hotspot/src/share/vm/runtime/vframe.cpp
author twisti
Tue, 24 Jul 2012 10:51:00 -0700
changeset 13391 30245956af37
parent 8921 14bfe81f2a9d
child 13728 882756847a04
permissions -rw-r--r--
7023639: JSR 292 method handle invocation needs a fast path for compiled code 6984705: JSR 292 method handle creation should not go through JNI Summary: remove assembly code for JDK 7 chained method handles Reviewed-by: jrose, twisti, kvn, mhaupt Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>
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/*
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 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "classfile/javaClasses.hpp"
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#include "classfile/systemDictionary.hpp"
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#include "classfile/vmSymbols.hpp"
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#include "code/codeCache.hpp"
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#include "code/debugInfoRec.hpp"
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#include "code/nmethod.hpp"
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#include "code/pcDesc.hpp"
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#include "code/scopeDesc.hpp"
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#include "interpreter/interpreter.hpp"
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#include "interpreter/oopMapCache.hpp"
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#include "memory/resourceArea.hpp"
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#include "oops/instanceKlass.hpp"
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#include "oops/oop.inline.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/objectMonitor.hpp"
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#include "runtime/objectMonitor.inline.hpp"
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#include "runtime/signature.hpp"
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#include "runtime/stubRoutines.hpp"
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#include "runtime/synchronizer.hpp"
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#include "runtime/vframe.hpp"
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#include "runtime/vframeArray.hpp"
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#include "runtime/vframe_hp.hpp"
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vframe::vframe(const frame* fr, const RegisterMap* reg_map, JavaThread* thread)
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: _reg_map(reg_map), _thread(thread) {
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  assert(fr != NULL, "must have frame");
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  _fr = *fr;
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}
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vframe::vframe(const frame* fr, JavaThread* thread)
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: _reg_map(thread), _thread(thread) {
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  assert(fr != NULL, "must have frame");
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  _fr = *fr;
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}
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vframe* vframe::new_vframe(const frame* f, const RegisterMap* reg_map, JavaThread* thread) {
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  // Interpreter frame
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  if (f->is_interpreted_frame()) {
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    return new interpretedVFrame(f, reg_map, thread);
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  }
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  // Compiled frame
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  CodeBlob* cb = f->cb();
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  if (cb != NULL) {
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    if (cb->is_nmethod()) {
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      nmethod* nm = (nmethod*)cb;
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      return new compiledVFrame(f, reg_map, thread, nm);
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    }
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    if (f->is_runtime_frame()) {
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      // Skip this frame and try again.
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      RegisterMap temp_map = *reg_map;
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      frame s = f->sender(&temp_map);
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      return new_vframe(&s, &temp_map, thread);
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    }
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  }
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  // External frame
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  return new externalVFrame(f, reg_map, thread);
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}
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vframe* vframe::sender() const {
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  RegisterMap temp_map = *register_map();
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  assert(is_top(), "just checking");
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  if (_fr.is_entry_frame() && _fr.is_first_frame()) return NULL;
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  frame s = _fr.real_sender(&temp_map);
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  if (s.is_first_frame()) return NULL;
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  return vframe::new_vframe(&s, &temp_map, thread());
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}
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vframe* vframe::top() const {
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  vframe* vf = (vframe*) this;
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  while (!vf->is_top()) vf = vf->sender();
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  return vf;
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}
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javaVFrame* vframe::java_sender() const {
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  vframe* f = sender();
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  while (f != NULL) {
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    if (f->is_java_frame()) return javaVFrame::cast(f);
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    f = f->sender();
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  }
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  return NULL;
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}
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// ------------- javaVFrame --------------
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GrowableArray<MonitorInfo*>* javaVFrame::locked_monitors() {
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  assert(SafepointSynchronize::is_at_safepoint() || JavaThread::current() == thread(),
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         "must be at safepoint or it's a java frame of the current thread");
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  GrowableArray<MonitorInfo*>* mons = monitors();
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  GrowableArray<MonitorInfo*>* result = new GrowableArray<MonitorInfo*>(mons->length());
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  if (mons->is_empty()) return result;
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  bool found_first_monitor = false;
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  ObjectMonitor *pending_monitor = thread()->current_pending_monitor();
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  ObjectMonitor *waiting_monitor = thread()->current_waiting_monitor();
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  oop pending_obj = (pending_monitor != NULL ? (oop) pending_monitor->object() : (oop) NULL);
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  oop waiting_obj = (waiting_monitor != NULL ? (oop) waiting_monitor->object() : (oop) NULL);
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  for (int index = (mons->length()-1); index >= 0; index--) {
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    MonitorInfo* monitor = mons->at(index);
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    if (monitor->eliminated() && is_compiled_frame()) continue; // skip eliminated monitor
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    oop obj = monitor->owner();
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    if (obj == NULL) continue; // skip unowned monitor
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    //
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    // Skip the monitor that the thread is blocked to enter or waiting on
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    //
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    if (!found_first_monitor && (obj == pending_obj || obj == waiting_obj)) {
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      continue;
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    }
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    found_first_monitor = true;
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    result->append(monitor);
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  }
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  return result;
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}
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static void print_locked_object_class_name(outputStream* st, Handle obj, const char* lock_state) {
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  if (obj.not_null()) {
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    st->print("\t- %s <" INTPTR_FORMAT "> ", lock_state, (address)obj());
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    if (obj->klass() == SystemDictionary::Class_klass()) {
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      klassOop target_klass = java_lang_Class::as_klassOop(obj());
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      st->print_cr("(a java.lang.Class for %s)", instanceKlass::cast(target_klass)->external_name());
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    } else {
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      Klass* k = Klass::cast(obj->klass());
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      st->print_cr("(a %s)", k->external_name());
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    }
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  }
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}
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void javaVFrame::print_lock_info_on(outputStream* st, int frame_count) {
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  ResourceMark rm;
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  // If this is the first frame, and java.lang.Object.wait(...) then print out the receiver.
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  if (frame_count == 0) {
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    if (method()->name() == vmSymbols::wait_name() &&
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        instanceKlass::cast(method()->method_holder())->name() == vmSymbols::java_lang_Object()) {
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      StackValueCollection* locs = locals();
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      if (!locs->is_empty()) {
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        StackValue* sv = locs->at(0);
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        if (sv->type() == T_OBJECT) {
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          Handle o = locs->at(0)->get_obj();
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          print_locked_object_class_name(st, o, "waiting on");
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        }
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      }
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    } else if (thread()->current_park_blocker() != NULL) {
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      oop obj = thread()->current_park_blocker();
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      Klass* k = Klass::cast(obj->klass());
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      st->print_cr("\t- %s <" INTPTR_FORMAT "> (a %s)", "parking to wait for ", (address)obj, k->external_name());
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    }
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  }
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  // Print out all monitors that we have locked or are trying to lock
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  GrowableArray<MonitorInfo*>* mons = monitors();
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  if (!mons->is_empty()) {
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    bool found_first_monitor = false;
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    for (int index = (mons->length()-1); index >= 0; index--) {
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      MonitorInfo* monitor = mons->at(index);
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      if (monitor->eliminated() && is_compiled_frame()) { // Eliminated in compiled code
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        if (monitor->owner_is_scalar_replaced()) {
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          Klass* k = Klass::cast(monitor->owner_klass());
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          st->print("\t- eliminated <owner is scalar replaced> (a %s)", k->external_name());
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        } else {
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          oop obj = monitor->owner();
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          if (obj != NULL) {
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            print_locked_object_class_name(st, obj, "eliminated");
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          }
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        }
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        continue;
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      }
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      if (monitor->owner() != NULL) {
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        // First, assume we have the monitor locked. If we haven't found an
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        // owned monitor before and this is the first frame, then we need to
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        // see if we have completed the lock or we are blocked trying to
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        // acquire it - we can only be blocked if the monitor is inflated
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        const char *lock_state = "locked"; // assume we have the monitor locked
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        if (!found_first_monitor && frame_count == 0) {
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          markOop mark = monitor->owner()->mark();
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          if (mark->has_monitor() &&
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              mark->monitor() == thread()->current_pending_monitor()) {
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            lock_state = "waiting to lock";
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          }
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        }
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        found_first_monitor = true;
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        print_locked_object_class_name(st, monitor->owner(), lock_state);
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      }
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    }
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  }
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}
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// ------------- interpretedVFrame --------------
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u_char* interpretedVFrame::bcp() const {
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  return fr().interpreter_frame_bcp();
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}
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void interpretedVFrame::set_bcp(u_char* bcp) {
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  fr().interpreter_frame_set_bcp(bcp);
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}
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intptr_t* interpretedVFrame::locals_addr_at(int offset) const {
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  assert(fr().is_interpreted_frame(), "frame should be an interpreted frame");
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  return fr().interpreter_frame_local_at(offset);
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}
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GrowableArray<MonitorInfo*>* interpretedVFrame::monitors() const {
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  GrowableArray<MonitorInfo*>* result = new GrowableArray<MonitorInfo*>(5);
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  for (BasicObjectLock* current = (fr().previous_monitor_in_interpreter_frame(fr().interpreter_frame_monitor_begin()));
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       current >= fr().interpreter_frame_monitor_end();
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       current = fr().previous_monitor_in_interpreter_frame(current)) {
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    result->push(new MonitorInfo(current->obj(), current->lock(), false, false));
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  }
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  return result;
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}
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int interpretedVFrame::bci() const {
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  return method()->bci_from(bcp());
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}
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methodOop interpretedVFrame::method() const {
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  return fr().interpreter_frame_method();
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}
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StackValueCollection* interpretedVFrame::locals() const {
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  int length = method()->max_locals();
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  if (method()->is_native()) {
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    // If the method is native, max_locals is not telling the truth.
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    // maxlocals then equals the size of parameters
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    length = method()->size_of_parameters();
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  }
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  StackValueCollection* result = new StackValueCollection(length);
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  // Get oopmap describing oops and int for current bci
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  InterpreterOopMap oop_mask;
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  if (TraceDeoptimization && Verbose) {
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    methodHandle m_h(thread(), method());
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    OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask);
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  } else {
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    method()->mask_for(bci(), &oop_mask);
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  }
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  // handle locals
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  for(int i=0; i < length; i++) {
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    // Find stack location
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    intptr_t *addr = locals_addr_at(i);
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    // Depending on oop/int put it in the right package
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    StackValue *sv;
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    if (oop_mask.is_oop(i)) {
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      // oop value
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      Handle h(*(oop *)addr);
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      sv = new StackValue(h);
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    } else {
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      // integer
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      sv = new StackValue(*addr);
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    }
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    assert(sv != NULL, "sanity check");
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    result->add(sv);
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  }
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  return result;
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}
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void interpretedVFrame::set_locals(StackValueCollection* values) const {
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  if (values == NULL || values->size() == 0) return;
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  int length = method()->max_locals();
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  if (method()->is_native()) {
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    // If the method is native, max_locals is not telling the truth.
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    // maxlocals then equals the size of parameters
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    length = method()->size_of_parameters();
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  }
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  assert(length == values->size(), "Mismatch between actual stack format and supplied data");
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  // handle locals
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  for (int i = 0; i < length; i++) {
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    // Find stack location
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    intptr_t *addr = locals_addr_at(i);
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    // Depending on oop/int put it in the right package
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    StackValue *sv = values->at(i);
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    assert(sv != NULL, "sanity check");
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    if (sv->type() == T_OBJECT) {
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      *(oop *) addr = (sv->get_obj())();
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    } else {                   // integer
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      *addr = sv->get_int();
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    }
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  }
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}
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   323
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StackValueCollection*  interpretedVFrame::expressions() const {
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   325
  int length = fr().interpreter_frame_expression_stack_size();
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  if (method()->is_native()) {
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    // If the method is native, there is no expression stack
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    length = 0;
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  }
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   330
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  int nof_locals = method()->max_locals();
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  StackValueCollection* result = new StackValueCollection(length);
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   333
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  InterpreterOopMap oop_mask;
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  // Get oopmap describing oops and int for current bci
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  if (TraceDeoptimization && Verbose) {
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   337
    methodHandle m_h(method());
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    OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask);
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  } else {
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    method()->mask_for(bci(), &oop_mask);
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  }
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  // handle expressions
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  for(int i=0; i < length; i++) {
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    // Find stack location
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    intptr_t *addr = fr().interpreter_frame_expression_stack_at(i);
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    // Depending on oop/int put it in the right package
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    StackValue *sv;
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    if (oop_mask.is_oop(i + nof_locals)) {
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      // oop value
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      Handle h(*(oop *)addr);
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      sv = new StackValue(h);
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   353
    } else {
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      // integer
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      sv = new StackValue(*addr);
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    }
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    assert(sv != NULL, "sanity check");
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    result->add(sv);
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  }
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  return result;
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}
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// ------------- cChunk --------------
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   366
entryVFrame::entryVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   367
: externalVFrame(fr, reg_map, thread) {}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   368
489c9b5090e2 Initial load
duke
parents:
diff changeset
   369
489c9b5090e2 Initial load
duke
parents:
diff changeset
   370
void vframeStreamCommon::found_bad_method_frame() {
489c9b5090e2 Initial load
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parents:
diff changeset
   371
  // 6379830 Cut point for an assertion that occasionally fires when
489c9b5090e2 Initial load
duke
parents:
diff changeset
   372
  // we are using the performance analyzer.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   373
  // Disable this assert when testing the analyzer with fastdebug.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
  // -XX:SuppressErrorAt=vframe.cpp:XXX (XXX=following line number)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   375
  assert(false, "invalid bci or invalid scope desc");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   377
489c9b5090e2 Initial load
duke
parents:
diff changeset
   378
// top-frame will be skipped
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
vframeStream::vframeStream(JavaThread* thread, frame top_frame,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
  bool stop_at_java_call_stub) : vframeStreamCommon(thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
  _stop_at_java_call_stub = stop_at_java_call_stub;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   382
489c9b5090e2 Initial load
duke
parents:
diff changeset
   383
  // skip top frame, as it may not be at safepoint
489c9b5090e2 Initial load
duke
parents:
diff changeset
   384
  _frame  = top_frame.sender(&_reg_map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
  while (!fill_from_frame()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
    _frame = _frame.sender(&_reg_map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
// Step back n frames, skip any pseudo frames in between.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
// This function is used in Class.forName, Class.newInstance, Method.Invoke,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
// AccessController.doPrivileged.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
// NOTE that in JDK 1.4 this has been exposed to Java as
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
// sun.reflect.Reflection.getCallerClass(), which can be inlined.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
// Inlined versions must match this routine's logic.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
// Native method prefixing logic does not need to match since
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
// the method names don't match and inlining will not occur.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
// See, for example,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
// Parse::inline_native_Reflection_getCallerClass in
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
// opto/library_call.cpp.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
void vframeStreamCommon::security_get_caller_frame(int depth) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
  bool use_new_reflection = JDK_Version::is_gte_jdk14x_version() && UseNewReflection;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
  while (!at_end()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
    if (Universe::reflect_invoke_cache()->is_same_method(method())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
      // This is Method.invoke() -- skip it
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
    } else if (use_new_reflection &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
              Klass::cast(method()->method_holder())
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 3261
diff changeset
   411
                 ->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass())) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
      // This is an auxilary frame -- skip it
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 8921
diff changeset
   413
    } else if (method()->is_method_handle_intrinsic() ||
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 8921
diff changeset
   414
               method()->is_compiled_lambda_form()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 8921
diff changeset
   415
      // This is an internal adapter frame for method handles -- skip it
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
      // This is non-excluded frame, we need to count it against the depth
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
      if (depth-- <= 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
        // we have reached the desired depth, we are done
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
    if (method()->is_prefixed_native()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
      skip_prefixed_method_and_wrappers();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
      next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
void vframeStreamCommon::skip_prefixed_method_and_wrappers() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
  ResourceMark rm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
  HandleMark hm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
  int    method_prefix_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
  char** method_prefixes = JvmtiExport::get_all_native_method_prefixes(&method_prefix_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
  KlassHandle prefixed_klass(method()->method_holder());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
  const char* prefixed_name = method()->name()->as_C_string();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
  size_t prefixed_name_len = strlen(prefixed_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
  int prefix_index = method_prefix_count-1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
  while (!at_end()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
    next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
    if (method()->method_holder() != prefixed_klass()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
      break; // classes don't match, can't be a wrapper
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
    const char* name = method()->name()->as_C_string();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
    size_t name_len = strlen(name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
    size_t prefix_len = prefixed_name_len - name_len;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
    if (prefix_len <= 0 || strcmp(name, prefixed_name + prefix_len) != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
      break; // prefixed name isn't prefixed version of method name, can't be a wrapper
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
    for (; prefix_index >= 0; --prefix_index) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
      const char* possible_prefix = method_prefixes[prefix_index];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
      size_t possible_prefix_len = strlen(possible_prefix);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
      if (possible_prefix_len == prefix_len &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
          strncmp(possible_prefix, prefixed_name, prefix_len) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
        break; // matching prefix found
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
    if (prefix_index < 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
      break; // didn't find the prefix, can't be a wrapper
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
    prefixed_name = name;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
    prefixed_name_len = name_len;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
489c9b5090e2 Initial load
duke
parents:
diff changeset
   471
void vframeStreamCommon::skip_reflection_related_frames() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
  while (!at_end() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
         (JDK_Version::is_gte_jdk14x_version() && UseNewReflection &&
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 3261
diff changeset
   474
          (Klass::cast(method()->method_holder())->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass()) ||
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 3261
diff changeset
   475
           Klass::cast(method()->method_holder())->is_subclass_of(SystemDictionary::reflect_ConstructorAccessorImpl_klass())))) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
    next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
void vframe::print() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
  if (WizardMode) _fr.print_value_on(tty,NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
void vframe::print_value() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
  ((vframe*)this)->print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
void entryVFrame::print_value() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
  ((entryVFrame*)this)->print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
void entryVFrame::print() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
  vframe::print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
  tty->print_cr("C Chunk inbetween Java");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
  tty->print_cr("C     link " INTPTR_FORMAT, _fr.link());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
// ------------- javaVFrame --------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
static void print_stack_values(const char* title, StackValueCollection* values) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
  if (values->is_empty()) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
  tty->print_cr("\t%s:", title);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
  values->print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   509
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
void javaVFrame::print() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
  ResourceMark rm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
  vframe::print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
  tty->print("\t");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
  method()->print_value();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   518
  tty->print_cr("\tbci:    %d", bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
  print_stack_values("locals",      locals());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
  print_stack_values("expressions", expressions());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
489c9b5090e2 Initial load
duke
parents:
diff changeset
   523
  GrowableArray<MonitorInfo*>* list = monitors();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
  if (list->is_empty()) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   525
  tty->print_cr("\tmonitor list:");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   526
  for (int index = (list->length()-1); index >= 0; index--) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   527
    MonitorInfo* monitor = list->at(index);
3171
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   528
    tty->print("\t  obj\t");
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   529
    if (monitor->owner_is_scalar_replaced()) {
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   530
      Klass* k = Klass::cast(monitor->owner_klass());
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   531
      tty->print("( is scalar replaced %s)", k->external_name());
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   532
    } else if (monitor->owner() == NULL) {
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   533
      tty->print("( null )");
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   534
    } else {
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   535
      monitor->owner()->print_value();
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   536
      tty->print("(" INTPTR_FORMAT ")", (address)monitor->owner());
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   537
    }
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   538
    if (monitor->eliminated() && is_compiled_frame())
aa289b22b577 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents: 2880
diff changeset
   539
      tty->print(" ( lock is eliminated )");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   540
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
    tty->print("\t  ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   542
    monitor->lock()->print_on(tty);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   543
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   544
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   545
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   546
489c9b5090e2 Initial load
duke
parents:
diff changeset
   547
489c9b5090e2 Initial load
duke
parents:
diff changeset
   548
void javaVFrame::print_value() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   549
  methodOop  m = method();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
  klassOop   k = m->method_holder();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
  tty->print_cr("frame( sp=" INTPTR_FORMAT ", unextended_sp=" INTPTR_FORMAT ", fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT ")",
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
                _fr.sp(),  _fr.unextended_sp(), _fr.fp(), _fr.pc());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
  tty->print("%s.%s", Klass::cast(k)->internal_name(), m->name()->as_C_string());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
  if (!m->is_native()) {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7397
diff changeset
   556
    Symbol*  source_name = instanceKlass::cast(k)->source_file_name();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
    int        line_number = m->line_number_from_bci(bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   558
    if (source_name != NULL && (line_number != -1)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   559
      tty->print("(%s:%d)", source_name->as_C_string(), line_number);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   561
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   562
    tty->print("(Native Method)");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   563
  }
489c9b5090e2 Initial load
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parents:
diff changeset
   564
  // Check frame size and print warning if it looks suspiciously large
489c9b5090e2 Initial load
duke
parents:
diff changeset
   565
  if (fr().sp() != NULL) {
2880
c2974244a496 6848466: frame::frame_size() assertion failure with -XX:+DebugDeoptimization
cfang
parents: 670
diff changeset
   566
    RegisterMap map = *register_map();
c2974244a496 6848466: frame::frame_size() assertion failure with -XX:+DebugDeoptimization
cfang
parents: 670
diff changeset
   567
    uint size = fr().frame_size(&map);
1
489c9b5090e2 Initial load
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parents:
diff changeset
   568
#ifdef _LP64
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
    if (size > 8*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   570
#else
489c9b5090e2 Initial load
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parents:
diff changeset
   571
    if (size > 4*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size);
489c9b5090e2 Initial load
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parents:
diff changeset
   572
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   574
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
489c9b5090e2 Initial load
duke
parents:
diff changeset
   576
489c9b5090e2 Initial load
duke
parents:
diff changeset
   577
bool javaVFrame::structural_compare(javaVFrame* other) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   578
  // Check static part
489c9b5090e2 Initial load
duke
parents:
diff changeset
   579
  if (method() != other->method()) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   580
  if (bci()    != other->bci())    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
  // Check locals
489c9b5090e2 Initial load
duke
parents:
diff changeset
   583
  StackValueCollection *locs = locals();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   584
  StackValueCollection *other_locs = other->locals();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   585
  assert(locs->size() == other_locs->size(), "sanity check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
  int i;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   587
  for(i = 0; i < locs->size(); i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   588
    // it might happen the compiler reports a conflict and
489c9b5090e2 Initial load
duke
parents:
diff changeset
   589
    // the interpreter reports a bogus int.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
    if (       is_compiled_frame() &&       locs->at(i)->type() == T_CONFLICT) continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
    if (other->is_compiled_frame() && other_locs->at(i)->type() == T_CONFLICT) continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
489c9b5090e2 Initial load
duke
parents:
diff changeset
   593
    if (!locs->at(i)->equal(other_locs->at(i)))
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
      return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
  // Check expressions
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
  StackValueCollection* exprs = expressions();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
  StackValueCollection* other_exprs = other->expressions();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   600
  assert(exprs->size() == other_exprs->size(), "sanity check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
  for(i = 0; i < exprs->size(); i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   602
    if (!exprs->at(i)->equal(other_exprs->at(i)))
489c9b5090e2 Initial load
duke
parents:
diff changeset
   603
      return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   604
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
489c9b5090e2 Initial load
duke
parents:
diff changeset
   606
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   607
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   608
489c9b5090e2 Initial load
duke
parents:
diff changeset
   609
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
void javaVFrame::print_activation(int index) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
  // frame number and method
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
  tty->print("%2d - ", index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
  ((vframe*)this)->print_value();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   615
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
  if (WizardMode) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
    ((vframe*)this)->print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   618
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   619
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   620
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   621
489c9b5090e2 Initial load
duke
parents:
diff changeset
   622
489c9b5090e2 Initial load
duke
parents:
diff changeset
   623
void javaVFrame::verify() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   624
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   625
489c9b5090e2 Initial load
duke
parents:
diff changeset
   626
489c9b5090e2 Initial load
duke
parents:
diff changeset
   627
void interpretedVFrame::verify() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   628
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   629
489c9b5090e2 Initial load
duke
parents:
diff changeset
   630
489c9b5090e2 Initial load
duke
parents:
diff changeset
   631
// ------------- externalVFrame --------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   632
489c9b5090e2 Initial load
duke
parents:
diff changeset
   633
void externalVFrame::print() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   634
  _fr.print_value_on(tty,NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   635
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   636
489c9b5090e2 Initial load
duke
parents:
diff changeset
   637
489c9b5090e2 Initial load
duke
parents:
diff changeset
   638
void externalVFrame::print_value() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   639
  ((vframe*)this)->print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   640
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   641
#endif // PRODUCT