast(opcode, r, uin, phi_type, true);
+      assert(cast != NULL, "cast should be set");
       cast = phase->transform(cast);
-      // set all inputs to the new cast so the Phi is removed by Identity
+      // set all inputs to the new cast(s) so the Phi is removed by Identity
       PhaseIterGVN* igvn = phase->is_IterGVN();
       for (uint i = 1; i < req(); i++) {
         set_req_X(i, cast, igvn);
diff --git a/hotspot/src/share/vm/prims/unsafe.cpp b/hotspot/src/share/vm/prims/unsafe.cpp
index e129fbafc41..d7721ec5f55 100644
--- a/hotspot/src/share/vm/prims/unsafe.cpp
+++ b/hotspot/src/share/vm/prims/unsafe.cpp
@@ -861,6 +861,13 @@ Unsafe_DefineAnonymousClass_impl(JNIEnv *env,
   }
 
   const Klass* host_klass = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(host_class));
+
+  // Make sure it's the real host class, not another anonymous class.
+  while (host_klass != NULL && host_klass->is_instance_klass() &&
+         InstanceKlass::cast(host_klass)->is_anonymous()) {
+    host_klass = InstanceKlass::cast(host_klass)->host_klass();
+  }
+
   // Primitive types have NULL Klass* fields in their java.lang.Class instances.
   if (host_klass == NULL) {
     THROW_0(vmSymbols::java_lang_IllegalArgumentException());
diff --git a/hotspot/src/share/vm/prims/whitebox.cpp b/hotspot/src/share/vm/prims/whitebox.cpp
index 6a6389da9ff..6228453f6cc 100644
--- a/hotspot/src/share/vm/prims/whitebox.cpp
+++ b/hotspot/src/share/vm/prims/whitebox.cpp
@@ -679,7 +679,7 @@ WB_ENTRY(jboolean, WB_IsMethodQueuedForCompilation(JNIEnv* env, jobject o, jobje
 WB_END
 
 WB_ENTRY(jboolean, WB_IsIntrinsicAvailable(JNIEnv* env, jobject o, jobject method, jobject compilation_context, jint compLevel))
-  if (compLevel < CompLevel_none || compLevel > CompLevel_highest_tier) {
+  if (compLevel < CompLevel_none || compLevel > MIN2((CompLevel) TieredStopAtLevel, CompLevel_highest_tier)) {
     return false; // Intrinsic is not available on a non-existent compilation level.
   }
   jmethodID method_id, compilation_context_id;
@@ -689,6 +689,7 @@ WB_ENTRY(jboolean, WB_IsIntrinsicAvailable(JNIEnv* env, jobject o, jobject metho
 
   DirectiveSet* directive;
   AbstractCompiler* comp = CompileBroker::compiler((int)compLevel);
+  assert(comp != NULL, "compiler not available");
   if (compilation_context != NULL) {
     compilation_context_id = reflected_method_to_jmid(thread, env, compilation_context);
     CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
@@ -698,7 +699,7 @@ WB_ENTRY(jboolean, WB_IsIntrinsicAvailable(JNIEnv* env, jobject o, jobject metho
     // Calling with NULL matches default directive
     directive = DirectivesStack::getDefaultDirective(comp);
   }
-  bool result = CompileBroker::compiler(compLevel)->is_intrinsic_available(mh, directive);
+  bool result = comp->is_intrinsic_available(mh, directive);
   DirectivesStack::release(directive);
   return result;
 WB_END
diff --git a/hotspot/src/share/vm/runtime/advancedThresholdPolicy.cpp b/hotspot/src/share/vm/runtime/advancedThresholdPolicy.cpp
index fc1ea544cce..9b8e3e6a394 100644
--- a/hotspot/src/share/vm/runtime/advancedThresholdPolicy.cpp
+++ b/hotspot/src/share/vm/runtime/advancedThresholdPolicy.cpp
@@ -55,7 +55,8 @@ void AdvancedThresholdPolicy::initialize() {
     // Simple log n seems to grow too slowly for tiered, try something faster: log n * log log n
     int log_cpu = log2_intptr(os::active_processor_count());
     int loglog_cpu = log2_intptr(MAX2(log_cpu, 1));
-    count = MAX2(log_cpu * loglog_cpu, 1) * 3 / 2;
+    count = MAX2(log_cpu * loglog_cpu * 3 / 2, 2);
+    FLAG_SET_ERGO(intx, CICompilerCount, count);
   }
 #else
   // On 32-bit systems, the number of compiler threads is limited to 3.
@@ -67,12 +68,18 @@ void AdvancedThresholdPolicy::initialize() {
   /// available to the VM and thus cause the VM to crash.
   if (FLAG_IS_DEFAULT(CICompilerCount)) {
     count = 3;
+    FLAG_SET_ERGO(intx, CICompilerCount, count);
   }
 #endif
 
-  set_c1_count(MAX2(count / 3, 1));
-  set_c2_count(MAX2(count - c1_count(), 1));
-  FLAG_SET_ERGO(intx, CICompilerCount, c1_count() + c2_count());
+  if (TieredStopAtLevel < CompLevel_full_optimization) {
+    // No C2 compiler thread required
+    set_c1_count(count);
+  } else {
+    set_c1_count(MAX2(count / 3, 1));
+    set_c2_count(MAX2(count - c1_count(), 1));
+  }
+  assert(count == c1_count() + c2_count(), "inconsistent compiler thread count");
 
   // Some inlining tuning
 #ifdef X86
diff --git a/hotspot/src/share/vm/runtime/frame.cpp b/hotspot/src/share/vm/runtime/frame.cpp
index 82f5ead336d..129a08850db 100644
--- a/hotspot/src/share/vm/runtime/frame.cpp
+++ b/hotspot/src/share/vm/runtime/frame.cpp
@@ -225,6 +225,19 @@ JavaCallWrapper* frame::entry_frame_call_wrapper_if_safe(JavaThread* thread) con
   return NULL;
 }
 
+bool frame::is_entry_frame_valid(JavaThread* thread) const {
+  // Validate the JavaCallWrapper an entry frame must have
+  address jcw = (address)entry_frame_call_wrapper();
+  bool jcw_safe = (jcw < thread->stack_base()) && (jcw > (address)fp()); // less than stack base
+  if (!jcw_safe) {
+    return false;
+  }
+
+  // Validate sp saved in the java frame anchor
+  JavaFrameAnchor* jfa = entry_frame_call_wrapper()->anchor();
+  return (jfa->last_Java_sp() > sp());
+}
+
 bool frame::should_be_deoptimized() const {
   if (_deopt_state == is_deoptimized ||
       !is_compiled_frame() ) return false;
diff --git a/hotspot/src/share/vm/runtime/frame.hpp b/hotspot/src/share/vm/runtime/frame.hpp
index d3974d713b2..1a122da60c5 100644
--- a/hotspot/src/share/vm/runtime/frame.hpp
+++ b/hotspot/src/share/vm/runtime/frame.hpp
@@ -166,6 +166,8 @@ class frame VALUE_OBJ_CLASS_SPEC {
   frame sender_for_interpreter_frame(RegisterMap* map) const;
   frame sender_for_native_frame(RegisterMap* map) const;
 
+  bool is_entry_frame_valid(JavaThread* thread) const;
+
   // All frames:
 
   // A low-level interface for vframes:
diff --git a/hotspot/src/share/vm/runtime/globals.hpp b/hotspot/src/share/vm/runtime/globals.hpp
index 930c51acc17..89314669efd 100644
--- a/hotspot/src/share/vm/runtime/globals.hpp
+++ b/hotspot/src/share/vm/runtime/globals.hpp
@@ -2411,7 +2411,7 @@ public:
   product(intx, CICompilerCount, CI_COMPILER_COUNT,                         \
           "Number of compiler threads to run")                              \
           range(0, max_jint)                                                \
-          constraint(CICompilerCountConstraintFunc, AtParse)                \
+          constraint(CICompilerCountConstraintFunc, AfterErgo)              \
                                                                             \
   product(intx, CompilationPolicyChoice, 0,                                 \
           "which compilation policy (0-3)")                                 \
diff --git a/hotspot/src/share/vm/runtime/reflection.cpp b/hotspot/src/share/vm/runtime/reflection.cpp
index 867c831a165..7b2753e516f 100644
--- a/hotspot/src/share/vm/runtime/reflection.cpp
+++ b/hotspot/src/share/vm/runtime/reflection.cpp
@@ -660,11 +660,13 @@ bool Reflection::verify_field_access(const Klass* current_class,
   }
 
   const Klass* host_class = current_class;
-  while (host_class->is_instance_klass() &&
-         InstanceKlass::cast(host_class)->is_anonymous()) {
-    const Klass* next_host_class = InstanceKlass::cast(host_class)->host_klass();
-    if (next_host_class == NULL)  break;
-    host_class = next_host_class;
+  if (host_class->is_instance_klass() &&
+      InstanceKlass::cast(host_class)->is_anonymous()) {
+    host_class = InstanceKlass::cast(host_class)->host_klass();
+    assert(host_class != NULL, "Anonymous class has null host class");
+    assert(!(host_class->is_instance_klass() &&
+           InstanceKlass::cast(host_class)->is_anonymous()),
+           "host_class should not be anonymous");
   }
   if (host_class == field_class) {
     return true;
diff --git a/hotspot/src/share/vm/runtime/simpleThresholdPolicy.cpp b/hotspot/src/share/vm/runtime/simpleThresholdPolicy.cpp
index e38c69279a9..4f532121fc8 100644
--- a/hotspot/src/share/vm/runtime/simpleThresholdPolicy.cpp
+++ b/hotspot/src/share/vm/runtime/simpleThresholdPolicy.cpp
@@ -147,12 +147,18 @@ void SimpleThresholdPolicy::initialize() {
   // performed on 32-bit systems because it can lead to exhaustion
   // of the virtual memory address space available to the JVM.
   if (CICompilerCountPerCPU) {
-    count = MAX2(log2_intptr(os::active_processor_count()), 1) * 3 / 2;
+    count = MAX2(log2_intptr(os::active_processor_count()) * 3 / 2, 2);
+    FLAG_SET_ERGO(intx, CICompilerCount, count);
   }
 #endif
-  set_c1_count(MAX2(count / 3, 1));
-  set_c2_count(MAX2(count - c1_count(), 1));
-  FLAG_SET_ERGO(intx, CICompilerCount, c1_count() + c2_count());
+  if (TieredStopAtLevel < CompLevel_full_optimization) {
+    // No C2 compiler thread required
+    set_c1_count(count);
+  } else {
+    set_c1_count(MAX2(count / 3, 1));
+    set_c2_count(MAX2(count - c1_count(), 1));
+  }
+  assert(count == c1_count() + c2_count(), "inconsistent compiler thread count");
 }
 
 void SimpleThresholdPolicy::set_carry_if_necessary(InvocationCounter *counter) {
diff --git a/hotspot/src/share/vm/runtime/thread.cpp b/hotspot/src/share/vm/runtime/thread.cpp
index 26c7e870d07..c87de622492 100644
--- a/hotspot/src/share/vm/runtime/thread.cpp
+++ b/hotspot/src/share/vm/runtime/thread.cpp
@@ -374,11 +374,14 @@ Thread::~Thread() {
   delete handle_area();
   delete metadata_handles();
 
+  // SR_handler uses this as a termination indicator -
+  // needs to happen before os::free_thread()
+  delete _SR_lock;
+  _SR_lock = NULL;
+
   // osthread() can be NULL, if creation of thread failed.
   if (osthread() != NULL) os::free_thread(osthread());
 
-  delete _SR_lock;
-
   // clear Thread::current if thread is deleting itself.
   // Needed to ensure JNI correctly detects non-attached threads.
   if (this == Thread::current()) {
diff --git a/hotspot/src/share/vm/runtime/vmStructs.cpp b/hotspot/src/share/vm/runtime/vmStructs.cpp
index a0687534eb3..34b48c3cf80 100644
--- a/hotspot/src/share/vm/runtime/vmStructs.cpp
+++ b/hotspot/src/share/vm/runtime/vmStructs.cpp
@@ -2643,7 +2643,7 @@ typedef CompactHashtable       SymbolCompactHashTable;
   /* DEFAULT_CACHE_LINE_SIZE (globalDefinitions.hpp) */                   \
   /***************************************************/                   \
                                                                           \
-  declare_constant(DEFAULT_CACHE_LINE_SIZE)                               \
+  declare_preprocessor_constant("DEFAULT_CACHE_LINE_SIZE", DEFAULT_CACHE_LINE_SIZE) \
                                                                           \
   declare_constant(Deoptimization::Unpack_deopt)                          \
   declare_constant(Deoptimization::Unpack_exception)                      \
diff --git a/hotspot/src/share/vm/utilities/nativeCallStack.cpp b/hotspot/src/share/vm/utilities/nativeCallStack.cpp
index 940b3c8840e..b606f9e9c00 100644
--- a/hotspot/src/share/vm/utilities/nativeCallStack.cpp
+++ b/hotspot/src/share/vm/utilities/nativeCallStack.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2016, 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
@@ -33,6 +33,19 @@ NativeCallStack::NativeCallStack(int toSkip, bool fillStack) :
   _hash_value(0) {
 
   if (fillStack) {
+    // We need to skip the NativeCallStack::NativeCallStack frame if a tail call is NOT used
+    // to call os::get_native_stack. A tail call is used if _NMT_NOINLINE_ is not defined
+    // (which means this is not a slowdebug build), and we are on 64-bit (except Windows).
+    // This is not necessarily a rule, but what has been obvserved to date.
+#define TAIL_CALL (!defined(_NMT_NOINLINE_) && !defined(WINDOWS) && defined(_LP64))
+#if !TAIL_CALL
+    toSkip++;
+#if (defined(_NMT_NOINLINE_) && defined(BSD) && defined(_LP64))
+    // Mac OS X slowdebug builds have this odd behavior where NativeCallStack::NativeCallStack
+    // appears as two frames, so we need to skip an extra frame.
+    toSkip++;
+#endif
+#endif
     os::get_native_stack(_stack, NMT_TrackingStackDepth, toSkip);
   } else {
     for (int index = 0; index < NMT_TrackingStackDepth; index ++) {
diff --git a/hotspot/test/Makefile b/hotspot/test/Makefile
index 2f2f810f37b..07f12c40801 100644
--- a/hotspot/test/Makefile
+++ b/hotspot/test/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1995, 2015, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1995, 2016, 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
@@ -226,6 +226,9 @@ BUNDLE_UP_AND_EXIT = \
 ( \
   jtregExitCode=$$? && \
   _summary="$(SUMMARY_TXT)"; \
+  if [ $${jtregExitCode} = 1 ] ; then \
+    jtregExitCode=0; \
+  fi; \
   $(RM) -f $(STATS_TXT) $(RUNLIST) $(PASSLIST) $(FAILLIST) $(EXITCODE); \
   $(ECHO) "$${jtregExitCode}" > $(EXITCODE); \
   if [ -r "$${_summary}" ] ; then \
diff --git a/hotspot/test/TEST.groups b/hotspot/test/TEST.groups
index e1bdec26de5..c87769b91e1 100644
--- a/hotspot/test/TEST.groups
+++ b/hotspot/test/TEST.groups
@@ -167,7 +167,7 @@ needs_compact3 = \
   gc/survivorAlignment \
   runtime/InternalApi/ThreadCpuTimesDeadlock.java \
   runtime/NMT/JcmdSummaryDiff.java \
-  runtime/RedefineTests/RedefineAnnotations.java
+  runtime/RedefineTests/RedefineAnnotations.java \
   serviceability/sa/jmap-hashcode/Test8028623.java \
   serviceability/threads/TestFalseDeadLock.java \
   compiler/codecache/jmx \
@@ -282,7 +282,7 @@ hotspot_fast_compiler_1 = \
   -compiler/c2/Test6905845.java \
   -compiler/c2/cr6340864 \
   -compiler/c2/cr6589834 \
-  -compiler/c2/cr8004867
+  -compiler/c2/cr8004867 \
   -compiler/c2/stemmer \
   -compiler/c2/Test6792161.java \
   -compiler/c2/Test6603011.java \
diff --git a/hotspot/test/compiler/arguments/CheckCICompilerCount.java b/hotspot/test/compiler/arguments/CheckCICompilerCount.java
index 1c361cfdf42..14bbdaa3dc5 100644
--- a/hotspot/test/compiler/arguments/CheckCICompilerCount.java
+++ b/hotspot/test/compiler/arguments/CheckCICompilerCount.java
@@ -23,8 +23,7 @@
 
 /*
  * @test CheckCheckCICompilerCount
- * @bug 8130858
- * @bug 8132525
+ * @bug 8130858 8132525 8162881
  * @summary Check that correct range of values for CICompilerCount are allowed depending on whether tiered is enabled or not
  * @library /testlibrary /
  * @modules java.base/jdk.internal.misc
@@ -53,6 +52,13 @@ public class CheckCICompilerCount {
             "-XX:CICompilerCount=1",
             "-version"
         },
+        {
+            "-server",
+            "-XX:+PrintFlagsFinal",
+            "-XX:CICompilerCount=1",
+            "-XX:-TieredCompilation",
+            "-version"
+        },
         {
             "-client",
             "-XX:-TieredCompilation",
@@ -66,30 +72,31 @@ public class CheckCICompilerCount {
             "-XX:+PrintFlagsFinal",
             "-XX:CICompilerCount=1",
             "-version"
+        },
+        {
+            "-client",
+            "-XX:+PrintFlagsFinal",
+            "-XX:CICompilerCount=1",
+            "-XX:-TieredCompilation",
+            "-version"
         }
     };
 
-    private static final String[][] NON_TIERED_EXPECTED_OUTPUTS = {
-        {
+    private static final String[] NON_TIERED_EXPECTED_OUTPUTS = {
             "CICompilerCount (0) must be at least 1",
-            "Improperly specified VM option 'CICompilerCount=0'"
-        },
-        {
-            "intx CICompilerCount                          = 1                                        {product} {command line}"
-        },
-        {
+            "intx CICompilerCount                          = 1                                        {product} {command line}",
+            "intx CICompilerCount                          = 1                                        {product} {command line}",
             "CICompilerCount (0) must be at least 1",
-            "Improperly specified VM option 'CICompilerCount=0'"
-        },
-        {
+            "intx CICompilerCount                          = 1                                        {product} {command line}",
             "intx CICompilerCount                          = 1                                        {product} {command line}"
-        }
     };
 
     private static final int[] NON_TIERED_EXIT = {
         1,
         0,
+        0,
         1,
+        0,
         0
     };
 
@@ -101,6 +108,22 @@ public class CheckCICompilerCount {
             "-XX:CICompilerCount=1",
             "-version"
         },
+        {
+            "-server",
+            "-XX:+TieredCompilation",
+            "-XX:TieredStopAtLevel=1",
+            "-XX:+PrintFlagsFinal",
+            "-XX:CICompilerCount=1",
+            "-version"
+        },
+        {
+            "-server",
+            "-XX:+TieredCompilation",
+            "-XX:+PrintFlagsFinal",
+            "-XX:CICompilerCount=1",
+            "-XX:TieredStopAtLevel=1",
+            "-version"
+        },
         {
             "-server",
             "-XX:+TieredCompilation",
@@ -115,6 +138,22 @@ public class CheckCICompilerCount {
             "-XX:CICompilerCount=1",
             "-version"
         },
+        {
+            "-client",
+            "-XX:+TieredCompilation",
+            "-XX:TieredStopAtLevel=1",
+            "-XX:+PrintFlagsFinal",
+            "-XX:CICompilerCount=1",
+            "-version"
+        },
+        {
+            "-client",
+            "-XX:+TieredCompilation",
+            "-XX:+PrintFlagsFinal",
+            "-XX:CICompilerCount=1",
+            "-XX:TieredStopAtLevel=1",
+            "-version"
+        },
         {
             "-client",
             "-XX:+TieredCompilation",
@@ -124,31 +163,29 @@ public class CheckCICompilerCount {
         }
     };
 
-    private static final String[][] TIERED_EXPECTED_OUTPUTS = {
-        {
+    private static final String[] TIERED_EXPECTED_OUTPUTS = {
             "CICompilerCount (1) must be at least 2",
-            "Improperly specified VM option 'CICompilerCount=1'"
-        },
-        {
-            "intx CICompilerCount                          = 2                                        {product} {command line, ergonomic}"
-        },
-        {
+            "intx CICompilerCount                          = 1                                        {product} {command line}",
+            "intx CICompilerCount                          = 1                                        {product} {command line}",
+            "intx CICompilerCount                          = 2                                        {product} {command line}",
             "CICompilerCount (1) must be at least 2",
-            "Improperly specified VM option 'CICompilerCount=1'"
-        },
-        {
-            "intx CICompilerCount                          = 2                                        {product} {command line, ergonomic}"
-        }
+            "intx CICompilerCount                          = 1                                        {product} {command line}",
+            "intx CICompilerCount                          = 1                                        {product} {command line}",
+            "intx CICompilerCount                          = 2                                        {product} {command line}",
     };
 
     private static final int[] TIERED_EXIT = {
         1,
         0,
+        0,
+        0,
         1,
+        0,
+        0,
         0
     };
 
-    private static void verifyValidOption(String[] arguments, String[] expected_outputs, int exit, boolean tiered) throws Exception {
+    private static void verifyValidOption(String[] arguments, String expected_output, int exit, boolean tiered) throws Exception {
         ProcessBuilder pb;
         OutputAnalyzer out;
 
@@ -157,9 +194,7 @@ public class CheckCICompilerCount {
 
         try {
             out.shouldHaveExitValue(exit);
-            for (String expected_output : expected_outputs) {
-                out.shouldContain(expected_output);
-            }
+            out.shouldContain(expected_output);
         } catch (RuntimeException e) {
             // Check if tiered compilation is available in this JVM
             // Version. Throw exception only if it is available.
diff --git a/hotspot/test/compiler/arraycopy/TestEliminatedArrayCopyDeopt.java b/hotspot/test/compiler/arraycopy/TestEliminatedArrayCopyDeopt.java
index 80f81c64c9d..85be6c5d428 100644
--- a/hotspot/test/compiler/arraycopy/TestEliminatedArrayCopyDeopt.java
+++ b/hotspot/test/compiler/arraycopy/TestEliminatedArrayCopyDeopt.java
@@ -25,7 +25,6 @@
  * @test
  * @bug 8130847 8156760
  * @summary Eliminated instance/array written to by an array copy variant must be correctly initialized when reallocated at a deopt
- * @ignore 8136818
  * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
  *                   compiler.arraycopy.TestEliminatedArrayCopyDeopt
  * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
diff --git a/hotspot/test/compiler/c2/Test6792161.java b/hotspot/test/compiler/c2/Test6792161.java
index fa4aaddcdfd..c2b22412681 100644
--- a/hotspot/test/compiler/c2/Test6792161.java
+++ b/hotspot/test/compiler/c2/Test6792161.java
@@ -27,7 +27,7 @@
  * @bug 6792161
  * @summary assert("No dead instructions after post-alloc")
  *
- * @run main/othervm/timeout=600 -Xcomp -XX:MaxInlineSize=120 compiler.c2.Test6792161
+ * @run main/othervm/timeout=600 -Xcomp -XX:-TieredCompilation -XX:MaxInlineSize=120 compiler.c2.Test6792161
  */
 
 package compiler.c2;
diff --git a/hotspot/test/compiler/codecache/jmx/InitialAndMaxUsageTest.java b/hotspot/test/compiler/codecache/jmx/InitialAndMaxUsageTest.java
index ea17ba28bdb..e96dc4713d9 100644
--- a/hotspot/test/compiler/codecache/jmx/InitialAndMaxUsageTest.java
+++ b/hotspot/test/compiler/codecache/jmx/InitialAndMaxUsageTest.java
@@ -36,6 +36,11 @@
  *     -XX:CompileCommand=compileonly,null::* -XX:-UseLargePages
  *     -XX:+SegmentedCodeCache
  *     compiler.codecache.jmx.InitialAndMaxUsageTest
+ * @run main/othervm -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing
+ *     -XX:-MethodFlushing -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
+ *     -XX:CompileCommand=compileonly,null::* -XX:-UseLargePages
+ *     -XX:-SegmentedCodeCache
+ *     compiler.codecache.jmx.InitialAndMaxUsageTest
  */
 
 package compiler.codecache.jmx;
@@ -70,10 +75,16 @@ public class InitialAndMaxUsageTest {
         }
     }
 
-    private void fillWithSize(long size, List blobs) {
+    private void fillWithSize(long size, List blobs, MemoryPoolMXBean bean) {
         long blob;
-        while ((blob = CodeCacheUtils.WB.allocateCodeBlob(size, btype.id))
-                != 0L) {
+        /* Don't fill too much to have space for adapters. So, stop after crossing 95% and
+           don't allocate in case we'll cross 97% on next allocation. We can hit situation
+           like 94% -> (1 allocation) -> 100% otherwise. So, check if
+            is less than 97%, then allocate in case it is, then, stop
+           further allocations with given size in case  more than 95% */
+        while (((double) bean.getUsage().getUsed() + size <= (CACHE_USAGE_COEF + 0.02d)  * maxSize)
+                && (blob = CodeCacheUtils.WB.allocateCodeBlob(size, btype.id)) != 0L
+                && ((double) bean.getUsage().getUsed() <= CACHE_USAGE_COEF * maxSize)) {
             blobs.add(blob);
         }
     }
@@ -90,13 +101,13 @@ public class InitialAndMaxUsageTest {
             Asserts.assertEQ(initialUsage, 0L, "Unexpected initial usage");
         }
         ArrayList blobs = new ArrayList<>();
-        long minAllocationUnit = Math.max(0, CodeCacheUtils.MIN_ALLOCATION - headerSize);
+        long minAllocationUnit = Math.max(1, CodeCacheUtils.MIN_ALLOCATION - headerSize);
         /* now filling code cache with large-sized allocation first, since
          lots of small allocations takes too much time, so, just a small
          optimization */
         try {
             for (int coef = 1000000; coef > 0; coef /= 10) {
-                fillWithSize(coef * minAllocationUnit, blobs);
+                fillWithSize(coef * minAllocationUnit, blobs, bean);
             }
             Asserts.assertGT((double) bean.getUsage().getUsed(),
                     CACHE_USAGE_COEF * maxSize, String.format("Unable to fill "
diff --git a/hotspot/test/compiler/codecache/jmx/ThresholdNotificationsTest.java b/hotspot/test/compiler/codecache/jmx/ThresholdNotificationsTest.java
index 86b22cd5fec..e173fc8a6c7 100644
--- a/hotspot/test/compiler/codecache/jmx/ThresholdNotificationsTest.java
+++ b/hotspot/test/compiler/codecache/jmx/ThresholdNotificationsTest.java
@@ -31,11 +31,11 @@
  * @build compiler.codecache.jmx.ThresholdNotificationsTest
  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
- * @run main/othervm -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing
  *     -XX:+WhiteBoxAPI -XX:-MethodFlushing -XX:CompileCommand=compileonly,null::*
  *     -XX:+SegmentedCodeCache
  *     compiler.codecache.jmx.ThresholdNotificationsTest
- * @run main/othervm -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing
  *     -XX:+WhiteBoxAPI -XX:-MethodFlushing -XX:CompileCommand=compileonly,null::*
  *     -XX:-SegmentedCodeCache
  *     compiler.codecache.jmx.ThresholdNotificationsTest
@@ -63,7 +63,9 @@ public class ThresholdNotificationsTest implements NotificationListener {
 
     public static void main(String[] args) {
         for (BlobType bt : BlobType.getAvailable()) {
-            new ThresholdNotificationsTest(bt).runTest();
+            if (CodeCacheUtils.isCodeHeapPredictable(bt)) {
+                new ThresholdNotificationsTest(bt).runTest();
+            }
         }
     }
 
diff --git a/hotspot/test/compiler/codecache/jmx/UsageThresholdExceededTest.java b/hotspot/test/compiler/codecache/jmx/UsageThresholdExceededTest.java
index baa2ebe351b..154a096a277 100644
--- a/hotspot/test/compiler/codecache/jmx/UsageThresholdExceededTest.java
+++ b/hotspot/test/compiler/codecache/jmx/UsageThresholdExceededTest.java
@@ -63,7 +63,9 @@ public class UsageThresholdExceededTest {
     public static void main(String[] args) {
         int iterationsCount = Integer.getInteger("jdk.test.lib.iterations", 1);
         for (BlobType btype : BlobType.getAvailable()) {
-            new UsageThresholdExceededTest(btype, iterationsCount).runTest();
+            if (CodeCacheUtils.isCodeHeapPredictable(btype)) {
+                new UsageThresholdExceededTest(btype, iterationsCount).runTest();
+            }
         }
     }
 
diff --git a/hotspot/test/compiler/codecache/jmx/UsageThresholdIncreasedTest.java b/hotspot/test/compiler/codecache/jmx/UsageThresholdIncreasedTest.java
index 2f628229cf1..f432f8a1e70 100644
--- a/hotspot/test/compiler/codecache/jmx/UsageThresholdIncreasedTest.java
+++ b/hotspot/test/compiler/codecache/jmx/UsageThresholdIncreasedTest.java
@@ -29,9 +29,9 @@
  * @modules java.base/jdk.internal.misc
  *          java.management
  *
+ * @build compiler.codecache.jmx.UsageThresholdIncreasedTest
  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
- * @build compiler.codecache.jmx.UsageThresholdIncreasedTest
  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  *     -XX:+WhiteBoxAPI -XX:-UseCodeCacheFlushing  -XX:-MethodFlushing
  *     -XX:CompileCommand=compileonly,null::*
diff --git a/hotspot/test/compiler/codecache/stress/RandomAllocationTest.java b/hotspot/test/compiler/codecache/stress/RandomAllocationTest.java
index f1b8fd26890..761cbfd4842 100644
--- a/hotspot/test/compiler/codecache/stress/RandomAllocationTest.java
+++ b/hotspot/test/compiler/codecache/stress/RandomAllocationTest.java
@@ -24,6 +24,7 @@
 
 /*
  * @test RandomAllocationTest
+ * @key stress
  * @summary stressing code cache by allocating randomly sized "dummy" code blobs
  * @library /testlibrary /test/lib /
  * @modules java.base/jdk.internal.misc
diff --git a/hotspot/test/compiler/codecache/stress/UnexpectedDeoptimizationTest.java b/hotspot/test/compiler/codecache/stress/UnexpectedDeoptimizationTest.java
index c6e455d4986..4cd43a154e7 100644
--- a/hotspot/test/compiler/codecache/stress/UnexpectedDeoptimizationTest.java
+++ b/hotspot/test/compiler/codecache/stress/UnexpectedDeoptimizationTest.java
@@ -24,6 +24,7 @@
 
 /*
  * @test UnexpectedDeoptimizationTest
+ * @key stress
  * @summary stressing code cache by forcing unexpected deoptimizations
  * @library /testlibrary /test/lib /
  * @modules java.base/jdk.internal.misc
diff --git a/hotspot/test/compiler/codegen/aes/TestAESMain.java b/hotspot/test/compiler/codegen/aes/TestAESMain.java
index 679cd880e53..36353ca45f3 100644
--- a/hotspot/test/compiler/codegen/aes/TestAESMain.java
+++ b/hotspot/test/compiler/codegen/aes/TestAESMain.java
@@ -25,6 +25,7 @@
 /**
  * @test
  * @bug 7184394
+ * @key stress
  * @summary add intrinsics to use AES instructions
  * @library /testlibrary /
  * @modules java.base/jdk.internal.misc
diff --git a/hotspot/test/compiler/floatingpoint/ModNaN.java b/hotspot/test/compiler/floatingpoint/ModNaN.java
index a1bdcdcdd61..30bc0285781 100644
--- a/hotspot/test/compiler/floatingpoint/ModNaN.java
+++ b/hotspot/test/compiler/floatingpoint/ModNaN.java
@@ -26,7 +26,6 @@
  * @bug 8015396
  * @summary double a%b returns NaN for some (a,b) (|a| < inf, |b|>0) (on Core i7 980X)
  *
- * @ignore 8145543
  * @run main compiler.floatingpoint.ModNaN
  */
 
diff --git a/hotspot/test/compiler/intrinsics/IntrinsicAvailableTest.java b/hotspot/test/compiler/intrinsics/IntrinsicAvailableTest.java
index dd55d5496c9..ddc5bd04f8a 100644
--- a/hotspot/test/compiler/intrinsics/IntrinsicAvailableTest.java
+++ b/hotspot/test/compiler/intrinsics/IntrinsicAvailableTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 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
@@ -114,7 +114,7 @@ public class IntrinsicAvailableTest extends CompilerWhiteBoxTest {
 
     public void test() throws Exception {
         Executable intrinsicMethod = testCase.getExecutable();
-        if (Platform.isServer()) {
+        if (Platform.isServer() && (TIERED_STOP_AT_LEVEL == COMP_LEVEL_FULL_OPTIMIZATION)) {
             if (TIERED_COMPILATION) {
                 checkIntrinsicForCompilationLevel(intrinsicMethod, COMP_LEVEL_SIMPLE);
             }
diff --git a/hotspot/test/compiler/intrinsics/IntrinsicDisabledTest.java b/hotspot/test/compiler/intrinsics/IntrinsicDisabledTest.java
index 7cbe3cb6088..53cf827602f 100644
--- a/hotspot/test/compiler/intrinsics/IntrinsicDisabledTest.java
+++ b/hotspot/test/compiler/intrinsics/IntrinsicDisabledTest.java
@@ -59,9 +59,9 @@ public class IntrinsicDisabledTest {
     private static final int COMP_LEVEL_FULL_OPTIMIZATION = 4;
 
     /* Determine if tiered compilation is enabled. */
-    private static boolean isTieredCompilationEnabled() {
-        return Boolean.valueOf(Objects.toString(wb.getVMFlag("TieredCompilation")));
-    }
+    private static final boolean TIERED_COMPILATION = wb.getBooleanVMFlag("TieredCompilation");
+
+    private static final int TIERED_STOP_AT_LEVEL = wb.getIntxVMFlag("TieredStopAtLevel").intValue();
 
     /* This test uses several methods from jdk.internal.misc.Unsafe. The method
      * getMethod() returns a different Executable for each different
@@ -202,8 +202,8 @@ public class IntrinsicDisabledTest {
     }
 
     public static void main(String args[]) {
-        if (Platform.isServer()) {
-            if (isTieredCompilationEnabled()) {
+        if (Platform.isServer() && (TIERED_STOP_AT_LEVEL == COMP_LEVEL_FULL_OPTIMIZATION)) {
+            if (TIERED_COMPILATION) {
                 test(COMP_LEVEL_SIMPLE);
             }
             test(COMP_LEVEL_FULL_OPTIMIZATION);
diff --git a/hotspot/test/compiler/jvmci/common/patches/jdk.vm.ci/jdk/vm/ci/hotspot/CompilerToVMHelper.java b/hotspot/test/compiler/jvmci/common/patches/jdk.vm.ci/jdk/vm/ci/hotspot/CompilerToVMHelper.java
index f2b40928602..2985ed89a94 100644
--- a/hotspot/test/compiler/jvmci/common/patches/jdk.vm.ci/jdk/vm/ci/hotspot/CompilerToVMHelper.java
+++ b/hotspot/test/compiler/jvmci/common/patches/jdk.vm.ci/jdk/vm/ci/hotspot/CompilerToVMHelper.java
@@ -273,8 +273,8 @@ public class CompilerToVMHelper {
         return CTVM.getResolvedJavaMethod(base, displacement);
     }
 
-    public static HotSpotConstantPool getConstantPool(Object base, long displacement) {
-        return CTVM.getConstantPool(base, displacement);
+    public static HotSpotConstantPool getConstantPool(Object object) {
+        return CTVM.getConstantPool(object);
     }
 
     public static HotSpotResolvedObjectType getResolvedJavaType(Object base,
diff --git a/hotspot/test/compiler/jvmci/common/testcases/DuplicateSimpleSingleImplementerInterface.java b/hotspot/test/compiler/jvmci/common/testcases/DuplicateSimpleSingleImplementerInterface.java
new file mode 100644
index 00000000000..03f18e92a70
--- /dev/null
+++ b/hotspot/test/compiler/jvmci/common/testcases/DuplicateSimpleSingleImplementerInterface.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+package compiler.jvmci.common.testcases;
+
+public interface DuplicateSimpleSingleImplementerInterface {
+    void interfaceMethod();
+}
diff --git a/hotspot/test/compiler/jvmci/common/testcases/MultipleSuperImplementers.java b/hotspot/test/compiler/jvmci/common/testcases/MultipleSuperImplementers.java
new file mode 100644
index 00000000000..d7f297e6101
--- /dev/null
+++ b/hotspot/test/compiler/jvmci/common/testcases/MultipleSuperImplementers.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+package compiler.jvmci.common.testcases;
+
+public abstract class MultipleSuperImplementers implements DuplicateSimpleSingleImplementerInterface, SimpleSingleImplementerInterface {
+    public void finalize() {
+    }
+}
diff --git a/hotspot/test/compiler/jvmci/common/testcases/SimpleSingleImplementerInterface.java b/hotspot/test/compiler/jvmci/common/testcases/SimpleSingleImplementerInterface.java
new file mode 100644
index 00000000000..4f03bbb761c
--- /dev/null
+++ b/hotspot/test/compiler/jvmci/common/testcases/SimpleSingleImplementerInterface.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+package compiler.jvmci.common.testcases;
+
+public interface SimpleSingleImplementerInterface {
+    void interfaceMethod();
+}
diff --git a/hotspot/test/compiler/jvmci/compilerToVM/FindUniqueConcreteMethodTest.java b/hotspot/test/compiler/jvmci/compilerToVM/FindUniqueConcreteMethodTest.java
index 3c818d9f2d5..5eccc6d1164 100644
--- a/hotspot/test/compiler/jvmci/compilerToVM/FindUniqueConcreteMethodTest.java
+++ b/hotspot/test/compiler/jvmci/compilerToVM/FindUniqueConcreteMethodTest.java
@@ -32,6 +32,8 @@
  *          java.base/jdk.internal.org.objectweb.asm.tree
  *          jdk.vm.ci/jdk.vm.ci.hotspot
  *          jdk.vm.ci/jdk.vm.ci.code
+ *          jdk.vm.ci/jdk.vm.ci.meta
+ *          jdk.vm.ci/jdk.vm.ci.runtime
  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  * @build compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest
  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
@@ -41,7 +43,10 @@
 package compiler.jvmci.compilerToVM;
 
 import compiler.jvmci.common.CTVMUtilities;
+import compiler.jvmci.common.testcases.DuplicateSimpleSingleImplementerInterface;
+import compiler.jvmci.common.testcases.SimpleSingleImplementerInterface;
 import compiler.jvmci.common.testcases.MultipleImplementer1;
+import compiler.jvmci.common.testcases.MultipleSuperImplementers;
 import compiler.jvmci.common.testcases.SingleImplementer;
 import compiler.jvmci.common.testcases.SingleImplementerInterface;
 import compiler.jvmci.common.testcases.SingleSubclass;
@@ -96,6 +101,11 @@ public class FindUniqueConcreteMethodTest {
         // static method
         result.add(new TestCase(false, SingleSubclass.class,
                 SingleSubclass.class, "staticMethod"));
+        // interface method
+        result.add(new TestCase(false, MultipleSuperImplementers.class,
+                                DuplicateSimpleSingleImplementerInterface.class, "interfaceMethod", false));
+        result.add(new TestCase(false, MultipleSuperImplementers.class,
+                                SimpleSingleImplementerInterface.class, "interfaceMethod", false));
         return result;
     }
 
@@ -103,7 +113,7 @@ public class FindUniqueConcreteMethodTest {
         System.out.println(tcase);
         Method method = tcase.holder.getDeclaredMethod(tcase.methodName);
         HotSpotResolvedJavaMethod testMethod = CTVMUtilities
-                .getResolvedMethod(tcase.receiver, method);
+            .getResolvedMethod(tcase.methodFromReceiver ? tcase.receiver : tcase.holder, method);
         HotSpotResolvedObjectType resolvedType = CompilerToVMHelper
                 .lookupType(Utils.toJVMTypeSignature(tcase.receiver), getClass(),
                 /* resolve = */ true);
@@ -118,20 +128,25 @@ public class FindUniqueConcreteMethodTest {
         public final Class holder;
         public final String methodName;
         public final boolean isPositive;
+        public final boolean methodFromReceiver;
 
         public TestCase(boolean isPositive, Class clazz, Class holder,
-                String methodName) {
+                        String methodName, boolean methodFromReceiver) {
             this.receiver = clazz;
             this.methodName = methodName;
             this.isPositive = isPositive;
             this.holder = holder;
+            this.methodFromReceiver = methodFromReceiver;
+        }
+
+        public TestCase(boolean isPositive, Class clazz, Class holder, String methodName) {
+            this(isPositive, clazz, holder, methodName, true);
         }
 
         @Override
         public String toString() {
-            return String.format("CASE: receiver=%s, holder=%s, method=%s,"
-                    + " isPositive=%s", receiver.getName(),
-                    holder.getName(), methodName, isPositive);
+            return String.format("CASE: receiver=%s, holder=%s, method=%s, isPositive=%s, methodFromReceiver=%s",
+                                 receiver.getName(), holder.getName(), methodName, isPositive, methodFromReceiver);
         }
     }
 }
diff --git a/hotspot/test/compiler/jvmci/compilerToVM/GetConstantPoolTest.java b/hotspot/test/compiler/jvmci/compilerToVM/GetConstantPoolTest.java
index ceb35fe6378..097d42e5235 100644
--- a/hotspot/test/compiler/jvmci/compilerToVM/GetConstantPoolTest.java
+++ b/hotspot/test/compiler/jvmci/compilerToVM/GetConstantPoolTest.java
@@ -29,187 +29,76 @@
  * @library /testlibrary /test/lib /
  * @library ../common/patches
  * @modules java.base/jdk.internal.misc
- * @modules jdk.vm.ci/jdk.vm.ci.hotspot
+ * @modules java.base/jdk.internal.org.objectweb.asm
+            java.base/jdk.internal.org.objectweb.asm.tree
+            jdk.vm.ci/jdk.vm.ci.hotspot
  *          jdk.vm.ci/jdk.vm.ci.meta
+ *          jdk.vm.ci/jdk.vm.ci.code
  *
  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
- * @build jdk.vm.ci/jdk.vm.ci.hotspot.PublicMetaspaceWrapperObject
  * @build compiler.jvmci.compilerToVM.GetConstantPoolTest
- * @build sun.hotspot.WhiteBox
- * @run driver ClassFileInstaller sun.hotspot.WhiteBox
- *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  * @run main/othervm -Xbootclasspath/a:.
- *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
+ *                   -XX:+UnlockDiagnosticVMOptions
  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  *                   compiler.jvmci.compilerToVM.GetConstantPoolTest
  */
 package compiler.jvmci.compilerToVM;
 
-import jdk.internal.misc.Unsafe;
 import jdk.test.lib.Utils;
+import compiler.jvmci.common.CTVMUtilities;
+import compiler.jvmci.common.testcases.TestCase;
 import jdk.vm.ci.hotspot.CompilerToVMHelper;
 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
-import jdk.vm.ci.hotspot.PublicMetaspaceWrapperObject;
+import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
 import jdk.vm.ci.meta.ConstantPool;
-import sun.hotspot.WhiteBox;
 
 import java.lang.reflect.Field;
+import java.lang.reflect.Executable;
 
 /**
  * Tests for jdk.vm.ci.hotspot.CompilerToVM::getConstantPool method
  */
 public class GetConstantPoolTest {
-    private static enum TestCase {
-        NULL_BASE {
-            @Override
-            ConstantPool getConstantPool() {
-                return CompilerToVMHelper.getConstantPool(null,
-                        getPtrToCpAddress());
-            }
-        },
-        JAVA_METHOD_BASE {
-            @Override
-            ConstantPool getConstantPool() {
-                HotSpotResolvedJavaMethod methodInstance
-                        = CompilerToVMHelper.getResolvedJavaMethodAtSlot(
-                                TEST_CLASS, 0);
-                Field field;
-                try {
-                    // jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl.metaspaceMethod
-                    field = methodInstance.getClass()
-                            .getDeclaredField("metaspaceMethod");
-                    field.setAccessible(true);
-                    field.set(methodInstance, getPtrToCpAddress());
-                } catch (ReflectiveOperationException e) {
-                    throw new Error("TESTBUG : " + e, e);
-                }
 
-                return CompilerToVMHelper.getConstantPool(methodInstance, 0L);
-            }
-        },
-        CONSTANT_POOL_BASE {
-            @Override
-            ConstantPool getConstantPool() {
-                ConstantPool cpInst;
-                try {
-                    cpInst = CompilerToVMHelper.getConstantPool(null,
-                            getPtrToCpAddress());
-                    Field field = CompilerToVMHelper.HotSpotConstantPoolClass()
-                            .getDeclaredField("metaspaceConstantPool");
-                    field.setAccessible(true);
-                    field.set(cpInst, getPtrToCpAddress());
-                } catch (ReflectiveOperationException e) {
-                    throw new Error("TESTBUG : " + e.getMessage(), e);
-                }
-                return CompilerToVMHelper.getConstantPool(cpInst, 0L);
-            }
-        },
-        CONSTANT_POOL_BASE_IN_TWO {
-            @Override
-            ConstantPool getConstantPool() {
-                long ptr = getPtrToCpAddress();
-                ConstantPool cpInst;
-                try {
-                    cpInst = CompilerToVMHelper.getConstantPool(null, ptr);
-                    Field field = CompilerToVMHelper.HotSpotConstantPoolClass()
-                            .getDeclaredField("metaspaceConstantPool");
-                    field.setAccessible(true);
-                    field.set(cpInst, ptr / 2L);
-                } catch (ReflectiveOperationException e) {
-                    throw new Error("TESTBUG : " + e.getMessage(), e);
-                }
-                return CompilerToVMHelper.getConstantPool(cpInst,
-                        ptr - ptr / 2L);
-            }
-        },
-        CONSTANT_POOL_BASE_ZERO {
-            @Override
-            ConstantPool getConstantPool() {
-                long ptr = getPtrToCpAddress();
-                ConstantPool cpInst;
-                try {
-                    cpInst = CompilerToVMHelper.getConstantPool(null, ptr);
-                    Field field = CompilerToVMHelper.HotSpotConstantPoolClass()
-                            .getDeclaredField("metaspaceConstantPool");
-                    field.setAccessible(true);
-                    field.set(cpInst, 0L);
-                } catch (ReflectiveOperationException e) {
-                    throw new Error("TESTBUG : " + e.getMessage(), e);
-                }
-                return CompilerToVMHelper.getConstantPool(cpInst, ptr);
-            }
-        },
-        ;
-        abstract ConstantPool getConstantPool();
+    public static void testMethod(Executable executable) {
+        test(CTVMUtilities.getResolvedMethod(executable));
     }
 
-    private static final WhiteBox WB = WhiteBox.getWhiteBox();
-    private static final Unsafe UNSAFE = Utils.getUnsafe();
+    public static void testClass(Class cls) {
+        HotSpotResolvedObjectType type = CompilerToVMHelper
+                .lookupType(Utils.toJVMTypeSignature(cls),
+                        GetConstantPoolTest.class, /* resolve = */ true);
+        test(type);
+    }
 
-    private static final Class TEST_CLASS = GetConstantPoolTest.class;
-    private static final long CP_ADDRESS
-            = WB.getConstantPool(GetConstantPoolTest.class);
-
-    public void test(TestCase testCase) {
-        System.out.println(testCase.name());
-        ConstantPool cp = testCase.getConstantPool();
-        String cpStringRep = cp.toString();
-        String cpClassSimpleName
-                = CompilerToVMHelper.HotSpotConstantPoolClass().getSimpleName();
-        if (!cpStringRep.contains(cpClassSimpleName)
-                || !cpStringRep.contains(TEST_CLASS.getName())) {
-            String msg = String.format("%s : "
-                    + " Constant pool is not valid."
-                    + " String representation should contain \"%s\" and \"%s\"",
-                    testCase.name(), cpClassSimpleName,
-                    TEST_CLASS.getName());
-            throw new AssertionError(msg);
-        }
+    private static void test(Object object) {
+        ConstantPool cp = CompilerToVMHelper.getConstantPool(object);
+        System.out.println(object + " -> " + cp);
     }
 
     public static void main(String[] args) {
-        GetConstantPoolTest test = new GetConstantPoolTest();
-        for (TestCase testCase : TestCase.values()) {
-            test.test(testCase);
-        }
-        testObjectBase();
-        testMetaspaceWrapperBase();
+        TestCase.getAllClasses().forEach(GetConstantPoolTest::testClass);
+        TestCase.getAllExecutables().forEach(GetConstantPoolTest::testMethod);
+        testNull();
+        testObject();
     }
 
-    private static void testObjectBase() {
+    private static void testNull() {
         try {
-            Object cp = CompilerToVMHelper.getConstantPool(new Object(), 0L);
-            throw new AssertionError("Test OBJECT_BASE."
+            Object cp = CompilerToVMHelper.getConstantPool(null);
+            throw new AssertionError("Test OBJECT."
+                + " Expected IllegalArgumentException has not been caught");
+        } catch (NullPointerException npe) {
+            // expected
+        }
+    }
+    private static void testObject() {
+        try {
+            Object cp = CompilerToVMHelper.getConstantPool(new Object());
+            throw new AssertionError("Test OBJECT."
                 + " Expected IllegalArgumentException has not been caught");
         } catch (IllegalArgumentException iae) {
             // expected
         }
     }
-    private static void testMetaspaceWrapperBase() {
-        try {
-            Object cp = CompilerToVMHelper.getConstantPool(
-                    new PublicMetaspaceWrapperObject() {
-                        @Override
-                        public long getMetaspacePointer() {
-                            return getPtrToCpAddress();
-                        }
-                    }, 0L);
-            throw new AssertionError("Test METASPACE_WRAPPER_BASE."
-                + " Expected IllegalArgumentException has not been caught");
-        } catch (IllegalArgumentException iae) {
-            // expected
-        }
-    }
-
-    private static long getPtrToCpAddress() {
-        Field field;
-        try {
-            field = TEST_CLASS.getDeclaredField("CP_ADDRESS");
-        } catch (NoSuchFieldException nsfe) {
-            throw new Error("TESTBUG : cannot find field \"CP_ADDRESS\" : "
-                    + nsfe.getMessage(), nsfe);
-        }
-        Object base = UNSAFE.staticFieldBase(field);
-        return WB.getObjectAddress(base) + UNSAFE.staticFieldOffset(field);
-    }
 }
diff --git a/hotspot/test/compiler/runtime/cr8015436/Driver8015436.java b/hotspot/test/compiler/runtime/cr8015436/Driver8015436.java
new file mode 100644
index 00000000000..79c4eb8971a
--- /dev/null
+++ b/hotspot/test/compiler/runtime/cr8015436/Driver8015436.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+package compiler.runtime.cr8015436;
+
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+public class Driver8015436 {
+    public static void main(String args[]) {
+        OutputAnalyzer oa;
+        try {
+            oa = ProcessTools.executeProcess(ProcessTools.createJavaProcessBuilder(
+                    /* add test vm options */ true, Test8015436.class.getName()));
+        } catch (Exception ex) {
+            throw new Error("TESTBUG: exception while running child process: " + ex, ex);
+        }
+        oa.shouldHaveExitValue(0);
+        oa.shouldContain(Test8015436.SOME_MTD_INVOKED);
+        oa.shouldContain(Test8015436.DEFAULT_MTD_INVOKED_DIRECTLY);
+        oa.shouldContain(Test8015436.DEFAULT_MTD_INVOKED_MH);
+    }
+}
diff --git a/hotspot/test/compiler/runtime/cr8015436/Test8015436.java b/hotspot/test/compiler/runtime/cr8015436/Test8015436.java
index 8c70624f32a..256f352b87e 100644
--- a/hotspot/test/compiler/runtime/cr8015436/Test8015436.java
+++ b/hotspot/test/compiler/runtime/cr8015436/Test8015436.java
@@ -25,8 +25,12 @@
  * @test
  * @bug 8015436
  * @summary the IK _initial_method_idnum value must be adjusted if overpass methods are added
+ * @library /test/lib/share/classes /
+ * @modules java.base/jdk.internal.misc
+ * @build compiler.runtime.cr8015436.Test8015436
+ *        compiler.runtime.cr8015436.Driver8015436
  *
- * @run main compiler.runtime.cr8015436.Test8015436
+ * @run driver compiler.runtime.cr8015436.Driver8015436
  */
 
 /*
@@ -45,20 +49,24 @@ import java.lang.invoke.MethodHandles;
 import java.lang.invoke.MethodType;
 
 public class Test8015436 implements InterfaceWithDefaultMethod {
+    public static final String SOME_MTD_INVOKED = "someMethod() invoked";
+    public static final String DEFAULT_MTD_INVOKED_DIRECTLY = "defaultMethod() invoked directly";
+    public static final String DEFAULT_MTD_INVOKED_MH = "defaultMethod() invoked via a MethodHandle";
+
     @Override
     public void someMethod() {
-        System.out.println("someMethod() invoked");
+        System.out.println(SOME_MTD_INVOKED);
     }
 
     public static void main(String[] args) throws Throwable {
         Test8015436 testObj = new Test8015436();
         testObj.someMethod();
-        testObj.defaultMethod("invoked directly");
+        testObj.defaultMethod(DEFAULT_MTD_INVOKED_DIRECTLY);
 
         MethodHandles.Lookup lookup = MethodHandles.lookup();
         MethodType   mt = MethodType.methodType(void.class, String.class);
         MethodHandle mh = lookup.findVirtual(Test8015436.class, "defaultMethod", mt);
-        mh.invokeExact(testObj, "invoked via a MethodHandle");
+        mh.invokeExact(testObj, DEFAULT_MTD_INVOKED_MH);
     }
 }
 
@@ -66,7 +74,7 @@ interface InterfaceWithDefaultMethod {
     public void someMethod();
 
     default public void defaultMethod(String str){
-        System.out.println("defaultMethod() " + str);
+        System.out.println(str);
     }
 }
 /*
diff --git a/hotspot/test/gc/g1/ihop/TestIHOPErgo.java b/hotspot/test/gc/g1/ihop/TestIHOPErgo.java
index f187d629842..d70c926e298 100644
--- a/hotspot/test/gc/g1/ihop/TestIHOPErgo.java
+++ b/hotspot/test/gc/g1/ihop/TestIHOPErgo.java
@@ -24,6 +24,7 @@
  /*
  * @test TestIHOPErgo
  * @bug 8148397
+ * @key stress
  * @summary Test checks that behavior of Adaptive and Static IHOP at concurrent cycle initiation
  * @requires vm.gc.G1
  * @requires !vm.flightRecorder
diff --git a/hotspot/test/runtime/NMT/CheckForProperDetailStackTrace.java b/hotspot/test/runtime/NMT/CheckForProperDetailStackTrace.java
new file mode 100644
index 00000000000..7936a9b7253
--- /dev/null
+++ b/hotspot/test/runtime/NMT/CheckForProperDetailStackTrace.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+ /*
+ * @test
+ * @key nmt
+ * @summary Running with NMT detail should produce expected stack traces.
+ * @library /testlibrary
+ * @modules java.base/jdk.internal.misc
+ *          java.management
+ */
+
+import jdk.test.lib.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class CheckForProperDetailStackTrace {
+    /* The stack trace we look for by default. Note that :: has been replaced by .*
+       to make sure it maches even if the symbol is not unmangled. */
+    public static String stackTraceDefault =
+        ".*ModuleEntryTable.*new_entry.*\n" +
+        ".*ModuleEntryTable.*locked_create_entry_or_null.*\n" +
+        ".*Modules.*define_module.*\n" +
+        ".*JVM_DefineModule.*\n";
+
+    /* The stack trace we look for on Solaris and Windows slowdebug builds. For some
+       reason ALWAYSINLINE for AllocateHeap is ignored, so it appears in the stack strace. */
+    public static String stackTraceAllocateHeap =
+        ".*AllocateHeap.*\n" +
+        ".*ModuleEntryTable.*new_entry.*\n" +
+        ".*ModuleEntryTable.*locked_create_entry_or_null.*\n" +
+        ".*Modules.*define_module.*\n";
+
+    /* A symbol that should always be present in NMT detail output. */
+    private static String expectedSymbol =
+        "locked_create_entry_or_null";
+
+    private static final String jdkDebug = System.getProperty("jdk.debug");
+    private static boolean isSlowDebugBuild() {
+        return (jdkDebug.toLowerCase().equals("slowdebug"));
+    }
+
+    public static void main(String args[]) throws Exception {
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+            "-XX:+UnlockDiagnosticVMOptions",
+            "-XX:NativeMemoryTracking=detail",
+            "-XX:+PrintNMTStatistics",
+            "-version");
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+
+        output.shouldHaveExitValue(0);
+
+        // We should never see either of these frames because they are supposed to be skipped. */
+        output.shouldNotContain("NativeCallStack::NativeCallStack");
+        output.shouldNotContain("os::get_native_stack");
+
+        // AllocateHeap shouldn't be in the output because it is suppose to always be inlined.
+        // We check for that here, but allow it for Windows and Solaris slowdebug builds because
+        // the compiler ends up not inlining AllocateHeap.
+        Boolean okToHaveAllocateHeap =
+            isSlowDebugBuild() && (Platform.isSolaris() || Platform.isWindows());
+        if (!okToHaveAllocateHeap) {
+            output.shouldNotContain("AllocateHeap");
+        }
+
+        // See if we have any stack trace symbols in the output
+        boolean hasSymbols =
+            output.getStdout().contains(expectedSymbol) || output.getStderr().contains(expectedSymbol);
+        if (!hasSymbols) {
+            // It's ok for ARM not to have symbols, because it does not support NMT detail
+            // when targeting thumb2. It's also ok for Windows not to have symbols, because
+            // they are only available if the symbols file is included with the build.
+            if (Platform.isWindows() || Platform.isARM()) {
+                return; // we are done
+            }
+            output.reportDiagnosticSummary();
+            throw new RuntimeException("Expected symbol missing missing from output: " + expectedSymbol);
+        }
+
+        /* Make sure the expected NMT detail stack trace is found. */
+        String expectedStackTrace =
+            (okToHaveAllocateHeap ? stackTraceAllocateHeap : stackTraceDefault);
+        if (!stackTraceMatches(expectedStackTrace, output)) {
+            output.reportDiagnosticSummary();
+            throw new RuntimeException("Expected stack trace missing missing from output: " + expectedStackTrace);
+        }
+    }
+
+    public static boolean stackTraceMatches(String stackTrace, OutputAnalyzer output) {
+        Matcher stdoutMatcher = Pattern.compile(stackTrace, Pattern.MULTILINE).matcher(output.getStdout());
+        Matcher stderrMatcher = Pattern.compile(stackTrace, Pattern.MULTILINE).matcher(output.getStderr());
+        return (stdoutMatcher.find() || stderrMatcher.find());
+    }
+}
diff --git a/hotspot/test/runtime/StackGuardPages/exeinvoke.c b/hotspot/test/runtime/StackGuardPages/exeinvoke.c
index fa2a06e9869..da77e42ba7b 100644
--- a/hotspot/test/runtime/StackGuardPages/exeinvoke.c
+++ b/hotspot/test/runtime/StackGuardPages/exeinvoke.c
@@ -242,7 +242,7 @@ int main (int argc, const char** argv) {
       CLASS_PATH_OPT, javaclasspath);
 
   options[0].optionString = "-Xint";
-  options[1].optionString = "-Xss328k";
+  options[1].optionString = "-Xss1M";
   options[2].optionString = javaclasspathopt;
 
   vm_args.version = JNI_VERSION_1_2;
diff --git a/hotspot/test/runtime/Unsafe/NestedUnsafe.java b/hotspot/test/runtime/Unsafe/NestedUnsafe.java
new file mode 100644
index 00000000000..f009d6dddd4
--- /dev/null
+++ b/hotspot/test/runtime/Unsafe/NestedUnsafe.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary Creates an anonymous class inside of an anonymous class.
+ * @library /testlibrary
+ * @modules java.base/jdk.internal.misc
+ *          java.compiler
+ *          java.management
+ * @run main NestedUnsafe
+ */
+
+import java.security.ProtectionDomain;
+import java.io.InputStream;
+import java.lang.*;
+import jdk.test.lib.*;
+import jdk.internal.misc.Unsafe;
+import static jdk.test.lib.Asserts.*;
+
+// package p;
+
+public class NestedUnsafe {
+    // The String concatenation should create the nested anonymous class.
+    static byte klassbuf[] = InMemoryJavaCompiler.compile("TestClass",
+        "public class TestClass { " +
+        "    public static void concat(String one, String two) throws Throwable { " +
+        "        System.out.println(one + two);" +
+        " } } ");
+
+    public static void main(String args[]) throws Exception {
+        Unsafe unsafe = Utils.getUnsafe();
+
+        Class klass = unsafe.defineAnonymousClass(NestedUnsafe.class, klassbuf, new Object[0]);
+        unsafe.ensureClassInitialized(klass);
+        Class[] cArgs = new Class[2];
+        cArgs[0] = String.class;
+        cArgs[1] = String.class;
+        try {
+            klass.getMethod("concat", cArgs).invoke(null, "AA", "BB");
+        } catch (Throwable ex) {
+            throw new RuntimeException("Exception: " + ex.toString());
+        }
+
+        // The anonymous class calls defineAnonymousClass creating a nested anonymous class.
+        byte klassbuf2[] = InMemoryJavaCompiler.compile("TestClass2",
+            "import jdk.internal.misc.Unsafe; " +
+            "public class TestClass2 { " +
+            "    public static void doit() throws Throwable { " +
+            "        Unsafe unsafe = jdk.internal.misc.Unsafe.getUnsafe(); " +
+            "        Class klass2 = unsafe.defineAnonymousClass(TestClass2.class, NestedUnsafe.klassbuf, new Object[0]); " +
+            "        unsafe.ensureClassInitialized(klass2); " +
+            "        Class[] dArgs = new Class[2]; " +
+            "        dArgs[0] = String.class; " +
+            "        dArgs[1] = String.class; " +
+            "        try { " +
+            "            klass2.getMethod(\"concat\", dArgs).invoke(null, \"CC\", \"DD\"); " +
+            "        } catch (Throwable ex) { " +
+            "            throw new RuntimeException(\"Exception: \" + ex.toString()); " +
+            "        } " +
+            "} } ",
+            "-XaddExports:java.base/jdk.internal.misc=ALL-UNNAMED");
+        Class klass2 = unsafe.defineAnonymousClass(NestedUnsafe.class, klassbuf2, new Object[0]);
+        try {
+            klass2.getMethod("doit").invoke(null);
+        } catch (Throwable ex) {
+            throw new RuntimeException("Exception: " + ex.toString());
+        }
+    }
+}
diff --git a/hotspot/test/serviceability/sa/sadebugd/SADebugDTest.java b/hotspot/test/serviceability/sa/sadebugd/SADebugDTest.java
new file mode 100644
index 00000000000..a9cf6e53119
--- /dev/null
+++ b/hotspot/test/serviceability/sa/sadebugd/SADebugDTest.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary Checks that the jshdb debugd utility sucessfully starts
+ *          and tries to attach to a running process
+ * @modules java.base/jdk.internal.misc
+ * @library /test/lib/share/classes
+ *
+ * @ignore 8163805
+ * @run main/othervm SADebugDTest
+ */
+import java.io.File;
+import java.util.concurrent.CountDownLatch;
+import java.io.InputStreamReader;
+import java.io.BufferedReader;
+import java.io.Reader;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Predicate;
+import static jdk.test.lib.Asserts.assertTrue;
+import static jdk.test.lib.Platform.shouldSAAttach;
+import static jdk.test.lib.process.ProcessTools.startProcess;
+
+public class SADebugDTest {
+
+    private static final String GOLDEN = "Attaching to process ID %d and starting RMI services, please wait...";
+
+    private static final String JAVA_HOME = (System.getProperty("test.jdk") != null)
+            ? System.getProperty("test.jdk") : System.getProperty("java.home");
+
+    private static final String JAVA_BIN_DIR
+            = JAVA_HOME + File.separator + "bin" + File.separator;
+
+    private static final String JHSDB = JAVA_BIN_DIR + "jhsdb";
+
+    public static void main(String[] args) throws Exception {
+
+        if (!shouldSAAttach()) {
+            log("Not possible to attach the SA. Skipping the test");
+            return;
+        }
+
+        long ourPid = ProcessHandle.current().getPid();
+
+        // The string we are expecting in the debugd ouput
+        String golden = String.format(GOLDEN, ourPid);
+
+        // We are going to run 'jhsdb debugd '
+        // The startProcess will block untl the 'golden' string appears in either process' stdout or stderr
+        // In case of timeout startProcess kills the debugd process
+        ProcessBuilder pb = new ProcessBuilder();
+        pb.command(JHSDB, "debugd", String.valueOf(ourPid));
+        Process debugd = startProcess("debugd", pb, null, (line) -> line.trim().contains(golden), 0, TimeUnit.SECONDS);
+
+        // If we are here, this means we have received the golden line and the test has passed
+        // The debugd remains running, we have to kill it
+        debugd.destroy();
+
+    }
+
+    private static void log(String string) {
+        System.out.println(string);
+    }
+
+}
diff --git a/make/common/Modules.gmk b/make/common/Modules.gmk
index ef77ffd5213..9f1482e0c64 100644
--- a/make/common/Modules.gmk
+++ b/make/common/Modules.gmk
@@ -229,6 +229,7 @@ $(MODULE_DEPS_MAKEFILE): $(MODULE_INFOS) \
 	                       sub(/public/, ""); \
 	                       sub(/\/\/.*/, ""); \
 	                       sub(/\/\*.*\*\//, ""); \
+	                       gsub(/^ +\*.*/, ""); \
 	                       gsub(/ /, ""); \
 	                       printf(" %s", $$0) } \
 	          END        { printf("\n") }' $m \