1 /* |
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2 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #include "precompiled.hpp" |
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26 #include "memory/allocation.inline.hpp" |
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27 #include "oops/instanceKlass.hpp" |
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28 #include "oops/method.hpp" |
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29 #include "oops/oop.inline.hpp" |
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30 #include "prims/privilegedStack.hpp" |
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31 #include "runtime/thread.inline.hpp" |
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32 #include "runtime/vframe.inline.hpp" |
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33 |
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34 void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) { |
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35 Method* method = vfst->method(); |
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36 _klass = method->method_holder(); |
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37 _privileged_context = context; |
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38 #ifdef CHECK_UNHANDLED_OOPS |
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39 THREAD->allow_unhandled_oop(&_privileged_context); |
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40 #endif // CHECK_UNHANDLED_OOPS |
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41 _frame_id = vfst->frame_id(); |
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42 _next = next; |
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43 assert(oopDesc::is_oop_or_null(_privileged_context), "must be an oop"); |
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44 assert(oopDesc::is_oop_or_null(protection_domain()), "must be an oop"); |
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45 } |
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46 |
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47 void PrivilegedElement::oops_do(OopClosure* f) { |
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48 PrivilegedElement *cur = this; |
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49 do { |
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50 f->do_oop((oop*) &cur->_privileged_context); |
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51 cur = cur->_next; |
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52 } while(cur != NULL); |
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53 } |
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54 |
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55 //------------------------------------------------------------------------------- |
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56 #ifndef PRODUCT |
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57 |
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58 void PrivilegedElement::print_on(outputStream* st) const { |
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59 st->print(" " PTR_FORMAT " ", p2i(_frame_id)); |
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60 _klass->print_value_on(st); |
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61 if (protection_domain() != NULL) { |
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62 st->print(" "); |
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63 protection_domain()->print_value_on(st); |
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64 } |
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65 st->cr(); |
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66 } |
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67 |
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68 bool PrivilegedElement::contains(address addr) { |
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69 PrivilegedElement *e = (PrivilegedElement *)addr; |
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70 if (e >= this && e < this+1) return true; |
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71 |
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72 if (_next != NULL) { |
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73 return _next->contains(addr); |
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74 } else { |
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75 return false; |
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76 } |
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77 } |
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78 |
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79 #endif |
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