< prev index next >

src/share/vm/jvmci/jvmciEnv.cpp

Print this page


   1 /*
   2  * Copyright (c) 1999, 2016, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


  62   _jvmti_can_post_on_exceptions         = JvmtiExport::can_post_on_exceptions();
  63 }
  64 
  65 // ------------------------------------------------------------------
  66 // Note: the logic of this method should mirror the logic of
  67 // constantPoolOopDesc::verify_constant_pool_resolve.
  68 bool JVMCIEnv::check_klass_accessibility(KlassHandle accessing_klass, KlassHandle resolved_klass) {
  69   if (accessing_klass->is_objArray_klass()) {
  70     accessing_klass = ObjArrayKlass::cast(accessing_klass())->bottom_klass();
  71   }
  72   if (!accessing_klass->is_instance_klass()) {
  73     return true;
  74   }
  75 
  76   if (resolved_klass->is_objArray_klass()) {
  77     // Find the element klass, if this is an array.
  78     resolved_klass = ObjArrayKlass::cast(resolved_klass())->bottom_klass();
  79   }
  80   if (resolved_klass->is_instance_klass()) {
  81     Reflection::VerifyClassAccessResults result =
  82       Reflection::verify_class_access(accessing_klass(), resolved_klass(), true);
  83     return result == Reflection::ACCESS_OK;
  84   }
  85   return true;
  86 }
  87 
  88 // ------------------------------------------------------------------
  89 KlassHandle JVMCIEnv::get_klass_by_name_impl(KlassHandle& accessing_klass,
  90                                           const constantPoolHandle& cpool,
  91                                           Symbol* sym,
  92                                           bool require_local) {
  93   JVMCI_EXCEPTION_CONTEXT;
  94 
  95   // Now we need to check the SystemDictionary
  96   if (sym->byte_at(0) == 'L' &&
  97     sym->byte_at(sym->utf8_length()-1) == ';') {
  98     // This is a name from a signature.  Strip off the trimmings.
  99     // Call recursive to keep scope of strippedsym.
 100     TempNewSymbol strippedsym = SymbolTable::new_symbol(sym->as_utf8()+1,
 101                     sym->utf8_length()-2,
 102                     CHECK_(KlassHandle()));


   1 /*
   2  * Copyright (c) 1999, 2017, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


  62   _jvmti_can_post_on_exceptions         = JvmtiExport::can_post_on_exceptions();
  63 }
  64 
  65 // ------------------------------------------------------------------
  66 // Note: the logic of this method should mirror the logic of
  67 // constantPoolOopDesc::verify_constant_pool_resolve.
  68 bool JVMCIEnv::check_klass_accessibility(KlassHandle accessing_klass, KlassHandle resolved_klass) {
  69   if (accessing_klass->is_objArray_klass()) {
  70     accessing_klass = ObjArrayKlass::cast(accessing_klass())->bottom_klass();
  71   }
  72   if (!accessing_klass->is_instance_klass()) {
  73     return true;
  74   }
  75 
  76   if (resolved_klass->is_objArray_klass()) {
  77     // Find the element klass, if this is an array.
  78     resolved_klass = ObjArrayKlass::cast(resolved_klass())->bottom_klass();
  79   }
  80   if (resolved_klass->is_instance_klass()) {
  81     Reflection::VerifyClassAccessResults result =
  82       Reflection::verify_class_access(accessing_klass(), InstanceKlass::cast(resolved_klass()), true);
  83     return result == Reflection::ACCESS_OK;
  84   }
  85   return true;
  86 }
  87 
  88 // ------------------------------------------------------------------
  89 KlassHandle JVMCIEnv::get_klass_by_name_impl(KlassHandle& accessing_klass,
  90                                           const constantPoolHandle& cpool,
  91                                           Symbol* sym,
  92                                           bool require_local) {
  93   JVMCI_EXCEPTION_CONTEXT;
  94 
  95   // Now we need to check the SystemDictionary
  96   if (sym->byte_at(0) == 'L' &&
  97     sym->byte_at(sym->utf8_length()-1) == ';') {
  98     // This is a name from a signature.  Strip off the trimmings.
  99     // Call recursive to keep scope of strippedsym.
 100     TempNewSymbol strippedsym = SymbolTable::new_symbol(sym->as_utf8()+1,
 101                     sym->utf8_length()-2,
 102                     CHECK_(KlassHandle()));


< prev index next >