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1 /*
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2 * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 # include "incls/_precompiled.incl"
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26 # include "incls/_privilegedStack.cpp.incl"
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27
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28
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29 void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
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30 methodOop method = vfst->method();
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31 _klass = method->method_holder();
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32 _privileged_context = context;
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33 #ifdef CHECK_UNHANDLED_OOPS
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34 THREAD->allow_unhandled_oop(&_klass);
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35 THREAD->allow_unhandled_oop(&_privileged_context);
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36 #endif // CHECK_UNHANDLED_OOPS
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37 _frame_id = vfst->frame_id();
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38 _next = next;
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39 assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");
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40 assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop");
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41 }
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42
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43 void PrivilegedElement::oops_do(OopClosure* f) {
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44 PrivilegedElement *cur = this;
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45 do {
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46 f->do_oop((oop*) &cur->_klass);
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47 f->do_oop((oop*) &cur->_privileged_context);
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48 cur = cur->_next;
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49 } while(cur != NULL);
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50 }
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51
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52 //-------------------------------------------------------------------------------
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53 #ifndef PRODUCT
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54
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55 void PrivilegedElement::print_on(outputStream* st) const {
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56 st->print(" 0x%lx ", _frame_id);
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57 _klass->print_value_on(st);
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58 if (protection_domain() != NULL) {
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59 st->print(" ");
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60 protection_domain()->print_value_on(st);
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61 }
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62 st->cr();
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63 }
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64
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65 bool PrivilegedElement::contains(address addr) {
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66 PrivilegedElement *e = (PrivilegedElement *)addr;
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67 if (e >= this && e < this+1) return true;
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68
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69 if (_next != NULL) {
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70 return _next->contains(addr);
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71 } else {
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72 return false;
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73 }
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74 }
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75
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76 #endif
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