src/share/vm/prims/privilegedStack.cpp

Sun, 15 Sep 2013 15:28:58 +0200

author
goetz
date
Sun, 15 Sep 2013 15:28:58 +0200
changeset 6470
abe03600372a
parent 4037
da91efe96a93
child 6680
78bbf4d43a14
permissions
-rw-r--r--

8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
Summary: Implement profiling for c2 jit compilation. Also enable new cppInterpreter features.
Reviewed-by: kvn

     1 /*
     2  * Copyright (c) 1997, 2012, 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"
    34 void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
    35   Method* method        = vfst->method();
    36   _klass                = method->method_holder();
    37   _privileged_context   = context;
    38 #ifdef CHECK_UNHANDLED_OOPS
    39   THREAD->allow_unhandled_oop(&_privileged_context);
    40 #endif // CHECK_UNHANDLED_OOPS
    41   _frame_id             = vfst->frame_id();
    42   _next                 = next;
    43   assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");
    44   assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop");
    45 }
    47 void PrivilegedElement::oops_do(OopClosure* f) {
    48   PrivilegedElement *cur = this;
    49   do {
    50     f->do_oop((oop*) &cur->_privileged_context);
    51     cur = cur->_next;
    52   } while(cur != NULL);
    53 }
    55 void PrivilegedElement::classes_do(KlassClosure* f) {
    56   PrivilegedElement *cur = this;
    57   do {
    58     f->do_klass(cur->_klass);
    59     cur = cur->_next;
    60   } while(cur != NULL);
    61 }
    63 //-------------------------------------------------------------------------------
    64 #ifndef PRODUCT
    66 void PrivilegedElement::print_on(outputStream* st) const {
    67   st->print("   0x%lx ", _frame_id);
    68   _klass->print_value_on(st);
    69   if (protection_domain() != NULL) {
    70     st->print("   ");
    71     protection_domain()->print_value_on(st);
    72   }
    73   st->cr();
    74 }
    76 bool PrivilegedElement::contains(address addr) {
    77   PrivilegedElement *e = (PrivilegedElement *)addr;
    78   if (e >= this && e < this+1) return true;
    80   if (_next != NULL) {
    81     return _next->contains(addr);
    82   } else {
    83     return false;
    84   }
    85 }
    87 #endif

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