changeset 44328:c8a4180a460b

Merge
author lana
date Thu, 23 Mar 2017 22:57:41 +0000
parents 469d367e27ee 88f5f676e22b
children 4e76a9a3b7a8 27ec7a5a2481
files
diffstat 26 files changed, 251 insertions(+), 144 deletions(-) [+]
line wrap: on
line diff
--- a/hotspot/src/share/vm/Xusage.txt	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/Xusage.txt	Thu Mar 23 22:57:41 2017 +0000
@@ -12,7 +12,7 @@
     -Xms<size>        set initial Java heap size
     -Xmx<size>        set maximum Java heap size
     -Xss<size>        set java thread stack size
-    -Xprof            output cpu profiling data
+    -Xprof            output cpu profiling data (deprecated)
     -Xfuture          enable strictest checks, anticipating future default
     -Xrs              reduce use of OS signals by Java/VM (see documentation)
     -Xcheck:jni       perform additional checks for JNI functions
--- a/hotspot/src/share/vm/c1/c1_GraphBuilder.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/c1/c1_GraphBuilder.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -1540,7 +1540,7 @@
         ciMethod* caller = state()->scope()->method();
         ciMethodData* md = caller->method_data_or_null();
         ciProfileData* data = md->bci_to_data(invoke_bci);
-        if (data->is_CallTypeData() || data->is_VirtualCallTypeData()) {
+        if (data != NULL && (data->is_CallTypeData() || data->is_VirtualCallTypeData())) {
           bool has_return = data->is_CallTypeData() ? ((ciCallTypeData*)data)->has_return() : ((ciVirtualCallTypeData*)data)->has_return();
           // May not be true in case of an inlined call through a method handle intrinsic.
           if (has_return) {
@@ -1758,7 +1758,7 @@
   start = has_receiver ? 1 : 0;
   if (profile_arguments()) {
     ciProfileData* data = method()->method_data()->bci_to_data(bci());
-    if (data->is_CallTypeData() || data->is_VirtualCallTypeData()) {
+    if (data != NULL && (data->is_CallTypeData() || data->is_VirtualCallTypeData())) {
       n = data->is_CallTypeData() ? data->as_CallTypeData()->number_of_arguments() : data->as_VirtualCallTypeData()->number_of_arguments();
     }
   }
@@ -4349,7 +4349,7 @@
   }
   ciMethodData* md = m->method_data_or_null();
   ciProfileData* data = md->bci_to_data(invoke_bci);
-  if (data->is_CallTypeData() || data->is_VirtualCallTypeData()) {
+  if (data != NULL && (data->is_CallTypeData() || data->is_VirtualCallTypeData())) {
     append(new ProfileReturnType(m , invoke_bci, callee, ret));
   }
 }
--- a/hotspot/src/share/vm/c1/c1_LIRGenerator.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/c1/c1_LIRGenerator.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -3262,50 +3262,52 @@
     int bci = x->bci_of_invoke();
     ciMethodData* md = x->method()->method_data_or_null();
     ciProfileData* data = md->bci_to_data(bci);
-    if ((data->is_CallTypeData() && data->as_CallTypeData()->has_arguments()) ||
-        (data->is_VirtualCallTypeData() && data->as_VirtualCallTypeData()->has_arguments())) {
-      ByteSize extra = data->is_CallTypeData() ? CallTypeData::args_data_offset() : VirtualCallTypeData::args_data_offset();
-      int base_offset = md->byte_offset_of_slot(data, extra);
-      LIR_Opr mdp = LIR_OprFact::illegalOpr;
-      ciTypeStackSlotEntries* args = data->is_CallTypeData() ? ((ciCallTypeData*)data)->args() : ((ciVirtualCallTypeData*)data)->args();
-
-      Bytecodes::Code bc = x->method()->java_code_at_bci(bci);
-      int start = 0;
-      int stop = data->is_CallTypeData() ? ((ciCallTypeData*)data)->number_of_arguments() : ((ciVirtualCallTypeData*)data)->number_of_arguments();
-      if (x->callee()->is_loaded() && x->callee()->is_static() && Bytecodes::has_receiver(bc)) {
-        // first argument is not profiled at call (method handle invoke)
-        assert(x->method()->raw_code_at_bci(bci) == Bytecodes::_invokehandle, "invokehandle expected");
-        start = 1;
+    if (data != NULL) {
+      if ((data->is_CallTypeData() && data->as_CallTypeData()->has_arguments()) ||
+          (data->is_VirtualCallTypeData() && data->as_VirtualCallTypeData()->has_arguments())) {
+        ByteSize extra = data->is_CallTypeData() ? CallTypeData::args_data_offset() : VirtualCallTypeData::args_data_offset();
+        int base_offset = md->byte_offset_of_slot(data, extra);
+        LIR_Opr mdp = LIR_OprFact::illegalOpr;
+        ciTypeStackSlotEntries* args = data->is_CallTypeData() ? ((ciCallTypeData*)data)->args() : ((ciVirtualCallTypeData*)data)->args();
+
+        Bytecodes::Code bc = x->method()->java_code_at_bci(bci);
+        int start = 0;
+        int stop = data->is_CallTypeData() ? ((ciCallTypeData*)data)->number_of_arguments() : ((ciVirtualCallTypeData*)data)->number_of_arguments();
+        if (x->callee()->is_loaded() && x->callee()->is_static() && Bytecodes::has_receiver(bc)) {
+          // first argument is not profiled at call (method handle invoke)
+          assert(x->method()->raw_code_at_bci(bci) == Bytecodes::_invokehandle, "invokehandle expected");
+          start = 1;
+        }
+        ciSignature* callee_signature = x->callee()->signature();
+        // method handle call to virtual method
+        bool has_receiver = x->callee()->is_loaded() && !x->callee()->is_static() && !Bytecodes::has_receiver(bc);
+        ciSignatureStream callee_signature_stream(callee_signature, has_receiver ? x->callee()->holder() : NULL);
+
+        bool ignored_will_link;
+        ciSignature* signature_at_call = NULL;
+        x->method()->get_method_at_bci(bci, ignored_will_link, &signature_at_call);
+        ciSignatureStream signature_at_call_stream(signature_at_call);
+
+        // if called through method handle invoke, some arguments may have been popped
+        for (int i = 0; i < stop && i+start < x->nb_profiled_args(); i++) {
+          int off = in_bytes(TypeEntriesAtCall::argument_type_offset(i)) - in_bytes(TypeEntriesAtCall::args_data_offset());
+          ciKlass* exact = profile_type(md, base_offset, off,
+              args->type(i), x->profiled_arg_at(i+start), mdp,
+              !x->arg_needs_null_check(i+start),
+              signature_at_call_stream.next_klass(), callee_signature_stream.next_klass());
+          if (exact != NULL) {
+            md->set_argument_type(bci, i, exact);
+          }
+        }
+      } else {
+#ifdef ASSERT
+        Bytecodes::Code code = x->method()->raw_code_at_bci(x->bci_of_invoke());
+        int n = x->nb_profiled_args();
+        assert(MethodData::profile_parameters() && (MethodData::profile_arguments_jsr292_only() ||
+            (x->inlined() && ((code == Bytecodes::_invokedynamic && n <= 1) || (code == Bytecodes::_invokehandle && n <= 2)))),
+            "only at JSR292 bytecodes");
+#endif
       }
-      ciSignature* callee_signature = x->callee()->signature();
-      // method handle call to virtual method
-      bool has_receiver = x->callee()->is_loaded() && !x->callee()->is_static() && !Bytecodes::has_receiver(bc);
-      ciSignatureStream callee_signature_stream(callee_signature, has_receiver ? x->callee()->holder() : NULL);
-
-      bool ignored_will_link;
-      ciSignature* signature_at_call = NULL;
-      x->method()->get_method_at_bci(bci, ignored_will_link, &signature_at_call);
-      ciSignatureStream signature_at_call_stream(signature_at_call);
-
-      // if called through method handle invoke, some arguments may have been popped
-      for (int i = 0; i < stop && i+start < x->nb_profiled_args(); i++) {
-        int off = in_bytes(TypeEntriesAtCall::argument_type_offset(i)) - in_bytes(TypeEntriesAtCall::args_data_offset());
-        ciKlass* exact = profile_type(md, base_offset, off,
-                                      args->type(i), x->profiled_arg_at(i+start), mdp,
-                                      !x->arg_needs_null_check(i+start),
-                                      signature_at_call_stream.next_klass(), callee_signature_stream.next_klass());
-        if (exact != NULL) {
-          md->set_argument_type(bci, i, exact);
-        }
-      }
-    } else {
-#ifdef ASSERT
-      Bytecodes::Code code = x->method()->raw_code_at_bci(x->bci_of_invoke());
-      int n = x->nb_profiled_args();
-      assert(MethodData::profile_parameters() && (MethodData::profile_arguments_jsr292_only() ||
-                                                  (x->inlined() && ((code == Bytecodes::_invokedynamic && n <= 1) || (code == Bytecodes::_invokehandle && n <= 2)))),
-             "only at JSR292 bytecodes");
-#endif
     }
   }
 }
@@ -3396,24 +3398,26 @@
   int bci = x->bci_of_invoke();
   ciMethodData* md = x->method()->method_data_or_null();
   ciProfileData* data = md->bci_to_data(bci);
-  assert(data->is_CallTypeData() || data->is_VirtualCallTypeData(), "wrong profile data type");
-  ciReturnTypeEntry* ret = data->is_CallTypeData() ? ((ciCallTypeData*)data)->ret() : ((ciVirtualCallTypeData*)data)->ret();
-  LIR_Opr mdp = LIR_OprFact::illegalOpr;
-
-  bool ignored_will_link;
-  ciSignature* signature_at_call = NULL;
-  x->method()->get_method_at_bci(bci, ignored_will_link, &signature_at_call);
-
-  // The offset within the MDO of the entry to update may be too large
-  // to be used in load/store instructions on some platforms. So have
-  // profile_type() compute the address of the profile in a register.
-  ciKlass* exact = profile_type(md, md->byte_offset_of_slot(data, ret->type_offset()), 0,
-                                ret->type(), x->ret(), mdp,
-                                !x->needs_null_check(),
-                                signature_at_call->return_type()->as_klass(),
-                                x->callee()->signature()->return_type()->as_klass());
-  if (exact != NULL) {
-    md->set_return_type(bci, exact);
+  if (data != NULL) {
+    assert(data->is_CallTypeData() || data->is_VirtualCallTypeData(), "wrong profile data type");
+    ciReturnTypeEntry* ret = data->is_CallTypeData() ? ((ciCallTypeData*)data)->ret() : ((ciVirtualCallTypeData*)data)->ret();
+    LIR_Opr mdp = LIR_OprFact::illegalOpr;
+
+    bool ignored_will_link;
+    ciSignature* signature_at_call = NULL;
+    x->method()->get_method_at_bci(bci, ignored_will_link, &signature_at_call);
+
+    // The offset within the MDO of the entry to update may be too large
+    // to be used in load/store instructions on some platforms. So have
+    // profile_type() compute the address of the profile in a register.
+    ciKlass* exact = profile_type(md, md->byte_offset_of_slot(data, ret->type_offset()), 0,
+        ret->type(), x->ret(), mdp,
+        !x->needs_null_check(),
+        signature_at_call->return_type()->as_klass(),
+        x->callee()->signature()->return_type()->as_klass());
+    if (exact != NULL) {
+      md->set_return_type(bci, exact);
+    }
   }
 }
 
--- a/hotspot/src/share/vm/ci/ciMethodData.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/ci/ciMethodData.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -408,11 +408,13 @@
   MethodData* mdo = get_MethodData();
   if (mdo != NULL) {
     ProfileData* data = mdo->bci_to_data(bci);
-    if (data->is_CallTypeData()) {
-      data->as_CallTypeData()->set_argument_type(i, k->get_Klass());
-    } else {
-      assert(data->is_VirtualCallTypeData(), "no arguments!");
-      data->as_VirtualCallTypeData()->set_argument_type(i, k->get_Klass());
+    if (data != NULL) {
+      if (data->is_CallTypeData()) {
+        data->as_CallTypeData()->set_argument_type(i, k->get_Klass());
+      } else {
+        assert(data->is_VirtualCallTypeData(), "no arguments!");
+        data->as_VirtualCallTypeData()->set_argument_type(i, k->get_Klass());
+      }
     }
   }
 }
@@ -430,11 +432,13 @@
   MethodData* mdo = get_MethodData();
   if (mdo != NULL) {
     ProfileData* data = mdo->bci_to_data(bci);
-    if (data->is_CallTypeData()) {
-      data->as_CallTypeData()->set_return_type(k->get_Klass());
-    } else {
-      assert(data->is_VirtualCallTypeData(), "no arguments!");
-      data->as_VirtualCallTypeData()->set_return_type(k->get_Klass());
+    if (data != NULL) {
+      if (data->is_CallTypeData()) {
+        data->as_CallTypeData()->set_return_type(k->get_Klass());
+      } else {
+        assert(data->is_VirtualCallTypeData(), "no arguments!");
+        data->as_VirtualCallTypeData()->set_return_type(k->get_Klass());
+      }
     }
   }
 }
--- a/hotspot/src/share/vm/classfile/moduleEntry.hpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/classfile/moduleEntry.hpp	Thu Mar 23 22:57:41 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,8 +36,8 @@
 #include "utilities/ostream.hpp"
 
 #define UNNAMED_MODULE "Unnamed Module"
-#define JAVAPKG "java/"
-#define JAVAPKG_LEN 5
+#define JAVAPKG "java"
+#define JAVAPKG_LEN 4
 #define JAVA_BASE_NAME "java.base"
 
 class ModuleClosure;
--- a/hotspot/src/share/vm/classfile/modules.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/classfile/modules.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -325,7 +325,8 @@
     // Only modules defined to either the boot or platform class loader, can define a "java/" package.
     if (!h_loader.is_null() &&
         !SystemDictionary::is_platform_class_loader(h_loader) &&
-        strncmp(package_name, JAVAPKG, JAVAPKG_LEN) == 0) {
+        (strncmp(package_name, JAVAPKG, JAVAPKG_LEN) == 0 &&
+          (package_name[JAVAPKG_LEN] == '/' || package_name[JAVAPKG_LEN] == '\0'))) {
       const char* class_loader_name = SystemDictionary::loader_name(h_loader());
       size_t pkg_len = strlen(package_name);
       char* pkg_name = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, pkg_len);
@@ -748,7 +749,8 @@
   // Only modules defined to either the boot or platform class loader, can define a "java/" package.
   if (!loader_data->is_the_null_class_loader_data() &&
       !loader_data->is_platform_class_loader_data() &&
-      strncmp(package_name, JAVAPKG, JAVAPKG_LEN) == 0) {
+      (strncmp(package_name, JAVAPKG, JAVAPKG_LEN) == 0 &&
+        (package_name[JAVAPKG_LEN] == '/' || package_name[JAVAPKG_LEN] == '\0'))) {
     const char* class_loader_name = SystemDictionary::loader_name(loader_data);
     size_t pkg_len = strlen(package_name);
     char* pkg_name = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, pkg_len);
--- a/hotspot/src/share/vm/classfile/stringTable.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/classfile/stringTable.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -96,10 +96,14 @@
 
 // Pick hashing algorithm
 unsigned int StringTable::hash_string(const jchar* s, int len) {
-  return use_alternate_hashcode() ? AltHashing::murmur3_32(seed(), s, len) :
+  return use_alternate_hashcode() ? alt_hash_string(s, len) :
                                     java_lang_String::hash_code(s, len);
 }
 
+unsigned int StringTable::alt_hash_string(const jchar* s, int len) {
+  return AltHashing::murmur3_32(seed(), s, len);
+}
+
 unsigned int StringTable::hash_string(oop string) {
   EXCEPTION_MARK;
   if (string == NULL) {
@@ -117,11 +121,10 @@
   }
 }
 
-oop StringTable::lookup_shared(jchar* name, int len) {
-  // java_lang_String::hash_code() was used to compute hash values in the shared table. Don't
-  // use the hash value from StringTable::hash_string() as it might use alternate hashcode.
-  return _shared_table.lookup((const char*)name,
-                              java_lang_String::hash_code(name, len), len);
+oop StringTable::lookup_shared(jchar* name, int len, unsigned int hash) {
+  assert(hash == java_lang_String::hash_code(name, len),
+         "hash must be computed using java_lang_String::hash_code");
+  return _shared_table.lookup((const char*)name, hash, len);
 }
 
 oop StringTable::lookup_in_main_table(int index, jchar* name,
@@ -156,7 +159,7 @@
   unsigned int hashValue;
   int index;
   if (use_alternate_hashcode()) {
-    hashValue = hash_string(name, len);
+    hashValue = alt_hash_string(name, len);
     index = hash_to_index(hashValue);
   } else {
     hashValue = hashValue_arg;
@@ -199,12 +202,15 @@
 }
 
 oop StringTable::lookup(jchar* name, int len) {
-  oop string = lookup_shared(name, len);
+  // shared table always uses java_lang_String::hash_code
+  unsigned int hash = java_lang_String::hash_code(name, len);
+  oop string = lookup_shared(name, len, hash);
   if (string != NULL) {
     return string;
   }
-
-  unsigned int hash = hash_string(name, len);
+  if (use_alternate_hashcode()) {
+    hash = alt_hash_string(name, len);
+  }
   int index = the_table()->hash_to_index(hash);
   string = the_table()->lookup_in_main_table(index, name, len, hash);
 
@@ -215,12 +221,15 @@
 
 oop StringTable::intern(Handle string_or_null, jchar* name,
                         int len, TRAPS) {
-  oop found_string = lookup_shared(name, len);
+  // shared table always uses java_lang_String::hash_code
+  unsigned int hashValue = java_lang_String::hash_code(name, len);
+  oop found_string = lookup_shared(name, len, hashValue);
   if (found_string != NULL) {
     return found_string;
   }
-
-  unsigned int hashValue = hash_string(name, len);
+  if (use_alternate_hashcode()) {
+    hashValue = alt_hash_string(name, len);
+  }
   int index = the_table()->hash_to_index(hashValue);
   found_string = the_table()->lookup_in_main_table(index, name, len, hashValue);
 
--- a/hotspot/src/share/vm/classfile/stringTable.hpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/classfile/stringTable.hpp	Thu Mar 23 22:57:41 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -56,7 +56,7 @@
                 unsigned int hashValue, TRAPS);
 
   oop lookup_in_main_table(int index, jchar* chars, int length, unsigned int hashValue);
-  static oop lookup_shared(jchar* name, int len);
+  static oop lookup_shared(jchar* name, int len, unsigned int hash);
 
   // Apply the give oop closure to the entries to the buckets
   // in the range [start_idx, end_idx).
@@ -65,6 +65,13 @@
   // in the range [start_idx, end_idx).
   static void buckets_unlink_or_oops_do(BoolObjectClosure* is_alive, OopClosure* f, int start_idx, int end_idx, int* processed, int* removed);
 
+  // Hashing algorithm, used as the hash value used by the
+  //     StringTable for bucket selection and comparison (stored in the
+  //     HashtableEntry structures).  This is used in the String.intern() method.
+  static unsigned int hash_string(const jchar* s, int len);
+  static unsigned int hash_string(oop string);
+  static unsigned int alt_hash_string(const jchar* s, int len);
+
   StringTable() : RehashableHashtable<oop, mtSymbol>((int)StringTableSize,
                               sizeof (HashtableEntry<oop, mtSymbol>)) {}
 
@@ -109,12 +116,6 @@
   }
   static void possibly_parallel_oops_do(OopClosure* f);
 
-  // Hashing algorithm, used as the hash value used by the
-  //     StringTable for bucket selection and comparison (stored in the
-  //     HashtableEntry structures).  This is used in the String.intern() method.
-  static unsigned int hash_string(const jchar* s, int len);
-  static unsigned int hash_string(oop string);
-
   // Internal test.
   static void test_alt_hash() PRODUCT_RETURN;
 
--- a/hotspot/src/share/vm/classfile/vmSymbols.hpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/classfile/vmSymbols.hpp	Thu Mar 23 22:57:41 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -561,6 +561,7 @@
   template(int_StringBuffer_signature,                "(I)Ljava/lang/StringBuffer;")                              \
   template(char_StringBuffer_signature,               "(C)Ljava/lang/StringBuffer;")                              \
   template(int_String_signature,                      "(I)Ljava/lang/String;")                                    \
+  template(boolean_boolean_int_signature,             "(ZZ)I")                                                    \
   template(codesource_permissioncollection_signature, "(Ljava/security/CodeSource;Ljava/security/PermissionCollection;)V") \
   /* signature symbols needed by intrinsics */                                                                    \
   VM_INTRINSICS_DO(VM_INTRINSIC_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, template, VM_ALIAS_IGNORE)            \
--- a/hotspot/src/share/vm/compiler/compilerDefinitions.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/compiler/compilerDefinitions.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -100,7 +100,9 @@
     FLAG_SET_ERGO(size_t, MetaspaceSize, 12*M);
   }
   if (FLAG_IS_DEFAULT(MaxRAM)) {
-    FLAG_SET_ERGO(uint64_t, MaxRAM, 1ULL*G);
+    // Do not use FLAG_SET_ERGO to update MaxRAM, as this will impact
+    // heap setting done based on available phys_mem (see Arguments::set_heap_size).
+    FLAG_SET_DEFAULT(MaxRAM, 1ULL*G);
   }
   if (FLAG_IS_DEFAULT(CompileThreshold)) {
     FLAG_SET_ERGO(intx, CompileThreshold, 1500);
--- a/hotspot/src/share/vm/oops/instanceKlass.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/oops/instanceKlass.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -2456,22 +2456,24 @@
 void InstanceKlass::check_prohibited_package(Symbol* class_name,
                                              Handle class_loader,
                                              TRAPS) {
-  ResourceMark rm(THREAD);
   if (!class_loader.is_null() &&
       !SystemDictionary::is_platform_class_loader(class_loader) &&
-      class_name != NULL &&
-      strncmp(class_name->as_C_string(), JAVAPKG, JAVAPKG_LEN) == 0) {
-    TempNewSymbol pkg_name = InstanceKlass::package_from_name(class_name, CHECK);
-    assert(pkg_name != NULL, "Error in parsing package name starting with 'java/'");
-    char* name = pkg_name->as_C_string();
-    const char* class_loader_name = SystemDictionary::loader_name(class_loader());
-    StringUtils::replace_no_expand(name, "/", ".");
-    const char* msg_text1 = "Class loader (instance of): ";
-    const char* msg_text2 = " tried to load prohibited package name: ";
-    size_t len = strlen(msg_text1) + strlen(class_loader_name) + strlen(msg_text2) + strlen(name) + 1;
-    char* message = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, len);
-    jio_snprintf(message, len, "%s%s%s%s", msg_text1, class_loader_name, msg_text2, name);
-    THROW_MSG(vmSymbols::java_lang_SecurityException(), message);
+      class_name != NULL) {
+    ResourceMark rm(THREAD);
+    char* name = class_name->as_C_string();
+    if (strncmp(name, JAVAPKG, JAVAPKG_LEN) == 0 && name[JAVAPKG_LEN] == '/') {
+      TempNewSymbol pkg_name = InstanceKlass::package_from_name(class_name, CHECK);
+      assert(pkg_name != NULL, "Error in parsing package name starting with 'java/'");
+      name = pkg_name->as_C_string();
+      const char* class_loader_name = SystemDictionary::loader_name(class_loader());
+      StringUtils::replace_no_expand(name, "/", ".");
+      const char* msg_text1 = "Class loader (instance of): ";
+      const char* msg_text2 = " tried to load prohibited package name: ";
+      size_t len = strlen(msg_text1) + strlen(class_loader_name) + strlen(msg_text2) + strlen(name) + 1;
+      char* message = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, len);
+      jio_snprintf(message, len, "%s%s%s%s", msg_text1, class_loader_name, msg_text2, name);
+      THROW_MSG(vmSymbols::java_lang_SecurityException(), message);
+    }
   }
   return;
 }
--- a/hotspot/src/share/vm/opto/arraycopynode.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/opto/arraycopynode.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -225,7 +225,6 @@
   Node* dest = in(ArrayCopyNode::Dest);
   const Type* src_type = phase->type(src);
   const TypeAryPtr* ary_src = src_type->isa_aryptr();
-  assert(ary_src != NULL, "should be an array copy/clone");
 
   if (is_arraycopy() || is_copyofrange() || is_copyof()) {
     const Type* dest_type = phase->type(dest);
@@ -286,7 +285,8 @@
 
     copy_type = dest_elem;
   } else {
-    assert (is_clonebasic(), "should be");
+    assert(ary_src != NULL, "should be a clone");
+    assert(is_clonebasic(), "should be");
 
     disjoint_bases = true;
     assert(src->is_AddP(), "should be base + off");
--- a/hotspot/src/share/vm/opto/callnode.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/opto/callnode.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -784,8 +784,8 @@
       }
       // May modify (by reflection) if an boxing object is passed
       // as argument or returned.
-      if (returns_pointer() && (proj_out(TypeFunc::Parms) != NULL)) {
-        Node* proj = proj_out(TypeFunc::Parms);
+      Node* proj = returns_pointer() ? proj_out(TypeFunc::Parms) : NULL;
+      if (proj != NULL) {
         const TypeInstPtr* inst_t = phase->type(proj)->isa_instptr();
         if ((inst_t != NULL) && (!inst_t->klass_is_exact() ||
                                  (inst_t->klass() == boxing_klass))) {
--- a/hotspot/src/share/vm/opto/ifnode.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/opto/ifnode.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -1465,8 +1465,9 @@
   // be skipped. For example, range check predicate has two checks
   // for lower and upper bounds.
   ProjNode* unc_proj = proj_out(1 - prev_dom->as_Proj()->_con)->as_Proj();
-  if (unc_proj->is_uncommon_trap_proj(Deoptimization::Reason_predicate) != NULL)
-   prev_dom = idom;
+  if ((unc_proj != NULL) && (unc_proj->is_uncommon_trap_proj(Deoptimization::Reason_predicate) != NULL)) {
+    prev_dom = idom;
+  }
 
   // Now walk the current IfNode's projections.
   // Loop ends when 'this' has no more uses.
--- a/hotspot/src/share/vm/opto/library_call.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/opto/library_call.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -2375,7 +2375,7 @@
   bool need_mem_bar;
   switch (kind) {
       case Relaxed:
-          need_mem_bar = mismatched || can_access_non_heap;
+          need_mem_bar = mismatched && !adr_type->isa_aryptr();
           break;
       case Opaque:
           // Opaque uses CPUOrder membars for protection against code movement.
--- a/hotspot/src/share/vm/opto/loopTransform.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/opto/loopTransform.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -3174,6 +3174,11 @@
     return false;
   }
 
+  Node* exit = head->loopexit()->proj_out(0);
+  if (exit == NULL) {
+    return false;
+  }
+
 #ifndef PRODUCT
   if (TraceLoopOpts) {
     tty->print("ArrayFill    ");
@@ -3281,7 +3286,6 @@
 */
 
   // Redirect the old control and memory edges that are outside the loop.
-  Node* exit = head->loopexit()->proj_out(0);
   // Sometimes the memory phi of the head is used as the outgoing
   // state of the loop.  It's safe in this case to replace it with the
   // result_mem.
--- a/hotspot/src/share/vm/opto/parse2.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/opto/parse2.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -826,6 +826,9 @@
     ciMethodData* methodData = method()->method_data();
     if (!methodData->is_mature())  return PROB_UNKNOWN;
     ciProfileData* data = methodData->bci_to_data(bci());
+    if (data == NULL) {
+      return PROB_UNKNOWN;
+    }
     if (!data->is_JumpData())  return PROB_UNKNOWN;
 
     // get taken and not taken values
@@ -917,8 +920,8 @@
         // of the OSR-ed method, and we want to deopt to gather more stats.
         // If you have ANY counts, then this loop is simply 'cold' relative
         // to the OSR loop.
-        if (data->as_BranchData()->taken() +
-            data->as_BranchData()->not_taken() == 0 ) {
+        if (data == NULL ||
+            (data->as_BranchData()->taken() +  data->as_BranchData()->not_taken() == 0)) {
           // This is the only way to return PROB_UNKNOWN:
           return PROB_UNKNOWN;
         }
--- a/hotspot/src/share/vm/opto/stringopts.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/opto/stringopts.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -891,8 +891,9 @@
       ctrl_path.push(cn);
       ctrl_path.push(cn->proj_out(0));
       ctrl_path.push(cn->proj_out(0)->unique_out());
-      if (cn->proj_out(0)->unique_out()->as_Catch()->proj_out(0) != NULL) {
-        ctrl_path.push(cn->proj_out(0)->unique_out()->as_Catch()->proj_out(0));
+      Node* catchproj = cn->proj_out(0)->unique_out()->as_Catch()->proj_out(0);
+      if (catchproj != NULL) {
+        ctrl_path.push(catchproj);
       }
     } else {
       ShouldNotReachHere();
--- a/hotspot/src/share/vm/runtime/arguments.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/runtime/arguments.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -2932,6 +2932,10 @@
       if (res != JNI_OK) {
         return res;
       }
+    } else if (match_option(option, "--permit-illegal-access")) {
+      if (!create_property("jdk.module.permitIllegalAccess", "true", ExternalProperty)) {
+        return JNI_ENOMEM;
+      }
     // -agentlib and -agentpath
     } else if (match_option(option, "-agentlib:", &tail) ||
           (is_absolute_path = match_option(option, "-agentpath:", &tail))) {
@@ -3174,6 +3178,7 @@
     // -Xprof
     } else if (match_option(option, "-Xprof")) {
 #if INCLUDE_FPROF
+      log_warning(arguments)("Option -Xprof was deprecated in version 9 and will likely be removed in a future release.");
       _has_profile = true;
 #else // INCLUDE_FPROF
       jio_fprintf(defaultStream::error_stream(),
--- a/hotspot/src/share/vm/runtime/java.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/runtime/java.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -621,6 +621,13 @@
   }
 }
 
+void vm_exit_during_initialization() {
+  vm_notify_during_shutdown(NULL, NULL);
+
+  // Failure during initialization, we don't want to dump core
+  vm_abort(false);
+}
+
 void vm_exit_during_initialization(Handle exception) {
   tty->print_cr("Error occurred during initialization of VM");
   // If there are exceptions on this thread it must be cleared
--- a/hotspot/src/share/vm/runtime/java.hpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/runtime/java.hpp	Thu Mar 23 22:57:41 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -45,6 +45,7 @@
 extern void notify_vm_shutdown();
 
 // VM exit if error occurs during initialization of VM
+extern void vm_exit_during_initialization();
 extern void vm_exit_during_initialization(Handle exception);
 extern void vm_exit_during_initialization(Symbol* exception_name, const char* message);
 extern void vm_exit_during_initialization(const char* error, const char* message = NULL);
--- a/hotspot/src/share/vm/runtime/mutexLocker.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/runtime/mutexLocker.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -181,13 +181,13 @@
   }
   if (UseG1GC) {
 
-    def(SATB_Q_FL_lock             , PaddedMutex  , special,     true,  Monitor::_safepoint_check_never);
-    def(SATB_Q_CBL_mon             , PaddedMonitor, nonleaf,     true,  Monitor::_safepoint_check_never);
-    def(Shared_SATB_Q_lock         , PaddedMutex  , nonleaf,     true,  Monitor::_safepoint_check_never);
+    def(SATB_Q_FL_lock             , PaddedMutex  , special  ,   true,  Monitor::_safepoint_check_never);
+    def(SATB_Q_CBL_mon             , PaddedMonitor, leaf - 1 ,   true,  Monitor::_safepoint_check_never);
+    def(Shared_SATB_Q_lock         , PaddedMutex  , leaf - 1 ,   true,  Monitor::_safepoint_check_never);
 
-    def(DirtyCardQ_FL_lock         , PaddedMutex  , special,     true,  Monitor::_safepoint_check_never);
-    def(DirtyCardQ_CBL_mon         , PaddedMonitor, nonleaf,     true,  Monitor::_safepoint_check_never);
-    def(Shared_DirtyCardQ_lock     , PaddedMutex  , nonleaf,     true,  Monitor::_safepoint_check_never);
+    def(DirtyCardQ_FL_lock         , PaddedMutex  , special  ,   true,  Monitor::_safepoint_check_never);
+    def(DirtyCardQ_CBL_mon         , PaddedMonitor, leaf - 1 ,   true,  Monitor::_safepoint_check_never);
+    def(Shared_DirtyCardQ_lock     , PaddedMutex  , leaf - 1 ,   true,  Monitor::_safepoint_check_never);
 
     def(FreeList_lock              , PaddedMutex  , leaf     ,   true,  Monitor::_safepoint_check_never);
     def(SecondaryFreeList_lock     , PaddedMonitor, leaf     ,   true,  Monitor::_safepoint_check_never);
--- a/hotspot/src/share/vm/runtime/thread.cpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/runtime/thread.cpp	Thu Mar 23 22:57:41 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -3409,9 +3409,16 @@
   Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(), true, CHECK);
   instanceKlassHandle klass (THREAD, k);
 
-  JavaValue result(T_VOID);
+  JavaValue result(T_INT);
+  JavaCallArguments args;
+  args.push_int(DisplayVMOutputToStderr);
+  args.push_int(log_is_enabled(Debug, init)); // print stack trace if exception thrown
   JavaCalls::call_static(&result, klass, vmSymbols::initPhase2_name(),
-                                         vmSymbols::void_method_signature(), CHECK);
+                                         vmSymbols::boolean_boolean_int_signature(), &args, CHECK);
+  if (result.get_jint() != JNI_OK) {
+    vm_exit_during_initialization(); // no message or exception
+  }
+
   universe_post_module_init();
 }
 
--- a/hotspot/src/share/vm/utilities/globalDefinitions_xlc.hpp	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/src/share/vm/utilities/globalDefinitions_xlc.hpp	Thu Mar 23 22:57:41 2017 +0000
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, 2016 SAP SE. All rights reserved.
+ * Copyright (c) 2012, 2017 SAP SE. 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
@@ -153,6 +153,9 @@
 // offset_of as it is defined for gcc.
 #define offset_of(klass,field) (size_t)((intx)&(((klass*)16)->field) - 16)
 
+// AIX 5.3 has buggy __thread support. (see JDK-8176442).
+#define USE_LIBRARY_BASED_TLS_ONLY 1
+
 #ifndef USE_LIBRARY_BASED_TLS_ONLY
 #define THREAD_LOCAL_DECL __thread
 #endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/arraycopy/TestObjectArrayCopy.java	Thu Mar 23 22:57:41 2017 +0000
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2017, SAP SE 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
+ * @bug 8176505
+ * @summary Wrong assertion 'should be an array copy/clone' in arraycopynode.cpp
+ *
+ * @run main/othervm -Xbatch -XX:-UseOnStackReplacement compiler.arraycopy.TestObjectArrayCopy
+ *
+ * @author Volker Simonis
+ */
+
+package compiler.arraycopy;
+
+public class TestObjectArrayCopy {
+
+    public static boolean crash(Object src) {
+        String[] dst = new String[1];
+        System.arraycopy(src, 0, dst, 0, 1);
+        return dst[0] == null;
+    }
+
+    public static void main(String[] args) {
+        String[] sa = new String[1];
+        for (int i = 0; i < 20_000; i++) {
+            crash(sa);
+        }
+    }
+}
--- a/hotspot/test/runtime/modules/IgnoreModulePropertiesTest.java	Thu Mar 23 22:31:11 2017 +0000
+++ b/hotspot/test/runtime/modules/IgnoreModulePropertiesTest.java	Thu Mar 23 22:57:41 2017 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, 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
@@ -44,7 +44,7 @@
         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
             "-D" + prop + "=" + value, "-version");
         OutputAnalyzer output = new OutputAnalyzer(pb.start());
-        output.shouldContain("java version ");
+        output.shouldContain(" version ");
         output.shouldHaveExitValue(0);
 
         // Ensure that the property and its value aren't available.