1 /*
   2  * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  *

  44 // ------------------------------------------------------------------
  45 // ciKlass::ciKlass
  46 //
  47 // Nameless klass variant.
  48 ciKlass::ciKlass(KlassHandle h_k, ciSymbol* name) : ciType(h_k) {
  49   assert(get_oop()->is_klass(), "wrong type");
  50   _name = name;
  51   _layout_helper = Klass::_lh_neutral_value;
  52 }
  53 
  54 // ------------------------------------------------------------------
  55 // ciKlass::ciKlass
  56 //
  57 // Unloaded klass variant.
  58 ciKlass::ciKlass(ciSymbol* name, ciKlass* klass) : ciType(klass) {
  59   _name = name;
  60   _layout_helper = Klass::_lh_neutral_value;
  61 }
  62 
  63 // ------------------------------------------------------------------












  64 // ciKlass::is_subtype_of
  65 bool ciKlass::is_subtype_of(ciKlass* that) {
  66   assert(is_loaded() && that->is_loaded(), "must be loaded");
  67   assert(is_java_klass() && that->is_java_klass(), "must be java klasses");
  68   // Check to see if the klasses are identical.
  69   if (this == that) {
  70     return true;
  71   }
  72 
  73   VM_ENTRY_MARK;
  74   Klass* this_klass = get_Klass();
  75   klassOop that_klass = that->get_klassOop();
  76   bool result = this_klass->is_subtype_of(that_klass);
  77 
  78   return result;
  79 }
  80 
  81 // ------------------------------------------------------------------
  82 // ciKlass::is_subclass_of
  83 bool ciKlass::is_subclass_of(ciKlass* that) {

   1 /*
   2  * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  *

  44 // ------------------------------------------------------------------
  45 // ciKlass::ciKlass
  46 //
  47 // Nameless klass variant.
  48 ciKlass::ciKlass(KlassHandle h_k, ciSymbol* name) : ciType(h_k) {
  49   assert(get_oop()->is_klass(), "wrong type");
  50   _name = name;
  51   _layout_helper = Klass::_lh_neutral_value;
  52 }
  53 
  54 // ------------------------------------------------------------------
  55 // ciKlass::ciKlass
  56 //
  57 // Unloaded klass variant.
  58 ciKlass::ciKlass(ciSymbol* name, ciKlass* klass) : ciType(klass) {
  59   _name = name;
  60   _layout_helper = Klass::_lh_neutral_value;
  61 }
  62 
  63 // ------------------------------------------------------------------
  64 // ciKlass::is_in_package
  65 //
  66 // Is this klass in the given package?
  67 bool ciKlass::is_in_package(const char* packagename) const {
  68   ResourceMark rm;
  69   Klass* klass = get_klassOop()->klass_part();
  70   const char* external_name = klass->external_name();
  71   size_t packagename_len = strlen(packagename);
  72   return (strncmp(packagename, external_name, packagename_len) == 0);
  73 }
  74 
  75 // ------------------------------------------------------------------
  76 // ciKlass::is_subtype_of
  77 bool ciKlass::is_subtype_of(ciKlass* that) {
  78   assert(is_loaded() && that->is_loaded(), "must be loaded");
  79   assert(is_java_klass() && that->is_java_klass(), "must be java klasses");
  80   // Check to see if the klasses are identical.
  81   if (this == that) {
  82     return true;
  83   }
  84 
  85   VM_ENTRY_MARK;
  86   Klass* this_klass = get_Klass();
  87   klassOop that_klass = that->get_klassOop();
  88   bool result = this_klass->is_subtype_of(that_klass);
  89 
  90   return result;
  91 }
  92 
  93 // ------------------------------------------------------------------
  94 // ciKlass::is_subclass_of
  95 bool ciKlass::is_subclass_of(ciKlass* that) {