1 /*
   2  * Copyright (c) 1997, 2005, 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  *
  23  */
  24 
  25 # include "incls/_precompiled.incl"
  26 # include "incls/_privilegedStack.cpp.incl"
  27 
  28 
  29 void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
  30   methodOop method      = vfst->method();
  31   _klass                = method->method_holder();
  32   _privileged_context   = context;
  33 #ifdef CHECK_UNHANDLED_OOPS
  34   THREAD->allow_unhandled_oop(&_klass);
  35   THREAD->allow_unhandled_oop(&_privileged_context);
  36 #endif // CHECK_UNHANDLED_OOPS
  37   _frame_id             = vfst->frame_id();
  38   _next                 = next;
  39   assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");
  40   assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop");
  41 }
  42 
  43 void PrivilegedElement::oops_do(OopClosure* f) {
  44   PrivilegedElement *cur = this;
  45   do {
  46     f->do_oop((oop*) &cur->_klass);
  47     f->do_oop((oop*) &cur->_privileged_context);
  48     cur = cur->_next;
  49   } while(cur != NULL);
  50 }
  51 
  52 //-------------------------------------------------------------------------------
  53 #ifndef PRODUCT
  54 
  55 void PrivilegedElement::print_on(outputStream* st) const {
  56   st->print("   0x%lx ", _frame_id);
  57   _klass->print_value_on(st);
  58   if (protection_domain() != NULL) {
  59     st->print("   ");
  60     protection_domain()->print_value_on(st);
  61   }
  62   st->cr();
  63 }
  64 
  65 bool PrivilegedElement::contains(address addr) {
  66   PrivilegedElement *e = (PrivilegedElement *)addr;
  67   if (e >= this && e < this+1) return true;
  68 
  69   if (_next != NULL) {
  70     return _next->contains(addr);
  71   } else {
  72     return false;
  73   }
  74 }
  75 
  76 #endif