src/hotspot/share/oops/cpCache.inline.hpp
changeset 49340 4e82736053ae
child 49816 a3e79f97e86b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/oops/cpCache.inline.hpp	Mon Mar 05 10:29:23 2018 -0500
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_OOPS_CPCACHEOOP_INLINE_HPP
+#define SHARE_VM_OOPS_CPCACHEOOP_INLINE_HPP
+
+#include "oops/cpCache.hpp"
+#include "runtime/orderAccess.inline.hpp"
+
+inline int ConstantPoolCacheEntry::indices_ord() const { return OrderAccess::load_acquire(&_indices); }
+
+inline Bytecodes::Code ConstantPoolCacheEntry::bytecode_1() const {
+  return Bytecodes::cast((indices_ord() >> bytecode_1_shift) & bytecode_1_mask);
+}
+
+inline Bytecodes::Code ConstantPoolCacheEntry::bytecode_2() const {
+  return Bytecodes::cast((indices_ord() >> bytecode_2_shift) & bytecode_2_mask);
+}
+
+// Has this bytecode been resolved? Only valid for invokes and get/put field/static.
+inline bool ConstantPoolCacheEntry::is_resolved(Bytecodes::Code code) const {
+  switch (bytecode_number(code)) {
+    case 1:  return (bytecode_1() == code);
+    case 2:  return (bytecode_2() == code);
+  }
+  return false;      // default: not resolved
+}
+
+inline Method* ConstantPoolCacheEntry::f2_as_interface_method() const {
+  assert(bytecode_1() == Bytecodes::_invokeinterface, "");
+  return (Method*)_f2;
+}
+
+inline Metadata* ConstantPoolCacheEntry::f1_ord() const { return (Metadata *)OrderAccess::load_acquire(&_f1); }
+
+inline Method* ConstantPoolCacheEntry::f1_as_method() const {
+  Metadata* f1 = f1_ord(); assert(f1 == NULL || f1->is_method(), "");
+  return (Method*)f1;
+}
+
+inline Klass* ConstantPoolCacheEntry::f1_as_klass() const {
+  Metadata* f1 = f1_ord(); assert(f1 == NULL || f1->is_klass(), "");
+  return (Klass*)f1;
+}
+
+inline bool ConstantPoolCacheEntry::is_f1_null() const { Metadata* f1 = f1_ord(); return f1 == NULL; }
+
+inline bool ConstantPoolCacheEntry::has_appendix() const {
+  return (!is_f1_null()) && (_flags & (1 << has_appendix_shift)) != 0;
+}
+
+inline bool ConstantPoolCacheEntry::has_method_type() const {
+  return (!is_f1_null()) && (_flags & (1 << has_method_type_shift)) != 0;
+}
+
+inline intx ConstantPoolCacheEntry::flags_ord() const   { return (intx)OrderAccess::load_acquire(&_flags); }
+
+inline bool ConstantPoolCacheEntry::indy_resolution_failed() const {
+  intx flags = flags_ord();
+  return (flags & (1 << indy_resolution_failed_shift)) != 0;
+}
+
+// Constructor
+inline ConstantPoolCache::ConstantPoolCache(int length,
+                                            const intStack& inverse_index_map,
+                                            const intStack& invokedynamic_inverse_index_map,
+                                            const intStack& invokedynamic_references_map) :
+                                                  _length(length),
+                                                  _constant_pool(NULL) {
+  CDS_JAVA_HEAP_ONLY(_archived_references = 0;)
+  initialize(inverse_index_map, invokedynamic_inverse_index_map,
+             invokedynamic_references_map);
+  for (int i = 0; i < length; i++) {
+    assert(entry_at(i)->is_f1_null(), "Failed to clear?");
+  }
+}
+
+#endif // SHARE_VM_OOPS_CPCACHEOOP_INLINE_HPP