Mercurial > hg > truffle
diff src/share/vm/utilities/constantTag.hpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | ed69575596ac |
| children | f16e75e0cf11 |
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--- a/src/share/vm/utilities/constantTag.hpp Fri Aug 31 16:39:35 2012 -0700 +++ b/src/share/vm/utilities/constantTag.hpp Sat Sep 01 13:25:18 2012 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -39,11 +39,12 @@ JVM_CONSTANT_InternalMin = 100, // First implementation tag (aside from bad value of course) JVM_CONSTANT_UnresolvedClass = 100, // Temporary tag until actual use JVM_CONSTANT_ClassIndex = 101, // Temporary tag while constructing constant pool - JVM_CONSTANT_UnresolvedString = 102, // Temporary tag until actual use - JVM_CONSTANT_StringIndex = 103, // Temporary tag while constructing constant pool - JVM_CONSTANT_UnresolvedClassInError = 104, // Error tag due to resolution error - JVM_CONSTANT_Object = 105, // Required for BoundMethodHandle arguments. - JVM_CONSTANT_InternalMax = 105 // Last implementation tag + JVM_CONSTANT_StringIndex = 102, // Temporary tag while constructing constant pool + JVM_CONSTANT_UnresolvedClassInError = 103, // Error tag due to resolution error + JVM_CONSTANT_MethodHandleInError = 104, // Error tag due to resolution error + JVM_CONSTANT_MethodTypeInError = 105, // Error tag due to resolution error + JVM_CONSTANT_Object = 106, // Required for BoundMethodHandle arguments. + JVM_CONSTANT_InternalMax = 106 // Last implementation tag }; @@ -73,8 +74,14 @@ return _tag == JVM_CONSTANT_UnresolvedClassInError; } + bool is_method_handle_in_error() const { + return _tag == JVM_CONSTANT_MethodHandleInError; + } + bool is_method_type_in_error() const { + return _tag == JVM_CONSTANT_MethodTypeInError; + } + bool is_klass_index() const { return _tag == JVM_CONSTANT_ClassIndex; } - bool is_unresolved_string() const { return _tag == JVM_CONSTANT_UnresolvedString; } bool is_string_index() const { return _tag == JVM_CONSTANT_StringIndex; } bool is_object() const { return _tag == JVM_CONSTANT_Object; } @@ -91,8 +98,7 @@ bool is_loadable_constant() const { return ((_tag >= JVM_CONSTANT_Integer && _tag <= JVM_CONSTANT_String) || is_method_type() || is_method_handle() || - is_unresolved_klass() || is_unresolved_string() || - is_object()); + is_unresolved_klass() || is_object()); } constantTag() {