jdk8-mips64-public/hotspot: src/share/vm/prims/privilegedStack.cpp@833b0f92429a

8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill

     1 /*

     2  * Copyright (c) 1997, 2014, 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  */

    25 #include "precompiled.hpp"

    26 #include "memory/allocation.inline.hpp"

    27 #include "oops/instanceKlass.hpp"

    28 #include "oops/method.hpp"

    29 #include "oops/oop.inline.hpp"

    30 #include "prims/privilegedStack.hpp"

    31 #include "runtime/vframe.hpp"

    33 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC

    35 void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {

    36   Method* method        = vfst->method();

    37   _klass                = method->method_holder();

    38   _privileged_context   = context;

    39 #ifdef CHECK_UNHANDLED_OOPS

    40   THREAD->allow_unhandled_oop(&_privileged_context);

    41 #endif // CHECK_UNHANDLED_OOPS

    42   _frame_id             = vfst->frame_id();

    43   _next                 = next;

    44   assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");

    45   assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop");

    46 }

    48 void PrivilegedElement::oops_do(OopClosure* f) {

    49   PrivilegedElement *cur = this;

    50   do {

    51     f->do_oop((oop*) &cur->_privileged_context);

    52     cur = cur->_next;

    53   } while(cur != NULL);

    54 }

    56 void PrivilegedElement::classes_do(KlassClosure* f) {

    57   PrivilegedElement *cur = this;

    58   do {

    59     f->do_klass(cur->_klass);

    60     cur = cur->_next;

    61   } while(cur != NULL);

    62 }

    64 //-------------------------------------------------------------------------------

    65 #ifndef PRODUCT

    67 void PrivilegedElement::print_on(outputStream* st) const {

    68   st->print("   0x%lx ", _frame_id);

    69   _klass->print_value_on(st);

    70   if (protection_domain() != NULL) {

    71     st->print("   ");

    72     protection_domain()->print_value_on(st);

    73   }

    74   st->cr();

    75 }

    77 bool PrivilegedElement::contains(address addr) {

    78   PrivilegedElement *e = (PrivilegedElement *)addr;

    79   if (e >= this && e < this+1) return true;

    81   if (_next != NULL) {

    82     return _next->contains(addr);

    83   } else {

    84     return false;

    85   }

    86 }

    88 #endif

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/prims/privilegedStack.cpp@833b0f92429a

src/share/vm/prims/privilegedStack.cpp