src/share/vm/prims/privilegedStack.cpp

Wed, 08 Oct 2008 08:10:51 -0700

author
ksrini
date
Wed, 08 Oct 2008 08:10:51 -0700
changeset 823
f008d3631bd1
parent 435
a61af66fc99e
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6755845: JVM_FindClassFromBoot triggers assertions
Summary: Fixes assertions caused by one jvm_entry calling another, solved by refactoring code and modified gamma test.
Reviewed-by: dholmes, xlu

     1 /*
     2  * Copyright 1997-2005 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  *
    23  */
    25 # include "incls/_precompiled.incl"
    26 # include "incls/_privilegedStack.cpp.incl"
    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 }
    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 }
    52 //-------------------------------------------------------------------------------
    53 #ifndef PRODUCT
    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 }
    65 bool PrivilegedElement::contains(address addr) {
    66   PrivilegedElement *e = (PrivilegedElement *)addr;
    67   if (e >= this && e < this+1) return true;
    69   if (_next != NULL) {
    70     return _next->contains(addr);
    71   } else {
    72     return false;
    73   }
    74 }
    76 #endif

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